diff --git a/lib/libesp32/ESP32-HomeKit/.gitattributes b/lib/libesp32_div/ESP32-HomeKit/.gitattributes
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diff --git a/lib/libesp32/ESP32-HomeKit/LICENSE b/lib/libesp32_div/ESP32-HomeKit/LICENSE
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diff --git a/lib/libesp32/ESP32-HomeKit/README.md b/lib/libesp32_div/ESP32-HomeKit/README.md
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diff --git a/lib/libesp32/ESP32-HomeKit/SerialLog.txt b/lib/libesp32_div/ESP32-HomeKit/SerialLog.txt
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diff --git a/lib/libesp32/ESP32-HomeKit/examples/HomeKit_IDF/HomeKit_IDF.ino b/lib/libesp32_div/ESP32-HomeKit/examples/HomeKit_IDF/HomeKit_IDF.ino
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diff --git a/lib/libesp32/ESP32-HomeKit/examples/HomeKit_IDF/homekit_main.c b/lib/libesp32_div/ESP32-HomeKit/examples/HomeKit_IDF/homekit_main.c
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diff --git a/lib/libesp32/ESP32-HomeKit/examples/HomeKit_IDF/wifi_info.h b/lib/libesp32_div/ESP32-HomeKit/examples/HomeKit_IDF/wifi_info.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/_esp_hap_config.h b/lib/libesp32_div/ESP32-HomeKit/src/_esp_hap_config.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/base36.h b/lib/libesp32_div/ESP32-HomeKit/src/base36.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/byte_convert.c b/lib/libesp32_div/ESP32-HomeKit/src/byte_convert.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_acc.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_acc.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_acc.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_acc.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_bct.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_bct.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_bct_priv.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_bct_priv.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_char.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_char.c
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rename to lib/libesp32_div/ESP32-HomeKit/src/esp_hap_char.c
diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_char.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_char.h
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rename to lib/libesp32_div/ESP32-HomeKit/src/esp_hap_char.h
diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_controllers.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_controllers.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_controllers.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_controllers.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_database.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_database.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_database.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_database.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_ip_services.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_ip_services.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_ip_services.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_ip_services.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_keystore.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_keystore.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_keystore.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_keystore.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_main.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_main.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_main.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_main.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_mdns.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_mdns.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_mdns.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_mdns.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_network_io.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_network_io.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_network_io.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_network_io.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_pair_common.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_pair_common.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_pair_common.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_pair_common.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_pair_setup.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_pair_setup.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_pair_setup.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_pair_setup.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_pair_verify.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_pair_verify.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_pair_verify.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_pair_verify.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_pairings.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_pairings.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_pairings.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_pairings.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_secure_message.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_secure_message.h
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rename to lib/libesp32_div/ESP32-HomeKit/src/esp_hap_secure_message.h
diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_serv.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_serv.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_serv.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_serv.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_setup_payload.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_setup_payload.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_wac.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_wac.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_wifi.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_wifi.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_hap_wifi.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_hap_wifi.h
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rename to lib/libesp32_div/ESP32-HomeKit/src/esp_hap_wifi.h
diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_mfi_aes.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_aes.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_mfi_aes.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_aes.h
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rename to lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_aes.h
diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_mfi_base64.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_base64.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_mfi_base64.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_base64.h
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rename to lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_base64.h
diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_mfi_debug.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_debug.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_mfi_debug.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_debug.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_mfi_dummy.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_dummy.c
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rename to lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_dummy.c
diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_mfi_i2c.c.0 b/lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_i2c.c.0
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_mfi_i2c.h.0 b/lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_i2c.h.0
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rename to lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_i2c.h.0
diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_mfi_rand.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_rand.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_mfi_rand.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_rand.h
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rename to lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_rand.h
diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_mfi_sha.c b/lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_sha.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/esp_mfi_sha.h b/lib/libesp32_div/ESP32-HomeKit/src/esp_mfi_sha.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/hap.h b/lib/libesp32_div/ESP32-HomeKit/src/hap.h
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rename to lib/libesp32_div/ESP32-HomeKit/src/hap.h
diff --git a/lib/libesp32/ESP32-HomeKit/src/hap_apple_chars.c b/lib/libesp32_div/ESP32-HomeKit/src/hap_apple_chars.c
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rename to lib/libesp32_div/ESP32-HomeKit/src/hap_apple_chars.c
diff --git a/lib/libesp32/ESP32-HomeKit/src/hap_apple_chars.h b/lib/libesp32_div/ESP32-HomeKit/src/hap_apple_chars.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/hap_platform_memory.c b/lib/libesp32_div/ESP32-HomeKit/src/hap_platform_memory.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/hap_platform_os.c b/lib/libesp32_div/ESP32-HomeKit/src/hap_platform_os.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/hap_wac.h b/lib/libesp32_div/ESP32-HomeKit/src/hap_wac.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/hexbin.c b/lib/libesp32_div/ESP32-HomeKit/src/hexbin.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/hkdf-sha.h b/lib/libesp32_div/ESP32-HomeKit/src/hkdf-sha.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/jsmn/jsmn.h b/lib/libesp32_div/ESP32-HomeKit/src/jsmn/jsmn.h
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diff --git a/lib/libesp32/ESP32-HomeKit/src/json_generator.c b/lib/libesp32_div/ESP32-HomeKit/src/json_generator.c
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diff --git a/lib/libesp32/ESP32-HomeKit/src/port/esp_bignum.c b/lib/libesp32_div/ESP32-HomeKit/src/port/esp_bignum.c
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diff --git a/lib/libesp32/NimBLE-Arduino/CHANGELOG.md b/lib/libesp32_div/NimBLE-Arduino/CHANGELOG.md
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/BLE_EddystoneTLM_Beacon/BLE_EddystoneTLM_Beacon.ino b/lib/libesp32_div/NimBLE-Arduino/examples/BLE_EddystoneTLM_Beacon/BLE_EddystoneTLM_Beacon.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/BLE_EddystoneURL_Beacon/BLE_EddystoneURL_Beacon.ino b/lib/libesp32_div/NimBLE-Arduino/examples/BLE_EddystoneURL_Beacon/BLE_EddystoneURL_Beacon.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/NimBLE_Client/NimBLE_Client.ino b/lib/libesp32_div/NimBLE-Arduino/examples/NimBLE_Client/NimBLE_Client.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/NimBLE_Scan_Continuous/NimBLE_Scan_Continuous.ino b/lib/libesp32_div/NimBLE-Arduino/examples/NimBLE_Scan_Continuous/NimBLE_Scan_Continuous.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/NimBLE_Secure_Client/NimBLE_Secure_Client.ino b/lib/libesp32_div/NimBLE-Arduino/examples/NimBLE_Secure_Client/NimBLE_Secure_Client.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/NimBLE_Secure_Server/NimBLE_Secure_Server.ino b/lib/libesp32_div/NimBLE-Arduino/examples/NimBLE_Secure_Server/NimBLE_Secure_Server.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/NimBLE_Server/NimBLE_Server.ino b/lib/libesp32_div/NimBLE-Arduino/examples/NimBLE_Server/NimBLE_Server.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/NimBLE_Service_Data_Advertiser/NimBLE_Service_Data_Advertiser.ino b/lib/libesp32_div/NimBLE-Arduino/examples/NimBLE_Service_Data_Advertiser/NimBLE_Service_Data_Advertiser.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/Refactored_original_examples/BLE_client/BLE_client.ino b/lib/libesp32_div/NimBLE-Arduino/examples/Refactored_original_examples/BLE_client/BLE_client.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/Refactored_original_examples/BLE_iBeacon/BLE_iBeacon.ino b/lib/libesp32_div/NimBLE-Arduino/examples/Refactored_original_examples/BLE_iBeacon/BLE_iBeacon.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/Refactored_original_examples/BLE_notify/BLE_notify.ino b/lib/libesp32_div/NimBLE-Arduino/examples/Refactored_original_examples/BLE_notify/BLE_notify.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/Refactored_original_examples/BLE_scan/BLE_scan.ino b/lib/libesp32_div/NimBLE-Arduino/examples/Refactored_original_examples/BLE_scan/BLE_scan.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/Refactored_original_examples/BLE_server/BLE_server.ino b/lib/libesp32_div/NimBLE-Arduino/examples/Refactored_original_examples/BLE_server/BLE_server.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/Refactored_original_examples/BLE_server_multiconnect/BLE_server_multiconnect.ino b/lib/libesp32_div/NimBLE-Arduino/examples/Refactored_original_examples/BLE_server_multiconnect/BLE_server_multiconnect.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/Refactored_original_examples/BLE_uart/BLE_uart.ino b/lib/libesp32_div/NimBLE-Arduino/examples/Refactored_original_examples/BLE_uart/BLE_uart.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/examples/Refactored_original_examples/BLE_write/BLE_write.ino b/lib/libesp32_div/NimBLE-Arduino/examples/Refactored_original_examples/BLE_write/BLE_write.ino
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diff --git a/lib/libesp32/NimBLE-Arduino/library.json b/lib/libesp32_div/NimBLE-Arduino/library.json
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diff --git a/lib/libesp32/NimBLE-Arduino/src/NimBLECharacteristic.cpp b/lib/libesp32_div/NimBLE-Arduino/src/NimBLECharacteristic.cpp
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diff --git a/lib/libesp32/NimBLE-Arduino/src/NimBLEClient.cpp b/lib/libesp32_div/NimBLE-Arduino/src/NimBLEClient.cpp
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diff --git a/lib/libesp32/NimBLE-Arduino/src/NimBLEDevice.cpp b/lib/libesp32_div/NimBLE-Arduino/src/NimBLEDevice.cpp
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diff --git a/lib/libesp32/NimBLE-Arduino/src/NimBLEEddystoneTLM.cpp b/lib/libesp32_div/NimBLE-Arduino/src/NimBLEEddystoneTLM.cpp
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diff --git a/lib/libesp32/NimBLE-Arduino/src/NimBLEEddystoneTLM.h b/lib/libesp32_div/NimBLE-Arduino/src/NimBLEEddystoneTLM.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/NimBLEEddystoneURL.cpp b/lib/libesp32_div/NimBLE-Arduino/src/NimBLEEddystoneURL.cpp
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diff --git a/lib/libesp32/NimBLE-Arduino/src/NimBLEEddystoneURL.h b/lib/libesp32_div/NimBLE-Arduino/src/NimBLEEddystoneURL.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/NimBLEHIDDevice.cpp b/lib/libesp32_div/NimBLE-Arduino/src/NimBLEHIDDevice.cpp
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diff --git a/lib/libesp32/NimBLE-Arduino/src/NimBLELog.h b/lib/libesp32_div/NimBLE-Arduino/src/NimBLELog.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/NimBLERemoteCharacteristic.cpp b/lib/libesp32_div/NimBLE-Arduino/src/NimBLERemoteCharacteristic.cpp
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diff --git a/lib/libesp32/NimBLE-Arduino/src/NimBLERemoteDescriptor.cpp b/lib/libesp32_div/NimBLE-Arduino/src/NimBLERemoteDescriptor.cpp
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diff --git a/lib/libesp32/NimBLE-Arduino/src/NimBLERemoteService.cpp b/lib/libesp32_div/NimBLE-Arduino/src/NimBLERemoteService.cpp
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diff --git a/lib/libesp32/NimBLE-Arduino/src/README.md b/lib/libesp32_div/NimBLE-Arduino/src/README.md
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diff --git a/lib/libesp32/NimBLE-Arduino/src/esp-hci/src/esp_nimble_hci.c b/lib/libesp32_div/NimBLE-Arduino/src/esp-hci/src/esp_nimble_hci.c
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diff --git a/lib/libesp32/NimBLE-Arduino/src/esp_compiler.h b/lib/libesp32_div/NimBLE-Arduino/src/esp_compiler.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/esp_nimble_mem.h b/lib/libesp32_div/NimBLE-Arduino/src/esp_nimble_mem.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/AUTHORS b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/AUTHORS
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rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/LICENSE
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/LICENSE
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/README b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/README
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/README
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/README
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/VERSION b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/VERSION
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/VERSION
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/VERSION
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/documentation/tinycrypt.rst b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/documentation/tinycrypt.rst
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rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/documentation/tinycrypt.rst
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/documentation/tinycrypt.rst
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/aes_decrypt.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/aes_decrypt.c
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rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/aes_decrypt.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/aes_encrypt.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/aes_encrypt.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/aes_encrypt.c
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/aes_encrypt.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/cbc_mode.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/cbc_mode.c
similarity index 100%
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rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/cbc_mode.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/ccm_mode.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/ccm_mode.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/ccm_mode.c
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/ccm_mode.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/cmac_mode.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/cmac_mode.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/cmac_mode.c
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/cmac_mode.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/ctr_mode.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/ctr_mode.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/ctr_mode.c
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/ctr_mode.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/ctr_prng.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/ctr_prng.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/ctr_prng.c
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/ctr_prng.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/ecc.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/ecc.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/ecc.c
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/ecc.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/ecc_dh.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/ecc_dh.c
similarity index 100%
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rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/ecc_dh.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/ecc_dsa.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/ecc_dsa.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/ecc_dsa.c
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/ecc_dsa.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/ecc_platform_specific.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/ecc_platform_specific.c
similarity index 100%
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rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/ecc_platform_specific.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/hmac.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/hmac.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/hmac.c
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/hmac.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/hmac_prng.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/hmac_prng.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/hmac_prng.c
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/hmac_prng.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/sha256.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/sha256.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/sha256.c
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/sha256.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/utils.c b/lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/utils.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/ext/tinycrypt/src/utils.c
rename to lib/libesp32_div/NimBLE-Arduino/src/ext/tinycrypt/src/utils.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/hal/hal_timer.h b/lib/libesp32_div/NimBLE-Arduino/src/hal/hal_timer.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/hal/hal_timer.h
rename to lib/libesp32_div/NimBLE-Arduino/src/hal/hal_timer.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_att.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_att.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/host/ble_att.h
rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_att.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_eddystone.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_eddystone.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/host/ble_eddystone.h
rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_eddystone.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_gap.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_gap.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/host/ble_gap.h
rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_gap.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_gatt.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_gatt.h
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rename from lib/libesp32/NimBLE-Arduino/src/host/ble_gatt.h
rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_gatt.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_hs.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/host/ble_hs.h
rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_hs_adv.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs_adv.h
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rename from lib/libesp32/NimBLE-Arduino/src/host/ble_hs_adv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs_adv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_hs_hci.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs_hci.h
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rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs_hci.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_hs_id.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs_id.h
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rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs_id.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_hs_log.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs_log.h
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rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs_log.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_hs_mbuf.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs_mbuf.h
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rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs_mbuf.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_hs_pvcy.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs_pvcy.h
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rename from lib/libesp32/NimBLE-Arduino/src/host/ble_hs_pvcy.h
rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs_pvcy.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_hs_stop.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs_stop.h
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rename from lib/libesp32/NimBLE-Arduino/src/host/ble_hs_stop.h
rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_hs_stop.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_ibeacon.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_ibeacon.h
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rename from lib/libesp32/NimBLE-Arduino/src/host/ble_ibeacon.h
rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_ibeacon.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_l2cap.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_l2cap.h
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rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_l2cap.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_monitor.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_monitor.h
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rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_monitor.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_sm.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_sm.h
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rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_sm.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_store.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_store.h
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rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_store.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/ble_uuid.h b/lib/libesp32_div/NimBLE-Arduino/src/host/ble_uuid.h
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rename to lib/libesp32_div/NimBLE-Arduino/src/host/ble_uuid.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/host/util/util.h b/lib/libesp32_div/NimBLE-Arduino/src/host/util/util.h
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rename to lib/libesp32_div/NimBLE-Arduino/src/host/util/util.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/log/log.h b/lib/libesp32_div/NimBLE-Arduino/src/log/log.h
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rename to lib/libesp32_div/NimBLE-Arduino/src/mem/mem.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/mesh/access.h b/lib/libesp32_div/NimBLE-Arduino/src/mesh/access.h
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rename to lib/libesp32_div/NimBLE-Arduino/src/mesh/access.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/mesh/cfg_cli.h b/lib/libesp32_div/NimBLE-Arduino/src/mesh/cfg_cli.h
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rename to lib/libesp32_div/NimBLE-Arduino/src/mesh/cfg_cli.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/mesh/cfg_srv.h b/lib/libesp32_div/NimBLE-Arduino/src/mesh/cfg_srv.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/mesh/glue.h b/lib/libesp32_div/NimBLE-Arduino/src/mesh/glue.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/mesh/health_cli.h b/lib/libesp32_div/NimBLE-Arduino/src/mesh/health_cli.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/mesh/main.h b/lib/libesp32_div/NimBLE-Arduino/src/mesh/main.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/mesh/mesh.h b/lib/libesp32_div/NimBLE-Arduino/src/mesh/mesh.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/mesh/model_srv.h b/lib/libesp32_div/NimBLE-Arduino/src/mesh/model_srv.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/mesh/porting.h b/lib/libesp32_div/NimBLE-Arduino/src/mesh/porting.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/mesh/proxy.h b/lib/libesp32_div/NimBLE-Arduino/src/mesh/proxy.h
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rename to lib/libesp32_div/NimBLE-Arduino/src/mesh/proxy.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/mesh/slist.h b/lib/libesp32_div/NimBLE-Arduino/src/mesh/slist.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/mesh/testing.h b/lib/libesp32_div/NimBLE-Arduino/src/mesh/testing.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/modlog/modlog.h b/lib/libesp32_div/NimBLE-Arduino/src/modlog/modlog.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/ble.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/ble.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/ble_hci_trans.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/ble_hci_trans.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/hci_common.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/hci_common.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/access.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/access.c
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diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/access.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/access.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/adv.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/adv.c
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diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/adv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/adv.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/atomic.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/atomic.h
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diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/beacon.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/beacon.c
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rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/beacon.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/beacon.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/beacon.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/beacon.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/beacon.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/beacon.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/ble_att_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/ble_att_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/ble_att_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/ble_att_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/ble_gatt_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/ble_gatt_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/ble_gatt_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/ble_gatt_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/ble_hs_conn_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/ble_hs_conn_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/ble_hs_conn_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/ble_hs_conn_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/ble_l2cap_coc_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/ble_l2cap_coc_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/ble_l2cap_coc_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/ble_l2cap_coc_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/ble_l2cap_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/ble_l2cap_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/ble_l2cap_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/ble_l2cap_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/ble_l2cap_sig_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/ble_l2cap_sig_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/ble_l2cap_sig_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/ble_l2cap_sig_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/cfg_cli.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/cfg_cli.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/cfg_cli.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/cfg_cli.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/cfg_srv.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/cfg_srv.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/cfg_srv.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/cfg_srv.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/crypto.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/crypto.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/crypto.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/crypto.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/crypto.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/crypto.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/crypto.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/crypto.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/foundation.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/foundation.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/foundation.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/foundation.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/friend.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/friend.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/friend.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/friend.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/friend.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/friend.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/friend.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/friend.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/glue.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/glue.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/glue.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/glue.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/health_cli.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/health_cli.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/health_cli.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/health_cli.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/health_srv.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/health_srv.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/health_srv.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/health_srv.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/light_model.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/light_model.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/light_model.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/light_model.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/light_model.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/light_model.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/light_model.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/light_model.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/lpn.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/lpn.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/lpn.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/lpn.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/lpn.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/lpn.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/lpn.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/lpn.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/mesh.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/mesh.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/mesh.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/mesh.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/mesh_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/mesh_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/mesh_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/mesh_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/model_cli.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/model_cli.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/model_cli.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/model_cli.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/model_srv.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/model_srv.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/model_srv.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/model_srv.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/net.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/net.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/net.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/net.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/net.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/net.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/net.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/net.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/prov.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/prov.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/prov.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/prov.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/prov.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/prov.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/prov.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/prov.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/proxy.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/proxy.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/proxy.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/proxy.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/proxy.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/proxy.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/proxy.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/proxy.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/settings.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/settings.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/settings.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/settings.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/settings.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/settings.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/settings.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/settings.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/shell.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/shell.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/shell.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/shell.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/shell.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/shell.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/shell.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/shell.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_att_cmd_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_att_cmd_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_att_cmd_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_att_cmd_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_att_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_att_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_att_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_att_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_gap_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_gap_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_gap_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_gap_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_gatt_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_gatt_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_gatt_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_gatt_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_adv_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_adv_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_adv_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_adv_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_atomic_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_atomic_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_atomic_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_atomic_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_conn_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_conn_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_conn_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_conn_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_dbg_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_dbg_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_dbg_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_dbg_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_flow_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_flow_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_flow_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_flow_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_hci_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_hci_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_hci_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_hci_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_id_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_id_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_id_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_id_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_mbuf_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_mbuf_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_mbuf_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_mbuf_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_periodic_sync_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_periodic_sync_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_periodic_sync_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_periodic_sync_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_pvcy_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_pvcy_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_pvcy_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_pvcy_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_resolv_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_resolv_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_resolv_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_resolv_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_startup_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_startup_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_startup_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_hs_startup_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_l2cap_coc_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_l2cap_coc_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_l2cap_coc_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_l2cap_coc_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_l2cap_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_l2cap_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_l2cap_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_l2cap_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_l2cap_sig_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_l2cap_sig_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_l2cap_sig_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_l2cap_sig_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_monitor_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_monitor_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_monitor_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_monitor_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_sm_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_sm_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_sm_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_sm_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_uuid_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_uuid_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_uuid_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/src/ble_uuid_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/testing.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/testing.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/testing.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/testing.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/testing.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/testing.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/testing.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/testing.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/transport.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/transport.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/transport.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/transport.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/transport.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/transport.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/mesh/src/transport.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/mesh/src/transport.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/services/ans/src/ble_svc_ans.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/ans/src/ble_svc_ans.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/services/ans/src/ble_svc_ans.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/ans/src/ble_svc_ans.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/services/bas/src/ble_svc_bas.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/bas/src/ble_svc_bas.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/services/bas/src/ble_svc_bas.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/bas/src/ble_svc_bas.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/services/gap/src/ble_svc_gap.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/gap/src/ble_svc_gap.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/services/gap/src/ble_svc_gap.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/gap/src/ble_svc_gap.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/services/gatt/src/ble_svc_gatt.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/gatt/src/ble_svc_gatt.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/services/gatt/src/ble_svc_gatt.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/gatt/src/ble_svc_gatt.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/services/ias/src/ble_svc_ias.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/ias/src/ble_svc_ias.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/services/ias/src/ble_svc_ias.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/ias/src/ble_svc_ias.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/services/ipss/src/ble_svc_ipss.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/ipss/src/ble_svc_ipss.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/services/ipss/src/ble_svc_ipss.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/ipss/src/ble_svc_ipss.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/services/lls/src/ble_svc_lls.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/lls/src/ble_svc_lls.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/services/lls/src/ble_svc_lls.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/lls/src/ble_svc_lls.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/services/tps/src/ble_hs_hci_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/tps/src/ble_hs_hci_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/services/tps/src/ble_hs_hci_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/tps/src/ble_hs_hci_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/services/tps/src/ble_svc_tps.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/tps/src/ble_svc_tps.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/services/tps/src/ble_svc_tps.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/services/tps/src/ble_svc_tps.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_att.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_att.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_att.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_att.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_att_clt.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_att_clt.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_att_clt.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_att_clt.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_att_cmd.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_att_cmd.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_att_cmd.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_att_cmd.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_att_cmd_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_att_cmd_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_att_cmd_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_att_cmd_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_att_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_att_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_att_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_att_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_att_svr.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_att_svr.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_att_svr.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_att_svr.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_eddystone.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_eddystone.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_eddystone.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_eddystone.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_gap.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_gap.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_gap.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_gap.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_gap_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_gap_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_gap_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_gap_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_gatt_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_gatt_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_gatt_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_gatt_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_gattc.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_gattc.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_gattc.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_gattc.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_gatts.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_gatts.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_gatts.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_gatts.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_gatts_lcl.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_gatts_lcl.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_gatts_lcl.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_gatts_lcl.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_adv.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_adv.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_adv.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_adv.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_adv_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_adv_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_adv_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_adv_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_atomic.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_atomic.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_atomic.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_atomic.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_atomic_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_atomic_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_atomic_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_atomic_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_cfg.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_cfg.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_cfg.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_cfg.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_conn.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_conn.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_conn.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_conn.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_conn_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_conn_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_conn_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_conn_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_dbg.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_dbg.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_dbg.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_dbg.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_dbg_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_dbg_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_dbg_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_dbg_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_flow.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_flow.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_flow.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_flow.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_flow_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_flow_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_flow_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_flow_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_cmd.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_cmd.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_cmd.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_cmd.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_evt.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_evt.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_evt.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_evt.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_util.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_util.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_util.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_hci_util.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_id.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_id.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_id.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_id.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_id_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_id_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_id_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_id_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_log.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_log.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_log.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_log.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_mbuf.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_mbuf.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_mbuf.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_mbuf.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_mbuf_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_mbuf_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_mbuf_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_mbuf_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_misc.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_misc.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_misc.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_misc.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_mqueue.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_mqueue.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_mqueue.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_mqueue.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_periodic_sync.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_periodic_sync.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_periodic_sync.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_periodic_sync.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_periodic_sync_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_periodic_sync_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_periodic_sync_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_periodic_sync_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_pvcy.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_pvcy.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_pvcy.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_pvcy.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_pvcy_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_pvcy_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_pvcy_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_pvcy_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_resolv.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_resolv.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_resolv.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_resolv.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_resolv_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_resolv_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_resolv_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_resolv_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_shutdown.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_shutdown.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_shutdown.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_shutdown.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_startup.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_startup.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_startup.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_startup.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_startup_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_startup_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_startup_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_startup_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_stop.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_stop.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_hs_stop.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_hs_stop.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_ibeacon.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_ibeacon.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_ibeacon.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_ibeacon.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_l2cap.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_l2cap.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_l2cap.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_l2cap.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_coc.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_coc.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_coc.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_coc.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_coc_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_coc_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_coc_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_coc_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_sig.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_sig.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_sig.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_sig.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_sig_cmd.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_sig_cmd.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_sig_cmd.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_sig_cmd.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_sig_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_sig_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_sig_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_l2cap_sig_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_monitor.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_monitor.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_monitor.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_monitor.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_monitor_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_monitor_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_monitor_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_monitor_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_sm.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_sm.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_sm.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_sm.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_sm_alg.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_sm_alg.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_sm_alg.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_sm_alg.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_sm_cmd.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_sm_cmd.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_sm_cmd.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_sm_cmd.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_sm_lgcy.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_sm_lgcy.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_sm_lgcy.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_sm_lgcy.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_sm_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_sm_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_sm_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_sm_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_sm_sc.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_sm_sc.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_sm_sc.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_sm_sc.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_store.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_store.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_store.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_store.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_store_util.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_store_util.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_store_util.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_store_util.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_uuid.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_uuid.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_uuid.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_uuid.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_uuid_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_uuid_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/src/ble_uuid_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/src/ble_uuid_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/store/config/src/ble_store_config.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/store/config/src/ble_store_config.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/store/config/src/ble_store_config.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/store/config/src/ble_store_config.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/store/config/src/ble_store_config_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/store/config/src/ble_store_config_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/store/config/src/ble_store_config_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/store/config/src/ble_store_config_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/store/config/src/ble_store_nvs.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/store/config/src/ble_store_nvs.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/store/config/src/ble_store_nvs.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/store/config/src/ble_store_nvs.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/store/ram/src/ble_store_ram.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/store/ram/src/ble_store_ram.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/store/ram/src/ble_store_ram.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/store/ram/src/ble_store_ram.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/host/util/src/addr.c b/lib/libesp32_div/NimBLE-Arduino/src/nimble/host/util/src/addr.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/host/util/src/addr.c
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/host/util/src/addr.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/nimble_npl.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/nimble_npl.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/nimble_npl.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/nimble_npl.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/nimble_npl_os.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/nimble_npl_os.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/nimble_npl_os.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/nimble_npl_os.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/nimble_opt.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/nimble_opt.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/nimble_opt.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/nimble_opt.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/nimble_opt_auto.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/nimble_opt_auto.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/nimble_opt_auto.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/nimble_opt_auto.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/nimble_port.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/nimble_port.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/nimble_port.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/nimble_port.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/nimble_port_freertos.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/nimble_port_freertos.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/nimble_port_freertos.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/nimble_port_freertos.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimble/npl_freertos.h b/lib/libesp32_div/NimBLE-Arduino/src/nimble/npl_freertos.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimble/npl_freertos.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimble/npl_freertos.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimconfig.h b/lib/libesp32_div/NimBLE-Arduino/src/nimconfig.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimconfig.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimconfig.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/nimconfig_rename.h b/lib/libesp32_div/NimBLE-Arduino/src/nimconfig_rename.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/nimconfig_rename.h
rename to lib/libesp32_div/NimBLE-Arduino/src/nimconfig_rename.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/os/endian.h b/lib/libesp32_div/NimBLE-Arduino/src/os/endian.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/os/endian.h
rename to lib/libesp32_div/NimBLE-Arduino/src/os/endian.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/os/os.h b/lib/libesp32_div/NimBLE-Arduino/src/os/os.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/os/os.h
rename to lib/libesp32_div/NimBLE-Arduino/src/os/os.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/os/os_cputime.h b/lib/libesp32_div/NimBLE-Arduino/src/os/os_cputime.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/os/os_cputime.h
rename to lib/libesp32_div/NimBLE-Arduino/src/os/os_cputime.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/os/os_error.h b/lib/libesp32_div/NimBLE-Arduino/src/os/os_error.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/os/os_error.h
rename to lib/libesp32_div/NimBLE-Arduino/src/os/os_error.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/os/os_mbuf.h b/lib/libesp32_div/NimBLE-Arduino/src/os/os_mbuf.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/os/os_mbuf.h
rename to lib/libesp32_div/NimBLE-Arduino/src/os/os_mbuf.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/os/os_mempool.h b/lib/libesp32_div/NimBLE-Arduino/src/os/os_mempool.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/os/os_mempool.h
rename to lib/libesp32_div/NimBLE-Arduino/src/os/os_mempool.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/os/os_trace_api.h b/lib/libesp32_div/NimBLE-Arduino/src/os/os_trace_api.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/os/os_trace_api.h
rename to lib/libesp32_div/NimBLE-Arduino/src/os/os_trace_api.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/os/queue.h b/lib/libesp32_div/NimBLE-Arduino/src/os/queue.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/os/queue.h
rename to lib/libesp32_div/NimBLE-Arduino/src/os/queue.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/port/src/esp_nimble_mem.c b/lib/libesp32_div/NimBLE-Arduino/src/port/src/esp_nimble_mem.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/port/src/esp_nimble_mem.c
rename to lib/libesp32_div/NimBLE-Arduino/src/port/src/esp_nimble_mem.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/porting/nimble/include/nimble/nimble_port.h b/lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/include/nimble/nimble_port.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/porting/nimble/include/nimble/nimble_port.h
rename to lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/include/nimble/nimble_port.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/endian.c b/lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/endian.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/endian.c
rename to lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/endian.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/hal_timer.c b/lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/hal_timer.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/hal_timer.c
rename to lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/hal_timer.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/mem.c b/lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/mem.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/mem.c
rename to lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/mem.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/nimble_port.c b/lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/nimble_port.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/nimble_port.c
rename to lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/nimble_port.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/os_cputime.c b/lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/os_cputime.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/os_cputime.c
rename to lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/os_cputime.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/os_cputime_pwr2.c b/lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/os_cputime_pwr2.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/os_cputime_pwr2.c
rename to lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/os_cputime_pwr2.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/os_mbuf.c b/lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/os_mbuf.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/os_mbuf.c
rename to lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/os_mbuf.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/os_mempool.c b/lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/os_mempool.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/os_mempool.c
rename to lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/os_mempool.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/os_msys_init.c b/lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/os_msys_init.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/porting/nimble/src/os_msys_init.c
rename to lib/libesp32_div/NimBLE-Arduino/src/porting/nimble/src/os_msys_init.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/porting/npl/freertos/src/nimble_port_freertos.c b/lib/libesp32_div/NimBLE-Arduino/src/porting/npl/freertos/src/nimble_port_freertos.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/porting/npl/freertos/src/nimble_port_freertos.c
rename to lib/libesp32_div/NimBLE-Arduino/src/porting/npl/freertos/src/nimble_port_freertos.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/porting/npl/freertos/src/npl_os_freertos.c b/lib/libesp32_div/NimBLE-Arduino/src/porting/npl/freertos/src/npl_os_freertos.c
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/porting/npl/freertos/src/npl_os_freertos.c
rename to lib/libesp32_div/NimBLE-Arduino/src/porting/npl/freertos/src/npl_os_freertos.c
diff --git a/lib/libesp32/NimBLE-Arduino/src/services/ans/ble_svc_ans.h b/lib/libesp32_div/NimBLE-Arduino/src/services/ans/ble_svc_ans.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/services/ans/ble_svc_ans.h
rename to lib/libesp32_div/NimBLE-Arduino/src/services/ans/ble_svc_ans.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/services/bas/ble_svc_bas.h b/lib/libesp32_div/NimBLE-Arduino/src/services/bas/ble_svc_bas.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/services/bas/ble_svc_bas.h
rename to lib/libesp32_div/NimBLE-Arduino/src/services/bas/ble_svc_bas.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/services/gap/ble_svc_gap.h b/lib/libesp32_div/NimBLE-Arduino/src/services/gap/ble_svc_gap.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/services/gap/ble_svc_gap.h
rename to lib/libesp32_div/NimBLE-Arduino/src/services/gap/ble_svc_gap.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/services/gatt/ble_svc_gatt.h b/lib/libesp32_div/NimBLE-Arduino/src/services/gatt/ble_svc_gatt.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/services/gatt/ble_svc_gatt.h
rename to lib/libesp32_div/NimBLE-Arduino/src/services/gatt/ble_svc_gatt.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/services/ias/ble_svc_ias.h b/lib/libesp32_div/NimBLE-Arduino/src/services/ias/ble_svc_ias.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/services/ias/ble_svc_ias.h
rename to lib/libesp32_div/NimBLE-Arduino/src/services/ias/ble_svc_ias.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/services/ipss/ble_svc_ipss.h b/lib/libesp32_div/NimBLE-Arduino/src/services/ipss/ble_svc_ipss.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/services/ipss/ble_svc_ipss.h
rename to lib/libesp32_div/NimBLE-Arduino/src/services/ipss/ble_svc_ipss.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/services/lls/ble_svc_lls.h b/lib/libesp32_div/NimBLE-Arduino/src/services/lls/ble_svc_lls.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/services/lls/ble_svc_lls.h
rename to lib/libesp32_div/NimBLE-Arduino/src/services/lls/ble_svc_lls.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/services/tps/ble_svc_tps.h b/lib/libesp32_div/NimBLE-Arduino/src/services/tps/ble_svc_tps.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/services/tps/ble_svc_tps.h
rename to lib/libesp32_div/NimBLE-Arduino/src/services/tps/ble_svc_tps.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/src/ble_hs_hci_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/src/ble_hs_hci_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/src/ble_hs_hci_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/src/ble_hs_hci_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/src/ble_sm_priv.h b/lib/libesp32_div/NimBLE-Arduino/src/src/ble_sm_priv.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/src/ble_sm_priv.h
rename to lib/libesp32_div/NimBLE-Arduino/src/src/ble_sm_priv.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/stats/stats.h b/lib/libesp32_div/NimBLE-Arduino/src/stats/stats.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/stats/stats.h
rename to lib/libesp32_div/NimBLE-Arduino/src/stats/stats.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/store/config/ble_store_config.h b/lib/libesp32_div/NimBLE-Arduino/src/store/config/ble_store_config.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/store/config/ble_store_config.h
rename to lib/libesp32_div/NimBLE-Arduino/src/store/config/ble_store_config.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/store/ram/ble_store_ram.h b/lib/libesp32_div/NimBLE-Arduino/src/store/ram/ble_store_ram.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/store/ram/ble_store_ram.h
rename to lib/libesp32_div/NimBLE-Arduino/src/store/ram/ble_store_ram.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/syscfg/syscfg.h b/lib/libesp32_div/NimBLE-Arduino/src/syscfg/syscfg.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/syscfg/syscfg.h
rename to lib/libesp32_div/NimBLE-Arduino/src/syscfg/syscfg.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/sysinit/sysinit.h b/lib/libesp32_div/NimBLE-Arduino/src/sysinit/sysinit.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/sysinit/sysinit.h
rename to lib/libesp32_div/NimBLE-Arduino/src/sysinit/sysinit.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/AUTHORS b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/AUTHORS
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/AUTHORS
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/AUTHORS
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/LICENSE b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/LICENSE
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/LICENSE
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/LICENSE
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/README b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/README
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/README
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/README
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/VERSION b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/VERSION
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/VERSION
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/VERSION
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/aes.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/aes.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/aes.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/aes.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/cbc_mode.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/cbc_mode.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/cbc_mode.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/cbc_mode.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/ccm_mode.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/ccm_mode.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/ccm_mode.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/ccm_mode.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/cmac_mode.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/cmac_mode.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/cmac_mode.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/cmac_mode.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/constants.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/constants.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/constants.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/constants.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/ctr_mode.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/ctr_mode.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/ctr_mode.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/ctr_mode.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/ctr_prng.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/ctr_prng.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/ctr_prng.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/ctr_prng.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/documentation/tinycrypt.rst b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/documentation/tinycrypt.rst
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/documentation/tinycrypt.rst
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/documentation/tinycrypt.rst
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/ecc.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/ecc.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/ecc.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/ecc.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/ecc_dh.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/ecc_dh.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/ecc_dh.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/ecc_dh.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/ecc_dsa.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/ecc_dsa.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/ecc_dsa.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/ecc_dsa.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/ecc_platform_specific.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/ecc_platform_specific.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/ecc_platform_specific.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/ecc_platform_specific.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/hmac.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/hmac.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/hmac.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/hmac.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/hmac_prng.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/hmac_prng.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/hmac_prng.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/hmac_prng.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/sha256.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/sha256.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/sha256.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/sha256.h
diff --git a/lib/libesp32/NimBLE-Arduino/src/tinycrypt/utils.h b/lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/utils.h
similarity index 100%
rename from lib/libesp32/NimBLE-Arduino/src/tinycrypt/utils.h
rename to lib/libesp32_div/NimBLE-Arduino/src/tinycrypt/utils.h
diff --git a/lib/libesp32/TTGO_TWatch_Library/LICENSE b/lib/libesp32_div/TTGO_TWatch_Library/LICENSE
old mode 100755
new mode 100644
similarity index 98%
rename from lib/libesp32/TTGO_TWatch_Library/LICENSE
rename to lib/libesp32_div/TTGO_TWatch_Library/LICENSE
index 630942bc6..bc95930d4
--- a/lib/libesp32/TTGO_TWatch_Library/LICENSE
+++ b/lib/libesp32_div/TTGO_TWatch_Library/LICENSE
@@ -1,21 +1,21 @@
-MIT License
-
-Copyright (c) 2019 TTGO
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
+MIT License
+
+Copyright (c) 2019 TTGO
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/lib/libesp32/TTGO_TWatch_Library/README.MD b/lib/libesp32_div/TTGO_TWatch_Library/README.MD
old mode 100755
new mode 100644
similarity index 98%
rename from lib/libesp32/TTGO_TWatch_Library/README.MD
rename to lib/libesp32_div/TTGO_TWatch_Library/README.MD
index 9e8d6ed0e..102d8cbe3
--- a/lib/libesp32/TTGO_TWatch_Library/README.MD
+++ b/lib/libesp32_div/TTGO_TWatch_Library/README.MD
@@ -1,62 +1,62 @@
-<h1 align = "center">🌟LilyGO T-Watch🌟</h1>
-
-**English | [中文](docs/details_cn.md)**
-
-
-<h2 align = "left">⭐ News </h2>
-
-1. In order to be compatible with multiple versions of T-Watch, all examples include a `config.h` file. For the first use, you need to define the **T-Watch** model you use in the `config.h` file
-2. In the `config.h` file, you can also see similar definitions, such as **LILYGO_WATCH_LVGL**, **LILYGO_WATCH_HAS_MOTOR**, this type of definition, it will be responsible for opening the defined module function, all definitions Will be available here [View](./docs/defined_en.md)
-3. Most of the examples are only used as hardware function demonstrations. This library only completes some initialization work and some demonstrations. For more advanced gameplay, please see [TTGO.h](https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library/blob/master/src/TTGO.h), to understand how to initialize, after being familiar with it, you can completely leave this library for more advanced gameplay
-- About API, please check the source code
-
-<h2 align = "left">🚀 Characteristics</h2>
-
-1. The library already contains all the hardware drivers for `T-Watch`
-2. Using **TFT_eSPI** as the display driver, you can directly call **TFT_eSPI** through the construction object.
-3. Using **lvgl 7.0.0** as the display graphics framework, the driver method has been implemented, you only need to call lvgl api according to your own needs.
-4. For the use of lvgl please refer to **[lvgl docs](https://docs.lvgl.io/v7/en/html/)**
-
-
-<h2 align = "left">🔷 Install</h2>
-
-- Download a zipfile from github using the "Download ZIP" button and install it using the IDE ("Sketch" -> "Include Library" -> "Add .ZIP Library..."
-- Clone this git repository into your sketchbook/libraries folder.
-For more info, see https://www.arduino.cc/en/Guide/Libraries
-
-
-<h2 align = "left">🔶 How to find the sample program</h2>
-
-- In the Arduino board select `TTGO T-Watch`
-- In the Arduino File -> Examples -> TTGO T-Watch
-
-<h2 align = "left">🔷 Note</h2>
-
-- If you don't have the `TTGO T-Watch` option in your board manager, please update the esp32 board as follows:
-  - Using Arduino IDE Boards Manager (preferred)
-    + [Instructions for Boards Manager](docs/arduino-ide/boards_manager.md)
-  - Using Arduino IDE with the development repository
-    + [Instructions for Windows](docs/arduino-ide/windows.md)
-    + [Instructions for Mac](docs/arduino-ide/mac.md)
-    + [Instructions for Debian/Ubuntu Linux](docs/arduino-ide/debian_ubuntu.md)
-    + [Instructions for Fedora](docs/arduino-ide/fedora.md)
-    + [Instructions for openSUSE](docs/arduino-ide/opensuse.md)
-
- <h2 align = "left">🔶 Precautions</h2>
-
-- T-Watch-2019 : Since Twatch uses a special IO as the SD interface, please remove the SD card when downloading the program.
-
-
- <h2 align = "left">🔷 Other</h2>
-
-- [Click for details of power consumption](docs/power.md)
-- [Pin Map Click to View](docs/pinmap.md)
-- [3D Shell](https://github.com/Xinyuan-LilyGO/LilyGo-TWatch-DataSheet/tree/master/3DSHELL)
-- [Hardware Resource](https://github.com/Xinyuan-LilyGO/LilyGo-TWatch-DataSheet)
-- [Acsip S76/78 Library&Examples](https://github.com/lewisxhe/Acsip-S7xG-Library)
-
- <h2 align = "left">🔶 More interesting projects</h2>
-
-- [Flight Recorder](https://github.com/lyusupov/SoftRF/wiki/Flight-Recorder)
-- [TTGO_T_Watch_Baidu_Rec](https://github.com/lixy123/TTGO_T_Watch_Baidu_Rec)
-- [TTGO_T_Watch_Alarm_Clock](https://github.com/lixy123/TTGO_T_Watch_Alarm_Clock)
+<h1 align = "center">🌟LilyGO T-Watch🌟</h1>
+
+**English | [中文](docs/details_cn.md)**
+
+
+<h2 align = "left">⭐ News </h2>
+
+1. In order to be compatible with multiple versions of T-Watch, all examples include a `config.h` file. For the first use, you need to define the **T-Watch** model you use in the `config.h` file
+2. In the `config.h` file, you can also see similar definitions, such as **LILYGO_WATCH_LVGL**, **LILYGO_WATCH_HAS_MOTOR**, this type of definition, it will be responsible for opening the defined module function, all definitions Will be available here [View](./docs/defined_en.md)
+3. Most of the examples are only used as hardware function demonstrations. This library only completes some initialization work and some demonstrations. For more advanced gameplay, please see [TTGO.h](https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library/blob/master/src/TTGO.h), to understand how to initialize, after being familiar with it, you can completely leave this library for more advanced gameplay
+- About API, please check the source code
+
+<h2 align = "left">🚀 Characteristics</h2>
+
+1. The library already contains all the hardware drivers for `T-Watch`
+2. Using **TFT_eSPI** as the display driver, you can directly call **TFT_eSPI** through the construction object.
+3. Using **lvgl 7.0.0** as the display graphics framework, the driver method has been implemented, you only need to call lvgl api according to your own needs.
+4. For the use of lvgl please refer to **[lvgl docs](https://docs.lvgl.io/v7/en/html/)**
+
+
+<h2 align = "left">🔷 Install</h2>
+
+- Download a zipfile from github using the "Download ZIP" button and install it using the IDE ("Sketch" -> "Include Library" -> "Add .ZIP Library..."
+- Clone this git repository into your sketchbook/libraries folder.
+For more info, see https://www.arduino.cc/en/Guide/Libraries
+
+
+<h2 align = "left">🔶 How to find the sample program</h2>
+
+- In the Arduino board select `TTGO T-Watch`
+- In the Arduino File -> Examples -> TTGO T-Watch
+
+<h2 align = "left">🔷 Note</h2>
+
+- If you don't have the `TTGO T-Watch` option in your board manager, please update the esp32 board as follows:
+  - Using Arduino IDE Boards Manager (preferred)
+    + [Instructions for Boards Manager](docs/arduino-ide/boards_manager.md)
+  - Using Arduino IDE with the development repository
+    + [Instructions for Windows](docs/arduino-ide/windows.md)
+    + [Instructions for Mac](docs/arduino-ide/mac.md)
+    + [Instructions for Debian/Ubuntu Linux](docs/arduino-ide/debian_ubuntu.md)
+    + [Instructions for Fedora](docs/arduino-ide/fedora.md)
+    + [Instructions for openSUSE](docs/arduino-ide/opensuse.md)
+
+ <h2 align = "left">🔶 Precautions</h2>
+
+- T-Watch-2019 : Since Twatch uses a special IO as the SD interface, please remove the SD card when downloading the program.
+
+
+ <h2 align = "left">🔷 Other</h2>
+
+- [Click for details of power consumption](docs/power.md)
+- [Pin Map Click to View](docs/pinmap.md)
+- [3D Shell](https://github.com/Xinyuan-LilyGO/LilyGo-TWatch-DataSheet/tree/master/3DSHELL)
+- [Hardware Resource](https://github.com/Xinyuan-LilyGO/LilyGo-TWatch-DataSheet)
+- [Acsip S76/78 Library&Examples](https://github.com/lewisxhe/Acsip-S7xG-Library)
+
+ <h2 align = "left">🔶 More interesting projects</h2>
+
+- [Flight Recorder](https://github.com/lyusupov/SoftRF/wiki/Flight-Recorder)
+- [TTGO_T_Watch_Baidu_Rec](https://github.com/lixy123/TTGO_T_Watch_Baidu_Rec)
+- [TTGO_T_Watch_Alarm_Clock](https://github.com/lixy123/TTGO_T_Watch_Alarm_Clock)
diff --git a/lib/libesp32/TTGO_TWatch_Library/library.json b/lib/libesp32_div/TTGO_TWatch_Library/library.json
old mode 100755
new mode 100644
similarity index 96%
rename from lib/libesp32/TTGO_TWatch_Library/library.json
rename to lib/libesp32_div/TTGO_TWatch_Library/library.json
index b56343ca9..105adc783
--- a/lib/libesp32/TTGO_TWatch_Library/library.json
+++ b/lib/libesp32_div/TTGO_TWatch_Library/library.json
@@ -1,25 +1,25 @@
-{
-    "name": "TTGO TWatch Library",
-    "keywords": "Device Conterl,TWatch,Watch,TTGO",
-    "description": "Arduino Library for TTGO T-Watch development kit",
-    "repository": {
-        "type": "git",
-        "url": "https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library.git"
-    },
-    "authors": [
-        {
-            "name": "Xinyuan Electronics",
-            "email": "lily@lilygo.cc",
-            "url": "https://github.com/Xinyuan-LilyGO",
-            "maintainer": true
-        },
-        {
-            "name": "lewishe",
-            "email": "lewishe@outlook.com",
-            "url": "https://github.com/lewisxhe"
-        }
-    ],
-    "version": "1.2.0",
-    "frameworks": "arduino",
-    "platforms": "esp32"
+{
+    "name": "TTGO TWatch Library",
+    "keywords": "Device Conterl,TWatch,Watch,TTGO",
+    "description": "Arduino Library for TTGO T-Watch development kit",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library.git"
+    },
+    "authors": [
+        {
+            "name": "Xinyuan Electronics",
+            "email": "lily@lilygo.cc",
+            "url": "https://github.com/Xinyuan-LilyGO",
+            "maintainer": true
+        },
+        {
+            "name": "lewishe",
+            "email": "lewishe@outlook.com",
+            "url": "https://github.com/lewisxhe"
+        }
+    ],
+    "version": "1.2.0",
+    "frameworks": "arduino",
+    "platforms": "esp32"
 }
\ No newline at end of file
diff --git a/lib/libesp32/TTGO_TWatch_Library/library.properties b/lib/libesp32_div/TTGO_TWatch_Library/library.properties
old mode 100755
new mode 100644
similarity index 96%
rename from lib/libesp32/TTGO_TWatch_Library/library.properties
rename to lib/libesp32_div/TTGO_TWatch_Library/library.properties
index ec44a9e27..0a8d63b81
--- a/lib/libesp32/TTGO_TWatch_Library/library.properties
+++ b/lib/libesp32_div/TTGO_TWatch_Library/library.properties
@@ -1,10 +1,10 @@
-name=TTGO TWatch Library
-version=1.2.0
-author=TTGO
-maintainer=lewis he <lewishe@outlook.com>
-sentence=Library for TTGO T-Watch development kit
-paragraph=twatch library
-category=Device Control
-url=https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library
-architectures=esp32
-includes=*
+name=TTGO TWatch Library
+version=1.2.0
+author=TTGO
+maintainer=lewis he <lewishe@outlook.com>
+sentence=Library for TTGO T-Watch development kit
+paragraph=twatch library
+category=Device Control
+url=https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library
+architectures=esp32
+includes=*
diff --git a/lib/libesp32/TTGO_TWatch_Library/src/axp20x.cpp b/lib/libesp32_div/TTGO_TWatch_Library/src/axp20x.cpp
old mode 100755
new mode 100644
similarity index 96%
rename from lib/libesp32/TTGO_TWatch_Library/src/axp20x.cpp
rename to lib/libesp32_div/TTGO_TWatch_Library/src/axp20x.cpp
index 0adf4faf3..e79820f72
--- a/lib/libesp32/TTGO_TWatch_Library/src/axp20x.cpp
+++ b/lib/libesp32_div/TTGO_TWatch_Library/src/axp20x.cpp
@@ -1,1800 +1,1800 @@
-/////////////////////////////////////////////////////////////////
-/*
-MIT License
-
-Copyright (c) 2019 lewis he
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
-axp20x.cpp - Arduino library for X-Power AXP202 chip.
-Created by Lewis he on April 1, 2019.
-github:https://github.com/lewisxhe/AXP202X_Libraries
-*/
-/////////////////////////////////////////////////////////////////
-
-#include "axp20x.h"
-#include <math.h>
-
-const uint8_t AXP20X_Class::startupParams[] = {
-    0b00000000,
-    0b01000000,
-    0b10000000,
-    0b11000000
-};
-
-const uint8_t AXP20X_Class::longPressParams[] = {
-    0b00000000,
-    0b00010000,
-    0b00100000,
-    0b00110000
-};
-
-const uint8_t AXP20X_Class::shutdownParams[] = {
-    0b00000000,
-    0b00000001,
-    0b00000010,
-    0b00000011
-};
-
-const uint8_t AXP20X_Class::targetVolParams[] = {
-    0b00000000,
-    0b00100000,
-    0b01000000,
-    0b01100000
-};
-
-
-
-// Power Output Control register
-uint8_t AXP20X_Class::_outputReg;
-
-int AXP20X_Class::_axp_probe()
-{
-    uint8_t data;
-    if (_isAxp173) {
-        //!Axp173 does not have a chip ID, read the status register to see if it reads normally
-        _readByte(0x01, 1, &data);
-        if (data == 0 || data == 0xFF) {
-            return AXP_FAIL;
-        }
-        _chip_id = AXP173_CHIP_ID;
-        _readByte(AXP202_LDO234_DC23_CTL, 1, &_outputReg);
-        AXP_DEBUG("OUTPUT Register 0x%x\n", _outputReg);
-        _init = true;
-        return AXP_PASS;
-    }
-    _readByte(AXP202_IC_TYPE, 1, &_chip_id);
-    AXP_DEBUG("chip id detect 0x%x\n", _chip_id);
-    if (_chip_id == AXP202_CHIP_ID || _chip_id == AXP192_CHIP_ID) {
-        AXP_DEBUG("Detect CHIP :%s\n", _chip_id == AXP202_CHIP_ID ? "AXP202" : "AXP192");
-        _readByte(AXP202_LDO234_DC23_CTL, 1, &_outputReg);
-        AXP_DEBUG("OUTPUT Register 0x%x\n", _outputReg);
-        _init = true;
-        return AXP_PASS;
-    }
-    return AXP_FAIL;
-}
-
-int AXP20X_Class::begin(TwoWire &port, uint8_t addr, bool isAxp173)
-{
-    _i2cPort = &port; //Grab which port the user wants us to use
-    _address = addr;
-    _isAxp173 = isAxp173;
-
-    return _axp_probe();
-}
-
-int AXP20X_Class::begin(axp_com_fptr_t read_cb, axp_com_fptr_t write_cb, uint8_t addr, bool isAxp173)
-{
-    if (read_cb == nullptr || write_cb == nullptr)return AXP_FAIL;
-    _read_cb = read_cb;
-    _write_cb = write_cb;
-    _address = addr;
-    _isAxp173 = isAxp173;
-    return _axp_probe();
-}
-
-//Only axp192 chip
-bool AXP20X_Class::isDCDC1Enable()
-{
-    if (_chip_id == AXP192_CHIP_ID)
-        return IS_OPEN(_outputReg, AXP192_DCDC1);
-    else if (_chip_id == AXP173_CHIP_ID)
-        return IS_OPEN(_outputReg, AXP173_DCDC1);
-    return false;
-}
-
-bool AXP20X_Class::isExtenEnable()
-{
-    if (_chip_id == AXP192_CHIP_ID)
-        return IS_OPEN(_outputReg, AXP192_EXTEN);
-    else if (_chip_id == AXP202_CHIP_ID)
-        return IS_OPEN(_outputReg, AXP202_EXTEN);
-    else if (_chip_id == AXP173_CHIP_ID) {
-        uint8_t data;
-        _readByte(AXP173_EXTEN_DC2_CTL, 1, &data);
-        return IS_OPEN(data, AXP173_CTL_EXTEN_BIT);
-    }
-    return false;
-}
-
-bool AXP20X_Class::isLDO2Enable()
-{
-    if (_chip_id == AXP173_CHIP_ID) {
-        return IS_OPEN(_outputReg, AXP173_LDO2);
-    }
-    //axp192 same axp202 ldo2 bit
-    return IS_OPEN(_outputReg, AXP202_LDO2);
-}
-
-bool AXP20X_Class::isLDO3Enable()
-{
-    if (_chip_id == AXP192_CHIP_ID)
-        return IS_OPEN(_outputReg, AXP192_LDO3);
-    else if (_chip_id == AXP202_CHIP_ID)
-        return IS_OPEN(_outputReg, AXP202_LDO3);
-    else if (_chip_id == AXP173_CHIP_ID)
-        return IS_OPEN(_outputReg, AXP173_LDO3);
-    return false;
-}
-
-bool AXP20X_Class::isLDO4Enable()
-{
-    if (_chip_id == AXP202_CHIP_ID)
-        return IS_OPEN(_outputReg, AXP202_LDO4);
-    if (_chip_id == AXP173_CHIP_ID)
-        return IS_OPEN(_outputReg, AXP173_LDO4);
-    return false;
-}
-
-bool AXP20X_Class::isDCDC2Enable()
-{
-    if (_chip_id == AXP173_CHIP_ID) {
-        uint8_t data;
-        _readByte(AXP173_EXTEN_DC2_CTL, 1, &data);
-        return IS_OPEN(data, AXP173_CTL_DC2_BIT);
-    }
-    //axp192 same axp202 dc2 bit
-    return IS_OPEN(_outputReg, AXP202_DCDC2);
-}
-
-bool AXP20X_Class::isDCDC3Enable()
-{
-    if (_chip_id == AXP173_CHIP_ID)
-        return false;
-    //axp192 same axp202 dc3 bit
-    return IS_OPEN(_outputReg, AXP202_DCDC3);
-}
-
-int AXP20X_Class::setPowerOutPut(uint8_t ch, bool en)
-{
-    uint8_t data;
-    uint8_t val = 0;
-    if (!_init)
-        return AXP_NOT_INIT;
-
-    //! Axp173 cannot use the REG12H register to control
-    //! DC2 and EXTEN. It is necessary to control REG10H separately.
-    if (_chip_id == AXP173_CHIP_ID) {
-        _readByte(AXP173_EXTEN_DC2_CTL, 1, &data);
-        if (ch & AXP173_DCDC2) {
-            data = en ? data | BIT_MASK(AXP173_CTL_DC2_BIT) : data & (~BIT_MASK(AXP173_CTL_DC2_BIT));
-            ch &= (~BIT_MASK(AXP173_DCDC2));
-            _writeByte(AXP173_EXTEN_DC2_CTL, 1, &data);
-        } else if (ch & AXP173_EXTEN) {
-            data = en ? data | BIT_MASK(AXP173_CTL_EXTEN_BIT) : data & (~BIT_MASK(AXP173_CTL_EXTEN_BIT));
-            ch &= (~BIT_MASK(AXP173_EXTEN));
-            _writeByte(AXP173_EXTEN_DC2_CTL, 1, &data);
-        }
-    }
-
-    _readByte(AXP202_LDO234_DC23_CTL, 1, &data);
-    if (en) {
-        data |= (1 << ch);
-    } else {
-        data &= (~(1 << ch));
-    }
-
-    if (_chip_id == AXP202_CHIP_ID) {
-        FORCED_OPEN_DCDC3(data); //! Must be forced open in T-Watch
-    }
-
-    _writeByte(AXP202_LDO234_DC23_CTL, 1, &data);
-    delay(1);
-    _readByte(AXP202_LDO234_DC23_CTL, 1, &val);
-    if (data == val) {
-        _outputReg = val;
-        return AXP_PASS;
-    }
-    return AXP_FAIL;
-}
-
-bool AXP20X_Class::isChargeing()
-{
-    uint8_t reg;
-    if (!_init)
-        return AXP_NOT_INIT;
-    _readByte(AXP202_MODE_CHGSTATUS, 1, &reg);
-    return IS_OPEN(reg, 6);
-}
-
-bool AXP20X_Class::isBatteryConnect()
-{
-    uint8_t reg;
-    if (!_init)
-        return AXP_NOT_INIT;
-    _readByte(AXP202_MODE_CHGSTATUS, 1, &reg);
-    return IS_OPEN(reg, 5);
-}
-
-float AXP20X_Class::getAcinVoltage()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    return _getRegistResult(AXP202_ACIN_VOL_H8, AXP202_ACIN_VOL_L4) * AXP202_ACIN_VOLTAGE_STEP;
-}
-
-float AXP20X_Class::getAcinCurrent()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    return _getRegistResult(AXP202_ACIN_CUR_H8, AXP202_ACIN_CUR_L4) * AXP202_ACIN_CUR_STEP;
-}
-
-float AXP20X_Class::getVbusVoltage()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    return _getRegistResult(AXP202_VBUS_VOL_H8, AXP202_VBUS_VOL_L4) * AXP202_VBUS_VOLTAGE_STEP;
-}
-
-float AXP20X_Class::getVbusCurrent()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    return _getRegistResult(AXP202_VBUS_CUR_H8, AXP202_VBUS_CUR_L4) * AXP202_VBUS_CUR_STEP;
-}
-
-float AXP20X_Class::getTemp()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    return _getRegistResult(AXP202_INTERNAL_TEMP_H8, AXP202_INTERNAL_TEMP_L4) * AXP202_INTERNAL_TEMP_STEP;
-}
-
-float AXP20X_Class::getTSTemp()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    return _getRegistResult(AXP202_TS_IN_H8, AXP202_TS_IN_L4) * AXP202_TS_PIN_OUT_STEP;
-}
-
-float AXP20X_Class::getGPIO0Voltage()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    return _getRegistResult(AXP202_GPIO0_VOL_ADC_H8, AXP202_GPIO0_VOL_ADC_L4) * AXP202_GPIO0_STEP;
-}
-
-float AXP20X_Class::getGPIO1Voltage()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    return _getRegistResult(AXP202_GPIO1_VOL_ADC_H8, AXP202_GPIO1_VOL_ADC_L4) * AXP202_GPIO1_STEP;
-}
-
-/*
-Note: the battery power formula:
-Pbat =2* register value * Voltage LSB * Current LSB / 1000.
-(Voltage LSB is 1.1mV; Current LSB is 0.5mA, and unit of calculation result is mW.)
-*/
-float AXP20X_Class::getBattInpower()
-{
-    float rslt;
-    uint8_t hv, mv, lv;
-    if (!_init)
-        return AXP_NOT_INIT;
-    _readByte(AXP202_BAT_POWERH8, 1, &hv);
-    _readByte(AXP202_BAT_POWERM8, 1, &mv);
-    _readByte(AXP202_BAT_POWERL8, 1, &lv);
-    rslt = (hv << 16) | (mv << 8) | lv;
-    rslt = 2 * rslt * 1.1 * 0.5 / 1000;
-    return rslt;
-}
-
-float AXP20X_Class::getBattVoltage()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    return _getRegistResult(AXP202_BAT_AVERVOL_H8, AXP202_BAT_AVERVOL_L4) * AXP202_BATT_VOLTAGE_STEP;
-}
-
-float AXP20X_Class::getBattChargeCurrent()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    switch (_chip_id) {
-    case AXP202_CHIP_ID:
-        return _getRegistResult(AXP202_BAT_AVERCHGCUR_H8, AXP202_BAT_AVERCHGCUR_L4) * AXP202_BATT_CHARGE_CUR_STEP;
-    case AXP192_CHIP_ID:
-        return _getRegistH8L5(AXP202_BAT_AVERCHGCUR_H8, AXP202_BAT_AVERCHGCUR_L5) * AXP202_BATT_CHARGE_CUR_STEP;
-    default:
-        return AXP_FAIL;
-    }
-}
-
-float AXP20X_Class::getBattDischargeCurrent()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    return _getRegistH8L5(AXP202_BAT_AVERDISCHGCUR_H8, AXP202_BAT_AVERDISCHGCUR_L5) * AXP202_BATT_DISCHARGE_CUR_STEP;
-}
-
-float AXP20X_Class::getSysIPSOUTVoltage()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    return _getRegistResult(AXP202_APS_AVERVOL_H8, AXP202_APS_AVERVOL_L4);
-}
-
-/*
-Coulomb calculation formula:
-C= 65536 * current LSB *（charge coulomb counter value - discharge coulomb counter value） /
-3600 / ADC sample rate. Refer to REG84H setting for ADC sample rate；the current LSB is
-0.5mA；unit of the calculation result is mAh. ）
-*/
-uint32_t AXP20X_Class::getBattChargeCoulomb()
-{
-    uint8_t buffer[4];
-    if (!_init)
-        return AXP_NOT_INIT;
-    _readByte(0xB0, 4, buffer);
-    return (buffer[0] << 24) + (buffer[1] << 16) + (buffer[2] << 8) + buffer[3];
-}
-
-uint32_t AXP20X_Class::getBattDischargeCoulomb()
-{
-    uint8_t buffer[4];
-    if (!_init)
-        return AXP_NOT_INIT;
-    _readByte(0xB4, 4, buffer);
-    return (buffer[0] << 24) + (buffer[1] << 16) + (buffer[2] << 8) + buffer[3];
-}
-
-float AXP20X_Class::getCoulombData()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    uint32_t charge = getBattChargeCoulomb(), discharge = getBattDischargeCoulomb();
-    uint8_t rate = getAdcSamplingRate();
-    float result = 65536.0 * 0.5 * (charge - discharge) / 3600.0 / rate;
-    return result;
-}
-
-
-//-------------------------------------------------------
-// New Coulomb functions  by MrFlexi
-//-------------------------------------------------------
-
-uint8_t AXP20X_Class::getCoulombRegister()
-{
-    uint8_t buffer;
-    if (!_init)
-        return AXP_NOT_INIT;
-    _readByte(AXP202_COULOMB_CTL, 1, &buffer);
-    return buffer;
-}
-
-
-int AXP20X_Class::setCoulombRegister(uint8_t val)
-{
-    if (!_init)
-        return AXP_NOT_INIT;    
-    _writeByte(AXP202_COULOMB_CTL, 1, &val);
-    return AXP_PASS;
-}
-
-
-int AXP20X_Class::EnableCoulombcounter(void)
-{
-   
-     if (!_init)
-        return AXP_NOT_INIT;    
-     uint8_t val = 0x80;    
-    _writeByte(AXP202_COULOMB_CTL, 1, &val);
-    return AXP_PASS;    
-}
-
-int AXP20X_Class::DisableCoulombcounter(void)
-{
-   
-     if (!_init)
-        return AXP_NOT_INIT;    
-     uint8_t val = 0x00;    
-    _writeByte(AXP202_COULOMB_CTL, 1, &val);
-    return AXP_PASS;    
-}
-
-int AXP20X_Class::StopCoulombcounter(void)
-{
-   
-     if (!_init)
-        return AXP_NOT_INIT;    
-     uint8_t val = 0xB8;    
-    _writeByte(AXP202_COULOMB_CTL, 1, &val);
-    return AXP_PASS;    
-}
-
-
-int AXP20X_Class::ClearCoulombcounter(void)
-{
-   
-     if (!_init)
-        return AXP_NOT_INIT;    
-     uint8_t val = 0xA0;    
-    _writeByte(AXP202_COULOMB_CTL, 1, &val);
-    return AXP_PASS;    
-}
-
-//-------------------------------------------------------
-// END 
-//-------------------------------------------------------
-
-
-
-uint8_t AXP20X_Class::getAdcSamplingRate()
-{
-    //axp192 same axp202 aregister address 0x84
-    if (!_init)
-        return AXP_NOT_INIT;
-    uint8_t val;
-    _readByte(AXP202_ADC_SPEED, 1, &val);
-    return 25 * (int)pow(2, (val & 0xC0) >> 6);
-}
-
-int AXP20X_Class::setAdcSamplingRate(axp_adc_sampling_rate_t rate)
-{
-    //axp192 same axp202 aregister address 0x84
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (rate > AXP_ADC_SAMPLING_RATE_200HZ)
-        return AXP_FAIL;
-    uint8_t val;
-    _readByte(AXP202_ADC_SPEED, 1, &val);
-    uint8_t rw = rate;
-    val &= 0x3F;
-    val |= (rw << 6);
-    _writeByte(AXP202_ADC_SPEED, 1, &val);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::setTSfunction(axp_ts_pin_function_t func)
-{
-    //axp192 same axp202 aregister address 0x84
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (func > AXP_TS_PIN_FUNCTION_ADC)
-        return AXP_FAIL;
-    uint8_t val;
-    _readByte(AXP202_ADC_SPEED, 1, &val);
-    uint8_t rw = func;
-    val &= 0xFA;
-    val |= (rw << 2);
-    _writeByte(AXP202_ADC_SPEED, 1, &val);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::setTScurrent(axp_ts_pin_current_t current)
-{
-    //axp192 same axp202 aregister address 0x84
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (current > AXP_TS_PIN_CURRENT_80UA)
-        return AXP_FAIL;
-    uint8_t val;
-    _readByte(AXP202_ADC_SPEED, 1, &val);
-    uint8_t rw = current;
-    val &= 0xCF;
-    val |= (rw << 4);
-    _writeByte(AXP202_ADC_SPEED, 1, &val);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::setTSmode(axp_ts_pin_mode_t mode)
-{
-    //axp192 same axp202 aregister address 0x84
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (mode > AXP_TS_PIN_MODE_ENABLE)
-        return AXP_FAIL;
-    uint8_t val;
-    _readByte(AXP202_ADC_SPEED, 1, &val);
-    uint8_t rw = mode;
-    val &= 0xFC;
-    val |= rw;
-    _writeByte(AXP202_ADC_SPEED, 1, &val);
-
-    // TS pin ADC function enable/disable
-    if (mode == AXP_TS_PIN_MODE_DISABLE)
-        adc1Enable(AXP202_TS_PIN_ADC1, false);
-    else
-        adc1Enable(AXP202_TS_PIN_ADC1, true);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::adc1Enable(uint16_t params, bool en)
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    uint8_t val;
-    _readByte(AXP202_ADC_EN1, 1, &val);
-    if (en)
-        val |= params;
-    else
-        val &= ~(params);
-    _writeByte(AXP202_ADC_EN1, 1, &val);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::adc2Enable(uint16_t params, bool en)
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    uint8_t val;
-    _readByte(AXP202_ADC_EN2, 1, &val);
-    if (en)
-        val |= params;
-    else
-        val &= ~(params);
-    _writeByte(AXP202_ADC_EN2, 1, &val);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::enableIRQ(uint64_t params, bool en)
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    uint8_t val, val1;
-    if (params & 0xFF) {
-        val1 = params & 0xFF;
-        _readByte(AXP202_INTEN1, 1, &val);
-        if (en)
-            val |= val1;
-        else
-            val &= ~(val1);
-        AXP_DEBUG("%s [0x%x]val:0x%x\n", en ? "enable" : "disable", AXP202_INTEN1, val);
-        _writeByte(AXP202_INTEN1, 1, &val);
-    }
-    if (params & 0xFF00) {
-        val1 = params >> 8;
-        _readByte(AXP202_INTEN2, 1, &val);
-        if (en)
-            val |= val1;
-        else
-            val &= ~(val1);
-        AXP_DEBUG("%s [0x%x]val:0x%x\n", en ? "enable" : "disable", AXP202_INTEN2, val);
-        _writeByte(AXP202_INTEN2, 1, &val);
-    }
-
-    if (params & 0xFF0000) {
-        val1 = params >> 16;
-        _readByte(AXP202_INTEN3, 1, &val);
-        if (en)
-            val |= val1;
-        else
-            val &= ~(val1);
-        AXP_DEBUG("%s [0x%x]val:0x%x\n", en ? "enable" : "disable", AXP202_INTEN3, val);
-        _writeByte(AXP202_INTEN3, 1, &val);
-    }
-
-    if (params & 0xFF000000) {
-        val1 = params >> 24;
-        _readByte(AXP202_INTEN4, 1, &val);
-        if (en)
-            val |= val1;
-        else
-            val &= ~(val1);
-        AXP_DEBUG("%s [0x%x]val:0x%x\n", en ? "enable" : "disable", AXP202_INTEN4, val);
-        _writeByte(AXP202_INTEN4, 1, &val);
-    }
-
-    if (params & 0xFF00000000) {
-        val1 = params >> 32;
-        _readByte(AXP202_INTEN5, 1, &val);
-        if (en)
-            val |= val1;
-        else
-            val &= ~(val1);
-        AXP_DEBUG("%s [0x%x]val:0x%x\n", en ? "enable" : "disable", AXP202_INTEN5, val);
-        _writeByte(AXP202_INTEN5, 1, &val);
-    }
-    return AXP_PASS;
-}
-
-int AXP20X_Class::readIRQ()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    switch (_chip_id) {
-    case AXP192_CHIP_ID:
-        for (int i = 0; i < 4; ++i) {
-            _readByte(AXP192_INTSTS1 + i, 1, &_irq[i]);
-        }
-        _readByte(AXP192_INTSTS5, 1, &_irq[4]);
-        return AXP_PASS;
-
-    case AXP202_CHIP_ID:
-        for (int i = 0; i < 5; ++i) {
-            _readByte(AXP202_INTSTS1 + i, 1, &_irq[i]);
-        }
-        return AXP_PASS;
-    default:
-        return AXP_FAIL;
-    }
-}
-
-void AXP20X_Class::clearIRQ()
-{
-    uint8_t val = 0xFF;
-    switch (_chip_id) {
-    case AXP192_CHIP_ID:
-        for (int i = 0; i < 3; i++) {
-            _writeByte(AXP192_INTSTS1 + i, 1, &val);
-        }
-        _writeByte(AXP192_INTSTS5, 1, &val);
-        break;
-    case AXP202_CHIP_ID:
-        for (int i = 0; i < 5; i++) {
-            _writeByte(AXP202_INTSTS1 + i, 1, &val);
-        }
-        break;
-    default:
-        break;
-    }
-    memset(_irq, 0, sizeof(_irq));
-}
-
-bool AXP20X_Class::isAcinOverVoltageIRQ()
-{
-    return (bool)(_irq[0] & BIT_MASK(7));
-}
-
-bool AXP20X_Class::isAcinPlugInIRQ()
-{
-    return (bool)(_irq[0] & BIT_MASK(6));
-}
-
-bool AXP20X_Class::isAcinRemoveIRQ()
-{
-    return (bool)(_irq[0] & BIT_MASK(5));
-}
-
-bool AXP20X_Class::isVbusOverVoltageIRQ()
-{
-    return (bool)(_irq[0] & BIT_MASK(4));
-}
-
-bool AXP20X_Class::isVbusPlugInIRQ()
-{
-    return (bool)(_irq[0] & BIT_MASK(3));
-}
-
-bool AXP20X_Class::isVbusRemoveIRQ()
-{
-    return (bool)(_irq[0] & BIT_MASK(2));
-}
-
-bool AXP20X_Class::isVbusLowVHOLDIRQ()
-{
-    return (bool)(_irq[0] & BIT_MASK(1));
-}
-
-bool AXP20X_Class::isBattPlugInIRQ()
-{
-    return (bool)(_irq[1] & BIT_MASK(7));
-}
-bool AXP20X_Class::isBattRemoveIRQ()
-{
-    return (bool)(_irq[1] & BIT_MASK(6));
-}
-bool AXP20X_Class::isBattEnterActivateIRQ()
-{
-    return (bool)(_irq[1] & BIT_MASK(5));
-}
-bool AXP20X_Class::isBattExitActivateIRQ()
-{
-    return (bool)(_irq[1] & BIT_MASK(4));
-}
-bool AXP20X_Class::isChargingIRQ()
-{
-    return (bool)(_irq[1] & BIT_MASK(3));
-}
-bool AXP20X_Class::isChargingDoneIRQ()
-{
-    return (bool)(_irq[1] & BIT_MASK(2));
-}
-bool AXP20X_Class::isBattTempLowIRQ()
-{
-    return (bool)(_irq[1] & BIT_MASK(1));
-}
-bool AXP20X_Class::isBattTempHighIRQ()
-{
-    return (bool)(_irq[1] & BIT_MASK(0));
-}
-
-bool AXP20X_Class::isPEKShortPressIRQ()
-{
-    return (bool)(_irq[2] & BIT_MASK(1));
-}
-
-bool AXP20X_Class::isPEKLongtPressIRQ()
-{
-    return (bool)(_irq[2] & BIT_MASK(0));
-}
-
-bool AXP20X_Class::isTimerTimeoutIRQ()
-{
-    return (bool)(_irq[4] & BIT_MASK(7));
-}
-
-bool AXP20X_Class::isVBUSPlug()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    uint8_t reg;
-    _readByte(AXP202_STATUS, 1, &reg);
-    return IS_OPEN(reg, 5);
-}
-
-int AXP20X_Class::setDCDC2Voltage(uint16_t mv)
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (mv < 700) {
-        AXP_DEBUG("DCDC2:Below settable voltage:700mV~2275mV");
-        mv = 700;
-    }
-    if (mv > 2275) {
-        AXP_DEBUG("DCDC2:Above settable voltage:700mV~2275mV");
-        mv = 2275;
-    }
-    uint8_t val = (mv - 700) / 25;
-    //! axp173/192/202 same register
-    _writeByte(AXP202_DC2OUT_VOL, 1, &val);
-    return AXP_PASS;
-}
-
-uint16_t AXP20X_Class::getDCDC2Voltage()
-{
-    uint8_t val = 0;
-    //! axp173/192/202 same register
-    _readByte(AXP202_DC2OUT_VOL, 1, &val);
-    return val * 25 + 700;
-}
-
-uint16_t AXP20X_Class::getDCDC3Voltage()
-{
-    if (!_init)
-        return 0;
-    if (_chip_id == AXP173_CHIP_ID)return AXP_NOT_SUPPORT;
-    uint8_t val = 0;
-    _readByte(AXP202_DC3OUT_VOL, 1, &val);
-    return val * 25 + 700;
-}
-
-int AXP20X_Class::setDCDC3Voltage(uint16_t mv)
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (_chip_id == AXP173_CHIP_ID)return AXP_NOT_SUPPORT;
-    if (mv < 700) {
-        AXP_DEBUG("DCDC3:Below settable voltage:700mV~3500mV");
-        mv = 700;
-    }
-    if (mv > 3500) {
-        AXP_DEBUG("DCDC3:Above settable voltage:700mV~3500mV");
-        mv = 3500;
-    }
-    uint8_t val = (mv - 700) / 25;
-    _writeByte(AXP202_DC3OUT_VOL, 1, &val);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::setLDO2Voltage(uint16_t mv)
-{
-    uint8_t rVal, wVal;
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (mv < 1800) {
-        AXP_DEBUG("LDO2:Below settable voltage:1800mV~3300mV");
-        mv = 1800;
-    }
-    if (mv > 3300) {
-        AXP_DEBUG("LDO2:Above settable voltage:1800mV~3300mV");
-        mv = 3300;
-    }
-    wVal = (mv - 1800) / 100;
-    if (_chip_id == AXP202_CHIP_ID) {
-        _readByte(AXP202_LDO24OUT_VOL, 1, &rVal);
-        rVal &= 0x0F;
-        rVal |= (wVal << 4);
-        _writeByte(AXP202_LDO24OUT_VOL, 1, &rVal);
-        return AXP_PASS;
-    } else if (_chip_id == AXP192_CHIP_ID || _chip_id == AXP173_CHIP_ID) {
-        _readByte(AXP192_LDO23OUT_VOL, 1, &rVal);
-        rVal &= 0x0F;
-        rVal |= (wVal << 4);
-        _writeByte(AXP192_LDO23OUT_VOL, 1, &rVal);
-        return AXP_PASS;
-    }
-    return AXP_FAIL;
-}
-
-uint16_t AXP20X_Class::getLDO2Voltage()
-{
-    uint8_t rVal;
-    if (_chip_id == AXP202_CHIP_ID) {
-        _readByte(AXP202_LDO24OUT_VOL, 1, &rVal);
-        rVal &= 0xF0;
-        rVal >>= 4;
-        return rVal * 100 + 1800;
-    } else if (_chip_id == AXP192_CHIP_ID || _chip_id == AXP173_CHIP_ID ) {
-        _readByte(AXP192_LDO23OUT_VOL, 1, &rVal);
-        AXP_DEBUG("get result:%x\n", rVal);
-        rVal &= 0xF0;
-        rVal >>= 4;
-        return rVal * 100 + 1800;
-    }
-    return 0;
-}
-
-int AXP20X_Class::setLDO3Voltage(uint16_t mv)
-{
-    uint8_t rVal;
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (_chip_id == AXP202_CHIP_ID && mv < 700) {
-        AXP_DEBUG("LDO3:Below settable voltage:700mV~3500mV");
-        mv = 700;
-    } else if (_chip_id == AXP192_CHIP_ID && mv < 1800) {
-        AXP_DEBUG("LDO3:Below settable voltage:1800mV~3300mV");
-        mv = 1800;
-    }
-
-    if (_chip_id == AXP202_CHIP_ID && mv > 3500) {
-        AXP_DEBUG("LDO3:Above settable voltage:700mV~3500mV");
-        mv = 3500;
-    } else if (_chip_id == AXP192_CHIP_ID && mv > 3300) {
-        AXP_DEBUG("LDO3:Above settable voltage:1800mV~3300mV");
-        mv = 3300;
-    }
-
-    if (_chip_id == AXP202_CHIP_ID) {
-        _readByte(AXP202_LDO3OUT_VOL, 1, &rVal);
-        rVal &= 0x80;
-        rVal |= ((mv - 700) / 25);
-        _writeByte(AXP202_LDO3OUT_VOL, 1, &rVal);
-        return AXP_PASS;
-    } else if (_chip_id == AXP192_CHIP_ID || _chip_id == AXP173_CHIP_ID) {
-        _readByte(AXP192_LDO23OUT_VOL, 1, &rVal);
-        rVal &= 0xF0;
-        rVal |= ((mv - 1800) / 100);
-        _writeByte(AXP192_LDO23OUT_VOL, 1, &rVal);
-        return AXP_PASS;
-    }
-    return AXP_FAIL;
-}
-
-uint16_t AXP20X_Class::getLDO3Voltage()
-{
-    uint8_t rVal;
-    if (!_init)
-        return AXP_NOT_INIT;
-
-    if (_chip_id == AXP202_CHIP_ID) {
-        _readByte(AXP202_LDO3OUT_VOL, 1, &rVal);
-        if (rVal & 0x80) {
-            //! According to the hardware N_VBUSEN Pin selection
-            return getVbusVoltage() * 1000;
-        } else {
-            return (rVal & 0x7F) * 25 + 700;
-        }
-    } else if (_chip_id == AXP192_CHIP_ID || _chip_id == AXP173_CHIP_ID) {
-        _readByte(AXP192_LDO23OUT_VOL, 1, &rVal);
-        rVal &= 0x0F;
-        return rVal * 100 + 1800;
-    }
-    return 0;
-}
-
-//! Only axp173 support
-int AXP20X_Class::setLDO4Voltage(uint16_t mv)
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (_chip_id != AXP173_CHIP_ID)
-        return AXP_FAIL;
-
-    if (mv < 700) {
-        AXP_DEBUG("LDO4:Below settable voltage:700mV~3500mV");
-        mv = 700;
-    }
-    if (mv > 3500) {
-        AXP_DEBUG("LDO4:Above settable voltage:700mV~3500mV");
-        mv = 3500;
-    }
-    uint8_t val = (mv - 700) / 25;
-    _writeByte(AXP173_LDO4_VLOTAGE, 1, &val);
-    return AXP_PASS;
-}
-
-uint16_t AXP20X_Class::getLDO4Voltage()
-{
-    const uint16_t ldo4_table[] = {1250, 1300, 1400, 1500, 1600, 1700, 1800, 1900, 2000, 2500, 2700, 2800, 3000, 3100, 3200, 3300};
-    if (!_init)
-        return 0;
-    uint8_t val = 0;
-    switch (_chip_id) {
-    case AXP173_CHIP_ID:
-        _readByte(AXP173_LDO4_VLOTAGE, 1, &val);
-        return val * 25 + 700;
-    case AXP202_CHIP_ID:
-        _readByte(AXP202_LDO24OUT_VOL, 1, &val);
-        val &= 0xF;
-        return ldo4_table[val];
-        break;
-    case AXP192_CHIP_ID:
-    default:
-        break;
-    }
-    return 0;
-}
-
-
-//! Only axp202 support
-int AXP20X_Class::setLDO4Voltage(axp_ldo4_table_t param)
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (_chip_id == AXP202_CHIP_ID) {
-        if (param >= AXP202_LDO4_MAX)
-            return AXP_INVALID;
-        uint8_t val;
-        _readByte(AXP202_LDO24OUT_VOL, 1, &val);
-        val &= 0xF0;
-        val |= param;
-        _writeByte(AXP202_LDO24OUT_VOL, 1, &val);
-        return AXP_PASS;
-    }
-    return AXP_FAIL;
-}
-
-//! Only AXP202 support
-// 0 : LDO  1 : DCIN
-int AXP20X_Class::setLDO3Mode(uint8_t mode)
-{
-    uint8_t val;
-    if (_chip_id != AXP202_CHIP_ID)
-        return AXP_FAIL;
-    _readByte(AXP202_LDO3OUT_VOL, 1, &val);
-    if (mode) {
-        val |= BIT_MASK(7);
-    } else {
-        val &= (~BIT_MASK(7));
-    }
-    _writeByte(AXP202_LDO3OUT_VOL, 1, &val);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::setStartupTime(uint8_t param)
-{
-    uint8_t val;
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (param > sizeof(startupParams) / sizeof(startupParams[0]))
-        return AXP_INVALID;
-    _readByte(AXP202_POK_SET, 1, &val);
-    val &= (~0b11000000);
-    val |= startupParams[param];
-    _writeByte(AXP202_POK_SET, 1, &val);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::setlongPressTime(uint8_t param)
-{
-    uint8_t val;
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (param > sizeof(longPressParams) / sizeof(longPressParams[0]))
-        return AXP_INVALID;
-    _readByte(AXP202_POK_SET, 1, &val);
-    val &= (~0b00110000);
-    val |= longPressParams[param];
-    _writeByte(AXP202_POK_SET, 1, &val);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::setShutdownTime(uint8_t param)
-{
-    uint8_t val;
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (param > sizeof(shutdownParams) / sizeof(shutdownParams[0]))
-        return AXP_INVALID;
-    _readByte(AXP202_POK_SET, 1, &val);
-    val &= (~0b00000011);
-    val |= shutdownParams[param];
-    _writeByte(AXP202_POK_SET, 1, &val);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::setTimeOutShutdown(bool en)
-{
-    uint8_t val;
-    if (!_init)
-        return AXP_NOT_INIT;
-    _readByte(AXP202_POK_SET, 1, &val);
-    if (en)
-        val |= (1 << 3);
-    else
-        val &= (~(1 << 3));
-    _writeByte(AXP202_POK_SET, 1, &val);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::shutdown()
-{
-    uint8_t val;
-    if (!_init)
-        return AXP_NOT_INIT;
-    _readByte(AXP202_OFF_CTL, 1, &val);
-    val |= (1 << 7);
-    _writeByte(AXP202_OFF_CTL, 1, &val);
-    return AXP_PASS;
-}
-
-float AXP20X_Class::getSettingChargeCurrent()
-{
-    uint8_t val;
-    if (!_init)
-        return AXP_NOT_INIT;
-    _readByte(AXP202_CHARGE1, 1, &val);
-    val &= 0b00000111;
-    float cur = 300.0 + val * 100.0;
-    AXP_DEBUG("Setting Charge current : %.2f mA\n", cur);
-    return cur;
-}
-
-bool AXP20X_Class::isChargeingEnable()
-{
-    uint8_t val;
-    if (!_init)
-        return false;
-    _readByte(AXP202_CHARGE1, 1, &val);
-    if (val & (1 << 7)) {
-        AXP_DEBUG("Charging enable is enable\n");
-        val = true;
-    } else {
-        AXP_DEBUG("Charging enable is disable\n");
-        val = false;
-    }
-    return val;
-}
-
-int AXP20X_Class::enableChargeing(bool en)
-{
-    uint8_t val;
-    if (!_init)
-        return AXP_NOT_INIT;
-    _readByte(AXP202_CHARGE1, 1, &val);
-    val |= (1 << 7);
-    _writeByte(AXP202_CHARGE1, 1, &val);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::setChargingTargetVoltage(axp_chargeing_vol_t param)
-{
-    uint8_t val;
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (param > sizeof(targetVolParams) / sizeof(targetVolParams[0]))
-        return AXP_INVALID;
-    _readByte(AXP202_CHARGE1, 1, &val);
-    val &= ~(0b01100000);
-    val |= targetVolParams[param];
-    _writeByte(AXP202_CHARGE1, 1, &val);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::getBattPercentage()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (_chip_id != AXP202_CHIP_ID)
-        return AXP_NOT_SUPPORT;
-    uint8_t val;
-    if (!isBatteryConnect())
-        return 0;
-    _readByte(AXP202_BATT_PERCENTAGE, 1, &val);
-    if (!(val & BIT_MASK(7))) {
-        return val & (~BIT_MASK(7));
-    }
-    return 0;
-}
-
-int AXP20X_Class::setChgLEDMode(axp_chgled_mode_t mode)
-{
-    uint8_t val;
-    _readByte(AXP202_OFF_CTL, 1, &val);
-    val &= 0b11001111;
-    val |= BIT_MASK(3);
-    switch (mode) {
-    case AXP20X_LED_OFF:
-        _writeByte(AXP202_OFF_CTL, 1, &val);
-        break;
-    case AXP20X_LED_BLINK_1HZ:
-        val |= 0b00010000;
-        _writeByte(AXP202_OFF_CTL, 1, &val);
-        break;
-    case AXP20X_LED_BLINK_4HZ:
-        val |= 0b00100000;
-        _writeByte(AXP202_OFF_CTL, 1, &val);
-        break;
-    case AXP20X_LED_LOW_LEVEL:
-        val |= 0b00110000;
-        _writeByte(AXP202_OFF_CTL, 1, &val);
-        break;
-    default:
-        return AXP_FAIL;
-    }
-    return AXP_PASS;
-}
-
-int AXP20X_Class::debugCharging()
-{
-    uint8_t val;
-    _readByte(AXP202_CHARGE1, 1, &val);
-    AXP_DEBUG("SRC REG:0x%x\n", val);
-    if (val & (1 << 7)) {
-        AXP_DEBUG("Charging enable is enable\n");
-    } else {
-        AXP_DEBUG("Charging enable is disable\n");
-    }
-    AXP_DEBUG("Charging target-voltage : 0x%x\n", ((val & 0b01100000) >> 5) & 0b11);
-    if (val & (1 << 4)) {
-        AXP_DEBUG("end when the charge current is lower than 15%% of the set value\n");
-    } else {
-        AXP_DEBUG(" end when the charge current is lower than 10%% of the set value\n");
-    }
-    val &= 0b00000111;
-    AXP_DEBUG("Charge current : %.2f mA\n", 300.0 + val * 100.0);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::debugStatus()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    uint8_t val, val1, val2;
-    _readByte(AXP202_STATUS, 1, &val);
-    _readByte(AXP202_MODE_CHGSTATUS, 1, &val1);
-    _readByte(AXP202_IPS_SET, 1, &val2);
-    AXP_DEBUG("AXP202_STATUS:   AXP202_MODE_CHGSTATUS   AXP202_IPS_SET\n");
-    AXP_DEBUG("0x%x\t\t\t 0x%x\t\t\t 0x%x\n", val, val1, val2);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::limitingOff()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    uint8_t val;
-    _readByte(AXP202_IPS_SET, 1, &val);
-    if (_chip_id == AXP202_CHIP_ID) {
-        val |= 0x03;
-    } else {
-        val &= ~(1 << 1);
-    }
-    _writeByte(AXP202_IPS_SET, 1, &val);
-    return AXP_PASS;
-}
-
-// Only AXP129 chip and AXP173
-int AXP20X_Class::setDCDC1Voltage(uint16_t mv)
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (_chip_id != AXP192_CHIP_ID && _chip_id != AXP173_CHIP_ID)
-        return AXP_FAIL;
-    if (mv < 700) {
-        AXP_DEBUG("DCDC1:Below settable voltage:700mV~3500mV");
-        mv = 700;
-    }
-    if (mv > 3500) {
-        AXP_DEBUG("DCDC1:Above settable voltage:700mV~3500mV");
-        mv = 3500;
-    }
-    uint8_t val = (mv - 700) / 25;
-    //! axp192 and axp173 dc1 control register same
-    _writeByte(AXP192_DC1_VLOTAGE, 1, &val);
-    return AXP_PASS;
-}
-
-// Only AXP129 chip and AXP173
-uint16_t AXP20X_Class::getDCDC1Voltage()
-{
-    if (_chip_id != AXP192_CHIP_ID && _chip_id != AXP173_CHIP_ID)
-        return AXP_FAIL;
-    uint8_t val = 0;
-    //! axp192 and axp173 dc1 control register same
-    _readByte(AXP192_DC1_VLOTAGE, 1, &val);
-    return val * 25 + 700;
-}
-
-
-/***********************************************
- *              !!! TIMER FUNCTION !!!
- * *********************************************/
-
-int AXP20X_Class::setTimer(uint8_t minutes)
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (_chip_id == AXP202_CHIP_ID) {
-        if (minutes > 63) {
-            return AXP_ARG_INVALID;
-        }
-        _writeByte(AXP202_TIMER_CTL, 1, &minutes);
-        return AXP_PASS;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-int AXP20X_Class::offTimer()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (_chip_id == AXP202_CHIP_ID) {
-        uint8_t minutes = 0x80;
-        _writeByte(AXP202_TIMER_CTL, 1, &minutes);
-        return AXP_PASS;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-int AXP20X_Class::clearTimerStatus()
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (_chip_id == AXP202_CHIP_ID) {
-        uint8_t val;
-        _readByte(AXP202_TIMER_CTL, 1, &val);
-        val |= 0x80;
-        _writeByte(AXP202_TIMER_CTL, 1, &val);
-        return AXP_PASS;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-/***********************************************
- *              !!! GPIO FUNCTION !!!
- * *********************************************/
-
-int AXP20X_Class::_axp192_gpio_0_select( axp_gpio_mode_t mode)
-{
-    switch (mode) {
-    case AXP_IO_OUTPUT_LOW_MODE:
-        return 0b101;
-    case AXP_IO_INPUT_MODE:
-        return 0b001;
-    case AXP_IO_LDO_MODE:
-        return 0b010;
-    case AXP_IO_ADC_MODE:
-        return 0b100;
-    case AXP_IO_FLOATING_MODE:
-        return 0b111;
-    case AXP_IO_OPEN_DRAIN_OUTPUT_MODE:
-        return 0;
-    case AXP_IO_OUTPUT_HIGH_MODE:
-    case AXP_IO_PWM_OUTPUT_MODE:
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-int AXP20X_Class::_axp192_gpio_1_select( axp_gpio_mode_t mode)
-{
-    switch (mode) {
-    case AXP_IO_OUTPUT_LOW_MODE:
-        return 0b101;
-    case AXP_IO_INPUT_MODE:
-        return 0b001;
-    case AXP_IO_ADC_MODE:
-        return 0b100;
-    case AXP_IO_FLOATING_MODE:
-        return 0b111;
-    case AXP_IO_OPEN_DRAIN_OUTPUT_MODE:
-        return 0;
-    case AXP_IO_PWM_OUTPUT_MODE:
-        return 0b010;
-    case AXP_IO_OUTPUT_HIGH_MODE:
-    case AXP_IO_LDO_MODE:
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-
-int AXP20X_Class::_axp192_gpio_3_select( axp_gpio_mode_t mode)
-{
-    switch (mode) {
-    case AXP_IO_EXTERN_CHARGING_CTRL_MODE:
-        return 0;
-    case AXP_IO_OPEN_DRAIN_OUTPUT_MODE:
-        return 1;
-    case AXP_IO_INPUT_MODE:
-        return 2;
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-int AXP20X_Class::_axp192_gpio_4_select( axp_gpio_mode_t mode)
-{
-    switch (mode) {
-    case AXP_IO_EXTERN_CHARGING_CTRL_MODE:
-        return 0;
-    case AXP_IO_OPEN_DRAIN_OUTPUT_MODE:
-        return 1;
-    case AXP_IO_INPUT_MODE:
-        return 2;
-    case AXP_IO_ADC_MODE:
-        return 3;
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-
-int AXP20X_Class::_axp192_gpio_set(axp_gpio_t gpio, axp_gpio_mode_t mode)
-{
-    int rslt;
-    uint8_t val;
-    switch (gpio) {
-    case AXP_GPIO_0: {
-        rslt = _axp192_gpio_0_select(mode);
-        if (rslt < 0)return rslt;
-        _readByte(AXP192_GPIO0_CTL, 1, &val);
-        val &= 0xF8;
-        val |= (uint8_t)rslt;
-        _writeByte(AXP192_GPIO0_CTL, 1, &val);
-        return AXP_PASS;
-    }
-    case AXP_GPIO_1: {
-        rslt = _axp192_gpio_1_select(mode);
-        if (rslt < 0)return rslt;
-        _readByte(AXP192_GPIO1_CTL, 1, &val);
-        val &= 0xF8;
-        val |= (uint8_t)rslt;
-        _writeByte(AXP192_GPIO1_CTL, 1, &val);
-        return AXP_PASS;
-    }
-    case AXP_GPIO_2: {
-        rslt = _axp192_gpio_1_select(mode);
-        if (rslt < 0)return rslt;
-        _readByte(AXP192_GPIO2_CTL, 1, &val);
-        val &= 0xF8;
-        val |= (uint8_t)rslt;
-        _writeByte(AXP192_GPIO2_CTL, 1, &val);
-        return AXP_PASS;
-    }
-    case AXP_GPIO_3: {
-        rslt = _axp192_gpio_3_select(mode);
-        if (rslt < 0)return rslt;
-        _readByte(AXP192_GPIO34_CTL, 1, &val);
-        val &= 0xFC;
-        val |= (uint8_t)rslt;
-        _writeByte(AXP192_GPIO34_CTL, 1, &val);
-        return AXP_PASS;
-    }
-    case AXP_GPIO_4: {
-        rslt = _axp192_gpio_4_select(mode);
-        if (rslt < 0)return rslt;
-        _readByte(AXP192_GPIO34_CTL, 1, &val);
-        val &= 0xF3;
-        val |= (uint8_t)rslt;
-        _writeByte(AXP192_GPIO34_CTL, 1, &val);
-        return AXP_PASS;
-    }
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-int AXP20X_Class::_axp202_gpio_0_select( axp_gpio_mode_t mode)
-{
-    switch (mode) {
-    case AXP_IO_OUTPUT_LOW_MODE:
-        return 0;
-    case AXP_IO_OUTPUT_HIGH_MODE:
-        return 1;
-    case AXP_IO_INPUT_MODE:
-        return 2;
-    case AXP_IO_LDO_MODE:
-        return 3;
-    case AXP_IO_ADC_MODE:
-        return 4;
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-int AXP20X_Class::_axp202_gpio_1_select( axp_gpio_mode_t mode)
-{
-    switch (mode) {
-    case AXP_IO_OUTPUT_LOW_MODE:
-        return 0;
-    case AXP_IO_OUTPUT_HIGH_MODE:
-        return 1;
-    case AXP_IO_INPUT_MODE:
-        return 2;
-    case AXP_IO_ADC_MODE:
-        return 4;
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-int AXP20X_Class::_axp202_gpio_2_select( axp_gpio_mode_t mode)
-{
-    switch (mode) {
-    case AXP_IO_OUTPUT_LOW_MODE:
-        return 0;
-    case AXP_IO_INPUT_MODE:
-        return 2;
-    case AXP_IO_FLOATING_MODE:
-        return 1;
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-
-int AXP20X_Class::_axp202_gpio_3_select(axp_gpio_mode_t mode)
-{
-    switch (mode) {
-    case AXP_IO_INPUT_MODE:
-        return 1;
-    case AXP_IO_OPEN_DRAIN_OUTPUT_MODE:
-        return 0;
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-int AXP20X_Class::_axp202_gpio_set(axp_gpio_t gpio, axp_gpio_mode_t mode)
-{
-    uint8_t val;
-    int rslt;
-    switch (gpio) {
-    case AXP_GPIO_0: {
-        rslt = _axp202_gpio_0_select(mode);
-        if (rslt < 0)return rslt;
-        _readByte(AXP202_GPIO0_CTL, 1, &val);
-        val &= 0b11111000;
-        val |= (uint8_t)rslt;
-        _writeByte(AXP202_GPIO0_CTL, 1, &val);
-        return AXP_PASS;
-    }
-    case AXP_GPIO_1: {
-        rslt = _axp202_gpio_1_select(mode);
-        if (rslt < 0)return rslt;
-        _readByte(AXP202_GPIO1_CTL, 1, &val);
-        val &= 0b11111000;
-        val |= (uint8_t)rslt;
-        _writeByte(AXP202_GPIO1_CTL, 1, &val);
-        return AXP_PASS;
-    }
-    case AXP_GPIO_2: {
-        rslt = _axp202_gpio_2_select(mode);
-        if (rslt < 0)return rslt;
-        _readByte(AXP202_GPIO2_CTL, 1, &val);
-        val &= 0b11111000;
-        val |= (uint8_t)rslt;
-        _writeByte(AXP202_GPIO2_CTL, 1, &val);
-        return AXP_PASS;
-    }
-    case AXP_GPIO_3: {
-        rslt = _axp202_gpio_3_select(mode);
-        if (rslt < 0)return rslt;
-        _readByte(AXP202_GPIO3_CTL, 1, &val);
-        val = rslt ? (val | BIT_MASK(2)) : (val & (~BIT_MASK(2)));
-        _writeByte(AXP202_GPIO3_CTL, 1, &val);
-        return AXP_PASS;
-    }
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-
-int AXP20X_Class::setGPIOMode(axp_gpio_t gpio, axp_gpio_mode_t mode)
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    switch (_chip_id) {
-    case AXP202_CHIP_ID:
-        return _axp202_gpio_set(gpio, mode);
-        break;
-    case AXP192_CHIP_ID:
-        return _axp192_gpio_set(gpio, mode);
-        break;
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-
-int AXP20X_Class::_axp_irq_mask(axp_gpio_irq_t irq)
-{
-    switch (irq) {
-    case AXP_IRQ_NONE:
-        return 0;
-    case AXP_IRQ_RISING:
-        return BIT_MASK(7);
-    case AXP_IRQ_FALLING:
-        return BIT_MASK(6);
-    case AXP_IRQ_DOUBLE_EDGE:
-        return 0b1100000;
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-int AXP20X_Class::_axp202_gpio_irq_set(axp_gpio_t gpio, axp_gpio_irq_t irq)
-{
-    uint8_t reg;
-    uint8_t val;
-    int mask;
-    mask = _axp_irq_mask(irq);
-
-    if (mask < 0)return mask;
-    switch (gpio) {
-    case AXP_GPIO_0:
-        reg = AXP202_GPIO0_CTL;
-        break;
-    case AXP_GPIO_1:
-        reg = AXP202_GPIO1_CTL;
-        break;
-    case AXP_GPIO_2:
-        reg = AXP202_GPIO2_CTL;
-        break;
-    case AXP_GPIO_3:
-        reg = AXP202_GPIO3_CTL;
-        break;
-    default:
-        return AXP_NOT_SUPPORT;
-    }
-    _readByte(reg, 1, &val);
-    val = mask == 0 ? (val & 0b00111111) : (val | mask);
-    _writeByte(reg, 1, &val);
-    return AXP_PASS;
-}
-
-
-int AXP20X_Class::setGPIOIrq(axp_gpio_t gpio, axp_gpio_irq_t irq)
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    switch (_chip_id) {
-    case AXP202_CHIP_ID:
-        return _axp202_gpio_irq_set(gpio, irq);
-    case AXP192_CHIP_ID:
-    case AXP173_CHIP_ID:
-        return AXP_NOT_SUPPORT;
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-int AXP20X_Class::setLDO5Voltage(axp_ldo5_table_t vol)
-{
-    const uint8_t params[] = {
-        0b11111000, //1.8V
-        0b11111001, //2.5V
-        0b11111010, //2.8V
-        0b11111011, //3.0V
-        0b11111100, //3.1V
-        0b11111101, //3.3V
-        0b11111110, //3.4V
-        0b11111111, //3.5V
-    };
-    if (!_init)
-        return AXP_NOT_INIT;
-    if (_chip_id != AXP202_CHIP_ID)
-        return AXP_NOT_SUPPORT;
-    if (vol > sizeof(params) / sizeof(params[0]))
-        return AXP_ARG_INVALID;
-    uint8_t val = 0;
-    _readByte(AXP202_GPIO0_VOL, 1, &val);
-    val &= 0b11111000;
-    val |= params[vol];
-    _writeByte(AXP202_GPIO0_VOL, 1, &val);
-    return AXP_PASS;
-}
-
-
-int AXP20X_Class::_axp202_gpio_write(axp_gpio_t gpio, uint8_t val)
-{
-    uint8_t reg;
-    uint8_t wVal = 0;
-    switch (gpio) {
-    case AXP_GPIO_0:
-        reg = AXP202_GPIO0_CTL;
-        break;
-    case AXP_GPIO_1:
-        reg = AXP202_GPIO1_CTL;
-        break;
-    case AXP_GPIO_2:
-        reg = AXP202_GPIO2_CTL;
-        if (val) {
-            return AXP_NOT_SUPPORT;
-        }
-        break;
-    case AXP_GPIO_3:
-        if (val) {
-            return AXP_NOT_SUPPORT;
-        }
-        _readByte(AXP202_GPIO3_CTL, 1, &wVal);
-        wVal &= 0b11111101;
-        _writeByte(AXP202_GPIO3_CTL, 1, &wVal);
-        return AXP_PASS;
-    default:
-        return AXP_NOT_SUPPORT;
-    }
-    _readByte(reg, 1, &wVal);
-    wVal = val ? (wVal | 1) : (wVal & 0b11111000);
-    _writeByte(reg, 1, &wVal);
-    return AXP_PASS;
-}
-
-int AXP20X_Class::_axp202_gpio_read(axp_gpio_t gpio)
-{
-    uint8_t val;
-    uint8_t reg = AXP202_GPIO012_SIGNAL;
-    uint8_t offset;
-    switch (gpio) {
-    case AXP_GPIO_0:
-        offset = 4;
-        break;
-    case AXP_GPIO_1:
-        offset = 5;
-        break;
-    case AXP_GPIO_2:
-        offset = 6;
-        break;
-    case AXP_GPIO_3:
-        reg = AXP202_GPIO3_CTL;
-        offset = 0;
-        break;
-    default:
-        return AXP_NOT_SUPPORT;
-    }
-    _readByte(reg, 1, &val);
-    return val & BIT_MASK(offset) ? 1 : 0;
-}
-
-int AXP20X_Class::gpioWrite(axp_gpio_t gpio, uint8_t val)
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    switch (_chip_id) {
-    case AXP202_CHIP_ID:
-        return _axp202_gpio_write(gpio, val);
-    case AXP192_CHIP_ID:
-    case AXP173_CHIP_ID:
-        return AXP_NOT_SUPPORT;
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-int AXP20X_Class::gpioRead(axp_gpio_t gpio)
-{
-    if (!_init)
-        return AXP_NOT_INIT;
-    switch (_chip_id) {
-    case AXP202_CHIP_ID:
-        return _axp202_gpio_read(gpio);
-    case AXP192_CHIP_ID:
-    case AXP173_CHIP_ID:
-        return AXP_NOT_SUPPORT;
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-
-
-int AXP20X_Class::getChargeControlCur()
-{
-    int cur;
-    uint8_t val;
-    if (!_init)
-        return AXP_NOT_INIT;
-    switch (_chip_id) {
-    case AXP202_CHIP_ID:
-        _readByte(AXP202_CHARGE1, 1, &val);
-        val &= 0x0F;
-        cur =  val * 100 + 300;
-        if (cur > 1800 || cur < 300)return 0;
-        return cur;
-    case AXP192_CHIP_ID:
-    case AXP173_CHIP_ID:
-        _readByte(AXP202_CHARGE1, 1, &val);
-        return val & 0x0F;
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
-int AXP20X_Class::setChargeControlCur(uint16_t mA)
-{
-    uint8_t val;
-    if (!_init)
-        return AXP_NOT_INIT;
-    switch (_chip_id) {
-    case AXP202_CHIP_ID:
-        _readByte(AXP202_CHARGE1, 1, &val);
-        val &= 0b11110000;
-        mA -= 300;
-        val |= (mA / 100);
-        _writeByte(AXP202_CHARGE1, 1, &val);
-        return AXP_PASS;
-    case AXP192_CHIP_ID:
-    case AXP173_CHIP_ID:
-        _readByte(AXP202_CHARGE1, 1, &val);
-        val &= 0b11110000;
-        if(mA > AXP1XX_CHARGE_CUR_1320MA)
-            mA = AXP1XX_CHARGE_CUR_1320MA;
-        val |= mA;
-        _writeByte(AXP202_CHARGE1, 1, &val);
-        return AXP_PASS;
-    default:
-        break;
-    }
-    return AXP_NOT_SUPPORT;
-}
-
+/////////////////////////////////////////////////////////////////
+/*
+MIT License
+
+Copyright (c) 2019 lewis he
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+axp20x.cpp - Arduino library for X-Power AXP202 chip.
+Created by Lewis he on April 1, 2019.
+github:https://github.com/lewisxhe/AXP202X_Libraries
+*/
+/////////////////////////////////////////////////////////////////
+
+#include "axp20x.h"
+#include <math.h>
+
+const uint8_t AXP20X_Class::startupParams[] = {
+    0b00000000,
+    0b01000000,
+    0b10000000,
+    0b11000000
+};
+
+const uint8_t AXP20X_Class::longPressParams[] = {
+    0b00000000,
+    0b00010000,
+    0b00100000,
+    0b00110000
+};
+
+const uint8_t AXP20X_Class::shutdownParams[] = {
+    0b00000000,
+    0b00000001,
+    0b00000010,
+    0b00000011
+};
+
+const uint8_t AXP20X_Class::targetVolParams[] = {
+    0b00000000,
+    0b00100000,
+    0b01000000,
+    0b01100000
+};
+
+
+
+// Power Output Control register
+uint8_t AXP20X_Class::_outputReg;
+
+int AXP20X_Class::_axp_probe()
+{
+    uint8_t data;
+    if (_isAxp173) {
+        //!Axp173 does not have a chip ID, read the status register to see if it reads normally
+        _readByte(0x01, 1, &data);
+        if (data == 0 || data == 0xFF) {
+            return AXP_FAIL;
+        }
+        _chip_id = AXP173_CHIP_ID;
+        _readByte(AXP202_LDO234_DC23_CTL, 1, &_outputReg);
+        AXP_DEBUG("OUTPUT Register 0x%x\n", _outputReg);
+        _init = true;
+        return AXP_PASS;
+    }
+    _readByte(AXP202_IC_TYPE, 1, &_chip_id);
+    AXP_DEBUG("chip id detect 0x%x\n", _chip_id);
+    if (_chip_id == AXP202_CHIP_ID || _chip_id == AXP192_CHIP_ID) {
+        AXP_DEBUG("Detect CHIP :%s\n", _chip_id == AXP202_CHIP_ID ? "AXP202" : "AXP192");
+        _readByte(AXP202_LDO234_DC23_CTL, 1, &_outputReg);
+        AXP_DEBUG("OUTPUT Register 0x%x\n", _outputReg);
+        _init = true;
+        return AXP_PASS;
+    }
+    return AXP_FAIL;
+}
+
+int AXP20X_Class::begin(TwoWire &port, uint8_t addr, bool isAxp173)
+{
+    _i2cPort = &port; //Grab which port the user wants us to use
+    _address = addr;
+    _isAxp173 = isAxp173;
+
+    return _axp_probe();
+}
+
+int AXP20X_Class::begin(axp_com_fptr_t read_cb, axp_com_fptr_t write_cb, uint8_t addr, bool isAxp173)
+{
+    if (read_cb == nullptr || write_cb == nullptr)return AXP_FAIL;
+    _read_cb = read_cb;
+    _write_cb = write_cb;
+    _address = addr;
+    _isAxp173 = isAxp173;
+    return _axp_probe();
+}
+
+//Only axp192 chip
+bool AXP20X_Class::isDCDC1Enable()
+{
+    if (_chip_id == AXP192_CHIP_ID)
+        return IS_OPEN(_outputReg, AXP192_DCDC1);
+    else if (_chip_id == AXP173_CHIP_ID)
+        return IS_OPEN(_outputReg, AXP173_DCDC1);
+    return false;
+}
+
+bool AXP20X_Class::isExtenEnable()
+{
+    if (_chip_id == AXP192_CHIP_ID)
+        return IS_OPEN(_outputReg, AXP192_EXTEN);
+    else if (_chip_id == AXP202_CHIP_ID)
+        return IS_OPEN(_outputReg, AXP202_EXTEN);
+    else if (_chip_id == AXP173_CHIP_ID) {
+        uint8_t data;
+        _readByte(AXP173_EXTEN_DC2_CTL, 1, &data);
+        return IS_OPEN(data, AXP173_CTL_EXTEN_BIT);
+    }
+    return false;
+}
+
+bool AXP20X_Class::isLDO2Enable()
+{
+    if (_chip_id == AXP173_CHIP_ID) {
+        return IS_OPEN(_outputReg, AXP173_LDO2);
+    }
+    //axp192 same axp202 ldo2 bit
+    return IS_OPEN(_outputReg, AXP202_LDO2);
+}
+
+bool AXP20X_Class::isLDO3Enable()
+{
+    if (_chip_id == AXP192_CHIP_ID)
+        return IS_OPEN(_outputReg, AXP192_LDO3);
+    else if (_chip_id == AXP202_CHIP_ID)
+        return IS_OPEN(_outputReg, AXP202_LDO3);
+    else if (_chip_id == AXP173_CHIP_ID)
+        return IS_OPEN(_outputReg, AXP173_LDO3);
+    return false;
+}
+
+bool AXP20X_Class::isLDO4Enable()
+{
+    if (_chip_id == AXP202_CHIP_ID)
+        return IS_OPEN(_outputReg, AXP202_LDO4);
+    if (_chip_id == AXP173_CHIP_ID)
+        return IS_OPEN(_outputReg, AXP173_LDO4);
+    return false;
+}
+
+bool AXP20X_Class::isDCDC2Enable()
+{
+    if (_chip_id == AXP173_CHIP_ID) {
+        uint8_t data;
+        _readByte(AXP173_EXTEN_DC2_CTL, 1, &data);
+        return IS_OPEN(data, AXP173_CTL_DC2_BIT);
+    }
+    //axp192 same axp202 dc2 bit
+    return IS_OPEN(_outputReg, AXP202_DCDC2);
+}
+
+bool AXP20X_Class::isDCDC3Enable()
+{
+    if (_chip_id == AXP173_CHIP_ID)
+        return false;
+    //axp192 same axp202 dc3 bit
+    return IS_OPEN(_outputReg, AXP202_DCDC3);
+}
+
+int AXP20X_Class::setPowerOutPut(uint8_t ch, bool en)
+{
+    uint8_t data;
+    uint8_t val = 0;
+    if (!_init)
+        return AXP_NOT_INIT;
+
+    //! Axp173 cannot use the REG12H register to control
+    //! DC2 and EXTEN. It is necessary to control REG10H separately.
+    if (_chip_id == AXP173_CHIP_ID) {
+        _readByte(AXP173_EXTEN_DC2_CTL, 1, &data);
+        if (ch & AXP173_DCDC2) {
+            data = en ? data | BIT_MASK(AXP173_CTL_DC2_BIT) : data & (~BIT_MASK(AXP173_CTL_DC2_BIT));
+            ch &= (~BIT_MASK(AXP173_DCDC2));
+            _writeByte(AXP173_EXTEN_DC2_CTL, 1, &data);
+        } else if (ch & AXP173_EXTEN) {
+            data = en ? data | BIT_MASK(AXP173_CTL_EXTEN_BIT) : data & (~BIT_MASK(AXP173_CTL_EXTEN_BIT));
+            ch &= (~BIT_MASK(AXP173_EXTEN));
+            _writeByte(AXP173_EXTEN_DC2_CTL, 1, &data);
+        }
+    }
+
+    _readByte(AXP202_LDO234_DC23_CTL, 1, &data);
+    if (en) {
+        data |= (1 << ch);
+    } else {
+        data &= (~(1 << ch));
+    }
+
+    if (_chip_id == AXP202_CHIP_ID) {
+        FORCED_OPEN_DCDC3(data); //! Must be forced open in T-Watch
+    }
+
+    _writeByte(AXP202_LDO234_DC23_CTL, 1, &data);
+    delay(1);
+    _readByte(AXP202_LDO234_DC23_CTL, 1, &val);
+    if (data == val) {
+        _outputReg = val;
+        return AXP_PASS;
+    }
+    return AXP_FAIL;
+}
+
+bool AXP20X_Class::isChargeing()
+{
+    uint8_t reg;
+    if (!_init)
+        return AXP_NOT_INIT;
+    _readByte(AXP202_MODE_CHGSTATUS, 1, &reg);
+    return IS_OPEN(reg, 6);
+}
+
+bool AXP20X_Class::isBatteryConnect()
+{
+    uint8_t reg;
+    if (!_init)
+        return AXP_NOT_INIT;
+    _readByte(AXP202_MODE_CHGSTATUS, 1, &reg);
+    return IS_OPEN(reg, 5);
+}
+
+float AXP20X_Class::getAcinVoltage()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    return _getRegistResult(AXP202_ACIN_VOL_H8, AXP202_ACIN_VOL_L4) * AXP202_ACIN_VOLTAGE_STEP;
+}
+
+float AXP20X_Class::getAcinCurrent()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    return _getRegistResult(AXP202_ACIN_CUR_H8, AXP202_ACIN_CUR_L4) * AXP202_ACIN_CUR_STEP;
+}
+
+float AXP20X_Class::getVbusVoltage()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    return _getRegistResult(AXP202_VBUS_VOL_H8, AXP202_VBUS_VOL_L4) * AXP202_VBUS_VOLTAGE_STEP;
+}
+
+float AXP20X_Class::getVbusCurrent()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    return _getRegistResult(AXP202_VBUS_CUR_H8, AXP202_VBUS_CUR_L4) * AXP202_VBUS_CUR_STEP;
+}
+
+float AXP20X_Class::getTemp()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    return _getRegistResult(AXP202_INTERNAL_TEMP_H8, AXP202_INTERNAL_TEMP_L4) * AXP202_INTERNAL_TEMP_STEP;
+}
+
+float AXP20X_Class::getTSTemp()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    return _getRegistResult(AXP202_TS_IN_H8, AXP202_TS_IN_L4) * AXP202_TS_PIN_OUT_STEP;
+}
+
+float AXP20X_Class::getGPIO0Voltage()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    return _getRegistResult(AXP202_GPIO0_VOL_ADC_H8, AXP202_GPIO0_VOL_ADC_L4) * AXP202_GPIO0_STEP;
+}
+
+float AXP20X_Class::getGPIO1Voltage()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    return _getRegistResult(AXP202_GPIO1_VOL_ADC_H8, AXP202_GPIO1_VOL_ADC_L4) * AXP202_GPIO1_STEP;
+}
+
+/*
+Note: the battery power formula:
+Pbat =2* register value * Voltage LSB * Current LSB / 1000.
+(Voltage LSB is 1.1mV; Current LSB is 0.5mA, and unit of calculation result is mW.)
+*/
+float AXP20X_Class::getBattInpower()
+{
+    float rslt;
+    uint8_t hv, mv, lv;
+    if (!_init)
+        return AXP_NOT_INIT;
+    _readByte(AXP202_BAT_POWERH8, 1, &hv);
+    _readByte(AXP202_BAT_POWERM8, 1, &mv);
+    _readByte(AXP202_BAT_POWERL8, 1, &lv);
+    rslt = (hv << 16) | (mv << 8) | lv;
+    rslt = 2 * rslt * 1.1 * 0.5 / 1000;
+    return rslt;
+}
+
+float AXP20X_Class::getBattVoltage()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    return _getRegistResult(AXP202_BAT_AVERVOL_H8, AXP202_BAT_AVERVOL_L4) * AXP202_BATT_VOLTAGE_STEP;
+}
+
+float AXP20X_Class::getBattChargeCurrent()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    switch (_chip_id) {
+    case AXP202_CHIP_ID:
+        return _getRegistResult(AXP202_BAT_AVERCHGCUR_H8, AXP202_BAT_AVERCHGCUR_L4) * AXP202_BATT_CHARGE_CUR_STEP;
+    case AXP192_CHIP_ID:
+        return _getRegistH8L5(AXP202_BAT_AVERCHGCUR_H8, AXP202_BAT_AVERCHGCUR_L5) * AXP202_BATT_CHARGE_CUR_STEP;
+    default:
+        return AXP_FAIL;
+    }
+}
+
+float AXP20X_Class::getBattDischargeCurrent()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    return _getRegistH8L5(AXP202_BAT_AVERDISCHGCUR_H8, AXP202_BAT_AVERDISCHGCUR_L5) * AXP202_BATT_DISCHARGE_CUR_STEP;
+}
+
+float AXP20X_Class::getSysIPSOUTVoltage()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    return _getRegistResult(AXP202_APS_AVERVOL_H8, AXP202_APS_AVERVOL_L4);
+}
+
+/*
+Coulomb calculation formula:
+C= 65536 * current LSB *（charge coulomb counter value - discharge coulomb counter value） /
+3600 / ADC sample rate. Refer to REG84H setting for ADC sample rate；the current LSB is
+0.5mA；unit of the calculation result is mAh. ）
+*/
+uint32_t AXP20X_Class::getBattChargeCoulomb()
+{
+    uint8_t buffer[4];
+    if (!_init)
+        return AXP_NOT_INIT;
+    _readByte(0xB0, 4, buffer);
+    return (buffer[0] << 24) + (buffer[1] << 16) + (buffer[2] << 8) + buffer[3];
+}
+
+uint32_t AXP20X_Class::getBattDischargeCoulomb()
+{
+    uint8_t buffer[4];
+    if (!_init)
+        return AXP_NOT_INIT;
+    _readByte(0xB4, 4, buffer);
+    return (buffer[0] << 24) + (buffer[1] << 16) + (buffer[2] << 8) + buffer[3];
+}
+
+float AXP20X_Class::getCoulombData()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    uint32_t charge = getBattChargeCoulomb(), discharge = getBattDischargeCoulomb();
+    uint8_t rate = getAdcSamplingRate();
+    float result = 65536.0 * 0.5 * (charge - discharge) / 3600.0 / rate;
+    return result;
+}
+
+
+//-------------------------------------------------------
+// New Coulomb functions  by MrFlexi
+//-------------------------------------------------------
+
+uint8_t AXP20X_Class::getCoulombRegister()
+{
+    uint8_t buffer;
+    if (!_init)
+        return AXP_NOT_INIT;
+    _readByte(AXP202_COULOMB_CTL, 1, &buffer);
+    return buffer;
+}
+
+
+int AXP20X_Class::setCoulombRegister(uint8_t val)
+{
+    if (!_init)
+        return AXP_NOT_INIT;    
+    _writeByte(AXP202_COULOMB_CTL, 1, &val);
+    return AXP_PASS;
+}
+
+
+int AXP20X_Class::EnableCoulombcounter(void)
+{
+   
+     if (!_init)
+        return AXP_NOT_INIT;    
+     uint8_t val = 0x80;    
+    _writeByte(AXP202_COULOMB_CTL, 1, &val);
+    return AXP_PASS;    
+}
+
+int AXP20X_Class::DisableCoulombcounter(void)
+{
+   
+     if (!_init)
+        return AXP_NOT_INIT;    
+     uint8_t val = 0x00;    
+    _writeByte(AXP202_COULOMB_CTL, 1, &val);
+    return AXP_PASS;    
+}
+
+int AXP20X_Class::StopCoulombcounter(void)
+{
+   
+     if (!_init)
+        return AXP_NOT_INIT;    
+     uint8_t val = 0xB8;    
+    _writeByte(AXP202_COULOMB_CTL, 1, &val);
+    return AXP_PASS;    
+}
+
+
+int AXP20X_Class::ClearCoulombcounter(void)
+{
+   
+     if (!_init)
+        return AXP_NOT_INIT;    
+     uint8_t val = 0xA0;    
+    _writeByte(AXP202_COULOMB_CTL, 1, &val);
+    return AXP_PASS;    
+}
+
+//-------------------------------------------------------
+// END 
+//-------------------------------------------------------
+
+
+
+uint8_t AXP20X_Class::getAdcSamplingRate()
+{
+    //axp192 same axp202 aregister address 0x84
+    if (!_init)
+        return AXP_NOT_INIT;
+    uint8_t val;
+    _readByte(AXP202_ADC_SPEED, 1, &val);
+    return 25 * (int)pow(2, (val & 0xC0) >> 6);
+}
+
+int AXP20X_Class::setAdcSamplingRate(axp_adc_sampling_rate_t rate)
+{
+    //axp192 same axp202 aregister address 0x84
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (rate > AXP_ADC_SAMPLING_RATE_200HZ)
+        return AXP_FAIL;
+    uint8_t val;
+    _readByte(AXP202_ADC_SPEED, 1, &val);
+    uint8_t rw = rate;
+    val &= 0x3F;
+    val |= (rw << 6);
+    _writeByte(AXP202_ADC_SPEED, 1, &val);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::setTSfunction(axp_ts_pin_function_t func)
+{
+    //axp192 same axp202 aregister address 0x84
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (func > AXP_TS_PIN_FUNCTION_ADC)
+        return AXP_FAIL;
+    uint8_t val;
+    _readByte(AXP202_ADC_SPEED, 1, &val);
+    uint8_t rw = func;
+    val &= 0xFA;
+    val |= (rw << 2);
+    _writeByte(AXP202_ADC_SPEED, 1, &val);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::setTScurrent(axp_ts_pin_current_t current)
+{
+    //axp192 same axp202 aregister address 0x84
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (current > AXP_TS_PIN_CURRENT_80UA)
+        return AXP_FAIL;
+    uint8_t val;
+    _readByte(AXP202_ADC_SPEED, 1, &val);
+    uint8_t rw = current;
+    val &= 0xCF;
+    val |= (rw << 4);
+    _writeByte(AXP202_ADC_SPEED, 1, &val);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::setTSmode(axp_ts_pin_mode_t mode)
+{
+    //axp192 same axp202 aregister address 0x84
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (mode > AXP_TS_PIN_MODE_ENABLE)
+        return AXP_FAIL;
+    uint8_t val;
+    _readByte(AXP202_ADC_SPEED, 1, &val);
+    uint8_t rw = mode;
+    val &= 0xFC;
+    val |= rw;
+    _writeByte(AXP202_ADC_SPEED, 1, &val);
+
+    // TS pin ADC function enable/disable
+    if (mode == AXP_TS_PIN_MODE_DISABLE)
+        adc1Enable(AXP202_TS_PIN_ADC1, false);
+    else
+        adc1Enable(AXP202_TS_PIN_ADC1, true);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::adc1Enable(uint16_t params, bool en)
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    uint8_t val;
+    _readByte(AXP202_ADC_EN1, 1, &val);
+    if (en)
+        val |= params;
+    else
+        val &= ~(params);
+    _writeByte(AXP202_ADC_EN1, 1, &val);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::adc2Enable(uint16_t params, bool en)
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    uint8_t val;
+    _readByte(AXP202_ADC_EN2, 1, &val);
+    if (en)
+        val |= params;
+    else
+        val &= ~(params);
+    _writeByte(AXP202_ADC_EN2, 1, &val);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::enableIRQ(uint64_t params, bool en)
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    uint8_t val, val1;
+    if (params & 0xFF) {
+        val1 = params & 0xFF;
+        _readByte(AXP202_INTEN1, 1, &val);
+        if (en)
+            val |= val1;
+        else
+            val &= ~(val1);
+        AXP_DEBUG("%s [0x%x]val:0x%x\n", en ? "enable" : "disable", AXP202_INTEN1, val);
+        _writeByte(AXP202_INTEN1, 1, &val);
+    }
+    if (params & 0xFF00) {
+        val1 = params >> 8;
+        _readByte(AXP202_INTEN2, 1, &val);
+        if (en)
+            val |= val1;
+        else
+            val &= ~(val1);
+        AXP_DEBUG("%s [0x%x]val:0x%x\n", en ? "enable" : "disable", AXP202_INTEN2, val);
+        _writeByte(AXP202_INTEN2, 1, &val);
+    }
+
+    if (params & 0xFF0000) {
+        val1 = params >> 16;
+        _readByte(AXP202_INTEN3, 1, &val);
+        if (en)
+            val |= val1;
+        else
+            val &= ~(val1);
+        AXP_DEBUG("%s [0x%x]val:0x%x\n", en ? "enable" : "disable", AXP202_INTEN3, val);
+        _writeByte(AXP202_INTEN3, 1, &val);
+    }
+
+    if (params & 0xFF000000) {
+        val1 = params >> 24;
+        _readByte(AXP202_INTEN4, 1, &val);
+        if (en)
+            val |= val1;
+        else
+            val &= ~(val1);
+        AXP_DEBUG("%s [0x%x]val:0x%x\n", en ? "enable" : "disable", AXP202_INTEN4, val);
+        _writeByte(AXP202_INTEN4, 1, &val);
+    }
+
+    if (params & 0xFF00000000) {
+        val1 = params >> 32;
+        _readByte(AXP202_INTEN5, 1, &val);
+        if (en)
+            val |= val1;
+        else
+            val &= ~(val1);
+        AXP_DEBUG("%s [0x%x]val:0x%x\n", en ? "enable" : "disable", AXP202_INTEN5, val);
+        _writeByte(AXP202_INTEN5, 1, &val);
+    }
+    return AXP_PASS;
+}
+
+int AXP20X_Class::readIRQ()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    switch (_chip_id) {
+    case AXP192_CHIP_ID:
+        for (int i = 0; i < 4; ++i) {
+            _readByte(AXP192_INTSTS1 + i, 1, &_irq[i]);
+        }
+        _readByte(AXP192_INTSTS5, 1, &_irq[4]);
+        return AXP_PASS;
+
+    case AXP202_CHIP_ID:
+        for (int i = 0; i < 5; ++i) {
+            _readByte(AXP202_INTSTS1 + i, 1, &_irq[i]);
+        }
+        return AXP_PASS;
+    default:
+        return AXP_FAIL;
+    }
+}
+
+void AXP20X_Class::clearIRQ()
+{
+    uint8_t val = 0xFF;
+    switch (_chip_id) {
+    case AXP192_CHIP_ID:
+        for (int i = 0; i < 3; i++) {
+            _writeByte(AXP192_INTSTS1 + i, 1, &val);
+        }
+        _writeByte(AXP192_INTSTS5, 1, &val);
+        break;
+    case AXP202_CHIP_ID:
+        for (int i = 0; i < 5; i++) {
+            _writeByte(AXP202_INTSTS1 + i, 1, &val);
+        }
+        break;
+    default:
+        break;
+    }
+    memset(_irq, 0, sizeof(_irq));
+}
+
+bool AXP20X_Class::isAcinOverVoltageIRQ()
+{
+    return (bool)(_irq[0] & BIT_MASK(7));
+}
+
+bool AXP20X_Class::isAcinPlugInIRQ()
+{
+    return (bool)(_irq[0] & BIT_MASK(6));
+}
+
+bool AXP20X_Class::isAcinRemoveIRQ()
+{
+    return (bool)(_irq[0] & BIT_MASK(5));
+}
+
+bool AXP20X_Class::isVbusOverVoltageIRQ()
+{
+    return (bool)(_irq[0] & BIT_MASK(4));
+}
+
+bool AXP20X_Class::isVbusPlugInIRQ()
+{
+    return (bool)(_irq[0] & BIT_MASK(3));
+}
+
+bool AXP20X_Class::isVbusRemoveIRQ()
+{
+    return (bool)(_irq[0] & BIT_MASK(2));
+}
+
+bool AXP20X_Class::isVbusLowVHOLDIRQ()
+{
+    return (bool)(_irq[0] & BIT_MASK(1));
+}
+
+bool AXP20X_Class::isBattPlugInIRQ()
+{
+    return (bool)(_irq[1] & BIT_MASK(7));
+}
+bool AXP20X_Class::isBattRemoveIRQ()
+{
+    return (bool)(_irq[1] & BIT_MASK(6));
+}
+bool AXP20X_Class::isBattEnterActivateIRQ()
+{
+    return (bool)(_irq[1] & BIT_MASK(5));
+}
+bool AXP20X_Class::isBattExitActivateIRQ()
+{
+    return (bool)(_irq[1] & BIT_MASK(4));
+}
+bool AXP20X_Class::isChargingIRQ()
+{
+    return (bool)(_irq[1] & BIT_MASK(3));
+}
+bool AXP20X_Class::isChargingDoneIRQ()
+{
+    return (bool)(_irq[1] & BIT_MASK(2));
+}
+bool AXP20X_Class::isBattTempLowIRQ()
+{
+    return (bool)(_irq[1] & BIT_MASK(1));
+}
+bool AXP20X_Class::isBattTempHighIRQ()
+{
+    return (bool)(_irq[1] & BIT_MASK(0));
+}
+
+bool AXP20X_Class::isPEKShortPressIRQ()
+{
+    return (bool)(_irq[2] & BIT_MASK(1));
+}
+
+bool AXP20X_Class::isPEKLongtPressIRQ()
+{
+    return (bool)(_irq[2] & BIT_MASK(0));
+}
+
+bool AXP20X_Class::isTimerTimeoutIRQ()
+{
+    return (bool)(_irq[4] & BIT_MASK(7));
+}
+
+bool AXP20X_Class::isVBUSPlug()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    uint8_t reg;
+    _readByte(AXP202_STATUS, 1, &reg);
+    return IS_OPEN(reg, 5);
+}
+
+int AXP20X_Class::setDCDC2Voltage(uint16_t mv)
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (mv < 700) {
+        AXP_DEBUG("DCDC2:Below settable voltage:700mV~2275mV");
+        mv = 700;
+    }
+    if (mv > 2275) {
+        AXP_DEBUG("DCDC2:Above settable voltage:700mV~2275mV");
+        mv = 2275;
+    }
+    uint8_t val = (mv - 700) / 25;
+    //! axp173/192/202 same register
+    _writeByte(AXP202_DC2OUT_VOL, 1, &val);
+    return AXP_PASS;
+}
+
+uint16_t AXP20X_Class::getDCDC2Voltage()
+{
+    uint8_t val = 0;
+    //! axp173/192/202 same register
+    _readByte(AXP202_DC2OUT_VOL, 1, &val);
+    return val * 25 + 700;
+}
+
+uint16_t AXP20X_Class::getDCDC3Voltage()
+{
+    if (!_init)
+        return 0;
+    if (_chip_id == AXP173_CHIP_ID)return AXP_NOT_SUPPORT;
+    uint8_t val = 0;
+    _readByte(AXP202_DC3OUT_VOL, 1, &val);
+    return val * 25 + 700;
+}
+
+int AXP20X_Class::setDCDC3Voltage(uint16_t mv)
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (_chip_id == AXP173_CHIP_ID)return AXP_NOT_SUPPORT;
+    if (mv < 700) {
+        AXP_DEBUG("DCDC3:Below settable voltage:700mV~3500mV");
+        mv = 700;
+    }
+    if (mv > 3500) {
+        AXP_DEBUG("DCDC3:Above settable voltage:700mV~3500mV");
+        mv = 3500;
+    }
+    uint8_t val = (mv - 700) / 25;
+    _writeByte(AXP202_DC3OUT_VOL, 1, &val);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::setLDO2Voltage(uint16_t mv)
+{
+    uint8_t rVal, wVal;
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (mv < 1800) {
+        AXP_DEBUG("LDO2:Below settable voltage:1800mV~3300mV");
+        mv = 1800;
+    }
+    if (mv > 3300) {
+        AXP_DEBUG("LDO2:Above settable voltage:1800mV~3300mV");
+        mv = 3300;
+    }
+    wVal = (mv - 1800) / 100;
+    if (_chip_id == AXP202_CHIP_ID) {
+        _readByte(AXP202_LDO24OUT_VOL, 1, &rVal);
+        rVal &= 0x0F;
+        rVal |= (wVal << 4);
+        _writeByte(AXP202_LDO24OUT_VOL, 1, &rVal);
+        return AXP_PASS;
+    } else if (_chip_id == AXP192_CHIP_ID || _chip_id == AXP173_CHIP_ID) {
+        _readByte(AXP192_LDO23OUT_VOL, 1, &rVal);
+        rVal &= 0x0F;
+        rVal |= (wVal << 4);
+        _writeByte(AXP192_LDO23OUT_VOL, 1, &rVal);
+        return AXP_PASS;
+    }
+    return AXP_FAIL;
+}
+
+uint16_t AXP20X_Class::getLDO2Voltage()
+{
+    uint8_t rVal;
+    if (_chip_id == AXP202_CHIP_ID) {
+        _readByte(AXP202_LDO24OUT_VOL, 1, &rVal);
+        rVal &= 0xF0;
+        rVal >>= 4;
+        return rVal * 100 + 1800;
+    } else if (_chip_id == AXP192_CHIP_ID || _chip_id == AXP173_CHIP_ID ) {
+        _readByte(AXP192_LDO23OUT_VOL, 1, &rVal);
+        AXP_DEBUG("get result:%x\n", rVal);
+        rVal &= 0xF0;
+        rVal >>= 4;
+        return rVal * 100 + 1800;
+    }
+    return 0;
+}
+
+int AXP20X_Class::setLDO3Voltage(uint16_t mv)
+{
+    uint8_t rVal;
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (_chip_id == AXP202_CHIP_ID && mv < 700) {
+        AXP_DEBUG("LDO3:Below settable voltage:700mV~3500mV");
+        mv = 700;
+    } else if (_chip_id == AXP192_CHIP_ID && mv < 1800) {
+        AXP_DEBUG("LDO3:Below settable voltage:1800mV~3300mV");
+        mv = 1800;
+    }
+
+    if (_chip_id == AXP202_CHIP_ID && mv > 3500) {
+        AXP_DEBUG("LDO3:Above settable voltage:700mV~3500mV");
+        mv = 3500;
+    } else if (_chip_id == AXP192_CHIP_ID && mv > 3300) {
+        AXP_DEBUG("LDO3:Above settable voltage:1800mV~3300mV");
+        mv = 3300;
+    }
+
+    if (_chip_id == AXP202_CHIP_ID) {
+        _readByte(AXP202_LDO3OUT_VOL, 1, &rVal);
+        rVal &= 0x80;
+        rVal |= ((mv - 700) / 25);
+        _writeByte(AXP202_LDO3OUT_VOL, 1, &rVal);
+        return AXP_PASS;
+    } else if (_chip_id == AXP192_CHIP_ID || _chip_id == AXP173_CHIP_ID) {
+        _readByte(AXP192_LDO23OUT_VOL, 1, &rVal);
+        rVal &= 0xF0;
+        rVal |= ((mv - 1800) / 100);
+        _writeByte(AXP192_LDO23OUT_VOL, 1, &rVal);
+        return AXP_PASS;
+    }
+    return AXP_FAIL;
+}
+
+uint16_t AXP20X_Class::getLDO3Voltage()
+{
+    uint8_t rVal;
+    if (!_init)
+        return AXP_NOT_INIT;
+
+    if (_chip_id == AXP202_CHIP_ID) {
+        _readByte(AXP202_LDO3OUT_VOL, 1, &rVal);
+        if (rVal & 0x80) {
+            //! According to the hardware N_VBUSEN Pin selection
+            return getVbusVoltage() * 1000;
+        } else {
+            return (rVal & 0x7F) * 25 + 700;
+        }
+    } else if (_chip_id == AXP192_CHIP_ID || _chip_id == AXP173_CHIP_ID) {
+        _readByte(AXP192_LDO23OUT_VOL, 1, &rVal);
+        rVal &= 0x0F;
+        return rVal * 100 + 1800;
+    }
+    return 0;
+}
+
+//! Only axp173 support
+int AXP20X_Class::setLDO4Voltage(uint16_t mv)
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (_chip_id != AXP173_CHIP_ID)
+        return AXP_FAIL;
+
+    if (mv < 700) {
+        AXP_DEBUG("LDO4:Below settable voltage:700mV~3500mV");
+        mv = 700;
+    }
+    if (mv > 3500) {
+        AXP_DEBUG("LDO4:Above settable voltage:700mV~3500mV");
+        mv = 3500;
+    }
+    uint8_t val = (mv - 700) / 25;
+    _writeByte(AXP173_LDO4_VLOTAGE, 1, &val);
+    return AXP_PASS;
+}
+
+uint16_t AXP20X_Class::getLDO4Voltage()
+{
+    const uint16_t ldo4_table[] = {1250, 1300, 1400, 1500, 1600, 1700, 1800, 1900, 2000, 2500, 2700, 2800, 3000, 3100, 3200, 3300};
+    if (!_init)
+        return 0;
+    uint8_t val = 0;
+    switch (_chip_id) {
+    case AXP173_CHIP_ID:
+        _readByte(AXP173_LDO4_VLOTAGE, 1, &val);
+        return val * 25 + 700;
+    case AXP202_CHIP_ID:
+        _readByte(AXP202_LDO24OUT_VOL, 1, &val);
+        val &= 0xF;
+        return ldo4_table[val];
+        break;
+    case AXP192_CHIP_ID:
+    default:
+        break;
+    }
+    return 0;
+}
+
+
+//! Only axp202 support
+int AXP20X_Class::setLDO4Voltage(axp_ldo4_table_t param)
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (_chip_id == AXP202_CHIP_ID) {
+        if (param >= AXP202_LDO4_MAX)
+            return AXP_INVALID;
+        uint8_t val;
+        _readByte(AXP202_LDO24OUT_VOL, 1, &val);
+        val &= 0xF0;
+        val |= param;
+        _writeByte(AXP202_LDO24OUT_VOL, 1, &val);
+        return AXP_PASS;
+    }
+    return AXP_FAIL;
+}
+
+//! Only AXP202 support
+// 0 : LDO  1 : DCIN
+int AXP20X_Class::setLDO3Mode(uint8_t mode)
+{
+    uint8_t val;
+    if (_chip_id != AXP202_CHIP_ID)
+        return AXP_FAIL;
+    _readByte(AXP202_LDO3OUT_VOL, 1, &val);
+    if (mode) {
+        val |= BIT_MASK(7);
+    } else {
+        val &= (~BIT_MASK(7));
+    }
+    _writeByte(AXP202_LDO3OUT_VOL, 1, &val);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::setStartupTime(uint8_t param)
+{
+    uint8_t val;
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (param > sizeof(startupParams) / sizeof(startupParams[0]))
+        return AXP_INVALID;
+    _readByte(AXP202_POK_SET, 1, &val);
+    val &= (~0b11000000);
+    val |= startupParams[param];
+    _writeByte(AXP202_POK_SET, 1, &val);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::setlongPressTime(uint8_t param)
+{
+    uint8_t val;
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (param > sizeof(longPressParams) / sizeof(longPressParams[0]))
+        return AXP_INVALID;
+    _readByte(AXP202_POK_SET, 1, &val);
+    val &= (~0b00110000);
+    val |= longPressParams[param];
+    _writeByte(AXP202_POK_SET, 1, &val);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::setShutdownTime(uint8_t param)
+{
+    uint8_t val;
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (param > sizeof(shutdownParams) / sizeof(shutdownParams[0]))
+        return AXP_INVALID;
+    _readByte(AXP202_POK_SET, 1, &val);
+    val &= (~0b00000011);
+    val |= shutdownParams[param];
+    _writeByte(AXP202_POK_SET, 1, &val);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::setTimeOutShutdown(bool en)
+{
+    uint8_t val;
+    if (!_init)
+        return AXP_NOT_INIT;
+    _readByte(AXP202_POK_SET, 1, &val);
+    if (en)
+        val |= (1 << 3);
+    else
+        val &= (~(1 << 3));
+    _writeByte(AXP202_POK_SET, 1, &val);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::shutdown()
+{
+    uint8_t val;
+    if (!_init)
+        return AXP_NOT_INIT;
+    _readByte(AXP202_OFF_CTL, 1, &val);
+    val |= (1 << 7);
+    _writeByte(AXP202_OFF_CTL, 1, &val);
+    return AXP_PASS;
+}
+
+float AXP20X_Class::getSettingChargeCurrent()
+{
+    uint8_t val;
+    if (!_init)
+        return AXP_NOT_INIT;
+    _readByte(AXP202_CHARGE1, 1, &val);
+    val &= 0b00000111;
+    float cur = 300.0 + val * 100.0;
+    AXP_DEBUG("Setting Charge current : %.2f mA\n", cur);
+    return cur;
+}
+
+bool AXP20X_Class::isChargeingEnable()
+{
+    uint8_t val;
+    if (!_init)
+        return false;
+    _readByte(AXP202_CHARGE1, 1, &val);
+    if (val & (1 << 7)) {
+        AXP_DEBUG("Charging enable is enable\n");
+        val = true;
+    } else {
+        AXP_DEBUG("Charging enable is disable\n");
+        val = false;
+    }
+    return val;
+}
+
+int AXP20X_Class::enableChargeing(bool en)
+{
+    uint8_t val;
+    if (!_init)
+        return AXP_NOT_INIT;
+    _readByte(AXP202_CHARGE1, 1, &val);
+    val |= (1 << 7);
+    _writeByte(AXP202_CHARGE1, 1, &val);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::setChargingTargetVoltage(axp_chargeing_vol_t param)
+{
+    uint8_t val;
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (param > sizeof(targetVolParams) / sizeof(targetVolParams[0]))
+        return AXP_INVALID;
+    _readByte(AXP202_CHARGE1, 1, &val);
+    val &= ~(0b01100000);
+    val |= targetVolParams[param];
+    _writeByte(AXP202_CHARGE1, 1, &val);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::getBattPercentage()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (_chip_id != AXP202_CHIP_ID)
+        return AXP_NOT_SUPPORT;
+    uint8_t val;
+    if (!isBatteryConnect())
+        return 0;
+    _readByte(AXP202_BATT_PERCENTAGE, 1, &val);
+    if (!(val & BIT_MASK(7))) {
+        return val & (~BIT_MASK(7));
+    }
+    return 0;
+}
+
+int AXP20X_Class::setChgLEDMode(axp_chgled_mode_t mode)
+{
+    uint8_t val;
+    _readByte(AXP202_OFF_CTL, 1, &val);
+    val &= 0b11001111;
+    val |= BIT_MASK(3);
+    switch (mode) {
+    case AXP20X_LED_OFF:
+        _writeByte(AXP202_OFF_CTL, 1, &val);
+        break;
+    case AXP20X_LED_BLINK_1HZ:
+        val |= 0b00010000;
+        _writeByte(AXP202_OFF_CTL, 1, &val);
+        break;
+    case AXP20X_LED_BLINK_4HZ:
+        val |= 0b00100000;
+        _writeByte(AXP202_OFF_CTL, 1, &val);
+        break;
+    case AXP20X_LED_LOW_LEVEL:
+        val |= 0b00110000;
+        _writeByte(AXP202_OFF_CTL, 1, &val);
+        break;
+    default:
+        return AXP_FAIL;
+    }
+    return AXP_PASS;
+}
+
+int AXP20X_Class::debugCharging()
+{
+    uint8_t val;
+    _readByte(AXP202_CHARGE1, 1, &val);
+    AXP_DEBUG("SRC REG:0x%x\n", val);
+    if (val & (1 << 7)) {
+        AXP_DEBUG("Charging enable is enable\n");
+    } else {
+        AXP_DEBUG("Charging enable is disable\n");
+    }
+    AXP_DEBUG("Charging target-voltage : 0x%x\n", ((val & 0b01100000) >> 5) & 0b11);
+    if (val & (1 << 4)) {
+        AXP_DEBUG("end when the charge current is lower than 15%% of the set value\n");
+    } else {
+        AXP_DEBUG(" end when the charge current is lower than 10%% of the set value\n");
+    }
+    val &= 0b00000111;
+    AXP_DEBUG("Charge current : %.2f mA\n", 300.0 + val * 100.0);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::debugStatus()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    uint8_t val, val1, val2;
+    _readByte(AXP202_STATUS, 1, &val);
+    _readByte(AXP202_MODE_CHGSTATUS, 1, &val1);
+    _readByte(AXP202_IPS_SET, 1, &val2);
+    AXP_DEBUG("AXP202_STATUS:   AXP202_MODE_CHGSTATUS   AXP202_IPS_SET\n");
+    AXP_DEBUG("0x%x\t\t\t 0x%x\t\t\t 0x%x\n", val, val1, val2);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::limitingOff()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    uint8_t val;
+    _readByte(AXP202_IPS_SET, 1, &val);
+    if (_chip_id == AXP202_CHIP_ID) {
+        val |= 0x03;
+    } else {
+        val &= ~(1 << 1);
+    }
+    _writeByte(AXP202_IPS_SET, 1, &val);
+    return AXP_PASS;
+}
+
+// Only AXP129 chip and AXP173
+int AXP20X_Class::setDCDC1Voltage(uint16_t mv)
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (_chip_id != AXP192_CHIP_ID && _chip_id != AXP173_CHIP_ID)
+        return AXP_FAIL;
+    if (mv < 700) {
+        AXP_DEBUG("DCDC1:Below settable voltage:700mV~3500mV");
+        mv = 700;
+    }
+    if (mv > 3500) {
+        AXP_DEBUG("DCDC1:Above settable voltage:700mV~3500mV");
+        mv = 3500;
+    }
+    uint8_t val = (mv - 700) / 25;
+    //! axp192 and axp173 dc1 control register same
+    _writeByte(AXP192_DC1_VLOTAGE, 1, &val);
+    return AXP_PASS;
+}
+
+// Only AXP129 chip and AXP173
+uint16_t AXP20X_Class::getDCDC1Voltage()
+{
+    if (_chip_id != AXP192_CHIP_ID && _chip_id != AXP173_CHIP_ID)
+        return AXP_FAIL;
+    uint8_t val = 0;
+    //! axp192 and axp173 dc1 control register same
+    _readByte(AXP192_DC1_VLOTAGE, 1, &val);
+    return val * 25 + 700;
+}
+
+
+/***********************************************
+ *              !!! TIMER FUNCTION !!!
+ * *********************************************/
+
+int AXP20X_Class::setTimer(uint8_t minutes)
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (_chip_id == AXP202_CHIP_ID) {
+        if (minutes > 63) {
+            return AXP_ARG_INVALID;
+        }
+        _writeByte(AXP202_TIMER_CTL, 1, &minutes);
+        return AXP_PASS;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+int AXP20X_Class::offTimer()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (_chip_id == AXP202_CHIP_ID) {
+        uint8_t minutes = 0x80;
+        _writeByte(AXP202_TIMER_CTL, 1, &minutes);
+        return AXP_PASS;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+int AXP20X_Class::clearTimerStatus()
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (_chip_id == AXP202_CHIP_ID) {
+        uint8_t val;
+        _readByte(AXP202_TIMER_CTL, 1, &val);
+        val |= 0x80;
+        _writeByte(AXP202_TIMER_CTL, 1, &val);
+        return AXP_PASS;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+/***********************************************
+ *              !!! GPIO FUNCTION !!!
+ * *********************************************/
+
+int AXP20X_Class::_axp192_gpio_0_select( axp_gpio_mode_t mode)
+{
+    switch (mode) {
+    case AXP_IO_OUTPUT_LOW_MODE:
+        return 0b101;
+    case AXP_IO_INPUT_MODE:
+        return 0b001;
+    case AXP_IO_LDO_MODE:
+        return 0b010;
+    case AXP_IO_ADC_MODE:
+        return 0b100;
+    case AXP_IO_FLOATING_MODE:
+        return 0b111;
+    case AXP_IO_OPEN_DRAIN_OUTPUT_MODE:
+        return 0;
+    case AXP_IO_OUTPUT_HIGH_MODE:
+    case AXP_IO_PWM_OUTPUT_MODE:
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+int AXP20X_Class::_axp192_gpio_1_select( axp_gpio_mode_t mode)
+{
+    switch (mode) {
+    case AXP_IO_OUTPUT_LOW_MODE:
+        return 0b101;
+    case AXP_IO_INPUT_MODE:
+        return 0b001;
+    case AXP_IO_ADC_MODE:
+        return 0b100;
+    case AXP_IO_FLOATING_MODE:
+        return 0b111;
+    case AXP_IO_OPEN_DRAIN_OUTPUT_MODE:
+        return 0;
+    case AXP_IO_PWM_OUTPUT_MODE:
+        return 0b010;
+    case AXP_IO_OUTPUT_HIGH_MODE:
+    case AXP_IO_LDO_MODE:
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+
+int AXP20X_Class::_axp192_gpio_3_select( axp_gpio_mode_t mode)
+{
+    switch (mode) {
+    case AXP_IO_EXTERN_CHARGING_CTRL_MODE:
+        return 0;
+    case AXP_IO_OPEN_DRAIN_OUTPUT_MODE:
+        return 1;
+    case AXP_IO_INPUT_MODE:
+        return 2;
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+int AXP20X_Class::_axp192_gpio_4_select( axp_gpio_mode_t mode)
+{
+    switch (mode) {
+    case AXP_IO_EXTERN_CHARGING_CTRL_MODE:
+        return 0;
+    case AXP_IO_OPEN_DRAIN_OUTPUT_MODE:
+        return 1;
+    case AXP_IO_INPUT_MODE:
+        return 2;
+    case AXP_IO_ADC_MODE:
+        return 3;
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+
+int AXP20X_Class::_axp192_gpio_set(axp_gpio_t gpio, axp_gpio_mode_t mode)
+{
+    int rslt;
+    uint8_t val;
+    switch (gpio) {
+    case AXP_GPIO_0: {
+        rslt = _axp192_gpio_0_select(mode);
+        if (rslt < 0)return rslt;
+        _readByte(AXP192_GPIO0_CTL, 1, &val);
+        val &= 0xF8;
+        val |= (uint8_t)rslt;
+        _writeByte(AXP192_GPIO0_CTL, 1, &val);
+        return AXP_PASS;
+    }
+    case AXP_GPIO_1: {
+        rslt = _axp192_gpio_1_select(mode);
+        if (rslt < 0)return rslt;
+        _readByte(AXP192_GPIO1_CTL, 1, &val);
+        val &= 0xF8;
+        val |= (uint8_t)rslt;
+        _writeByte(AXP192_GPIO1_CTL, 1, &val);
+        return AXP_PASS;
+    }
+    case AXP_GPIO_2: {
+        rslt = _axp192_gpio_1_select(mode);
+        if (rslt < 0)return rslt;
+        _readByte(AXP192_GPIO2_CTL, 1, &val);
+        val &= 0xF8;
+        val |= (uint8_t)rslt;
+        _writeByte(AXP192_GPIO2_CTL, 1, &val);
+        return AXP_PASS;
+    }
+    case AXP_GPIO_3: {
+        rslt = _axp192_gpio_3_select(mode);
+        if (rslt < 0)return rslt;
+        _readByte(AXP192_GPIO34_CTL, 1, &val);
+        val &= 0xFC;
+        val |= (uint8_t)rslt;
+        _writeByte(AXP192_GPIO34_CTL, 1, &val);
+        return AXP_PASS;
+    }
+    case AXP_GPIO_4: {
+        rslt = _axp192_gpio_4_select(mode);
+        if (rslt < 0)return rslt;
+        _readByte(AXP192_GPIO34_CTL, 1, &val);
+        val &= 0xF3;
+        val |= (uint8_t)rslt;
+        _writeByte(AXP192_GPIO34_CTL, 1, &val);
+        return AXP_PASS;
+    }
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+int AXP20X_Class::_axp202_gpio_0_select( axp_gpio_mode_t mode)
+{
+    switch (mode) {
+    case AXP_IO_OUTPUT_LOW_MODE:
+        return 0;
+    case AXP_IO_OUTPUT_HIGH_MODE:
+        return 1;
+    case AXP_IO_INPUT_MODE:
+        return 2;
+    case AXP_IO_LDO_MODE:
+        return 3;
+    case AXP_IO_ADC_MODE:
+        return 4;
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+int AXP20X_Class::_axp202_gpio_1_select( axp_gpio_mode_t mode)
+{
+    switch (mode) {
+    case AXP_IO_OUTPUT_LOW_MODE:
+        return 0;
+    case AXP_IO_OUTPUT_HIGH_MODE:
+        return 1;
+    case AXP_IO_INPUT_MODE:
+        return 2;
+    case AXP_IO_ADC_MODE:
+        return 4;
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+int AXP20X_Class::_axp202_gpio_2_select( axp_gpio_mode_t mode)
+{
+    switch (mode) {
+    case AXP_IO_OUTPUT_LOW_MODE:
+        return 0;
+    case AXP_IO_INPUT_MODE:
+        return 2;
+    case AXP_IO_FLOATING_MODE:
+        return 1;
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+
+int AXP20X_Class::_axp202_gpio_3_select(axp_gpio_mode_t mode)
+{
+    switch (mode) {
+    case AXP_IO_INPUT_MODE:
+        return 1;
+    case AXP_IO_OPEN_DRAIN_OUTPUT_MODE:
+        return 0;
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+int AXP20X_Class::_axp202_gpio_set(axp_gpio_t gpio, axp_gpio_mode_t mode)
+{
+    uint8_t val;
+    int rslt;
+    switch (gpio) {
+    case AXP_GPIO_0: {
+        rslt = _axp202_gpio_0_select(mode);
+        if (rslt < 0)return rslt;
+        _readByte(AXP202_GPIO0_CTL, 1, &val);
+        val &= 0b11111000;
+        val |= (uint8_t)rslt;
+        _writeByte(AXP202_GPIO0_CTL, 1, &val);
+        return AXP_PASS;
+    }
+    case AXP_GPIO_1: {
+        rslt = _axp202_gpio_1_select(mode);
+        if (rslt < 0)return rslt;
+        _readByte(AXP202_GPIO1_CTL, 1, &val);
+        val &= 0b11111000;
+        val |= (uint8_t)rslt;
+        _writeByte(AXP202_GPIO1_CTL, 1, &val);
+        return AXP_PASS;
+    }
+    case AXP_GPIO_2: {
+        rslt = _axp202_gpio_2_select(mode);
+        if (rslt < 0)return rslt;
+        _readByte(AXP202_GPIO2_CTL, 1, &val);
+        val &= 0b11111000;
+        val |= (uint8_t)rslt;
+        _writeByte(AXP202_GPIO2_CTL, 1, &val);
+        return AXP_PASS;
+    }
+    case AXP_GPIO_3: {
+        rslt = _axp202_gpio_3_select(mode);
+        if (rslt < 0)return rslt;
+        _readByte(AXP202_GPIO3_CTL, 1, &val);
+        val = rslt ? (val | BIT_MASK(2)) : (val & (~BIT_MASK(2)));
+        _writeByte(AXP202_GPIO3_CTL, 1, &val);
+        return AXP_PASS;
+    }
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+
+int AXP20X_Class::setGPIOMode(axp_gpio_t gpio, axp_gpio_mode_t mode)
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    switch (_chip_id) {
+    case AXP202_CHIP_ID:
+        return _axp202_gpio_set(gpio, mode);
+        break;
+    case AXP192_CHIP_ID:
+        return _axp192_gpio_set(gpio, mode);
+        break;
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+
+int AXP20X_Class::_axp_irq_mask(axp_gpio_irq_t irq)
+{
+    switch (irq) {
+    case AXP_IRQ_NONE:
+        return 0;
+    case AXP_IRQ_RISING:
+        return BIT_MASK(7);
+    case AXP_IRQ_FALLING:
+        return BIT_MASK(6);
+    case AXP_IRQ_DOUBLE_EDGE:
+        return 0b1100000;
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+int AXP20X_Class::_axp202_gpio_irq_set(axp_gpio_t gpio, axp_gpio_irq_t irq)
+{
+    uint8_t reg;
+    uint8_t val;
+    int mask;
+    mask = _axp_irq_mask(irq);
+
+    if (mask < 0)return mask;
+    switch (gpio) {
+    case AXP_GPIO_0:
+        reg = AXP202_GPIO0_CTL;
+        break;
+    case AXP_GPIO_1:
+        reg = AXP202_GPIO1_CTL;
+        break;
+    case AXP_GPIO_2:
+        reg = AXP202_GPIO2_CTL;
+        break;
+    case AXP_GPIO_3:
+        reg = AXP202_GPIO3_CTL;
+        break;
+    default:
+        return AXP_NOT_SUPPORT;
+    }
+    _readByte(reg, 1, &val);
+    val = mask == 0 ? (val & 0b00111111) : (val | mask);
+    _writeByte(reg, 1, &val);
+    return AXP_PASS;
+}
+
+
+int AXP20X_Class::setGPIOIrq(axp_gpio_t gpio, axp_gpio_irq_t irq)
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    switch (_chip_id) {
+    case AXP202_CHIP_ID:
+        return _axp202_gpio_irq_set(gpio, irq);
+    case AXP192_CHIP_ID:
+    case AXP173_CHIP_ID:
+        return AXP_NOT_SUPPORT;
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+int AXP20X_Class::setLDO5Voltage(axp_ldo5_table_t vol)
+{
+    const uint8_t params[] = {
+        0b11111000, //1.8V
+        0b11111001, //2.5V
+        0b11111010, //2.8V
+        0b11111011, //3.0V
+        0b11111100, //3.1V
+        0b11111101, //3.3V
+        0b11111110, //3.4V
+        0b11111111, //3.5V
+    };
+    if (!_init)
+        return AXP_NOT_INIT;
+    if (_chip_id != AXP202_CHIP_ID)
+        return AXP_NOT_SUPPORT;
+    if (vol > sizeof(params) / sizeof(params[0]))
+        return AXP_ARG_INVALID;
+    uint8_t val = 0;
+    _readByte(AXP202_GPIO0_VOL, 1, &val);
+    val &= 0b11111000;
+    val |= params[vol];
+    _writeByte(AXP202_GPIO0_VOL, 1, &val);
+    return AXP_PASS;
+}
+
+
+int AXP20X_Class::_axp202_gpio_write(axp_gpio_t gpio, uint8_t val)
+{
+    uint8_t reg;
+    uint8_t wVal = 0;
+    switch (gpio) {
+    case AXP_GPIO_0:
+        reg = AXP202_GPIO0_CTL;
+        break;
+    case AXP_GPIO_1:
+        reg = AXP202_GPIO1_CTL;
+        break;
+    case AXP_GPIO_2:
+        reg = AXP202_GPIO2_CTL;
+        if (val) {
+            return AXP_NOT_SUPPORT;
+        }
+        break;
+    case AXP_GPIO_3:
+        if (val) {
+            return AXP_NOT_SUPPORT;
+        }
+        _readByte(AXP202_GPIO3_CTL, 1, &wVal);
+        wVal &= 0b11111101;
+        _writeByte(AXP202_GPIO3_CTL, 1, &wVal);
+        return AXP_PASS;
+    default:
+        return AXP_NOT_SUPPORT;
+    }
+    _readByte(reg, 1, &wVal);
+    wVal = val ? (wVal | 1) : (wVal & 0b11111000);
+    _writeByte(reg, 1, &wVal);
+    return AXP_PASS;
+}
+
+int AXP20X_Class::_axp202_gpio_read(axp_gpio_t gpio)
+{
+    uint8_t val;
+    uint8_t reg = AXP202_GPIO012_SIGNAL;
+    uint8_t offset;
+    switch (gpio) {
+    case AXP_GPIO_0:
+        offset = 4;
+        break;
+    case AXP_GPIO_1:
+        offset = 5;
+        break;
+    case AXP_GPIO_2:
+        offset = 6;
+        break;
+    case AXP_GPIO_3:
+        reg = AXP202_GPIO3_CTL;
+        offset = 0;
+        break;
+    default:
+        return AXP_NOT_SUPPORT;
+    }
+    _readByte(reg, 1, &val);
+    return val & BIT_MASK(offset) ? 1 : 0;
+}
+
+int AXP20X_Class::gpioWrite(axp_gpio_t gpio, uint8_t val)
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    switch (_chip_id) {
+    case AXP202_CHIP_ID:
+        return _axp202_gpio_write(gpio, val);
+    case AXP192_CHIP_ID:
+    case AXP173_CHIP_ID:
+        return AXP_NOT_SUPPORT;
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+int AXP20X_Class::gpioRead(axp_gpio_t gpio)
+{
+    if (!_init)
+        return AXP_NOT_INIT;
+    switch (_chip_id) {
+    case AXP202_CHIP_ID:
+        return _axp202_gpio_read(gpio);
+    case AXP192_CHIP_ID:
+    case AXP173_CHIP_ID:
+        return AXP_NOT_SUPPORT;
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+
+
+int AXP20X_Class::getChargeControlCur()
+{
+    int cur;
+    uint8_t val;
+    if (!_init)
+        return AXP_NOT_INIT;
+    switch (_chip_id) {
+    case AXP202_CHIP_ID:
+        _readByte(AXP202_CHARGE1, 1, &val);
+        val &= 0x0F;
+        cur =  val * 100 + 300;
+        if (cur > 1800 || cur < 300)return 0;
+        return cur;
+    case AXP192_CHIP_ID:
+    case AXP173_CHIP_ID:
+        _readByte(AXP202_CHARGE1, 1, &val);
+        return val & 0x0F;
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
+int AXP20X_Class::setChargeControlCur(uint16_t mA)
+{
+    uint8_t val;
+    if (!_init)
+        return AXP_NOT_INIT;
+    switch (_chip_id) {
+    case AXP202_CHIP_ID:
+        _readByte(AXP202_CHARGE1, 1, &val);
+        val &= 0b11110000;
+        mA -= 300;
+        val |= (mA / 100);
+        _writeByte(AXP202_CHARGE1, 1, &val);
+        return AXP_PASS;
+    case AXP192_CHIP_ID:
+    case AXP173_CHIP_ID:
+        _readByte(AXP202_CHARGE1, 1, &val);
+        val &= 0b11110000;
+        if(mA > AXP1XX_CHARGE_CUR_1320MA)
+            mA = AXP1XX_CHARGE_CUR_1320MA;
+        val |= mA;
+        _writeByte(AXP202_CHARGE1, 1, &val);
+        return AXP_PASS;
+    default:
+        break;
+    }
+    return AXP_NOT_SUPPORT;
+}
+
diff --git a/lib/libesp32/TTGO_TWatch_Library/src/axp20x.h b/lib/libesp32_div/TTGO_TWatch_Library/src/axp20x.h
old mode 100755
new mode 100644
similarity index 96%
rename from lib/libesp32/TTGO_TWatch_Library/src/axp20x.h
rename to lib/libesp32_div/TTGO_TWatch_Library/src/axp20x.h
index f2ca85a77..b7f19ae7b
--- a/lib/libesp32/TTGO_TWatch_Library/src/axp20x.h
+++ b/lib/libesp32_div/TTGO_TWatch_Library/src/axp20x.h
@@ -1,827 +1,827 @@
-/////////////////////////////////////////////////////////////////
-/*
-MIT License
-
-Copyright (c) 2019 lewis he
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
-axp20x.h - Arduino library for X-Power AXP202 chip.
-Created by Lewis he on April 1, 2019.
-github:https://github.com/lewisxhe/AXP202X_Libraries
-*/
-/////////////////////////////////////////////////////////////////
-#pragma once
-
-#include <Arduino.h>
-#include <Wire.h>
-
-// #define AXP_DEBUG_PORT  Serial
-#ifdef AXP_DEBUG_PORT
-#define AXP_DEBUG(fmt, ...) AXP_DEBUG_PORT.printf_P((PGM_P)PSTR(fmt), ##__VA_ARGS__)
-#else
-#define AXP_DEBUG(...)
-#endif
-
-#ifndef RISING
-#define RISING 0x01
-#endif
-
-#ifndef FALLING
-#define FALLING 0x02
-#endif
-
-#ifdef _BV
-#undef _BV
-#endif
-#define _BV(b) (1ULL << (b))
-
-//! Error Code
-#define AXP_PASS            (0)
-#define AXP_FAIL            (-1)
-#define AXP_INVALID         (-2)
-#define AXP_NOT_INIT        (-3)
-#define AXP_NOT_SUPPORT     (-4)
-#define AXP_ARG_INVALID     (-5)
-
-//! Chip Address
-#define AXP202_SLAVE_ADDRESS (0x35)
-#define AXP192_SLAVE_ADDRESS (0x34)
-#define AXP173_SLAVE_ADDRESS (0x34)
-
-//! Chip ID
-#define AXP202_CHIP_ID 0x41
-#define AXP192_CHIP_ID 0x03
-#define AXP173_CHIP_ID 0xAD     //!Axp173 does not have a chip ID, given a custom ID
-
-//! Logic states
-#define AXP202_ON 1
-#define AXP202_OFF 0
-
-//! REG MAP
-#define AXP202_STATUS (0x00)
-#define AXP202_MODE_CHGSTATUS (0x01)
-#define AXP202_OTG_STATUS (0x02)
-#define AXP202_IC_TYPE (0x03)
-#define AXP202_DATA_BUFFER1 (0x04)
-#define AXP202_DATA_BUFFER2 (0x05)
-#define AXP202_DATA_BUFFER3 (0x06)
-#define AXP202_DATA_BUFFER4 (0x07)
-#define AXP202_DATA_BUFFER5 (0x08)
-#define AXP202_DATA_BUFFER6 (0x09)
-#define AXP202_DATA_BUFFER7 (0x0A)
-#define AXP202_DATA_BUFFER8 (0x0B)
-#define AXP202_DATA_BUFFER9 (0x0C)
-#define AXP202_DATA_BUFFERA (0x0D)
-#define AXP202_DATA_BUFFERB (0x0E)
-#define AXP202_DATA_BUFFERC (0x0F)
-#define AXP202_LDO234_DC23_CTL (0x12)
-#define AXP202_DC2OUT_VOL (0x23)
-#define AXP202_LDO3_DC2_DVM (0x25)
-#define AXP202_DC3OUT_VOL (0x27)
-#define AXP202_LDO24OUT_VOL (0x28)
-#define AXP202_LDO3OUT_VOL (0x29)
-#define AXP202_IPS_SET (0x30)
-#define AXP202_VOFF_SET (0x31)
-#define AXP202_OFF_CTL (0x32)
-#define AXP202_CHARGE1 (0x33)
-#define AXP202_CHARGE2 (0x34)
-#define AXP202_BACKUP_CHG (0x35)
-#define AXP202_POK_SET (0x36)
-#define AXP202_DCDC_FREQSET (0x37)
-#define AXP202_VLTF_CHGSET (0x38)
-#define AXP202_VHTF_CHGSET (0x39)
-#define AXP202_APS_WARNING1 (0x3A)
-#define AXP202_APS_WARNING2 (0x3B)
-#define AXP202_TLTF_DISCHGSET (0x3C)
-#define AXP202_THTF_DISCHGSET (0x3D)
-#define AXP202_DCDC_MODESET (0x80)
-#define AXP202_ADC_EN1 (0x82)
-#define AXP202_ADC_EN2 (0x83)
-#define AXP202_ADC_SPEED (0x84)
-#define AXP202_ADC_INPUTRANGE (0x85)
-#define AXP202_ADC_IRQ_RETFSET (0x86)
-#define AXP202_ADC_IRQ_FETFSET (0x87)
-#define AXP202_TIMER_CTL (0x8A)
-#define AXP202_VBUS_DET_SRP (0x8B)
-#define AXP202_HOTOVER_CTL (0x8F)
-#define AXP202_GPIO0_CTL (0x90)
-#define AXP202_GPIO0_VOL (0x91)
-#define AXP202_GPIO1_CTL (0x92)
-#define AXP202_GPIO2_CTL (0x93)
-#define AXP202_GPIO012_SIGNAL (0x94)
-#define AXP202_GPIO3_CTL (0x95)
-#define AXP202_INTEN1 (0x40)
-#define AXP202_INTEN2 (0x41)
-#define AXP202_INTEN3 (0x42)
-#define AXP202_INTEN4 (0x43)
-#define AXP202_INTEN5 (0x44)
-#define AXP202_INTSTS1 (0x48)
-#define AXP202_INTSTS2 (0x49)
-#define AXP202_INTSTS3 (0x4A)
-#define AXP202_INTSTS4 (0x4B)
-#define AXP202_INTSTS5 (0x4C)
-
-//Irq control register
-#define AXP192_INTEN1 (0x40)
-#define AXP192_INTEN2 (0x41)
-#define AXP192_INTEN3 (0x42)
-#define AXP192_INTEN4 (0x43)
-#define AXP192_INTEN5 (0x4A)
-//Irq status register
-#define AXP192_INTSTS1 (0x44)
-#define AXP192_INTSTS2 (0x45)
-#define AXP192_INTSTS3 (0x46)
-#define AXP192_INTSTS4 (0x47)
-#define AXP192_INTSTS5 (0x4D)
-
-#define AXP192_DC1_VLOTAGE (0x26)
-#define AXP192_LDO23OUT_VOL (0x28)
-#define AXP192_GPIO0_CTL (0x90)
-#define AXP192_GPIO0_VOL (0x91)
-#define AXP192_GPIO1_CTL (0X92)
-#define AXP192_GPIO2_CTL (0x93)
-#define AXP192_GPIO012_SIGNAL (0x94)
-#define AXP192_GPIO34_CTL (0x95)
-
-
-
-/* axp 192/202 adc data register */
-#define AXP202_BAT_AVERVOL_H8 (0x78)
-#define AXP202_BAT_AVERVOL_L4 (0x79)
-#define AXP202_BAT_AVERCHGCUR_H8 (0x7A)
-#define AXP202_BAT_AVERCHGCUR_L4 (0x7B)
-#define AXP202_BAT_AVERCHGCUR_L5 (0x7B)
-#define AXP202_ACIN_VOL_H8 (0x56)
-#define AXP202_ACIN_VOL_L4 (0x57)
-#define AXP202_ACIN_CUR_H8 (0x58)
-#define AXP202_ACIN_CUR_L4 (0x59)
-#define AXP202_VBUS_VOL_H8 (0x5A)
-#define AXP202_VBUS_VOL_L4 (0x5B)
-#define AXP202_VBUS_CUR_H8 (0x5C)
-#define AXP202_VBUS_CUR_L4 (0x5D)
-#define AXP202_INTERNAL_TEMP_H8 (0x5E)
-#define AXP202_INTERNAL_TEMP_L4 (0x5F)
-#define AXP202_TS_IN_H8 (0x62)
-#define AXP202_TS_IN_L4 (0x63)
-#define AXP202_GPIO0_VOL_ADC_H8 (0x64)
-#define AXP202_GPIO0_VOL_ADC_L4 (0x65)
-#define AXP202_GPIO1_VOL_ADC_H8 (0x66)
-#define AXP202_GPIO1_VOL_ADC_L4 (0x67)
-
-#define AXP202_BAT_AVERDISCHGCUR_H8 (0x7C)
-#define AXP202_BAT_AVERDISCHGCUR_L5 (0x7D)
-#define AXP202_APS_AVERVOL_H8 (0x7E)
-#define AXP202_APS_AVERVOL_L4 (0x7F)
-#define AXP202_INT_BAT_CHGCUR_H8 (0xA0)
-#define AXP202_INT_BAT_CHGCUR_L4 (0xA1)
-#define AXP202_EXT_BAT_CHGCUR_H8 (0xA2)
-#define AXP202_EXT_BAT_CHGCUR_L4 (0xA3)
-#define AXP202_INT_BAT_DISCHGCUR_H8 (0xA4)
-#define AXP202_INT_BAT_DISCHGCUR_L4 (0xA5)
-#define AXP202_EXT_BAT_DISCHGCUR_H8 (0xA6)
-#define AXP202_EXT_BAT_DISCHGCUR_L4 (0xA7)
-#define AXP202_BAT_CHGCOULOMB3 (0xB0)
-#define AXP202_BAT_CHGCOULOMB2 (0xB1)
-#define AXP202_BAT_CHGCOULOMB1 (0xB2)
-#define AXP202_BAT_CHGCOULOMB0 (0xB3)
-#define AXP202_BAT_DISCHGCOULOMB3 (0xB4)
-#define AXP202_BAT_DISCHGCOULOMB2 (0xB5)
-#define AXP202_BAT_DISCHGCOULOMB1 (0xB6)
-#define AXP202_BAT_DISCHGCOULOMB0 (0xB7)
-#define AXP202_COULOMB_CTL (0xB8)
-#define AXP202_BAT_POWERH8 (0x70)
-#define AXP202_BAT_POWERM8 (0x71)
-#define AXP202_BAT_POWERL8 (0x72)
-
-#define AXP202_VREF_TEM_CTRL (0xF3)
-#define AXP202_BATT_PERCENTAGE (0xB9)
-
-/* bit definitions for AXP events, irq event */
-/*  AXP202  */
-#define AXP202_IRQ_USBLO (1)
-#define AXP202_IRQ_USBRE (2)
-#define AXP202_IRQ_USBIN (3)
-#define AXP202_IRQ_USBOV (4)
-#define AXP202_IRQ_ACRE (5)
-#define AXP202_IRQ_ACIN (6)
-#define AXP202_IRQ_ACOV (7)
-
-#define AXP202_IRQ_TEMLO (8)
-#define AXP202_IRQ_TEMOV (9)
-#define AXP202_IRQ_CHAOV (10)
-#define AXP202_IRQ_CHAST (11)
-#define AXP202_IRQ_BATATOU (12)
-#define AXP202_IRQ_BATATIN (13)
-#define AXP202_IRQ_BATRE (14)
-#define AXP202_IRQ_BATIN (15)
-
-#define AXP202_IRQ_POKLO (16)
-#define AXP202_IRQ_POKSH (17)
-#define AXP202_IRQ_LDO3LO (18)
-#define AXP202_IRQ_DCDC3LO (19)
-#define AXP202_IRQ_DCDC2LO (20)
-#define AXP202_IRQ_CHACURLO (22)
-#define AXP202_IRQ_ICTEMOV (23)
-
-#define AXP202_IRQ_EXTLOWARN2 (24)
-#define AXP202_IRQ_EXTLOWARN1 (25)
-#define AXP202_IRQ_SESSION_END (26)
-#define AXP202_IRQ_SESS_AB_VALID (27)
-#define AXP202_IRQ_VBUS_UN_VALID (28)
-#define AXP202_IRQ_VBUS_VALID (29)
-#define AXP202_IRQ_PDOWN_BY_NOE (30)
-#define AXP202_IRQ_PUP_BY_NOE (31)
-
-#define AXP202_IRQ_GPIO0TG (32)
-#define AXP202_IRQ_GPIO1TG (33)
-#define AXP202_IRQ_GPIO2TG (34)
-#define AXP202_IRQ_GPIO3TG (35)
-#define AXP202_IRQ_PEKFE (37)
-#define AXP202_IRQ_PEKRE (38)
-#define AXP202_IRQ_TIMER (39)
-
-//Signal Capture
-#define AXP202_BATT_VOLTAGE_STEP (1.1F)
-#define AXP202_BATT_DISCHARGE_CUR_STEP (0.5F)
-#define AXP202_BATT_CHARGE_CUR_STEP (0.5F)
-#define AXP202_ACIN_VOLTAGE_STEP (1.7F)
-#define AXP202_ACIN_CUR_STEP (0.625F)
-#define AXP202_VBUS_VOLTAGE_STEP (1.7F)
-#define AXP202_VBUS_CUR_STEP (0.375F)
-#define AXP202_INTERNAL_TEMP_STEP (0.1F)
-#define AXP202_APS_VOLTAGE_STEP (1.4F)
-#define AXP202_TS_PIN_OUT_STEP (0.8F)
-#define AXP202_GPIO0_STEP (0.5F)
-#define AXP202_GPIO1_STEP (0.5F)
-// AXP192 only
-#define AXP202_GPIO2_STEP (0.5F)
-#define AXP202_GPIO3_STEP (0.5F)
-
-// AXP173
-#define AXP173_EXTEN_DC2_CTL   (0x10)
-#define AXP173_CTL_DC2_BIT      (0)
-#define AXP173_CTL_EXTEN_BIT    (2)
-#define AXP173_DC1_VLOTAGE      (0x26)
-#define AXP173_LDO4_VLOTAGE     (0x27)
-
-#define FORCED_OPEN_DCDC3(x) (x |= (AXP202_ON << AXP202_DCDC3))
-#define BIT_MASK(x) (1 << x)
-#define IS_OPEN(reg, channel) (bool)(reg & BIT_MASK(channel))
-
-enum {
-    AXP202_EXTEN = 0,
-    AXP202_DCDC3 = 1,
-    AXP202_LDO2 = 2,
-    AXP202_LDO4 = 3,
-    AXP202_DCDC2 = 4,
-    AXP202_LDO3 = 6,
-    AXP202_OUTPUT_MAX,
-};
-
-enum {
-    AXP192_DCDC1 = 0,
-    AXP192_DCDC3 = 1,
-    AXP192_LDO2 = 2,
-    AXP192_LDO3 = 3,
-    AXP192_DCDC2 = 4,
-    AXP192_EXTEN = 6,
-    AXP192_OUTPUT_MAX,
-};
-
-enum {
-    AXP173_DCDC1 = 0,
-    AXP173_LDO4 = 1,
-    AXP173_LDO2 = 2,
-    AXP173_LDO3 = 3,
-    AXP173_DCDC2 = 4,
-    AXP173_EXTEN = 6,
-    AXP173_OUTPUT_MAX,
-};
-
-typedef enum {
-    AXP202_STARTUP_TIME_128MS,
-    AXP202_STARTUP_TIME_3S,
-    AXP202_STARTUP_TIME_1S,
-    AXP202_STARTUP_TIME_2S,
-} axp202_startup_time_t;
-
-typedef enum {
-    AXP192_STARTUP_TIME_128MS,
-    AXP192_STARTUP_TIME_512MS,
-    AXP192_STARTUP_TIME_1S,
-    AXP192_STARTUP_TIME_2S,
-} axp192_startup_time_t;
-
-typedef enum {
-    AXP_LONGPRESS_TIME_1S,
-    AXP_LONGPRESS_TIME_1S5,
-    AXP_LONGPRESS_TIME_2S,
-    AXP_LONGPRESS_TIME_2S5,
-} axp_loonPress_time_t;
-
-typedef enum {
-    AXP_POWER_OFF_TIME_4S,
-    AXP_POWER_OFF_TIME_65,
-    AXP_POWER_OFF_TIME_8S,
-    AXP_POWER_OFF_TIME_16S,
-} axp_poweroff_time_t;
-
-//REG 33H: Charging control 1 Charging target-voltage setting
-typedef enum {
-    AXP202_TARGET_VOL_4_1V,
-    AXP202_TARGET_VOL_4_15V,
-    AXP202_TARGET_VOL_4_2V,
-    AXP202_TARGET_VOL_4_36V
-} axp_chargeing_vol_t;
-
-//REG 82H: ADC Enable 1 register Parameter
-typedef enum {
-    AXP202_BATT_VOL_ADC1 = 1 << 7,
-    AXP202_BATT_CUR_ADC1 = 1 << 6,
-    AXP202_ACIN_VOL_ADC1 = 1 << 5,
-    AXP202_ACIN_CUR_ADC1 = 1 << 4,
-    AXP202_VBUS_VOL_ADC1 = 1 << 3,
-    AXP202_VBUS_CUR_ADC1 = 1 << 2,
-    AXP202_APS_VOL_ADC1 = 1 << 1,
-    AXP202_TS_PIN_ADC1 = 1 << 0
-} axp_adc1_func_t;
-
-// REG 83H: ADC Enable 2 register Parameter
-typedef enum {
-    AXP202_TEMP_MONITORING_ADC2 = 1 << 7,
-    AXP202_GPIO1_FUNC_ADC2 = 1 << 3,
-    AXP202_GPIO0_FUNC_ADC2 = 1 << 2
-} axp_adc2_func_t;
-
-typedef enum {
-    AXP202_LDO3_MODE_LDO,
-    AXP202_LDO3_MODE_DCIN
-} axp202_ldo3_mode_t;
-
-
-
-typedef enum {
-    //! IRQ1 REG 40H
-    AXP202_VBUS_VHOLD_LOW_IRQ       = _BV(1),   //VBUS is available, but lower than V HOLD, IRQ enable
-    AXP202_VBUS_REMOVED_IRQ         = _BV(2),   //VBUS removed, IRQ enable
-    AXP202_VBUS_CONNECT_IRQ         = _BV(3),   //VBUS connected, IRQ enable
-    AXP202_VBUS_OVER_VOL_IRQ        = _BV(4),   //VBUS over-voltage, IRQ enable
-    AXP202_ACIN_REMOVED_IRQ         = _BV(5),   //ACIN removed, IRQ enable
-    AXP202_ACIN_CONNECT_IRQ         = _BV(6),   //ACIN connected, IRQ enable
-    AXP202_ACIN_OVER_VOL_IRQ        = _BV(7),   //ACIN over-voltage, IRQ enable
-
-    //! IRQ2 REG 41H
-    AXP202_BATT_LOW_TEMP_IRQ        = _BV(8),   //Battery low-temperature, IRQ enable
-    AXP202_BATT_OVER_TEMP_IRQ       = _BV(9),   //Battery over-temperature, IRQ enable
-    AXP202_CHARGING_FINISHED_IRQ    = _BV(10),  //Charge finished, IRQ enable
-    AXP202_CHARGING_IRQ             = _BV(11),  //Be charging, IRQ enable
-    AXP202_BATT_EXIT_ACTIVATE_IRQ   = _BV(12),  //Exit battery activate mode, IRQ enable
-    AXP202_BATT_ACTIVATE_IRQ        = _BV(13),  //Battery activate mode, IRQ enable
-    AXP202_BATT_REMOVED_IRQ         = _BV(14),  //Battery removed, IRQ enable
-    AXP202_BATT_CONNECT_IRQ         = _BV(15),  //Battery connected, IRQ enable
-
-    //! IRQ3 REG 42H
-    AXP202_PEK_LONGPRESS_IRQ        = _BV(16),  //PEK long press, IRQ enable
-    AXP202_PEK_SHORTPRESS_IRQ       = _BV(17),  //PEK short press, IRQ enable
-    AXP202_LDO3_LOW_VOL_IRQ         = _BV(18),  //LDO3output voltage is lower than the set value, IRQ enable
-    AXP202_DC3_LOW_VOL_IRQ          = _BV(19),  //DC-DC3output voltage is lower than the set value, IRQ enable
-    AXP202_DC2_LOW_VOL_IRQ          = _BV(20),  //DC-DC2 output voltage is lower than the set value, IRQ enable
-    //**Reserved and unchangeable BIT 5
-    AXP202_CHARGE_LOW_CUR_IRQ       = _BV(22),  //Charge current is lower than the set current, IRQ enable
-    AXP202_CHIP_TEMP_HIGH_IRQ       = _BV(23),  //AXP202 internal over-temperature, IRQ enable
-
-    //! IRQ4 REG 43H
-    AXP202_APS_LOW_VOL_LEVEL2_IRQ   = _BV(24),  //APS low-voltage, IRQ enable（LEVEL2）
-    APX202_APS_LOW_VOL_LEVEL1_IRQ   = _BV(25),  //APS low-voltage, IRQ enable（LEVEL1）
-    AXP202_VBUS_SESSION_END_IRQ     = _BV(26),  //VBUS Session End IRQ enable
-    AXP202_VBUS_SESSION_AB_IRQ      = _BV(27),  //VBUS Session A/B IRQ enable
-    AXP202_VBUS_INVALID_IRQ         = _BV(28),  //VBUS invalid, IRQ enable
-    AXP202_VBUS_VAILD_IRQ           = _BV(29),  //VBUS valid, IRQ enable
-    AXP202_NOE_OFF_IRQ              = _BV(30),  //N_OE shutdown, IRQ enable
-    AXP202_NOE_ON_IRQ               = _BV(31),  //N_OE startup, IRQ enable
-
-    //! IRQ5 REG 44H
-    AXP202_GPIO0_EDGE_TRIGGER_IRQ   = _BV(32),  //GPIO0 input edge trigger, IRQ enable
-    AXP202_GPIO1_EDGE_TRIGGER_IRQ   = _BV(33),  //GPIO1input edge trigger or ADC input, IRQ enable
-    AXP202_GPIO2_EDGE_TRIGGER_IRQ   = _BV(34),  //GPIO2input edge trigger, IRQ enable
-    AXP202_GPIO3_EDGE_TRIGGER_IRQ   = _BV(35),  //GPIO3 input edge trigger, IRQ enable
-    //**Reserved and unchangeable BIT 4
-    AXP202_PEK_FALLING_EDGE_IRQ     = _BV(37),  //PEK press falling edge, IRQ enable
-    AXP202_PEK_RISING_EDGE_IRQ      = _BV(38),  //PEK press rising edge, IRQ enable
-    AXP202_TIMER_TIMEOUT_IRQ        = _BV(39),  //Timer timeout, IRQ enable
-
-    AXP202_ALL_IRQ                  = (0xFFFFFFFFFFULL)
-} axp_irq_t;
-
-typedef enum {
-    AXP202_LDO4_1250MV,
-    AXP202_LDO4_1300MV,
-    AXP202_LDO4_1400MV,
-    AXP202_LDO4_1500MV,
-    AXP202_LDO4_1600MV,
-    AXP202_LDO4_1700MV,
-    AXP202_LDO4_1800MV,
-    AXP202_LDO4_1900MV,
-    AXP202_LDO4_2000MV,
-    AXP202_LDO4_2500MV,
-    AXP202_LDO4_2700MV,
-    AXP202_LDO4_2800MV,
-    AXP202_LDO4_3000MV,
-    AXP202_LDO4_3100MV,
-    AXP202_LDO4_3200MV,
-    AXP202_LDO4_3300MV,
-    AXP202_LDO4_MAX,
-} axp_ldo4_table_t;
-
-typedef enum {
-    AXP202_LDO5_1800MV,
-    AXP202_LDO5_2500MV,
-    AXP202_LDO5_2800MV,
-    AXP202_LDO5_3000MV,
-    AXP202_LDO5_3100MV,
-    AXP202_LDO5_3300MV,
-    AXP202_LDO5_3400MV,
-    AXP202_LDO5_3500MV,
-} axp_ldo5_table_t;
-
-typedef enum {
-    AXP20X_LED_OFF,
-    AXP20X_LED_BLINK_1HZ,
-    AXP20X_LED_BLINK_4HZ,
-    AXP20X_LED_LOW_LEVEL,
-} axp_chgled_mode_t;
-
-typedef enum {
-    AXP_ADC_SAMPLING_RATE_25HZ = 0,
-    AXP_ADC_SAMPLING_RATE_50HZ = 1,
-    AXP_ADC_SAMPLING_RATE_100HZ = 2,
-    AXP_ADC_SAMPLING_RATE_200HZ = 3,
-} axp_adc_sampling_rate_t;
-
-typedef enum {
-    AXP_TS_PIN_CURRENT_20UA = 0,
-    AXP_TS_PIN_CURRENT_40UA = 1,
-    AXP_TS_PIN_CURRENT_60UA = 2,
-    AXP_TS_PIN_CURRENT_80UA = 3,
-} axp_ts_pin_current_t;
-
-typedef enum {
-    AXP_TS_PIN_FUNCTION_BATT = 0,
-    AXP_TS_PIN_FUNCTION_ADC = 1,
-} axp_ts_pin_function_t;
-
-typedef enum {
-    AXP_TS_PIN_MODE_DISABLE = 0,
-    AXP_TS_PIN_MODE_CHARGING = 1,
-    AXP_TS_PIN_MODE_SAMPLING = 2,
-    AXP_TS_PIN_MODE_ENABLE = 3,
-} axp_ts_pin_mode_t;
-
-//! Only AXP192 and AXP202 have gpio function
-typedef enum {
-    AXP_GPIO_0,
-    AXP_GPIO_1,
-    AXP_GPIO_2,
-    AXP_GPIO_3,
-    AXP_GPIO_4,
-} axp_gpio_t;
-
-typedef enum {
-    AXP_IO_OUTPUT_LOW_MODE,
-    AXP_IO_OUTPUT_HIGH_MODE,
-    AXP_IO_INPUT_MODE,
-    AXP_IO_LDO_MODE,
-    AXP_IO_ADC_MODE,
-    AXP_IO_FLOATING_MODE,
-    AXP_IO_OPEN_DRAIN_OUTPUT_MODE,
-    AXP_IO_PWM_OUTPUT_MODE,
-    AXP_IO_EXTERN_CHARGING_CTRL_MODE,
-} axp_gpio_mode_t;
-
-typedef enum {
-    AXP_IRQ_NONE,
-    AXP_IRQ_RISING,
-    AXP_IRQ_FALLING,
-    AXP_IRQ_DOUBLE_EDGE,
-} axp_gpio_irq_t;
-
-
-typedef enum {
-    AXP192_GPIO_1V8,
-    AXP192_GPIO_1V9,
-    AXP192_GPIO_2V0,
-    AXP192_GPIO_2V1,
-    AXP192_GPIO_2V2,
-    AXP192_GPIO_2V3,
-    AXP192_GPIO_2V4,
-    AXP192_GPIO_2V5,
-    AXP192_GPIO_2V6,
-    AXP192_GPIO_2V7,
-    AXP192_GPIO_2V8,
-    AXP192_GPIO_2V9,
-    AXP192_GPIO_3V0,
-    AXP192_GPIO_3V1,
-    AXP192_GPIO_3V2,
-    AXP192_GPIO_3V3,
-} axp192_gpio_voltage_t;
-
-typedef enum {
-    AXP1XX_CHARGE_CUR_100MA,
-    AXP1XX_CHARGE_CUR_190MA,
-    AXP1XX_CHARGE_CUR_280MA,
-    AXP1XX_CHARGE_CUR_360MA,
-    AXP1XX_CHARGE_CUR_450MA,
-    AXP1XX_CHARGE_CUR_550MA,
-    AXP1XX_CHARGE_CUR_630MA,
-    AXP1XX_CHARGE_CUR_700MA,
-    AXP1XX_CHARGE_CUR_780MA,
-    AXP1XX_CHARGE_CUR_880MA,
-    AXP1XX_CHARGE_CUR_960MA,
-    AXP1XX_CHARGE_CUR_1000MA,
-    AXP1XX_CHARGE_CUR_1080MA,
-    AXP1XX_CHARGE_CUR_1160MA,
-    AXP1XX_CHARGE_CUR_1240MA,
-    AXP1XX_CHARGE_CUR_1320MA,
-} axp1xx_charge_current_t;
-
-typedef uint8_t (*axp_com_fptr_t)(uint8_t dev_addr, uint8_t reg_addr, uint8_t *data, uint8_t len);
-
-
-class AXP20X_Class
-{
-public:
-    int begin(TwoWire &port = Wire, uint8_t addr = AXP202_SLAVE_ADDRESS, bool isAxp173 = false);
-    int begin(axp_com_fptr_t read_cb, axp_com_fptr_t write_cb, uint8_t addr = AXP202_SLAVE_ADDRESS, bool isAxp173 = false);
-
-    // Power Output Control
-    int setPowerOutPut(uint8_t ch, bool en);
-
-    bool isBatteryConnect();
-    bool isChargeing();
-    bool isLDO2Enable();
-    bool isLDO3Enable();
-    bool isLDO4Enable();
-    bool isDCDC3Enable();
-    bool isDCDC2Enable();
-    bool isChargeingEnable();
-    bool isVBUSPlug();
-    bool isExtenEnable();
-
-    //Only axp192 chip
-    bool isDCDC1Enable();
-
-
-    //IRQ Status
-    bool isAcinOverVoltageIRQ();
-    bool isAcinPlugInIRQ();
-    bool isAcinRemoveIRQ();
-    bool isVbusOverVoltageIRQ();
-    bool isVbusPlugInIRQ();
-    bool isVbusRemoveIRQ();
-    bool isVbusLowVHOLDIRQ();
-
-    bool isBattPlugInIRQ();
-    bool isBattRemoveIRQ();
-    bool isBattEnterActivateIRQ();
-    bool isBattExitActivateIRQ();
-    bool isChargingIRQ();
-    bool isChargingDoneIRQ();
-    bool isBattTempLowIRQ();
-    bool isBattTempHighIRQ();
-
-    bool isPEKShortPressIRQ();
-    bool isPEKLongtPressIRQ();
-    bool isTimerTimeoutIRQ();
-
-    //! Group4 ADC data
-    float getAcinVoltage();
-    float getAcinCurrent();
-    float getVbusVoltage();
-    float getVbusCurrent();
-    float getTemp();
-    float getTSTemp();
-    float getGPIO0Voltage();
-    float getGPIO1Voltage();
-    float getBattInpower();
-    float getBattVoltage();
-    float getBattChargeCurrent();
-    float getBattDischargeCurrent();
-    float getSysIPSOUTVoltage();
-    uint32_t getBattChargeCoulomb();
-    uint32_t getBattDischargeCoulomb();
-    float getSettingChargeCurrent();
-
-    int setChargingTargetVoltage(axp_chargeing_vol_t param);
-    int enableChargeing(bool en);
-
-    int adc1Enable(uint16_t params, bool en);
-    int adc2Enable(uint16_t params, bool en);
-
-    int setTScurrent(axp_ts_pin_current_t current);
-    int setTSfunction(axp_ts_pin_function_t func);
-    int setTSmode(axp_ts_pin_mode_t mode);
-
-
-    int setTimer(uint8_t minutes);
-    int offTimer();
-    int clearTimerStatus();
-    /**
-     * param:   axp202_startup_time_t or axp192_startup_time_t
-     */
-    int setStartupTime(uint8_t param);
-
-    /**
-     * param: axp_loonPress_time_t
-     */
-    int setlongPressTime(uint8_t param);
-
-    /**
-     * @param  param: axp_poweroff_time_t
-     */
-    int setShutdownTime(uint8_t param);
-
-    int setTimeOutShutdown(bool en);
-
-    int shutdown();
-
-    /**
-     * params: axp_irq_t
-     */
-    int enableIRQ(uint64_t params, bool en);
-    int readIRQ();
-    void clearIRQ();
-
-    int setDCDC1Voltage(uint16_t mv); //! Only AXP192 support and AXP173
-    // return mv
-    uint16_t getDCDC1Voltage(); //! Only AXP192 support and AXP173
-
-    // -----------------
-
-    /*
-    !! Chip resource table
-    | CHIP     | AXP173           | AXP192           | AXP202           |
-    | -------- | ---------------- | ---------------- | ---------------- |
-    | DC1      | 0v7~3v5  /1200mA | 0v7~3v5  /1200mA | X                |
-    | DC2      | 0v7~2v275/1600mA | 0v7~2v275/1600mA | 0v7~2v275/1600mA |
-    | DC3      | X                | 0v7~3v5  /700mA  | 0v7~3v5  /1200mA |
-    | LDO1     | 3v3      /30mA   | 3v3      /30mA   | 3v3      /30mA   |
-    | LDO2     | 1v8~3v3  /200mA  | 1v8~3v3  /200mA  | 1v8~3v3  /200mA  |
-    | LDO3     | 1v8~3v3  /200mA  | 1v8~3v3  /200mA  | 0v7~3v3  /200mA  |
-    | LDO4     | 0v7~3v5  /500mA  | X                | 1v8~3v3  /200mA  |
-    | LDO5/IO0 | X                | 1v8~3v3  /50mA   | 1v8~3v3  /50mA   |
-    */
-    int setDCDC2Voltage(uint16_t mv);
-    uint16_t getDCDC2Voltage();
-
-    int setDCDC3Voltage(uint16_t mv);
-    uint16_t getDCDC3Voltage();
-
-    int setLDO2Voltage(uint16_t mv);
-    uint16_t getLDO2Voltage();
-
-    int setLDO3Voltage(uint16_t mv);
-    uint16_t getLDO3Voltage();
-
-
-    int setLDO4Voltage(axp_ldo4_table_t param); //! Only axp202 support
-    int setLDO4Voltage(uint16_t mv);            //! Only axp173 support
-
-    // return mv
-    uint16_t getLDO4Voltage();                  //! Only axp173/axp202 support
-
-
-    /**
-     * @param  mode: axp_chgled_mode_t
-     */
-    int setChgLEDMode(axp_chgled_mode_t mode);
-
-    /**
-     * @param  mode: axp202_ldo3_mode_t
-     */
-    int setLDO3Mode(uint8_t mode); //! Only AXP202 support
-
-    int getBattPercentage();
-
-    int debugCharging();
-    int debugStatus();
-    int limitingOff();
-
-    int setAdcSamplingRate(axp_adc_sampling_rate_t rate);
-    uint8_t getAdcSamplingRate();
-    float getCoulombData();
-    uint8_t getCoulombRegister();
-    int setCoulombRegister(uint8_t val);
-    int EnableCoulombcounter(void);
-    int DisableCoulombcounter(void);
-    int StopCoulombcounter(void);
-    int ClearCoulombcounter(void);
-
-
-    int setGPIOMode(axp_gpio_t gpio, axp_gpio_mode_t mode);
-    int setGPIOIrq(axp_gpio_t gpio, axp_gpio_irq_t irq);
-    int setLDO5Voltage(axp_ldo5_table_t vol);
-
-    int gpioWrite(axp_gpio_t gpio, uint8_t vol);
-    int gpioRead(axp_gpio_t gpio);
-
-    // When the chip is axp192 / 173, the allowed values are 0 ~ 15, corresponding to the axp1xx_charge_current_t enumeration
-    // When the chip is axp202 allows maximum charging current of 1800mA, minimum 300mA
-    int getChargeControlCur();
-    int setChargeControlCur(uint16_t mA);
-
-private:
-    uint16_t _getRegistH8L5(uint8_t regh8, uint8_t regl5)
-    {
-        uint8_t hv, lv;
-        _readByte(regh8, 1, &hv);
-        _readByte(regl5, 1, &lv);
-        return (hv << 5) | (lv & 0x1F);
-    }
-
-    uint16_t _getRegistResult(uint8_t regh8, uint8_t regl4)
-    {
-        uint8_t hv, lv;
-        _readByte(regh8, 1, &hv);
-        _readByte(regl4, 1, &lv);
-        return (hv << 4) | (lv & 0x0F);
-    }
-
-    int _readByte(uint8_t reg, uint8_t nbytes, uint8_t *data)
-    {
-        if (_read_cb != nullptr) {
-            return _read_cb(_address, reg, data, nbytes);
-        }
-        if (nbytes == 0 || !data)
-            return -1;
-        _i2cPort->beginTransmission(_address);
-        _i2cPort->write(reg);
-        _i2cPort->endTransmission();
-        _i2cPort->requestFrom(_address, nbytes);
-        uint8_t index = 0;
-        while (_i2cPort->available())
-            data[index++] = _i2cPort->read();
-        return 0;
-    }
-
-    int _writeByte(uint8_t reg, uint8_t nbytes, uint8_t *data)
-    {
-        if (_write_cb != nullptr) {
-            return _write_cb(_address, reg, data, nbytes);
-        }
-        if (nbytes == 0 || !data)
-            return -1;
-        _i2cPort->beginTransmission(_address);
-        _i2cPort->write(reg);
-        for (uint8_t i = 0; i < nbytes; i++) {
-            _i2cPort->write(data[i]);
-        }
-        _i2cPort->endTransmission();
-        return 0;
-    }
-
-    int _setGpioInterrupt(uint8_t *val, int mode, bool en);
-    int _axp_probe();
-    int _axp_irq_mask(axp_gpio_irq_t irq);
-
-    int _axp192_gpio_set(axp_gpio_t gpio, axp_gpio_mode_t mode);
-    int _axp192_gpio_0_select( axp_gpio_mode_t mode);
-    int _axp192_gpio_1_select( axp_gpio_mode_t mode);
-    int _axp192_gpio_3_select( axp_gpio_mode_t mode);
-    int _axp192_gpio_4_select( axp_gpio_mode_t mode);
-
-    int _axp202_gpio_set(axp_gpio_t gpio, axp_gpio_mode_t mode);
-    int _axp202_gpio_0_select( axp_gpio_mode_t mode);
-    int _axp202_gpio_1_select( axp_gpio_mode_t mode);
-    int _axp202_gpio_2_select( axp_gpio_mode_t mode);
-    int _axp202_gpio_3_select( axp_gpio_mode_t mode);
-    int _axp202_gpio_irq_set(axp_gpio_t gpio, axp_gpio_irq_t irq);
-    int _axp202_gpio_write(axp_gpio_t gpio, uint8_t val);
-    int _axp202_gpio_read(axp_gpio_t gpio);
-
-
-    static const uint8_t startupParams[], longPressParams[], shutdownParams[], targetVolParams[];
-    static uint8_t _outputReg;
-    uint8_t _address, _irq[5], _chip_id, _gpio[4];
-    bool _init = false;
-    axp_com_fptr_t _read_cb = nullptr;
-    axp_com_fptr_t _write_cb = nullptr;
-    TwoWire *_i2cPort;
-    bool _isAxp173;
-};
+/////////////////////////////////////////////////////////////////
+/*
+MIT License
+
+Copyright (c) 2019 lewis he
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+axp20x.h - Arduino library for X-Power AXP202 chip.
+Created by Lewis he on April 1, 2019.
+github:https://github.com/lewisxhe/AXP202X_Libraries
+*/
+/////////////////////////////////////////////////////////////////
+#pragma once
+
+#include <Arduino.h>
+#include <Wire.h>
+
+// #define AXP_DEBUG_PORT  Serial
+#ifdef AXP_DEBUG_PORT
+#define AXP_DEBUG(fmt, ...) AXP_DEBUG_PORT.printf_P((PGM_P)PSTR(fmt), ##__VA_ARGS__)
+#else
+#define AXP_DEBUG(...)
+#endif
+
+#ifndef RISING
+#define RISING 0x01
+#endif
+
+#ifndef FALLING
+#define FALLING 0x02
+#endif
+
+#ifdef _BV
+#undef _BV
+#endif
+#define _BV(b) (1ULL << (b))
+
+//! Error Code
+#define AXP_PASS            (0)
+#define AXP_FAIL            (-1)
+#define AXP_INVALID         (-2)
+#define AXP_NOT_INIT        (-3)
+#define AXP_NOT_SUPPORT     (-4)
+#define AXP_ARG_INVALID     (-5)
+
+//! Chip Address
+#define AXP202_SLAVE_ADDRESS (0x35)
+#define AXP192_SLAVE_ADDRESS (0x34)
+#define AXP173_SLAVE_ADDRESS (0x34)
+
+//! Chip ID
+#define AXP202_CHIP_ID 0x41
+#define AXP192_CHIP_ID 0x03
+#define AXP173_CHIP_ID 0xAD     //!Axp173 does not have a chip ID, given a custom ID
+
+//! Logic states
+#define AXP202_ON 1
+#define AXP202_OFF 0
+
+//! REG MAP
+#define AXP202_STATUS (0x00)
+#define AXP202_MODE_CHGSTATUS (0x01)
+#define AXP202_OTG_STATUS (0x02)
+#define AXP202_IC_TYPE (0x03)
+#define AXP202_DATA_BUFFER1 (0x04)
+#define AXP202_DATA_BUFFER2 (0x05)
+#define AXP202_DATA_BUFFER3 (0x06)
+#define AXP202_DATA_BUFFER4 (0x07)
+#define AXP202_DATA_BUFFER5 (0x08)
+#define AXP202_DATA_BUFFER6 (0x09)
+#define AXP202_DATA_BUFFER7 (0x0A)
+#define AXP202_DATA_BUFFER8 (0x0B)
+#define AXP202_DATA_BUFFER9 (0x0C)
+#define AXP202_DATA_BUFFERA (0x0D)
+#define AXP202_DATA_BUFFERB (0x0E)
+#define AXP202_DATA_BUFFERC (0x0F)
+#define AXP202_LDO234_DC23_CTL (0x12)
+#define AXP202_DC2OUT_VOL (0x23)
+#define AXP202_LDO3_DC2_DVM (0x25)
+#define AXP202_DC3OUT_VOL (0x27)
+#define AXP202_LDO24OUT_VOL (0x28)
+#define AXP202_LDO3OUT_VOL (0x29)
+#define AXP202_IPS_SET (0x30)
+#define AXP202_VOFF_SET (0x31)
+#define AXP202_OFF_CTL (0x32)
+#define AXP202_CHARGE1 (0x33)
+#define AXP202_CHARGE2 (0x34)
+#define AXP202_BACKUP_CHG (0x35)
+#define AXP202_POK_SET (0x36)
+#define AXP202_DCDC_FREQSET (0x37)
+#define AXP202_VLTF_CHGSET (0x38)
+#define AXP202_VHTF_CHGSET (0x39)
+#define AXP202_APS_WARNING1 (0x3A)
+#define AXP202_APS_WARNING2 (0x3B)
+#define AXP202_TLTF_DISCHGSET (0x3C)
+#define AXP202_THTF_DISCHGSET (0x3D)
+#define AXP202_DCDC_MODESET (0x80)
+#define AXP202_ADC_EN1 (0x82)
+#define AXP202_ADC_EN2 (0x83)
+#define AXP202_ADC_SPEED (0x84)
+#define AXP202_ADC_INPUTRANGE (0x85)
+#define AXP202_ADC_IRQ_RETFSET (0x86)
+#define AXP202_ADC_IRQ_FETFSET (0x87)
+#define AXP202_TIMER_CTL (0x8A)
+#define AXP202_VBUS_DET_SRP (0x8B)
+#define AXP202_HOTOVER_CTL (0x8F)
+#define AXP202_GPIO0_CTL (0x90)
+#define AXP202_GPIO0_VOL (0x91)
+#define AXP202_GPIO1_CTL (0x92)
+#define AXP202_GPIO2_CTL (0x93)
+#define AXP202_GPIO012_SIGNAL (0x94)
+#define AXP202_GPIO3_CTL (0x95)
+#define AXP202_INTEN1 (0x40)
+#define AXP202_INTEN2 (0x41)
+#define AXP202_INTEN3 (0x42)
+#define AXP202_INTEN4 (0x43)
+#define AXP202_INTEN5 (0x44)
+#define AXP202_INTSTS1 (0x48)
+#define AXP202_INTSTS2 (0x49)
+#define AXP202_INTSTS3 (0x4A)
+#define AXP202_INTSTS4 (0x4B)
+#define AXP202_INTSTS5 (0x4C)
+
+//Irq control register
+#define AXP192_INTEN1 (0x40)
+#define AXP192_INTEN2 (0x41)
+#define AXP192_INTEN3 (0x42)
+#define AXP192_INTEN4 (0x43)
+#define AXP192_INTEN5 (0x4A)
+//Irq status register
+#define AXP192_INTSTS1 (0x44)
+#define AXP192_INTSTS2 (0x45)
+#define AXP192_INTSTS3 (0x46)
+#define AXP192_INTSTS4 (0x47)
+#define AXP192_INTSTS5 (0x4D)
+
+#define AXP192_DC1_VLOTAGE (0x26)
+#define AXP192_LDO23OUT_VOL (0x28)
+#define AXP192_GPIO0_CTL (0x90)
+#define AXP192_GPIO0_VOL (0x91)
+#define AXP192_GPIO1_CTL (0X92)
+#define AXP192_GPIO2_CTL (0x93)
+#define AXP192_GPIO012_SIGNAL (0x94)
+#define AXP192_GPIO34_CTL (0x95)
+
+
+
+/* axp 192/202 adc data register */
+#define AXP202_BAT_AVERVOL_H8 (0x78)
+#define AXP202_BAT_AVERVOL_L4 (0x79)
+#define AXP202_BAT_AVERCHGCUR_H8 (0x7A)
+#define AXP202_BAT_AVERCHGCUR_L4 (0x7B)
+#define AXP202_BAT_AVERCHGCUR_L5 (0x7B)
+#define AXP202_ACIN_VOL_H8 (0x56)
+#define AXP202_ACIN_VOL_L4 (0x57)
+#define AXP202_ACIN_CUR_H8 (0x58)
+#define AXP202_ACIN_CUR_L4 (0x59)
+#define AXP202_VBUS_VOL_H8 (0x5A)
+#define AXP202_VBUS_VOL_L4 (0x5B)
+#define AXP202_VBUS_CUR_H8 (0x5C)
+#define AXP202_VBUS_CUR_L4 (0x5D)
+#define AXP202_INTERNAL_TEMP_H8 (0x5E)
+#define AXP202_INTERNAL_TEMP_L4 (0x5F)
+#define AXP202_TS_IN_H8 (0x62)
+#define AXP202_TS_IN_L4 (0x63)
+#define AXP202_GPIO0_VOL_ADC_H8 (0x64)
+#define AXP202_GPIO0_VOL_ADC_L4 (0x65)
+#define AXP202_GPIO1_VOL_ADC_H8 (0x66)
+#define AXP202_GPIO1_VOL_ADC_L4 (0x67)
+
+#define AXP202_BAT_AVERDISCHGCUR_H8 (0x7C)
+#define AXP202_BAT_AVERDISCHGCUR_L5 (0x7D)
+#define AXP202_APS_AVERVOL_H8 (0x7E)
+#define AXP202_APS_AVERVOL_L4 (0x7F)
+#define AXP202_INT_BAT_CHGCUR_H8 (0xA0)
+#define AXP202_INT_BAT_CHGCUR_L4 (0xA1)
+#define AXP202_EXT_BAT_CHGCUR_H8 (0xA2)
+#define AXP202_EXT_BAT_CHGCUR_L4 (0xA3)
+#define AXP202_INT_BAT_DISCHGCUR_H8 (0xA4)
+#define AXP202_INT_BAT_DISCHGCUR_L4 (0xA5)
+#define AXP202_EXT_BAT_DISCHGCUR_H8 (0xA6)
+#define AXP202_EXT_BAT_DISCHGCUR_L4 (0xA7)
+#define AXP202_BAT_CHGCOULOMB3 (0xB0)
+#define AXP202_BAT_CHGCOULOMB2 (0xB1)
+#define AXP202_BAT_CHGCOULOMB1 (0xB2)
+#define AXP202_BAT_CHGCOULOMB0 (0xB3)
+#define AXP202_BAT_DISCHGCOULOMB3 (0xB4)
+#define AXP202_BAT_DISCHGCOULOMB2 (0xB5)
+#define AXP202_BAT_DISCHGCOULOMB1 (0xB6)
+#define AXP202_BAT_DISCHGCOULOMB0 (0xB7)
+#define AXP202_COULOMB_CTL (0xB8)
+#define AXP202_BAT_POWERH8 (0x70)
+#define AXP202_BAT_POWERM8 (0x71)
+#define AXP202_BAT_POWERL8 (0x72)
+
+#define AXP202_VREF_TEM_CTRL (0xF3)
+#define AXP202_BATT_PERCENTAGE (0xB9)
+
+/* bit definitions for AXP events, irq event */
+/*  AXP202  */
+#define AXP202_IRQ_USBLO (1)
+#define AXP202_IRQ_USBRE (2)
+#define AXP202_IRQ_USBIN (3)
+#define AXP202_IRQ_USBOV (4)
+#define AXP202_IRQ_ACRE (5)
+#define AXP202_IRQ_ACIN (6)
+#define AXP202_IRQ_ACOV (7)
+
+#define AXP202_IRQ_TEMLO (8)
+#define AXP202_IRQ_TEMOV (9)
+#define AXP202_IRQ_CHAOV (10)
+#define AXP202_IRQ_CHAST (11)
+#define AXP202_IRQ_BATATOU (12)
+#define AXP202_IRQ_BATATIN (13)
+#define AXP202_IRQ_BATRE (14)
+#define AXP202_IRQ_BATIN (15)
+
+#define AXP202_IRQ_POKLO (16)
+#define AXP202_IRQ_POKSH (17)
+#define AXP202_IRQ_LDO3LO (18)
+#define AXP202_IRQ_DCDC3LO (19)
+#define AXP202_IRQ_DCDC2LO (20)
+#define AXP202_IRQ_CHACURLO (22)
+#define AXP202_IRQ_ICTEMOV (23)
+
+#define AXP202_IRQ_EXTLOWARN2 (24)
+#define AXP202_IRQ_EXTLOWARN1 (25)
+#define AXP202_IRQ_SESSION_END (26)
+#define AXP202_IRQ_SESS_AB_VALID (27)
+#define AXP202_IRQ_VBUS_UN_VALID (28)
+#define AXP202_IRQ_VBUS_VALID (29)
+#define AXP202_IRQ_PDOWN_BY_NOE (30)
+#define AXP202_IRQ_PUP_BY_NOE (31)
+
+#define AXP202_IRQ_GPIO0TG (32)
+#define AXP202_IRQ_GPIO1TG (33)
+#define AXP202_IRQ_GPIO2TG (34)
+#define AXP202_IRQ_GPIO3TG (35)
+#define AXP202_IRQ_PEKFE (37)
+#define AXP202_IRQ_PEKRE (38)
+#define AXP202_IRQ_TIMER (39)
+
+//Signal Capture
+#define AXP202_BATT_VOLTAGE_STEP (1.1F)
+#define AXP202_BATT_DISCHARGE_CUR_STEP (0.5F)
+#define AXP202_BATT_CHARGE_CUR_STEP (0.5F)
+#define AXP202_ACIN_VOLTAGE_STEP (1.7F)
+#define AXP202_ACIN_CUR_STEP (0.625F)
+#define AXP202_VBUS_VOLTAGE_STEP (1.7F)
+#define AXP202_VBUS_CUR_STEP (0.375F)
+#define AXP202_INTERNAL_TEMP_STEP (0.1F)
+#define AXP202_APS_VOLTAGE_STEP (1.4F)
+#define AXP202_TS_PIN_OUT_STEP (0.8F)
+#define AXP202_GPIO0_STEP (0.5F)
+#define AXP202_GPIO1_STEP (0.5F)
+// AXP192 only
+#define AXP202_GPIO2_STEP (0.5F)
+#define AXP202_GPIO3_STEP (0.5F)
+
+// AXP173
+#define AXP173_EXTEN_DC2_CTL   (0x10)
+#define AXP173_CTL_DC2_BIT      (0)
+#define AXP173_CTL_EXTEN_BIT    (2)
+#define AXP173_DC1_VLOTAGE      (0x26)
+#define AXP173_LDO4_VLOTAGE     (0x27)
+
+#define FORCED_OPEN_DCDC3(x) (x |= (AXP202_ON << AXP202_DCDC3))
+#define BIT_MASK(x) (1 << x)
+#define IS_OPEN(reg, channel) (bool)(reg & BIT_MASK(channel))
+
+enum {
+    AXP202_EXTEN = 0,
+    AXP202_DCDC3 = 1,
+    AXP202_LDO2 = 2,
+    AXP202_LDO4 = 3,
+    AXP202_DCDC2 = 4,
+    AXP202_LDO3 = 6,
+    AXP202_OUTPUT_MAX,
+};
+
+enum {
+    AXP192_DCDC1 = 0,
+    AXP192_DCDC3 = 1,
+    AXP192_LDO2 = 2,
+    AXP192_LDO3 = 3,
+    AXP192_DCDC2 = 4,
+    AXP192_EXTEN = 6,
+    AXP192_OUTPUT_MAX,
+};
+
+enum {
+    AXP173_DCDC1 = 0,
+    AXP173_LDO4 = 1,
+    AXP173_LDO2 = 2,
+    AXP173_LDO3 = 3,
+    AXP173_DCDC2 = 4,
+    AXP173_EXTEN = 6,
+    AXP173_OUTPUT_MAX,
+};
+
+typedef enum {
+    AXP202_STARTUP_TIME_128MS,
+    AXP202_STARTUP_TIME_3S,
+    AXP202_STARTUP_TIME_1S,
+    AXP202_STARTUP_TIME_2S,
+} axp202_startup_time_t;
+
+typedef enum {
+    AXP192_STARTUP_TIME_128MS,
+    AXP192_STARTUP_TIME_512MS,
+    AXP192_STARTUP_TIME_1S,
+    AXP192_STARTUP_TIME_2S,
+} axp192_startup_time_t;
+
+typedef enum {
+    AXP_LONGPRESS_TIME_1S,
+    AXP_LONGPRESS_TIME_1S5,
+    AXP_LONGPRESS_TIME_2S,
+    AXP_LONGPRESS_TIME_2S5,
+} axp_loonPress_time_t;
+
+typedef enum {
+    AXP_POWER_OFF_TIME_4S,
+    AXP_POWER_OFF_TIME_65,
+    AXP_POWER_OFF_TIME_8S,
+    AXP_POWER_OFF_TIME_16S,
+} axp_poweroff_time_t;
+
+//REG 33H: Charging control 1 Charging target-voltage setting
+typedef enum {
+    AXP202_TARGET_VOL_4_1V,
+    AXP202_TARGET_VOL_4_15V,
+    AXP202_TARGET_VOL_4_2V,
+    AXP202_TARGET_VOL_4_36V
+} axp_chargeing_vol_t;
+
+//REG 82H: ADC Enable 1 register Parameter
+typedef enum {
+    AXP202_BATT_VOL_ADC1 = 1 << 7,
+    AXP202_BATT_CUR_ADC1 = 1 << 6,
+    AXP202_ACIN_VOL_ADC1 = 1 << 5,
+    AXP202_ACIN_CUR_ADC1 = 1 << 4,
+    AXP202_VBUS_VOL_ADC1 = 1 << 3,
+    AXP202_VBUS_CUR_ADC1 = 1 << 2,
+    AXP202_APS_VOL_ADC1 = 1 << 1,
+    AXP202_TS_PIN_ADC1 = 1 << 0
+} axp_adc1_func_t;
+
+// REG 83H: ADC Enable 2 register Parameter
+typedef enum {
+    AXP202_TEMP_MONITORING_ADC2 = 1 << 7,
+    AXP202_GPIO1_FUNC_ADC2 = 1 << 3,
+    AXP202_GPIO0_FUNC_ADC2 = 1 << 2
+} axp_adc2_func_t;
+
+typedef enum {
+    AXP202_LDO3_MODE_LDO,
+    AXP202_LDO3_MODE_DCIN
+} axp202_ldo3_mode_t;
+
+
+
+typedef enum {
+    //! IRQ1 REG 40H
+    AXP202_VBUS_VHOLD_LOW_IRQ       = _BV(1),   //VBUS is available, but lower than V HOLD, IRQ enable
+    AXP202_VBUS_REMOVED_IRQ         = _BV(2),   //VBUS removed, IRQ enable
+    AXP202_VBUS_CONNECT_IRQ         = _BV(3),   //VBUS connected, IRQ enable
+    AXP202_VBUS_OVER_VOL_IRQ        = _BV(4),   //VBUS over-voltage, IRQ enable
+    AXP202_ACIN_REMOVED_IRQ         = _BV(5),   //ACIN removed, IRQ enable
+    AXP202_ACIN_CONNECT_IRQ         = _BV(6),   //ACIN connected, IRQ enable
+    AXP202_ACIN_OVER_VOL_IRQ        = _BV(7),   //ACIN over-voltage, IRQ enable
+
+    //! IRQ2 REG 41H
+    AXP202_BATT_LOW_TEMP_IRQ        = _BV(8),   //Battery low-temperature, IRQ enable
+    AXP202_BATT_OVER_TEMP_IRQ       = _BV(9),   //Battery over-temperature, IRQ enable
+    AXP202_CHARGING_FINISHED_IRQ    = _BV(10),  //Charge finished, IRQ enable
+    AXP202_CHARGING_IRQ             = _BV(11),  //Be charging, IRQ enable
+    AXP202_BATT_EXIT_ACTIVATE_IRQ   = _BV(12),  //Exit battery activate mode, IRQ enable
+    AXP202_BATT_ACTIVATE_IRQ        = _BV(13),  //Battery activate mode, IRQ enable
+    AXP202_BATT_REMOVED_IRQ         = _BV(14),  //Battery removed, IRQ enable
+    AXP202_BATT_CONNECT_IRQ         = _BV(15),  //Battery connected, IRQ enable
+
+    //! IRQ3 REG 42H
+    AXP202_PEK_LONGPRESS_IRQ        = _BV(16),  //PEK long press, IRQ enable
+    AXP202_PEK_SHORTPRESS_IRQ       = _BV(17),  //PEK short press, IRQ enable
+    AXP202_LDO3_LOW_VOL_IRQ         = _BV(18),  //LDO3output voltage is lower than the set value, IRQ enable
+    AXP202_DC3_LOW_VOL_IRQ          = _BV(19),  //DC-DC3output voltage is lower than the set value, IRQ enable
+    AXP202_DC2_LOW_VOL_IRQ          = _BV(20),  //DC-DC2 output voltage is lower than the set value, IRQ enable
+    //**Reserved and unchangeable BIT 5
+    AXP202_CHARGE_LOW_CUR_IRQ       = _BV(22),  //Charge current is lower than the set current, IRQ enable
+    AXP202_CHIP_TEMP_HIGH_IRQ       = _BV(23),  //AXP202 internal over-temperature, IRQ enable
+
+    //! IRQ4 REG 43H
+    AXP202_APS_LOW_VOL_LEVEL2_IRQ   = _BV(24),  //APS low-voltage, IRQ enable（LEVEL2）
+    APX202_APS_LOW_VOL_LEVEL1_IRQ   = _BV(25),  //APS low-voltage, IRQ enable（LEVEL1）
+    AXP202_VBUS_SESSION_END_IRQ     = _BV(26),  //VBUS Session End IRQ enable
+    AXP202_VBUS_SESSION_AB_IRQ      = _BV(27),  //VBUS Session A/B IRQ enable
+    AXP202_VBUS_INVALID_IRQ         = _BV(28),  //VBUS invalid, IRQ enable
+    AXP202_VBUS_VAILD_IRQ           = _BV(29),  //VBUS valid, IRQ enable
+    AXP202_NOE_OFF_IRQ              = _BV(30),  //N_OE shutdown, IRQ enable
+    AXP202_NOE_ON_IRQ               = _BV(31),  //N_OE startup, IRQ enable
+
+    //! IRQ5 REG 44H
+    AXP202_GPIO0_EDGE_TRIGGER_IRQ   = _BV(32),  //GPIO0 input edge trigger, IRQ enable
+    AXP202_GPIO1_EDGE_TRIGGER_IRQ   = _BV(33),  //GPIO1input edge trigger or ADC input, IRQ enable
+    AXP202_GPIO2_EDGE_TRIGGER_IRQ   = _BV(34),  //GPIO2input edge trigger, IRQ enable
+    AXP202_GPIO3_EDGE_TRIGGER_IRQ   = _BV(35),  //GPIO3 input edge trigger, IRQ enable
+    //**Reserved and unchangeable BIT 4
+    AXP202_PEK_FALLING_EDGE_IRQ     = _BV(37),  //PEK press falling edge, IRQ enable
+    AXP202_PEK_RISING_EDGE_IRQ      = _BV(38),  //PEK press rising edge, IRQ enable
+    AXP202_TIMER_TIMEOUT_IRQ        = _BV(39),  //Timer timeout, IRQ enable
+
+    AXP202_ALL_IRQ                  = (0xFFFFFFFFFFULL)
+} axp_irq_t;
+
+typedef enum {
+    AXP202_LDO4_1250MV,
+    AXP202_LDO4_1300MV,
+    AXP202_LDO4_1400MV,
+    AXP202_LDO4_1500MV,
+    AXP202_LDO4_1600MV,
+    AXP202_LDO4_1700MV,
+    AXP202_LDO4_1800MV,
+    AXP202_LDO4_1900MV,
+    AXP202_LDO4_2000MV,
+    AXP202_LDO4_2500MV,
+    AXP202_LDO4_2700MV,
+    AXP202_LDO4_2800MV,
+    AXP202_LDO4_3000MV,
+    AXP202_LDO4_3100MV,
+    AXP202_LDO4_3200MV,
+    AXP202_LDO4_3300MV,
+    AXP202_LDO4_MAX,
+} axp_ldo4_table_t;
+
+typedef enum {
+    AXP202_LDO5_1800MV,
+    AXP202_LDO5_2500MV,
+    AXP202_LDO5_2800MV,
+    AXP202_LDO5_3000MV,
+    AXP202_LDO5_3100MV,
+    AXP202_LDO5_3300MV,
+    AXP202_LDO5_3400MV,
+    AXP202_LDO5_3500MV,
+} axp_ldo5_table_t;
+
+typedef enum {
+    AXP20X_LED_OFF,
+    AXP20X_LED_BLINK_1HZ,
+    AXP20X_LED_BLINK_4HZ,
+    AXP20X_LED_LOW_LEVEL,
+} axp_chgled_mode_t;
+
+typedef enum {
+    AXP_ADC_SAMPLING_RATE_25HZ = 0,
+    AXP_ADC_SAMPLING_RATE_50HZ = 1,
+    AXP_ADC_SAMPLING_RATE_100HZ = 2,
+    AXP_ADC_SAMPLING_RATE_200HZ = 3,
+} axp_adc_sampling_rate_t;
+
+typedef enum {
+    AXP_TS_PIN_CURRENT_20UA = 0,
+    AXP_TS_PIN_CURRENT_40UA = 1,
+    AXP_TS_PIN_CURRENT_60UA = 2,
+    AXP_TS_PIN_CURRENT_80UA = 3,
+} axp_ts_pin_current_t;
+
+typedef enum {
+    AXP_TS_PIN_FUNCTION_BATT = 0,
+    AXP_TS_PIN_FUNCTION_ADC = 1,
+} axp_ts_pin_function_t;
+
+typedef enum {
+    AXP_TS_PIN_MODE_DISABLE = 0,
+    AXP_TS_PIN_MODE_CHARGING = 1,
+    AXP_TS_PIN_MODE_SAMPLING = 2,
+    AXP_TS_PIN_MODE_ENABLE = 3,
+} axp_ts_pin_mode_t;
+
+//! Only AXP192 and AXP202 have gpio function
+typedef enum {
+    AXP_GPIO_0,
+    AXP_GPIO_1,
+    AXP_GPIO_2,
+    AXP_GPIO_3,
+    AXP_GPIO_4,
+} axp_gpio_t;
+
+typedef enum {
+    AXP_IO_OUTPUT_LOW_MODE,
+    AXP_IO_OUTPUT_HIGH_MODE,
+    AXP_IO_INPUT_MODE,
+    AXP_IO_LDO_MODE,
+    AXP_IO_ADC_MODE,
+    AXP_IO_FLOATING_MODE,
+    AXP_IO_OPEN_DRAIN_OUTPUT_MODE,
+    AXP_IO_PWM_OUTPUT_MODE,
+    AXP_IO_EXTERN_CHARGING_CTRL_MODE,
+} axp_gpio_mode_t;
+
+typedef enum {
+    AXP_IRQ_NONE,
+    AXP_IRQ_RISING,
+    AXP_IRQ_FALLING,
+    AXP_IRQ_DOUBLE_EDGE,
+} axp_gpio_irq_t;
+
+
+typedef enum {
+    AXP192_GPIO_1V8,
+    AXP192_GPIO_1V9,
+    AXP192_GPIO_2V0,
+    AXP192_GPIO_2V1,
+    AXP192_GPIO_2V2,
+    AXP192_GPIO_2V3,
+    AXP192_GPIO_2V4,
+    AXP192_GPIO_2V5,
+    AXP192_GPIO_2V6,
+    AXP192_GPIO_2V7,
+    AXP192_GPIO_2V8,
+    AXP192_GPIO_2V9,
+    AXP192_GPIO_3V0,
+    AXP192_GPIO_3V1,
+    AXP192_GPIO_3V2,
+    AXP192_GPIO_3V3,
+} axp192_gpio_voltage_t;
+
+typedef enum {
+    AXP1XX_CHARGE_CUR_100MA,
+    AXP1XX_CHARGE_CUR_190MA,
+    AXP1XX_CHARGE_CUR_280MA,
+    AXP1XX_CHARGE_CUR_360MA,
+    AXP1XX_CHARGE_CUR_450MA,
+    AXP1XX_CHARGE_CUR_550MA,
+    AXP1XX_CHARGE_CUR_630MA,
+    AXP1XX_CHARGE_CUR_700MA,
+    AXP1XX_CHARGE_CUR_780MA,
+    AXP1XX_CHARGE_CUR_880MA,
+    AXP1XX_CHARGE_CUR_960MA,
+    AXP1XX_CHARGE_CUR_1000MA,
+    AXP1XX_CHARGE_CUR_1080MA,
+    AXP1XX_CHARGE_CUR_1160MA,
+    AXP1XX_CHARGE_CUR_1240MA,
+    AXP1XX_CHARGE_CUR_1320MA,
+} axp1xx_charge_current_t;
+
+typedef uint8_t (*axp_com_fptr_t)(uint8_t dev_addr, uint8_t reg_addr, uint8_t *data, uint8_t len);
+
+
+class AXP20X_Class
+{
+public:
+    int begin(TwoWire &port = Wire, uint8_t addr = AXP202_SLAVE_ADDRESS, bool isAxp173 = false);
+    int begin(axp_com_fptr_t read_cb, axp_com_fptr_t write_cb, uint8_t addr = AXP202_SLAVE_ADDRESS, bool isAxp173 = false);
+
+    // Power Output Control
+    int setPowerOutPut(uint8_t ch, bool en);
+
+    bool isBatteryConnect();
+    bool isChargeing();
+    bool isLDO2Enable();
+    bool isLDO3Enable();
+    bool isLDO4Enable();
+    bool isDCDC3Enable();
+    bool isDCDC2Enable();
+    bool isChargeingEnable();
+    bool isVBUSPlug();
+    bool isExtenEnable();
+
+    //Only axp192 chip
+    bool isDCDC1Enable();
+
+
+    //IRQ Status
+    bool isAcinOverVoltageIRQ();
+    bool isAcinPlugInIRQ();
+    bool isAcinRemoveIRQ();
+    bool isVbusOverVoltageIRQ();
+    bool isVbusPlugInIRQ();
+    bool isVbusRemoveIRQ();
+    bool isVbusLowVHOLDIRQ();
+
+    bool isBattPlugInIRQ();
+    bool isBattRemoveIRQ();
+    bool isBattEnterActivateIRQ();
+    bool isBattExitActivateIRQ();
+    bool isChargingIRQ();
+    bool isChargingDoneIRQ();
+    bool isBattTempLowIRQ();
+    bool isBattTempHighIRQ();
+
+    bool isPEKShortPressIRQ();
+    bool isPEKLongtPressIRQ();
+    bool isTimerTimeoutIRQ();
+
+    //! Group4 ADC data
+    float getAcinVoltage();
+    float getAcinCurrent();
+    float getVbusVoltage();
+    float getVbusCurrent();
+    float getTemp();
+    float getTSTemp();
+    float getGPIO0Voltage();
+    float getGPIO1Voltage();
+    float getBattInpower();
+    float getBattVoltage();
+    float getBattChargeCurrent();
+    float getBattDischargeCurrent();
+    float getSysIPSOUTVoltage();
+    uint32_t getBattChargeCoulomb();
+    uint32_t getBattDischargeCoulomb();
+    float getSettingChargeCurrent();
+
+    int setChargingTargetVoltage(axp_chargeing_vol_t param);
+    int enableChargeing(bool en);
+
+    int adc1Enable(uint16_t params, bool en);
+    int adc2Enable(uint16_t params, bool en);
+
+    int setTScurrent(axp_ts_pin_current_t current);
+    int setTSfunction(axp_ts_pin_function_t func);
+    int setTSmode(axp_ts_pin_mode_t mode);
+
+
+    int setTimer(uint8_t minutes);
+    int offTimer();
+    int clearTimerStatus();
+    /**
+     * param:   axp202_startup_time_t or axp192_startup_time_t
+     */
+    int setStartupTime(uint8_t param);
+
+    /**
+     * param: axp_loonPress_time_t
+     */
+    int setlongPressTime(uint8_t param);
+
+    /**
+     * @param  param: axp_poweroff_time_t
+     */
+    int setShutdownTime(uint8_t param);
+
+    int setTimeOutShutdown(bool en);
+
+    int shutdown();
+
+    /**
+     * params: axp_irq_t
+     */
+    int enableIRQ(uint64_t params, bool en);
+    int readIRQ();
+    void clearIRQ();
+
+    int setDCDC1Voltage(uint16_t mv); //! Only AXP192 support and AXP173
+    // return mv
+    uint16_t getDCDC1Voltage(); //! Only AXP192 support and AXP173
+
+    // -----------------
+
+    /*
+    !! Chip resource table
+    | CHIP     | AXP173           | AXP192           | AXP202           |
+    | -------- | ---------------- | ---------------- | ---------------- |
+    | DC1      | 0v7~3v5  /1200mA | 0v7~3v5  /1200mA | X                |
+    | DC2      | 0v7~2v275/1600mA | 0v7~2v275/1600mA | 0v7~2v275/1600mA |
+    | DC3      | X                | 0v7~3v5  /700mA  | 0v7~3v5  /1200mA |
+    | LDO1     | 3v3      /30mA   | 3v3      /30mA   | 3v3      /30mA   |
+    | LDO2     | 1v8~3v3  /200mA  | 1v8~3v3  /200mA  | 1v8~3v3  /200mA  |
+    | LDO3     | 1v8~3v3  /200mA  | 1v8~3v3  /200mA  | 0v7~3v3  /200mA  |
+    | LDO4     | 0v7~3v5  /500mA  | X                | 1v8~3v3  /200mA  |
+    | LDO5/IO0 | X                | 1v8~3v3  /50mA   | 1v8~3v3  /50mA   |
+    */
+    int setDCDC2Voltage(uint16_t mv);
+    uint16_t getDCDC2Voltage();
+
+    int setDCDC3Voltage(uint16_t mv);
+    uint16_t getDCDC3Voltage();
+
+    int setLDO2Voltage(uint16_t mv);
+    uint16_t getLDO2Voltage();
+
+    int setLDO3Voltage(uint16_t mv);
+    uint16_t getLDO3Voltage();
+
+
+    int setLDO4Voltage(axp_ldo4_table_t param); //! Only axp202 support
+    int setLDO4Voltage(uint16_t mv);            //! Only axp173 support
+
+    // return mv
+    uint16_t getLDO4Voltage();                  //! Only axp173/axp202 support
+
+
+    /**
+     * @param  mode: axp_chgled_mode_t
+     */
+    int setChgLEDMode(axp_chgled_mode_t mode);
+
+    /**
+     * @param  mode: axp202_ldo3_mode_t
+     */
+    int setLDO3Mode(uint8_t mode); //! Only AXP202 support
+
+    int getBattPercentage();
+
+    int debugCharging();
+    int debugStatus();
+    int limitingOff();
+
+    int setAdcSamplingRate(axp_adc_sampling_rate_t rate);
+    uint8_t getAdcSamplingRate();
+    float getCoulombData();
+    uint8_t getCoulombRegister();
+    int setCoulombRegister(uint8_t val);
+    int EnableCoulombcounter(void);
+    int DisableCoulombcounter(void);
+    int StopCoulombcounter(void);
+    int ClearCoulombcounter(void);
+
+
+    int setGPIOMode(axp_gpio_t gpio, axp_gpio_mode_t mode);
+    int setGPIOIrq(axp_gpio_t gpio, axp_gpio_irq_t irq);
+    int setLDO5Voltage(axp_ldo5_table_t vol);
+
+    int gpioWrite(axp_gpio_t gpio, uint8_t vol);
+    int gpioRead(axp_gpio_t gpio);
+
+    // When the chip is axp192 / 173, the allowed values are 0 ~ 15, corresponding to the axp1xx_charge_current_t enumeration
+    // When the chip is axp202 allows maximum charging current of 1800mA, minimum 300mA
+    int getChargeControlCur();
+    int setChargeControlCur(uint16_t mA);
+
+private:
+    uint16_t _getRegistH8L5(uint8_t regh8, uint8_t regl5)
+    {
+        uint8_t hv, lv;
+        _readByte(regh8, 1, &hv);
+        _readByte(regl5, 1, &lv);
+        return (hv << 5) | (lv & 0x1F);
+    }
+
+    uint16_t _getRegistResult(uint8_t regh8, uint8_t regl4)
+    {
+        uint8_t hv, lv;
+        _readByte(regh8, 1, &hv);
+        _readByte(regl4, 1, &lv);
+        return (hv << 4) | (lv & 0x0F);
+    }
+
+    int _readByte(uint8_t reg, uint8_t nbytes, uint8_t *data)
+    {
+        if (_read_cb != nullptr) {
+            return _read_cb(_address, reg, data, nbytes);
+        }
+        if (nbytes == 0 || !data)
+            return -1;
+        _i2cPort->beginTransmission(_address);
+        _i2cPort->write(reg);
+        _i2cPort->endTransmission();
+        _i2cPort->requestFrom(_address, nbytes);
+        uint8_t index = 0;
+        while (_i2cPort->available())
+            data[index++] = _i2cPort->read();
+        return 0;
+    }
+
+    int _writeByte(uint8_t reg, uint8_t nbytes, uint8_t *data)
+    {
+        if (_write_cb != nullptr) {
+            return _write_cb(_address, reg, data, nbytes);
+        }
+        if (nbytes == 0 || !data)
+            return -1;
+        _i2cPort->beginTransmission(_address);
+        _i2cPort->write(reg);
+        for (uint8_t i = 0; i < nbytes; i++) {
+            _i2cPort->write(data[i]);
+        }
+        _i2cPort->endTransmission();
+        return 0;
+    }
+
+    int _setGpioInterrupt(uint8_t *val, int mode, bool en);
+    int _axp_probe();
+    int _axp_irq_mask(axp_gpio_irq_t irq);
+
+    int _axp192_gpio_set(axp_gpio_t gpio, axp_gpio_mode_t mode);
+    int _axp192_gpio_0_select( axp_gpio_mode_t mode);
+    int _axp192_gpio_1_select( axp_gpio_mode_t mode);
+    int _axp192_gpio_3_select( axp_gpio_mode_t mode);
+    int _axp192_gpio_4_select( axp_gpio_mode_t mode);
+
+    int _axp202_gpio_set(axp_gpio_t gpio, axp_gpio_mode_t mode);
+    int _axp202_gpio_0_select( axp_gpio_mode_t mode);
+    int _axp202_gpio_1_select( axp_gpio_mode_t mode);
+    int _axp202_gpio_2_select( axp_gpio_mode_t mode);
+    int _axp202_gpio_3_select( axp_gpio_mode_t mode);
+    int _axp202_gpio_irq_set(axp_gpio_t gpio, axp_gpio_irq_t irq);
+    int _axp202_gpio_write(axp_gpio_t gpio, uint8_t val);
+    int _axp202_gpio_read(axp_gpio_t gpio);
+
+
+    static const uint8_t startupParams[], longPressParams[], shutdownParams[], targetVolParams[];
+    static uint8_t _outputReg;
+    uint8_t _address, _irq[5], _chip_id, _gpio[4];
+    bool _init = false;
+    axp_com_fptr_t _read_cb = nullptr;
+    axp_com_fptr_t _write_cb = nullptr;
+    TwoWire *_i2cPort;
+    bool _isAxp173;
+};
diff --git a/lib/libesp32/TTGO_TWatch_Library/src/bma.cpp b/lib/libesp32_div/TTGO_TWatch_Library/src/bma.cpp
old mode 100755
new mode 100644
similarity index 95%
rename from lib/libesp32/TTGO_TWatch_Library/src/bma.cpp
rename to lib/libesp32_div/TTGO_TWatch_Library/src/bma.cpp
index 76d1c52f0..3d843a549
--- a/lib/libesp32/TTGO_TWatch_Library/src/bma.cpp
+++ b/lib/libesp32_div/TTGO_TWatch_Library/src/bma.cpp
@@ -1,279 +1,279 @@
-#include "bma.h"
-#include <Arduino.h>
-
-I2CBus *BMA::_bus = nullptr;
-
-BMA::BMA(I2CBus &bus)
-{
-    _bus = &bus;
-}
-
-BMA::~BMA()
-{
-
-}
-
-uint16_t BMA::read(uint8_t addr, uint8_t reg, uint8_t *data, uint16_t len)
-{
-    return _bus->readBytes(addr, reg, data, len);
-}
-
-uint16_t BMA::write(uint8_t addr, uint8_t reg, uint8_t *data, uint16_t len)
-{
-    return _bus->writeBytes(addr, reg, data, len);
-}
-
-bool BMA::begin()
-{
-    _dev.dev_addr        = BMA4_I2C_ADDR_SECONDARY;
-    _dev.interface       = BMA4_I2C_INTERFACE;
-    _dev.bus_read        = read;
-    _dev.bus_write       = write;
-    _dev.delay           = delay;
-    _dev.read_write_len  = 8;
-    _dev.resolution      = 12;
-    _dev.feature_len     = BMA423_FEATURE_SIZE;
-
-    reset();
-
-    delay(20);
-
-    if (bma423_init(&_dev) != BMA4_OK) {
-        //Serial.println("bma4 init fail");
-        return false;
-    }
-
-    config();
-
-    return true;
-}
-
-void BMA::reset()
-{
-    uint8_t reg = 0xB6;
-    _bus->writeBytes(BMA4_I2C_ADDR_SECONDARY, 0x7E, &reg, 1);
-}
-
-uint16_t BMA::config()
-{
-    return bma423_write_config_file(&_dev);
-}
-
-bool BMA::getAccel(Accel &acc)
-{
-    memset(&acc, 0, sizeof(acc));
-    if (bma4_read_accel_xyz(&acc, &_dev) != BMA4_OK) {
-        return false;
-    }
-    return true;
-}
-
-uint8_t BMA::direction()
-{
-    Accel acc;
-    if (bma4_read_accel_xyz(&acc, &_dev) != BMA4_OK) {
-        return 0;
-    }
-    uint16_t absX = abs(acc.x);
-    uint16_t absY = abs(acc.y);
-    uint16_t absZ = abs(acc.z);
-
-    if ((absZ > absX) && (absZ > absY)) {
-        if (acc.z > 0) {
-            return  DIRECTION_DISP_DOWN;
-        } else {
-            return DIRECTION_DISP_UP;
-        }
-    } else if ((absY > absX) && (absY > absZ)) {
-        if (acc.y > 0) {
-            return DIRECTION_BOTTOM_EDGE;
-        } else {
-            return  DIRECTION_TOP_EDGE;
-        }
-    } else {
-        if (acc.x < 0) {
-            return  DIRECTION_RIGHT_EDGE;
-        } else {
-            return DIRECTION_LEFT_EDGE;
-        }
-    }
-}
-
-float BMA::temperature()
-{
-    int32_t data = 0;
-    bma4_get_temperature(&data, BMA4_DEG, &_dev);
-    float res = (float)data / (float)BMA4_SCALE_TEMP;
-    /* 0x80 - temp read from the register and 23 is the ambient temp added.
-     * If the temp read from register is 0x80, it means no valid
-     * information is available */
-    if (((data - 23) / BMA4_SCALE_TEMP) == 0x80) {
-        res = 0;
-    }
-    return res;
-}
-
-
-void BMA::enableAccel()
-{
-    if (bma4_set_accel_enable(BMA4_ENABLE, &_dev)) {
-        return;
-    }
-    Acfg cfg;
-    cfg.odr = BMA4_OUTPUT_DATA_RATE_100HZ;
-    cfg.range = BMA4_ACCEL_RANGE_2G;
-    cfg.bandwidth = BMA4_ACCEL_NORMAL_AVG4;
-    cfg.perf_mode = BMA4_CONTINUOUS_MODE;
-
-    if (bma4_set_accel_config(&cfg, &_dev)) {
-        Serial.println("[bma4] set accel config fail");
-        return;
-    }
-}
-
-void BMA::disalbeIrq()
-{
-    bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_STEP_CNTR_INT /* |BMA423_WAKEUP_INT*/, BMA4_DISABLE, &_dev);
-}
-
-void BMA::enableIrq()
-{
-    bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_STEP_CNTR_INT /* |BMA423_WAKEUP_INT*/, BMA4_ENABLE, &_dev);
-}
-
-//attachInterrupt bma423 int1
-void BMA::attachInterrupt()
-{
-    uint16_t rslt = BMA4_OK;
-    enableAccel();
-    // rslt |= bma423_reset_step_counter(&_dev);
-    rslt |= bma423_step_detector_enable(BMA4_ENABLE, &_dev);
-    rslt |= bma423_feature_enable(BMA423_STEP_CNTR, BMA4_ENABLE, &_dev);
-    rslt |= bma423_feature_enable(BMA423_WAKEUP, BMA4_ENABLE, &_dev);
-    rslt |= bma423_feature_enable(BMA423_TILT, BMA4_ENABLE, &_dev);
-    rslt |= bma423_step_counter_set_watermark(100, &_dev);
-
-    // rslt |= bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_STEP_CNTR_INT | BMA423_WAKEUP_INT, BMA4_ENABLE, &_dev);
-
-    rslt |= bma423_map_interrupt(BMA4_INTR1_MAP,  BMA423_STEP_CNTR_INT, BMA4_ENABLE, &_dev);
-    rslt |= bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_TILT_INT, BMA4_ENABLE, &_dev);
-
-    bma423_anymotion_enable_axis(BMA423_ALL_AXIS_DIS, &_dev);
-
-    struct bma4_int_pin_config config ;
-
-    config.edge_ctrl = BMA4_LEVEL_TRIGGER;
-    config.lvl = BMA4_ACTIVE_HIGH;
-    config.od = BMA4_PUSH_PULL;
-    config.output_en = BMA4_OUTPUT_ENABLE;
-    config.input_en = BMA4_INPUT_DISABLE;
-    rslt |= bma4_set_int_pin_config(&config, BMA4_INTR1_MAP, &_dev);
-
-    // Serial.printf("[bma4] attachInterrupt %s\n", rslt != 0 ? "fail" : "pass");
-
-
-    struct bma423_axes_remap remap_data;
-
-    remap_data.x_axis = 0;
-    remap_data.x_axis_sign = 1;
-    remap_data.y_axis = 1;
-    remap_data.y_axis_sign = 1;
-    remap_data.z_axis  = 2;
-    remap_data.z_axis_sign  = 0;
-
-    bma423_set_remap_axes(&remap_data, &_dev);
-
-}
-
-bool BMA::set_remap_axes(struct bma423_axes_remap *remap_data)
-{
-    return bma423_set_remap_axes(remap_data, &_dev);
-}
-
-bool BMA::readInterrupt()
-{
-    return bma423_read_int_status(&_irqStatus, &_dev) == BMA4_OK;
-}
-
-uint8_t BMA::getIrqStatus()
-{
-    return _irqStatus;
-}
-
-uint32_t BMA::getCounter()
-{
-    uint32_t stepCount;
-    if (bma423_step_counter_output(&stepCount, &_dev) == BMA4_OK) {
-        return stepCount;
-    }
-    return 0;
-}
-
-bool BMA::isStepCounter()
-{
-    return (bool)(BMA423_STEP_CNTR_INT & _irqStatus);
-}
-
-bool BMA::isDoubleClick()
-{
-    return (bool)(BMA423_WAKEUP_INT & _irqStatus);
-}
-
-
-bool BMA::isTilt()
-{
-    return (bool)(BMA423_TILT_INT & _irqStatus);
-}
-
-
-bool BMA::isActivity()
-{
-    return (bool)(BMA423_ACTIVITY_INT & _irqStatus);
-}
-
-bool BMA::isAnyNoMotion()
-{
-    return (bool)(BMA423_ANY_NO_MOTION_INT & _irqStatus);
-}
-
-
-const char *BMA::getActivity()
-{
-    uint8_t activity;
-    bma423_activity_output(&activity, &_dev);
-    if (activity & BMA423_USER_STATIONARY) {
-        return "BMA423_USER_STATIONARY";
-    } else if (activity & BMA423_USER_WALKING) {
-        return "BMA423_USER_WALKING";
-    } else if (activity & BMA423_USER_RUNNING) {
-        return "BMA423_USER_RUNNING";
-    } else if (activity & BMA423_STATE_INVALID) {
-        return "BMA423_STATE_INVALID";
-    }
-    return "None";
-}
-
-bool BMA::enableStepCountInterrupt(bool en)
-{
-    return  (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP,  BMA423_STEP_CNTR_INT, en, &_dev));
-}
-
-bool BMA::enableTiltInterrupt(bool en)
-{
-    return  (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_TILT_INT, en, &_dev));
-}
-
-bool BMA::enableWakeupInterrupt(bool en)
-{
-    return  (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_WAKEUP_INT, en, &_dev));
-}
-
-bool BMA::enableAnyNoMotionInterrupt(bool en)
-{
-    return  (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_ANY_NO_MOTION_INT, en, &_dev));
-}
-
-bool BMA::enableActivityInterrupt(bool en)
-{
-    return  (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_ACTIVITY_INT, en, &_dev));
-}
+#include "bma.h"
+#include <Arduino.h>
+
+I2CBus *BMA::_bus = nullptr;
+
+BMA::BMA(I2CBus &bus)
+{
+    _bus = &bus;
+}
+
+BMA::~BMA()
+{
+
+}
+
+uint16_t BMA::read(uint8_t addr, uint8_t reg, uint8_t *data, uint16_t len)
+{
+    return _bus->readBytes(addr, reg, data, len);
+}
+
+uint16_t BMA::write(uint8_t addr, uint8_t reg, uint8_t *data, uint16_t len)
+{
+    return _bus->writeBytes(addr, reg, data, len);
+}
+
+bool BMA::begin()
+{
+    _dev.dev_addr        = BMA4_I2C_ADDR_SECONDARY;
+    _dev.interface       = BMA4_I2C_INTERFACE;
+    _dev.bus_read        = read;
+    _dev.bus_write       = write;
+    _dev.delay           = delay;
+    _dev.read_write_len  = 8;
+    _dev.resolution      = 12;
+    _dev.feature_len     = BMA423_FEATURE_SIZE;
+
+    reset();
+
+    delay(20);
+
+    if (bma423_init(&_dev) != BMA4_OK) {
+        //Serial.println("bma4 init fail");
+        return false;
+    }
+
+    config();
+
+    return true;
+}
+
+void BMA::reset()
+{
+    uint8_t reg = 0xB6;
+    _bus->writeBytes(BMA4_I2C_ADDR_SECONDARY, 0x7E, &reg, 1);
+}
+
+uint16_t BMA::config()
+{
+    return bma423_write_config_file(&_dev);
+}
+
+bool BMA::getAccel(Accel &acc)
+{
+    memset(&acc, 0, sizeof(acc));
+    if (bma4_read_accel_xyz(&acc, &_dev) != BMA4_OK) {
+        return false;
+    }
+    return true;
+}
+
+uint8_t BMA::direction()
+{
+    Accel acc;
+    if (bma4_read_accel_xyz(&acc, &_dev) != BMA4_OK) {
+        return 0;
+    }
+    uint16_t absX = abs(acc.x);
+    uint16_t absY = abs(acc.y);
+    uint16_t absZ = abs(acc.z);
+
+    if ((absZ > absX) && (absZ > absY)) {
+        if (acc.z > 0) {
+            return  DIRECTION_DISP_DOWN;
+        } else {
+            return DIRECTION_DISP_UP;
+        }
+    } else if ((absY > absX) && (absY > absZ)) {
+        if (acc.y > 0) {
+            return DIRECTION_BOTTOM_EDGE;
+        } else {
+            return  DIRECTION_TOP_EDGE;
+        }
+    } else {
+        if (acc.x < 0) {
+            return  DIRECTION_RIGHT_EDGE;
+        } else {
+            return DIRECTION_LEFT_EDGE;
+        }
+    }
+}
+
+float BMA::temperature()
+{
+    int32_t data = 0;
+    bma4_get_temperature(&data, BMA4_DEG, &_dev);
+    float res = (float)data / (float)BMA4_SCALE_TEMP;
+    /* 0x80 - temp read from the register and 23 is the ambient temp added.
+     * If the temp read from register is 0x80, it means no valid
+     * information is available */
+    if (((data - 23) / BMA4_SCALE_TEMP) == 0x80) {
+        res = 0;
+    }
+    return res;
+}
+
+
+void BMA::enableAccel()
+{
+    if (bma4_set_accel_enable(BMA4_ENABLE, &_dev)) {
+        return;
+    }
+    Acfg cfg;
+    cfg.odr = BMA4_OUTPUT_DATA_RATE_100HZ;
+    cfg.range = BMA4_ACCEL_RANGE_2G;
+    cfg.bandwidth = BMA4_ACCEL_NORMAL_AVG4;
+    cfg.perf_mode = BMA4_CONTINUOUS_MODE;
+
+    if (bma4_set_accel_config(&cfg, &_dev)) {
+        Serial.println("[bma4] set accel config fail");
+        return;
+    }
+}
+
+void BMA::disalbeIrq()
+{
+    bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_STEP_CNTR_INT /* |BMA423_WAKEUP_INT*/, BMA4_DISABLE, &_dev);
+}
+
+void BMA::enableIrq()
+{
+    bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_STEP_CNTR_INT /* |BMA423_WAKEUP_INT*/, BMA4_ENABLE, &_dev);
+}
+
+//attachInterrupt bma423 int1
+void BMA::attachInterrupt()
+{
+    uint16_t rslt = BMA4_OK;
+    enableAccel();
+    // rslt |= bma423_reset_step_counter(&_dev);
+    rslt |= bma423_step_detector_enable(BMA4_ENABLE, &_dev);
+    rslt |= bma423_feature_enable(BMA423_STEP_CNTR, BMA4_ENABLE, &_dev);
+    rslt |= bma423_feature_enable(BMA423_WAKEUP, BMA4_ENABLE, &_dev);
+    rslt |= bma423_feature_enable(BMA423_TILT, BMA4_ENABLE, &_dev);
+    rslt |= bma423_step_counter_set_watermark(100, &_dev);
+
+    // rslt |= bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_STEP_CNTR_INT | BMA423_WAKEUP_INT, BMA4_ENABLE, &_dev);
+
+    rslt |= bma423_map_interrupt(BMA4_INTR1_MAP,  BMA423_STEP_CNTR_INT, BMA4_ENABLE, &_dev);
+    rslt |= bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_TILT_INT, BMA4_ENABLE, &_dev);
+
+    bma423_anymotion_enable_axis(BMA423_ALL_AXIS_DIS, &_dev);
+
+    struct bma4_int_pin_config config ;
+
+    config.edge_ctrl = BMA4_LEVEL_TRIGGER;
+    config.lvl = BMA4_ACTIVE_HIGH;
+    config.od = BMA4_PUSH_PULL;
+    config.output_en = BMA4_OUTPUT_ENABLE;
+    config.input_en = BMA4_INPUT_DISABLE;
+    rslt |= bma4_set_int_pin_config(&config, BMA4_INTR1_MAP, &_dev);
+
+    // Serial.printf("[bma4] attachInterrupt %s\n", rslt != 0 ? "fail" : "pass");
+
+
+    struct bma423_axes_remap remap_data;
+
+    remap_data.x_axis = 0;
+    remap_data.x_axis_sign = 1;
+    remap_data.y_axis = 1;
+    remap_data.y_axis_sign = 1;
+    remap_data.z_axis  = 2;
+    remap_data.z_axis_sign  = 0;
+
+    bma423_set_remap_axes(&remap_data, &_dev);
+
+}
+
+bool BMA::set_remap_axes(struct bma423_axes_remap *remap_data)
+{
+    return bma423_set_remap_axes(remap_data, &_dev);
+}
+
+bool BMA::readInterrupt()
+{
+    return bma423_read_int_status(&_irqStatus, &_dev) == BMA4_OK;
+}
+
+uint8_t BMA::getIrqStatus()
+{
+    return _irqStatus;
+}
+
+uint32_t BMA::getCounter()
+{
+    uint32_t stepCount;
+    if (bma423_step_counter_output(&stepCount, &_dev) == BMA4_OK) {
+        return stepCount;
+    }
+    return 0;
+}
+
+bool BMA::isStepCounter()
+{
+    return (bool)(BMA423_STEP_CNTR_INT & _irqStatus);
+}
+
+bool BMA::isDoubleClick()
+{
+    return (bool)(BMA423_WAKEUP_INT & _irqStatus);
+}
+
+
+bool BMA::isTilt()
+{
+    return (bool)(BMA423_TILT_INT & _irqStatus);
+}
+
+
+bool BMA::isActivity()
+{
+    return (bool)(BMA423_ACTIVITY_INT & _irqStatus);
+}
+
+bool BMA::isAnyNoMotion()
+{
+    return (bool)(BMA423_ANY_NO_MOTION_INT & _irqStatus);
+}
+
+
+const char *BMA::getActivity()
+{
+    uint8_t activity;
+    bma423_activity_output(&activity, &_dev);
+    if (activity & BMA423_USER_STATIONARY) {
+        return "BMA423_USER_STATIONARY";
+    } else if (activity & BMA423_USER_WALKING) {
+        return "BMA423_USER_WALKING";
+    } else if (activity & BMA423_USER_RUNNING) {
+        return "BMA423_USER_RUNNING";
+    } else if (activity & BMA423_STATE_INVALID) {
+        return "BMA423_STATE_INVALID";
+    }
+    return "None";
+}
+
+bool BMA::enableStepCountInterrupt(bool en)
+{
+    return  (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP,  BMA423_STEP_CNTR_INT, en, &_dev));
+}
+
+bool BMA::enableTiltInterrupt(bool en)
+{
+    return  (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_TILT_INT, en, &_dev));
+}
+
+bool BMA::enableWakeupInterrupt(bool en)
+{
+    return  (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_WAKEUP_INT, en, &_dev));
+}
+
+bool BMA::enableAnyNoMotionInterrupt(bool en)
+{
+    return  (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_ANY_NO_MOTION_INT, en, &_dev));
+}
+
+bool BMA::enableActivityInterrupt(bool en)
+{
+    return  (BMA4_OK == bma423_map_interrupt(BMA4_INTR1_MAP, BMA423_ACTIVITY_INT, en, &_dev));
+}
diff --git a/lib/libesp32/TTGO_TWatch_Library/src/bma.h b/lib/libesp32_div/TTGO_TWatch_Library/src/bma.h
old mode 100755
new mode 100644
similarity index 96%
rename from lib/libesp32/TTGO_TWatch_Library/src/bma.h
rename to lib/libesp32_div/TTGO_TWatch_Library/src/bma.h
index 31a13ec6c..f3104305b
--- a/lib/libesp32/TTGO_TWatch_Library/src/bma.h
+++ b/lib/libesp32_div/TTGO_TWatch_Library/src/bma.h
@@ -1,64 +1,64 @@
-
-#pragma once
-
-#include "bma423.h"
-#include "i2c_bus.h"
-
-
-enum {
-    DIRECTION_TOP_EDGE        = 0,
-    DIRECTION_BOTTOM_EDGE     = 1,
-    DIRECTION_LEFT_EDGE       = 2,
-    DIRECTION_RIGHT_EDGE      = 3,
-    DIRECTION_DISP_UP         = 4,
-    DIRECTION_DISP_DOWN       = 5
-} ;
-typedef struct bma4_dev Bma;
-typedef struct bma4_accel Accel;
-typedef struct bma4_accel_config Acfg;
-
-class BMA
-{
-public:
-    BMA(I2CBus &bus);
-    ~BMA();
-    bool begin();
-    void reset();
-    uint8_t direction();
-    float temperature();
-    void enableAccel();
-
-    void disalbeIrq();
-    void enableIrq();
-    void attachInterrupt();
-    uint32_t getCounter();
-    bool isStepCounter();
-    bool isDoubleClick();
-    bool readInterrupt();
-    bool isTilt();
-    bool isActivity();
-    bool isAnyNoMotion();
-    bool getAccel(Accel &acc);
-    uint8_t getIrqStatus();
-    const char * getActivity();
-
+
+#pragma once
+
+#include "bma423.h"
+#include "i2c_bus.h"
+
+
+enum {
+    DIRECTION_TOP_EDGE        = 0,
+    DIRECTION_BOTTOM_EDGE     = 1,
+    DIRECTION_LEFT_EDGE       = 2,
+    DIRECTION_RIGHT_EDGE      = 3,
+    DIRECTION_DISP_UP         = 4,
+    DIRECTION_DISP_DOWN       = 5
+} ;
+typedef struct bma4_dev Bma;
+typedef struct bma4_accel Accel;
+typedef struct bma4_accel_config Acfg;
+
+class BMA
+{
+public:
+    BMA(I2CBus &bus);
+    ~BMA();
+    bool begin();
+    void reset();
+    uint8_t direction();
+    float temperature();
+    void enableAccel();
+
+    void disalbeIrq();
+    void enableIrq();
+    void attachInterrupt();
+    uint32_t getCounter();
+    bool isStepCounter();
+    bool isDoubleClick();
+    bool readInterrupt();
+    bool isTilt();
+    bool isActivity();
+    bool isAnyNoMotion();
+    bool getAccel(Accel &acc);
+    uint8_t getIrqStatus();
+    const char * getActivity();
+
     bool set_remap_axes(struct bma423_axes_remap *remap_data);
-    bool enableStepCountInterrupt(bool en = true);
-    bool enableTiltInterrupt(bool en = true);
-    bool enableWakeupInterrupt(bool en = true);
-    bool enableAnyNoMotionInterrupt(bool en = true);
-    bool enableActivityInterrupt(bool en = true);
-
-private:
-    static uint16_t read(uint8_t dev_addr, uint8_t reg_addr, uint8_t *read_data, uint16_t len);
-    static uint16_t write(uint8_t dev_addr, uint8_t reg_addr, uint8_t *read_data, uint16_t len);
-
-    uint16_t config();
-    Bma _dev;
-    static bma4_com_fptr_t _read;
-    static bma4_com_fptr_t _write;
-    static I2CBus *_bus;
-    bool _irqRead = false;
-    uint16_t _irqStatus;
-
+    bool enableStepCountInterrupt(bool en = true);
+    bool enableTiltInterrupt(bool en = true);
+    bool enableWakeupInterrupt(bool en = true);
+    bool enableAnyNoMotionInterrupt(bool en = true);
+    bool enableActivityInterrupt(bool en = true);
+
+private:
+    static uint16_t read(uint8_t dev_addr, uint8_t reg_addr, uint8_t *read_data, uint16_t len);
+    static uint16_t write(uint8_t dev_addr, uint8_t reg_addr, uint8_t *read_data, uint16_t len);
+
+    uint16_t config();
+    Bma _dev;
+    static bma4_com_fptr_t _read;
+    static bma4_com_fptr_t _write;
+    static I2CBus *_bus;
+    bool _irqRead = false;
+    uint16_t _irqStatus;
+
 };
diff --git a/lib/libesp32/TTGO_TWatch_Library/src/bma4.c b/lib/libesp32_div/TTGO_TWatch_Library/src/bma4.c
old mode 100755
new mode 100644
similarity index 96%
rename from lib/libesp32/TTGO_TWatch_Library/src/bma4.c
rename to lib/libesp32_div/TTGO_TWatch_Library/src/bma4.c
index 01a59a2fd..221b20831
--- a/lib/libesp32/TTGO_TWatch_Library/src/bma4.c
+++ b/lib/libesp32_div/TTGO_TWatch_Library/src/bma4.c
@@ -1,4204 +1,4204 @@
-/*
-****************************************************************************
-* Copyright (C) 2015 - 2016 Bosch Sensortec GmbH
-*
-* File :bma4.c
-*
-* Date: 12 Oct 2017
-*
-* Revision: 2.1.9 $
-*
-* Usage: Sensor Driver for BMA4 family of sensors
-*
-****************************************************************************
-* Disclaimer
-*
-* Common:
-* Bosch Sensortec products are developed for the consumer goods industry.
-* They may only be used within the parameters of the respective valid
-* product data sheet.  Bosch Sensortec products are provided with the
-* express understanding that there is no warranty of fitness for a
-* particular purpose.They are not fit for use in life-sustaining,
-* safety or security sensitive systems or any system or device
-* that may lead to bodily harm or property damage if the system
-* or device malfunctions. In addition,Bosch Sensortec products are
-* not fit for use in products which interact with motor vehicle systems.
-* The resale and or use of products are at the purchasers own risk and
-* his own responsibility. The examination of fitness for the intended use
-* is the sole responsibility of the Purchaser.
-*
-* The purchaser shall indemnify Bosch Sensortec from all third party
-* claims, including any claims for incidental, or consequential damages,
-* arising from any product use not covered by the parameters of
-* the respective valid product data sheet or not approved by
-* Bosch Sensortec and reimburse Bosch Sensortec for all costs in
-* connection with such claims.
-*
-* The purchaser must monitor the market for the purchased products,
-* particularly with regard to product safety and inform Bosch Sensortec
-* without delay of all security relevant incidents.
-*
-* Engineering Samples are marked with an asterisk (*) or (e).
-* Samples may vary from the valid technical specifications of the product
-* series. They are therefore not intended or fit for resale to third
-* parties or for use in end products. Their sole purpose is internal
-* client testing. The testing of an engineering sample may in no way
-* replace the testing of a product series. Bosch Sensortec assumes
-* no liability for the use of engineering samples.
-* By accepting the engineering samples, the Purchaser agrees to indemnify
-* Bosch Sensortec from all claims arising from the use of engineering
-* samples.
-*
-* Special:
-* This software module (hereinafter called "Software") and any information
-* on application-sheets (hereinafter called "Information") is provided
-* free of charge for the sole purpose to support your application work.
-* The Software and Information is subject to the following
-* terms and conditions:
-*
-* The Software is specifically designed for the exclusive use for
-* Bosch Sensortec products by personnel who have special experience
-* and training. Do not use this Software if you do not have the
-* proper experience or training.
-*
-* This Software package is provided `` as is `` and without any expressed
-* or implied warranties,including without limitation, the implied warranties
-* of merchantability and fitness for a particular purpose.
-*
-* Bosch Sensortec and their representatives and agents deny any liability
-* for the functional impairment
-* of this Software in terms of fitness, performance and safety.
-* Bosch Sensortec and their representatives and agents shall not be liable
-* for any direct or indirect damages or injury, except as
-* otherwise stipulated in mandatory applicable law.
-*
-* The Information provided is believed to be accurate and reliable.
-* Bosch Sensortec assumes no responsibility for the consequences of use
-* of such Information nor for any infringement of patents or
-* other rights of third parties which may result from its use.
-* No license is granted by implication or otherwise under any patent or
-* patent rights of Bosch. Specifications mentioned in the Information are
-* subject to change without notice.
-**************************************************************************/
-/*! \file bma4.c
-    \brief Sensor Driver for BMA4 family of sensors */
-/***************************************************************************/
-/**\name        Header files
-****************************************************************************/
-#include "bma4.h"
-
-/***************************************************************************/
-/**\name    Static Data Buffer
-****************************************************************************/
-/* Local array to store the values read from the register
- * using read_regs API  */
-static uint8_t temp_buff[BMA4_MAX_BUFFER_SIZE] = {0};
-
-/***************************************************************************/
-/**\name        Local structures
-****************************************************************************/
-/*!
- * @brief Accel difference value of axis.
- */
-struct data_with_sign {
-    /*! Difference value */
-    int16_t val;
-    /*! Indicates negative value if set */
-    uint8_t is_negative;
-};
-
-/*!
- * @brief Accel data deviation from ideal value
- */
-struct offset_delta {
-    /*! Accel x axis */
-    struct data_with_sign x;
-    /*! Accel y axis */
-    struct data_with_sign y;
-    /*! Accel z axis */
-    struct data_with_sign z;
-};
-
-/*!
- * @brief Accel offset xyz structure
- */
-struct accel_offset {
-    /*! Accel offset X  data */
-    uint8_t x;
-    /*! Accel offset Y  data */
-    uint8_t y;
-    /*! Accel offset Z  data */
-    uint8_t z;
-};
-
-/*!
- * @brief Accel self test diff xyz data structure
- */
-struct selftest_delta_limit {
-    /*! Accel X  data */
-    int32_t x;
-    /*! Accel Y  data */
-    int32_t y;
-    /*! Accel Z  data */
-    int32_t z;
-};
-
-/*!
- * @brief Structure to store temp data values
- */
-struct accel_temp {
-    /*! Accel X temp data */
-    int32_t x;
-    /*! Accel Y temp data */
-    int32_t y;
-    /*! Accel Z temp data */
-    int32_t z;
-};
-
-/***************************************************************************/
-/*! Static Function Declarations
-****************************************************************************/
-
-/*!
- *  @brief This API validates the bandwidth and perfmode
- *  value set by the user.
- *
- *  param bandwidth[in] : bandwidth value set by the user.
- *  param perf_mode[in] : perf_mode value set by the user.
- */
-static uint16_t validate_bandwidth_perfmode(uint8_t bandwidth, uint8_t perf_mode);
-
-/*!
- *  @brief @brief This API validates the ODR value set by the user.
- *
- *  param bandwidth[in] : odr for accelerometer
- */
-static uint16_t validate_odr(uint8_t odr);
-
-/*!
- *  @brief This API is used to reset the FIFO related configurations
- *  in the fifo_frame structure.
- *
- *  @param dev[in,out]  : Structure instance of bma4_dev
- *
- */
-static void reset_fifo_data_structure(const struct bma4_dev *dev);
-
-/*!
- *  @brief This API computes the number of bytes of accel FIFO data
- *  which is to be parsed in header-less mode
- *
- *  @param[out] start_idx   : The start index for parsing data
- *  @param[out] len         : Number of bytes to be parsed
- *  @param[in]  acc_count   : Number of accelerometer frames to be read
- *  @param[in]  dev         : Structure instance of bma4_dev.
- *
- */
-static void get_accel_len_to_parse(uint16_t *start_idx, uint16_t *len, const uint16_t *acc_count,
-                                   const struct bma4_dev *dev);
-
-/*!
- *  @brief This API checks the fifo read data as empty frame, if it
- *  is empty frame then moves the index to last byte.
- *
- *  @param[in,out] data_index   : The index of the current data to
- *                                be parsed from fifo data
- *  @param[in]  dev             : Structure instance of bma4_dev.
- */
-static void check_empty_fifo(uint16_t *data_index, const struct bma4_dev *dev);
-
-/*!
- *  @brief This API is used to parse the accelerometer data from the
- *  FIFO data in header mode.
- *
- *  @param[in,out] accel_data   : Structure instance of bma4_accel where
- *                                the accelerometer data in FIFO is stored.
- *  @param[in,out] accel_length : Number of accelerometer frames
- *                                (x,y,z axes data)
- *  @param[in,out] dev          : Structure instance of bma4_dev.
- *
- */
-static void extract_accel_header_mode(struct bma4_accel *accel_data, uint16_t *accel_length,
-                                      const struct bma4_dev *dev);
-
-/*!
- *  @brief This API is used to parse the accelerometer data from the
- *  FIFO data in both header mode and header-less mode.
- *  It update the idx value which is used to store the index of
- *  the current data byte which is parsed.
- *
- *  @param[in,out] acc       : Structure instance of bma4_accel.
- *  @param[in,out] idx       : Index value of number of bytes parsed
- *  @param[in,out] acc_idx   : Index value of accelerometer data
- *                             (x,y,z axes) frame to be parsed
- *  @param[in] frm           : It consists of either fifo_data_enable
- *                             parameter (Accel and/or mag data enabled in FIFO)
- *                             in header-less mode or frame header data
- *                             in header mode
- *  @param[in]  dev          : Structure instance of bma4_dev.
- *
- */
-static void unpack_acc_frm(struct bma4_accel *acc, uint16_t *idx, uint16_t *acc_idx, uint8_t frm,
-                           const struct bma4_dev *dev);
-
-/*!
- *  @brief This API is used to parse the accelerometer data from the
- *  FIFO data and store it in the instance of the structure bma4_accel.
- *
- *  @param[out] accel_data        : Structure instance of bma4_accel where
- *                                  the parsed accel data bytes are stored.
- *  @param[in] data_start_index   : Index value of the accel data bytes
- *                                  which is to be parsed from the fifo data.
- *  @param[in] dev                :  Structure instance of bma4_dev.
- *
- */
-static void unpack_accel_data(struct bma4_accel *accel_data, uint16_t data_start_index, const struct bma4_dev *dev);
-/*!
- *  @brief This API computes the number of bytes of Mag FIFO data which is
- *  to be parsed in header-less mode
- *
- *  @param[out] start_idx   : The start index for parsing data
- *  @param[out] len         : Number of bytes to be parsed
- *  @param[in]  mag_count   : Number of magnetometer frames to be read
- *  @param[in]  dev         : Structure instance of bma4_dev.
- *
- */
-static void get_mag_len_to_parse(uint16_t *start_idx, uint16_t *len, const uint16_t *mag_count,
-                                 const struct bma4_dev *dev);
-/*!
- *  @brief This API is used to parse the magnetometer data from the
- *  FIFO data in header mode.
- *
- *  @param[in,out] data     : Structure instance of bma4_mag_xyzr where
- *                            the magnetometer data in FIFO is extracted
- *                            and stored.
- *  @param[in,out] len      : Number of magnetometer frames
- *                           (x,y,z,r data)
- *  @param[in,out] dev      : Structure instance of bma4_dev.
- *
- *  @return Result of API execution status
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- *
- */
-static uint16_t extract_mag_header_mode(struct bma4_mag *data, uint16_t *len, const struct bma4_dev *dev);
-
-/*!
- *  @brief This API is used to parse the magnetometer data from the
- *  FIFO data in both header mode and header-less mode and update the
- *  idx value which is used to store the index of the current
- *  data byte which is parsed.
- *
- *  @param data     : Structure instance of bma4_mag_xyzr.
- *  @param idx      : Index value of number of bytes parsed
- *  @param mag_idx  : Index value magnetometer data frame (x,y,z,r)
- *                    to be parsed
- *  @param frm      : It consists of either the fifo_data_enable parameter
- *                    (Accel and/or mag data enabled in FIFO) in
- *                    header-less mode and frame header data in header mode
- *  @param dev      : Structure instance of bma4_dev.
- *
- *  @return Result of API execution status
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- *
- */
-static uint16_t unpack_mag_frm(struct bma4_mag *data, uint16_t *idx, uint16_t *mag_idx, uint8_t frm,
-                               const struct bma4_dev *dev);
-
-/*!
- *  @brief This API is used to parse the auxiliary magnetometer data from
- *  the FIFO data and store it in the instance of the structure mag_data.
- *
- *  @param mag_data         : Structure instance of bma4_mag_xyzr where the
- *                            parsed magnetometer data bytes are stored.
- *  @param start_idx        : Index value of the magnetometer data bytes
- *                            which is to be parsed from the FIFO data
- *  @param dev              : Structure instance of bma4_dev.
- *
- *  @return Result of API execution status
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- *
- */
-static uint16_t unpack_mag_data(struct bma4_mag *mag_data, uint16_t start_idx, const struct bma4_dev *dev);
-
-/*!
- *  @brief This API is used to parse and store the sensor time from the
- *  FIFO data in the structure instance dev.
- *
- *  @param[in,out] data_index : Index of the FIFO data which
- *                              has the sensor time.
- *  @param[in,out] dev        : Structure instance of bma4_dev.
- *
- */
-static void unpack_sensortime_frame(uint16_t *data_index, const struct bma4_dev *dev);
-
-/*!
- *  @brief This API is used to parse and store the skipped_frame_count from
- *  the FIFO data in the structure instance dev.
- *
- *  @param[in,out] data_index       : Index of the FIFO data which
- *                                    has the skipped frame count.
- *  @param[in,out] dev              : Structure instance of bma4_dev.
- *
- */
-static void unpack_skipped_frame(uint16_t *data_index, const struct bma4_dev *dev);
-
-/*!
- *  @brief This API is used to parse and store the dropped_frame_count from
- *  the FIFO data in the structure instance dev.
- *
- *  @param[in,out] data_index       : Index of the FIFO data which
- *                                    has the dropped frame data.
- *  @param[in,out] dev              : Structure instance of bma4_dev.
- *
- */
-static void unpack_dropped_frame(uint16_t *data_index, const struct bma4_dev *dev);
-
-/*!
- *  @brief This API is used to move the data index ahead of the
- *  current_frame_length parameter when unnecessary FIFO data appears while
- *  extracting the user specified data.
- *
- *  @param[in,out] data_index       : Index of the FIFO data which
- *                                    is to be moved ahead of the
- *                                    current_frame_length
- *  @param[in] current_frame_length : Number of bytes in a particular frame
- *  @param[in] dev                  : Structure instance of bma4_dev.
- *
- */
-static void move_next_frame(uint16_t *data_index, uint8_t current_frame_length, const struct bma4_dev *dev);
-
-/*!
-*  @brief This API writes the config stream data in memory using burst mode
-*
-*  @param[in] stream_data : Pointer to store data of 32 bytes
-*  @param[in] index : Represents value in multiple of 32 bytes
-*  @param[in] dev : Structure instance of bma4_dev.
-*
-*  @return Result of API execution status
-*  @retval 0 -> Success
-*  @retval Any non zero value -> Fail
-*/
-static uint16_t stream_transfer_write(const uint8_t *stream_data, uint16_t index, struct bma4_dev *dev);
-
-/*!
- *  @brief This API enables or disables the Accel Self test feature in the
- *  sensor.
- *
- *  @param[in] accel_selftest_enable : Variable used to enable or disable
- *  the Accel self test feature
- *  Value   |  Description
- *  --------|---------------
- *  0x00    | BMA4_DISABLE
- *  0x01    | BMA4_ENABLE
- *
- *  @param[in] dev : Structure instance of bma4_dev
- *
- *  @return Result of API execution status
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- *
- */
-static uint16_t set_accel_selftest_enable(uint8_t accel_selftest_axis, struct bma4_dev *dev);
-
-/*!
- *  @brief This API selects the sign of Accel self-test excitation
- *
- *  @param[in] accel_selftest_sign: Variable used to select the Accel
- *  self test sign
- *  Value   |  Description
- *  --------|--------------------------
- *  0x00    | BMA4_DISABLE (negative)
- *  0x01    | BMA4_ENABLE (positive)
- *
- *  @param[in] dev : Structure instance of bma4_dev
- *
- *  @return Result of API execution status
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- *
- */
-static uint16_t set_accel_selftest_sign(uint8_t accel_selftest_sign, struct bma4_dev *dev);
-
-/*!
- *  @brief This API sets the Accel self test amplitude in the sensor.
- *
- *  @param[in] accel_selftest_amp : Variable used to specify the Accel self
- *  test amplitude
- *  Value   |  Description
- *  --------|------------------------------------
- *  0x00    | BMA4_SELFTEST_AMP_LOW
- *  0x01    | BMA4_SELFTEST_AMP_HIGH
- *
- *  @param[in] dev : structure instance of bma4_dev
- *
- *  @return Result of API execution status
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- *
- */
-static uint16_t set_accel_selftest_amp(uint8_t accel_selftest_amp, struct bma4_dev *dev);
-
-/*!
- *  @brief This function enables and configures the Accel which is needed
- *  for Self test operation.
- *
- *  @param[in] dev : Structure instance of bma4_dev
- *
- *  @return results of self test
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- *
- */
-static uint16_t set_accel_selftest_config(struct bma4_dev *dev);
-
-/*!
- *  @brief This API validates the Accel g value provided as input by the
- *  user for Accel offset compensation.
- *
- *  @param[in] gvalue : Pointer variable used to specify the g value
- *  set by the user for Accel offset compensation.
- *
- *  @note The g-values to be passed to the parameter should be
- *  multiples of 1000000.
- *
- *  @return results of the status of user input validation
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- *
- */
-static uint16_t validate_user_input(const int32_t *gvalue);
-/*!
- *  @brief This API converts the range value into corresponding integer
- *  value.
- *
- *  @param[in] range_in : input range value.
- *  @param[out] range_out : pointer to store the integer value of range.
- *
- *  @return results of the status of user input validation
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- *
- */
-static void map_range(uint8_t range_in, uint8_t *range_out);
-
-/*!
- *  @brief This API normalise the data with offset.
- *
- *  @param[out] compensated_data : pointer to store the compensated data.
- *  @param[in] offset_data : pointer of offset.
- *
- *  @return results of the status of user input validation
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- *
- */
-static void normalise_offset(const struct offset_delta *compensated_data, struct accel_offset *offset_data);
-
-/*!
- *  @brief This API normalise the data with offset.
- *
- *  @param[in] res : resolution of the sensor.
- *  @param[in] range : G-range of the accel.
- *  @param[in] delta : pointer of offset_delta.
- *  @param[out] data : pointer to store accel_offset data.
- *
- *  @return results of the status of user input validation
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- *
- */
-static void scale_offset(uint8_t res, uint8_t range, const struct offset_delta *delta, struct accel_offset *data);
-
-/*!
- *  @brief This API compensate the accel data against gravity.
- *
- *  @param[in] lsb_per_g : lsb value pre 1g.
- *  @param[in] g_val : G reference value of all axis.
- *  @param[in] data : pointer of accel_offset data.
- *  @param[out] comp_data : pointer to store compensated data.
- *
- *  @note The g-values to be passed to the parameter should be
- *  multiples of 1000000.
- *
- *  @return results of the status of user input validation
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- *
- */
-static void comp_for_grvty(uint16_t lsb_per_g, const int32_t g_val[3], const struct bma4_accel *data,
-                           struct offset_delta *comp_data);
-/*!
- *  @brief This function validates the Accel Self test data and decides the
- *  result of Self test operation.
- *
- *  @param[in] accel_data_diff : Pointer to structure variable which holds
- *  the Accel data difference of Self test operation
- *  @param[in] dev : Structure instance of bma4_dev
- *
- *  @return results of self test operation
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- *
- */
-static uint16_t validate_selftest(const struct selftest_delta_limit *accel_data_diff,
-                                  const struct bma4_dev *dev);
-
-/*!
- *  @brief This function configure the Accel for FOC.
- *
- *  @param[in] acc_conf : accel config structure instance
- *  @param[in] acc_en : enables the accel
- *  @param[in] pwr_mode : set the power mode
- *  @param[in] dev : Structure instance of bma4_dev
- *
- *  @return results of self test operation
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- *
- */
-static uint16_t foc_config(struct bma4_accel_config *acc_conf, uint8_t *acc_en, uint8_t *pwr_mode,
-                           struct bma4_dev *dev);
-
-/*!
- *  @brief This API converts lsb value of axes to mg for self-test
- *
- *  @param[in] accel_data_diff : Pointer variable used to pass accel difference
- *  values in g
- *  @param[out] accel_data_diff_mg : Pointer variable used to store accel
- *  difference values in mg
- *  @param[out] dev : Structure instance of bma4_dev
- *
- *  @return None *
- */
-static void convert_lsb_g(const struct selftest_delta_limit *accel_data_diff,
-                          struct selftest_delta_limit *accel_data_diff_mg,
-                          const struct bma4_dev *dev);
-
-/*!
- *  @brief This API sets the feature config. data start address in the sensor.
- *
- *  @param[in] dev  : Structure instance of bma4_dev.
- *
- *  @return Result of API execution status
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- */
-static uint16_t set_feature_config_start_addr(struct bma4_dev *dev);
-
-/*!
- *  @brief This API increments the feature config. data address according to the user
- *  provided read/write length in the dev structure.
- *
- *  @param[in] dev  : Structure instance of bma4_dev.
- *
- *  @return Result of API execution status
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- */
-static uint16_t increment_feature_config_addr(const struct bma4_dev *dev);
-
-/*!
- *  @brief This API reads the 8-bit data from the given register
- *  in the sensor.
- */
-static uint16_t read_regs(uint8_t addr, uint8_t *data, uint8_t len, const struct bma4_dev *dev);
-
-/*!
- *  @brief This API writes the 8-bit data to the given register
- *  in the sensor.
- */
-static uint16_t write_regs(uint8_t addr, uint8_t *data, uint8_t len, const struct bma4_dev *dev);
-
-/*!
- *  @brief This API sets the feature config. data start address in the sensor.
- */
-static uint16_t get_feature_config_start_addr(struct bma4_dev *dev);
-
-/*!
- * @brief This API is used to calculate the power of given
- * base value.
- *
- * @param[in] base : value of base
- * @param[in] resolution : resolution of the sensor
- *
- * @return : return the value of base^resolution
- */
-
-static int32_t power(int16_t base, uint8_t resolution);
-
-/*!
- * @brief This API performs roundoff on given value
- *
- * @param[in] value : Value which is need to be rounded off
- *
- * @return : None
- */
-static int8_t roundoff(int32_t value);
-
-/*!
- * @brief This API finds the bit position of 3.9mg according to given range
- * and resolution.
- *
- * @param[in] range : range of the accel.
- * @param[in] res : resolution of the accel.
- *
- * @return : bit position of 3.9mg
- */
-static int8_t get_bit_pos_3_9mg(uint8_t range, uint8_t res);
-
-/*!
- * @brief This API finds the the null error of the device pointer structure
- *
- * @param[in] dev : Structure instance of bma4_dev.
- *
- * @return Null error
- */
-static uint16_t bma4_null_pointer_check(const struct bma4_dev *dev);
-
-/*!
- * @brief This internal API brings up the secondary interface to access
- *          auxiliary sensor
- *
- * @param[in] dev : Structure instance of bma4_dev.
- *
- * @return Result of API execution status
- *
- * @retval 0 if success, else fail
- */
-static uint16_t bma4_set_aux_interface_config(struct bma4_dev *dev);
-
-/*!
- * @brief This internal API reads the data from the auxiliary sensor
- * depending on burst length configured
- *
- * @param[in] dev  : Structure instance of bma4_dev.
- * @param[out] aux_data  : Pointer variable to store data read
- * @param[in] aux_reg_addr  : Variable to pass address from where
- *                            data is to be read
- *
- * @return Result of API execution status
- *
- * @retval 0 if success, else fail
- */
-static uint16_t bma4_extract_aux_data(uint8_t aux_reg_addr, uint8_t *aux_data, uint16_t len, struct bma4_dev *dev);
-
-/*!
- * @brief This internal API maps the actual burst read length with user length set.
- *
- * @param[in] dev  : Structure instance of bma4_dev.
- * @param[out] len  : Pointer variable to store mapped length
- *
- * @return Result of API execution status
- *
- * @retval 0 if success, else fail
- */
-static uint16_t bma4_map_read_len(uint8_t *len, const struct bma4_dev *dev);
-
-/***************************************************************************/
-/**\name        Extern Declarations
-****************************************************************************/
-
-/***************************************************************************/
-/**\name        Globals
-****************************************************************************/
-
-
-/***************************************************************************/
-/**\name        Function definitions
-****************************************************************************/
-/*!
- *  @brief This API is the entry point.
- *  Call this API before using all other APIs.
- *  This API reads the chip-id of the sensor which is the first step to
- *  verify the sensor and also it configures the read mechanism of SPI and
- *  I2C interface.
- */
-uint16_t bma4_init(struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-    /* Check the bma4 structure as NULL */
-    if ((dev == NULL) || (dev->bus_read == NULL) || (dev->bus_write == NULL)) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        if (dev->interface == BMA4_SPI_INTERFACE)
-            dev->dummy_byte = 1;
-        else
-            dev->dummy_byte = 0;
-
-        rslt |= bma4_read_regs(BMA4_CHIP_ID_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            /* Assign Chip Id */
-            dev->chip_id = data;
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API is used to write the binary configuration in the sensor
- */
-uint16_t bma4_write_config_file(struct bma4_dev *dev)
-{
-    uint16_t rslt;
-    /* Config loading disable*/
-    uint8_t config_load = 0;
-    uint16_t index = 0;
-    uint8_t config_stream_status = 0;
-
-    /* Disable advanced power save */
-    rslt = bma4_set_advance_power_save(BMA4_DISABLE, dev);
-    /* Wait for sensor time synchronization. Refer the data-sheet for
-    more information*/
-    dev->delay(1);
-
-    if (rslt == BMA4_OK) {
-        /* Disable config loading*/
-        rslt |= bma4_write_regs(BMA4_INIT_CTRL_ADDR, &config_load, 1, dev);
-        /* Write the config stream */
-        for (index = 0; index < BMA4_CONFIG_STREAM_SIZE; index += dev->read_write_len)
-            rslt |= stream_transfer_write((dev->config_file_ptr + index), index, dev);
-
-        /* Enable config loading and FIFO mode */
-        config_load = 0x01;
-        rslt |= bma4_write_regs(BMA4_INIT_CTRL_ADDR, &config_load, 1, dev);
-        /* Wait till ASIC is initialized. Refer the data-sheet for
-        more information*/
-        dev->delay(150);
-        /* Read the status of config stream operation */
-        rslt |= bma4_read_regs(BMA4_INTERNAL_STAT, &config_stream_status, 1, dev);
-
-        if (config_stream_status != BMA4_ASIC_INITIALIZED) {
-            rslt |= BMA4_E_CONFIG_STREAM_ERROR;
-        } else {
-            /* Enable advanced power save */
-            rslt |= bma4_set_advance_power_save(BMA4_ENABLE, dev);
-            rslt |= get_feature_config_start_addr(dev);
-        }
-    }
-    return rslt;
-}
-
-/*!
- *  @brief This API checks whether the write operation requested is for feature
- *  config or register write and accordingly writes the data in the sensor.
- */
-uint16_t bma4_write_regs(uint8_t addr, uint8_t *data, uint8_t len, struct bma4_dev *dev)
-{
-    uint8_t i;
-    uint8_t loop_count;
-    uint8_t overflow;
-    uint8_t index;
-    uint16_t rslt = BMA4_OK;
-    uint8_t adv_pwr_save = 0;
-
-    /* Check the dev structure as NULL*/
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        if (addr == BMA4_FEATURE_CONFIG_ADDR) {
-            /* Disable APS if enabled before writing the feature config register */
-            rslt = bma4_get_advance_power_save(&adv_pwr_save, dev);
-            if (adv_pwr_save == BMA4_ENABLE) {
-                rslt |= bma4_set_advance_power_save(BMA4_DISABLE, dev);
-                /* Wait for sensor time synchronization. Refer the data-sheet for
-                more information*/
-                dev->delay(1);
-            }
-
-            if (((len % 2) == 0) && (len <= dev->feature_len) && (rslt == BMA4_OK)) {
-                if (dev->read_write_len < len) {
-                    /* Calculate the no of writes to be performed according
-                    to the read/write length */
-                    loop_count = len / dev->read_write_len;
-                    overflow = len % dev->read_write_len;
-                    index = 0;
-                    rslt = set_feature_config_start_addr(dev);
-                    for (i = 0; i < loop_count; i++) {
-                        rslt |= write_regs(BMA4_FEATURE_CONFIG_ADDR, data + index,
-                                           dev->read_write_len, dev);
-                        rslt |= increment_feature_config_addr(dev);
-                        index = index + dev->read_write_len;
-                    }
-                    if (overflow)
-                        rslt |= write_regs(BMA4_FEATURE_CONFIG_ADDR, data + index,
-                                           overflow, dev);
-                    rslt |= set_feature_config_start_addr(dev);
-                } else {
-                    rslt = write_regs(BMA4_FEATURE_CONFIG_ADDR, data, len, dev);
-                }
-            } else {
-                rslt = BMA4_E_RD_WR_LENGTH_INVALID;
-            }
-
-            if (rslt == BMA4_OK) {
-                /* Enable APS once write feature config register is done */
-                rslt = bma4_get_advance_power_save(&adv_pwr_save, dev);
-                if (adv_pwr_save == BMA4_DISABLE) {
-                    rslt |= bma4_set_advance_power_save(BMA4_ENABLE, dev);
-                    /* Wait for sensor time synchronization. Refer the data-sheet for
-                    more information*/
-                    dev->delay(1);
-                }
-            }
-
-        } else {
-            rslt = write_regs(addr, data, len, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API writes the 8-bit data to the given register
- *  in the sensor.
- */
-static uint16_t write_regs(uint8_t addr, uint8_t *data, uint8_t len, const struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        if (dev->interface == BMA4_SPI_INTERFACE)
-            addr = addr & BMA4_SPI_WR_MASK;
-        /* write data in the register*/
-        rslt |= dev->bus_write(dev->dev_addr, addr, data, len);
-    }
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the feature config. data start address in the sensor.
- */
-static uint16_t get_feature_config_start_addr(struct bma4_dev *dev)
-{
-    uint16_t rslt;
-    uint8_t asic_lsb;
-    uint8_t asic_msb;
-
-    rslt = read_regs(BMA4_RESERVED_REG_5B_ADDR, &asic_lsb, 1, dev);
-    rslt |= read_regs(BMA4_RESERVED_REG_5C_ADDR, &asic_msb, 1, dev);
-
-    /* Store asic info in dev structure */
-    dev->asic_data.asic_lsb = asic_lsb & 0x0F;
-    dev->asic_data.asic_msb = asic_msb;
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the feature config. data start address in the sensor.
- */
-static uint16_t set_feature_config_start_addr(struct bma4_dev *dev)
-{
-    uint16_t rslt;
-
-    rslt = write_regs(BMA4_RESERVED_REG_5B_ADDR, &dev->asic_data.asic_lsb, 1, dev);
-    rslt |= write_regs(BMA4_RESERVED_REG_5C_ADDR, &dev->asic_data.asic_msb, 1, dev);
-
-    return rslt;
-}
-
-/*!
- *  @brief This API increments the feature config. data address according to the user
- *  provided read/write length in the dev structure.
- */
-static uint16_t increment_feature_config_addr(const struct bma4_dev *dev)
-{
-    uint16_t rslt;
-    uint16_t asic_addr;
-    uint8_t asic_lsb;
-    uint8_t asic_msb;
-
-    /* Read the asic address from the sensor */
-    rslt = read_regs(BMA4_RESERVED_REG_5B_ADDR, &asic_lsb, 1, dev);
-    rslt |= read_regs(BMA4_RESERVED_REG_5C_ADDR, &asic_msb, 1, dev);
-    /* Get the asic address */
-    asic_addr = (asic_msb << 4) | (asic_lsb & 0x0F);
-    /* Sum the asic address with read/write length after converting from
-    byte to word */
-    asic_addr = asic_addr + (dev->read_write_len / 2);
-    /* Split the asic address */
-    asic_lsb = asic_addr & 0x0F;
-    asic_msb = (uint8_t)(asic_addr  >> 4);
-    /* Write the asic address in the sensor */
-    rslt |= write_regs(BMA4_RESERVED_REG_5B_ADDR, &asic_lsb, 1, dev);
-    rslt |= write_regs(BMA4_RESERVED_REG_5C_ADDR, &asic_msb, 1, dev);
-
-    return rslt;
-}
-
-/*!
- *  @brief This API checks whether the read operation requested is for feature
- *  or register read and accordingly reads the data from the sensor.
- */
-uint16_t bma4_read_regs(uint8_t addr, uint8_t *data, uint8_t len, struct bma4_dev *dev)
-{
-    uint8_t i;
-    uint8_t loop_count;
-    uint8_t overflow;
-    uint8_t index;
-    uint16_t rslt = BMA4_OK;
-    uint8_t adv_pwr_save = 0;
-
-    /* Check the dev structure as NULL*/
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        if (addr == BMA4_FEATURE_CONFIG_ADDR) {
-            /* Disable APS if enabled before reading the feature config register */
-            rslt = bma4_get_advance_power_save(&adv_pwr_save, dev);
-            if (adv_pwr_save == BMA4_ENABLE) {
-                rslt |= bma4_set_advance_power_save(BMA4_DISABLE, dev);
-                /* Wait for sensor time synchronization. Refer the data-sheet for
-                more information*/
-                dev->delay(1);
-            }
-
-            if (((len % 2) == 0) && (len <= dev->feature_len) && (rslt == BMA4_OK)) {
-                if (dev->read_write_len < len) {
-                    /* Calculate the no of writes to be performed according
-                    to the read/write length */
-                    loop_count = len / dev->read_write_len;
-                    overflow = len % dev->read_write_len;
-                    index = 0;
-                    rslt = set_feature_config_start_addr(dev);
-                    for (i = 0; i < loop_count; i++) {
-                        rslt |= read_regs(BMA4_FEATURE_CONFIG_ADDR, data + index,
-                                          dev->read_write_len, dev);
-                        rslt |= increment_feature_config_addr(dev);
-                        index = index + dev->read_write_len;
-                    }
-                    if (overflow)
-                        rslt |= read_regs(BMA4_FEATURE_CONFIG_ADDR, data + index,
-                                          overflow, dev);
-                    rslt |= set_feature_config_start_addr(dev);
-                } else {
-                    rslt = read_regs(BMA4_FEATURE_CONFIG_ADDR, data, len, dev);
-                }
-            } else {
-                rslt = BMA4_E_RD_WR_LENGTH_INVALID;
-            }
-            if (rslt == BMA4_OK) {
-                /* Enable APS once read feature config register is done */
-                rslt = bma4_get_advance_power_save(&adv_pwr_save, dev);
-                if (adv_pwr_save == BMA4_DISABLE) {
-                    rslt |= bma4_set_advance_power_save(BMA4_ENABLE, dev);
-                    /* Wait for sensor time synchronization. Refer the data-sheet for
-                    more information*/
-                    dev->delay(1);
-                }
-            }
-        } else {
-            rslt = read_regs(addr, data, len, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the 8-bit data from the given register
- *  in the sensor.
- */
-static uint16_t read_regs(uint8_t addr, uint8_t *data, uint8_t len, const struct bma4_dev *dev)
-{
-    /* variable used to return the status of communication result*/
-    uint16_t rslt = 0;
-    uint16_t temp_len = len + dev->dummy_byte;
-    uint16_t i;
-
-    if (dev->interface == BMA4_SPI_INTERFACE) {
-        /* SPI mask added */
-        addr = addr | BMA4_SPI_RD_MASK;
-    }
-
-    if (temp_len > BMA4_MAX_BUFFER_SIZE) {
-        /* Buffer size is not sufficient */
-        rslt |= BMA4_E_OUT_OF_RANGE;
-    }
-
-    if (rslt == BMA4_OK) {
-        /* Read the data from the register */
-        rslt |= dev->bus_read(dev->dev_addr, addr, temp_buff, temp_len);
-
-        for (i = 0; i < len; i++) {
-            /* Parsing and storing the valid data */
-            data[i] = temp_buff[i + dev->dummy_byte];
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the error status from the sensor.
- */
-uint16_t bma4_get_error_status(struct bma4_err_reg *err_reg, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Read the error codes*/
-        rslt |= bma4_read_regs(BMA4_ERROR_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            /* Fatal error*/
-            err_reg->fatal_err = BMA4_GET_BITS_POS_0(data, BMA4_FATAL_ERR);
-            /* Cmd error*/
-            err_reg->cmd_err = BMA4_GET_BITSLICE(data, BMA4_CMD_ERR);
-            /* User error*/
-            err_reg->err_code = BMA4_GET_BITSLICE(data, BMA4_ERR_CODE);
-            /* FIFO error*/
-            err_reg->fifo_err = BMA4_GET_BITSLICE(data, BMA4_FIFO_ERR);
-            /* Mag data ready error*/
-            err_reg->aux_err = BMA4_GET_BITSLICE(data, BMA4_AUX_ERR);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the sensor status from the sensor.
- */
-uint16_t bma4_get_status(uint8_t *status, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Read the error codes*/
-        rslt |= bma4_read_regs(BMA4_STATUS_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *status = data;
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the Accel data for x,y and z axis from the sensor.
- *  The data units is in LSB format.
- */
-uint16_t bma4_read_accel_xyz(struct bma4_accel *accel, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint16_t lsb = 0;
-    uint16_t msb = 0;
-    uint8_t data[BMA4_ACCEL_DATA_LENGTH] = {0};
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_DATA_8_ADDR, data, BMA4_ACCEL_DATA_LENGTH, dev);
-
-        if (rslt == BMA4_OK) {
-            msb = data[1];
-            lsb = data[0];
-            /* Accel data x axis */
-            accel->x = (int16_t)((msb << 8) | lsb);
-
-            msb = data[3];
-            lsb = data[2];
-            /* Accel data y axis */
-            accel->y = (int16_t)((msb << 8) | lsb);
-
-            msb = data[5];
-            lsb = data[4];
-            /* Accel data z axis */
-            accel->z = (int16_t)((msb << 8) | lsb);
-
-            if (dev->resolution == BMA4_12_BIT_RESOLUTION) {
-                accel->x = (accel->x / 0x10);
-                accel->y = (accel->y / 0x10);
-                accel->z = (accel->z / 0x10);
-            } else if (dev->resolution == BMA4_14_BIT_RESOLUTION) {
-                accel->x = (accel->x / 0x04);
-                accel->y = (accel->y / 0x04);
-                accel->z = (accel->z / 0x04);
-            }
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the sensor time of Sensor time gets updated
- *  with every update of data register or FIFO.
- */
-uint16_t bma4_get_sensor_time(uint32_t *sensor_time, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data[BMA4_SENSOR_TIME_LENGTH] = {0};
-    uint8_t msb = 0;
-    uint8_t xlsb = 0;
-    uint8_t lsb = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_SENSORTIME_0_ADDR, data, BMA4_SENSOR_TIME_LENGTH, dev);
-
-        if (rslt == BMA4_OK) {
-            msb = data[BMA4_SENSOR_TIME_MSB_BYTE];
-            xlsb = data[BMA4_SENSOR_TIME_XLSB_BYTE];
-            lsb = data[BMA4_SENSOR_TIME_LSB_BYTE];
-            *sensor_time = (uint32_t)((msb << 16) | (xlsb << 8) | lsb);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the chip temperature of sensor.
- *
- *  @note Using a scaling factor of 1000, to obtain integer values, which
- *  at the user end, are used to get accurate temperature value .
- *  BMA4_FAHREN_SCALED = 1.8 * 1000, BMA4_KELVIN_SCALED = 273.15 * 1000
- */
-uint16_t bma4_get_temperature(int32_t *temp, uint8_t temp_unit, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data[BMA4_TEMP_DATA_SIZE] = {0};
-    int32_t temp_raw_scaled = 0;
-
-    /* Check for Null pointer error */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Read temperature value from the register */
-        rslt |= bma4_read_regs(BMA4_TEMPERATURE_ADDR, data, BMA4_TEMP_DATA_SIZE, dev);
-
-        if (rslt == BMA4_OK)
-            temp_raw_scaled = (int32_t)data[BMA4_TEMP_BYTE] * BMA4_SCALE_TEMP;
-
-        /* '0' value read from the register corresponds to 23 degree C */
-        (*temp) = temp_raw_scaled + (BMA4_OFFSET_TEMP * BMA4_SCALE_TEMP);
-
-        switch (temp_unit) {
-        case BMA4_DEG:
-            break;
-
-        case BMA4_FAHREN:
-            /* Temperature in degree Fahrenheit */
-            (*temp) = (((*temp) / BMA4_SCALE_TEMP) * BMA4_FAHREN_SCALED) + (32 * BMA4_SCALE_TEMP);
-            break;
-
-        case BMA4_KELVIN:
-            /* Temperature in degree Kelvin */
-            (*temp) = (*temp) + BMA4_KELVIN_SCALED;
-            break;
-
-        default:
-            break;
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the Output data rate, Bandwidth, perf_mode
- *  and Range of accel.
- */
-uint16_t bma4_get_accel_config(struct bma4_accel_config *accel, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data[2] = {0};
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_ACCEL_CONFIG_ADDR, data, BMA4_ACCEL_CONFIG_LENGTH, dev);
-
-        if (rslt == BMA4_OK) {
-            /* To get the ODR */
-            accel->odr =  BMA4_GET_BITS_POS_0(data[0], BMA4_ACCEL_ODR);
-            /* To get the bandwidth */
-            accel->bandwidth = BMA4_GET_BITSLICE(data[0], BMA4_ACCEL_BW);
-            /* To get the under sampling mode */
-            accel->perf_mode = BMA4_GET_BITSLICE(data[0], BMA4_ACCEL_PERFMODE);
-            /* Read the Accel range */
-            accel->range = BMA4_GET_BITS_POS_0(data[1], BMA4_ACCEL_RANGE);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the output_data_rate, bandwidth, perf_mode
- *  and range of Accel.
- */
-uint16_t bma4_set_accel_config(const struct bma4_accel_config *accel, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t accel_config_data[2] = {0, 0};
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* check whether the bandwidth and perfmode
-            settings are valid */
-        rslt = validate_bandwidth_perfmode(accel->bandwidth, accel->perf_mode);
-
-        if (rslt == BMA4_OK) {
-            /* check ODR is valid */
-            rslt |= validate_odr(accel->odr);
-
-            if (rslt == BMA4_OK) {
-                accel_config_data[0] = accel->odr & BMA4_ACCEL_ODR_MSK;
-                accel_config_data[0] |= (uint8_t)(accel->bandwidth << BMA4_ACCEL_BW_POS);
-                accel_config_data[0] |= (uint8_t)(accel->perf_mode << BMA4_ACCEL_PERFMODE_POS);
-                accel_config_data[1] = accel->range & BMA4_ACCEL_RANGE_MSK;
-
-                /* Burst write is not possible in
-                suspend mode hence individual write is
-                used with delay of 1 ms */
-                rslt |= bma4_write_regs(BMA4_ACCEL_CONFIG_ADDR, &accel_config_data[0], 1, dev);
-                dev->delay(BMA4_GEN_READ_WRITE_DELAY);
-                rslt |= bma4_write_regs((BMA4_ACCEL_CONFIG_ADDR + 1), &accel_config_data[1],
-                                        1, dev);
-            }
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API validates the bandwidth and perf_mode
- *  value set by the user.
- */
-static uint16_t validate_bandwidth_perfmode(uint8_t bandwidth, uint8_t perf_mode)
-{
-    uint16_t rslt = BMA4_OK;
-
-    if (perf_mode == BMA4_CONTINUOUS_MODE) {
-        if (bandwidth > BMA4_ACCEL_NORMAL_AVG4) {
-            /* Invalid bandwidth error for continuous mode */
-            rslt = BMA4_E_OUT_OF_RANGE;
-        }
-    } else if (perf_mode == BMA4_CIC_AVG_MODE) {
-        if (bandwidth > BMA4_ACCEL_RES_AVG128) {
-            /* Invalid bandwidth error for CIC avg. mode */
-            rslt = BMA4_E_OUT_OF_RANGE;
-        }
-    } else {
-        rslt = BMA4_E_OUT_OF_RANGE;
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API validates the ODR value set by the user.
- */
-static uint16_t validate_odr(uint8_t odr)
-{
-    uint16_t rslt = BMA4_OK;
-
-    if ((odr < BMA4_OUTPUT_DATA_RATE_0_78HZ) || (odr > BMA4_OUTPUT_DATA_RATE_1600HZ)) {
-        /* If odr is not valid return error */
-        rslt = BMA4_E_OUT_OF_RANGE;
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the advance power save mode in the sensor.
- */
-uint16_t bma4_set_advance_power_save(uint8_t adv_pwr_save, struct bma4_dev *dev)
-{
-    uint16_t rslt = BMA4_OK;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_POWER_CONF_ADDR, &data, 1, dev);
-        if (rslt == BMA4_OK) {
-            data = BMA4_SET_BITS_POS_0(data, BMA4_ADVANCE_POWER_SAVE, adv_pwr_save);
-            rslt |= bma4_write_regs(BMA4_POWER_CONF_ADDR, &data, 1, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the status of advance power save mode
- *  from the sensor.
- */
-uint16_t bma4_get_advance_power_save(uint8_t *adv_pwr_save, struct bma4_dev *dev)
-{
-    uint16_t rslt = BMA4_OK;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_POWER_CONF_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *adv_pwr_save = BMA4_GET_BITS_POS_0(data, BMA4_ADVANCE_POWER_SAVE);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the FIFO self wake up functionality in the sensor.
- */
-uint16_t bma4_set_fifo_self_wakeup(uint8_t fifo_self_wakeup, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_POWER_CONF_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            data = BMA4_SET_BITSLICE(data, BMA4_FIFO_SELF_WAKE_UP, fifo_self_wakeup);
-            rslt |= bma4_write_regs(BMA4_POWER_CONF_ADDR, &data, 1, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API gets the status of FIFO self wake up functionality from
- *  the sensor.
- */
-uint16_t bma4_get_fifo_self_wakeup(uint8_t *fifo_self_wake_up, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_POWER_CONF_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *fifo_self_wake_up = BMA4_GET_BITSLICE(data, BMA4_FIFO_SELF_WAKE_UP);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API enables or disables the Accel in the sensor.
- */
-uint16_t bma4_set_accel_enable(uint8_t accel_en, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_POWER_CTRL_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            data = BMA4_SET_BITSLICE(data, BMA4_ACCEL_ENABLE, accel_en);
-            rslt |= bma4_write_regs(BMA4_POWER_CTRL_ADDR, &data, 1, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API checks whether Accel is enabled or not in the sensor.
- */
-uint16_t bma4_get_accel_enable(uint8_t *accel_en, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_POWER_CTRL_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *accel_en = BMA4_GET_BITSLICE(data, BMA4_ACCEL_ENABLE);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API is used to enable or disable auxiliary Mag
- *  in the sensor.
- */
-uint16_t bma4_set_mag_enable(uint8_t mag_en, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_POWER_CTRL_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            data = BMA4_SET_BITS_POS_0(data, BMA4_MAG_ENABLE, mag_en);
-            rslt |= bma4_write_regs(BMA4_POWER_CTRL_ADDR, &data, 1, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API is used to check whether the auxiliary Mag is enabled
- *  or not in the sensor.
- */
-uint16_t bma4_get_mag_enable(uint8_t *mag_en, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_POWER_CTRL_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *mag_en = BMA4_GET_BITS_POS_0(data, BMA4_MAG_ENABLE);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the SPI interface mode which is set for primary
- *  interface.
- */
-uint16_t bma4_get_spi_interface(uint8_t *spi, struct bma4_dev *dev)
-{
-    uint16_t rslt  = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Read SPI mode */
-        rslt |= bma4_read_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *spi = BMA4_GET_BITS_POS_0(data, BMA4_CONFIG_SPI3);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API configures the SPI interface Mode for primary interface
- */
-uint16_t bma4_set_spi_interface(uint8_t spi, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        if (spi <= BMA4_MAX_VALUE_SPI3) {
-            /* Write SPI mode */
-            rslt |= bma4_read_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
-
-            if (rslt == BMA4_OK) {
-                data = BMA4_SET_BITS_POS_0(data, BMA4_CONFIG_SPI3, spi);
-                rslt |= bma4_write_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
-            }
-        } else {
-            rslt |= BMA4_E_OUT_OF_RANGE;
-        }
-    }
-
-    return rslt;
-}
-
-/*!
-*  @brief This API writes the available sensor specific commands
-*  to the sensor.
-*/
-uint16_t bma4_set_command_register(uint8_t command_reg, struct bma4_dev *dev)
-{
-    uint16_t rslt  = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Write command register */
-        rslt |= bma4_write_regs(BMA4_CMD_ADDR, &command_reg, 1, dev);
-    }
-
-    return rslt;
-}
-
-/*!
- * @brief This API sets the I2C device address of auxiliary sensor
- */
-uint16_t bma4_set_i2c_device_addr(struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0, dev_id = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Write the auxiliary I2C device address */
-        rslt |= bma4_read_regs(BMA4_AUX_DEV_ID_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            dev_id = BMA4_SET_BITSLICE(data, BMA4_I2C_DEVICE_ADDR, dev->aux_config.aux_dev_addr);
-            rslt |= bma4_write_regs(BMA4_AUX_DEV_ID_ADDR, &dev_id, 1, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the register access on MAG_IF[2], MAG_IF[3],
- *  MAG_IF[4] in the sensor. This implies that the DATA registers are
- *  not updated with Mag values automatically.
- */
-uint16_t bma4_set_mag_manual_enable(uint8_t mag_manual, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Write the Mag manual*/
-        rslt |= bma4_read_regs(BMA4_AUX_IF_CONF_ADDR, &data, 1, dev);
-        dev->delay(BMA4_GEN_READ_WRITE_DELAY);
-
-        if (rslt == BMA4_OK) {
-            /* Set the bit of Mag manual enable */
-            data = BMA4_SET_BITSLICE(data, BMA4_MAG_MANUAL_ENABLE, mag_manual);
-            rslt |= bma4_write_regs(BMA4_AUX_IF_CONF_ADDR, &data, 1, dev);
-
-            if (rslt == BMA4_OK)
-                dev->aux_config.manual_enable = (uint8_t)mag_manual;
-        } else {
-            /*dev->mag_manual_enable = 0;*/
-            dev->aux_config.manual_enable = 0;
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API checks whether the Mag access is done manually or
- *  automatically in the sensor.
- *  If the Mag access is done through manual mode then Mag data registers
- *  in sensor are not updated automatically.
- */
-uint16_t bma4_get_mag_manual_enable(uint8_t *mag_manual, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Read Mag manual */
-        rslt |= bma4_read_regs(BMA4_AUX_IF_CONF_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *mag_manual = BMA4_GET_BITSLICE(data, BMA4_MAG_MANUAL_ENABLE);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the I2C interface configuration(if) mode
- *  for auxiliary Mag.
- */
-uint16_t bma4_set_aux_if_mode(uint8_t if_mode, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            data = BMA4_SET_BITSLICE(data, BMA4_IF_CONFIG_IF_MODE, if_mode);
-            rslt |= bma4_write_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API gets the address of the register of Aux Mag sensor
- *  where the data to be read.
- */
-uint16_t bma4_get_mag_read_addr(uint8_t *mag_read_addr, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_AUX_RD_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *mag_read_addr = BMA4_GET_BITS_POS_0(data, BMA4_READ_ADDR);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the address of the register of Aux Mag sensor
- *  where the data to be read.
- */
-uint16_t bma4_set_mag_read_addr(uint8_t mag_read_addr, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Write the Mag read address*/
-        rslt |= bma4_write_regs(BMA4_AUX_RD_ADDR, &mag_read_addr, 1, dev);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API gets the Aux Mag write address from the sensor.
- *  Mag write address is where the Mag data will be written.
- */
-uint16_t bma4_get_mag_write_addr(uint8_t *mag_write_addr, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_AUX_WR_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *mag_write_addr = BMA4_GET_BITS_POS_0(data, BMA4_WRITE_ADDR);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the Aux Mag write address in the sensor.
- *  Mag write address is where the Mag data will be written.
- */
-uint16_t bma4_set_mag_write_addr(uint8_t mag_write_addr, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL)
-        rslt |= BMA4_E_NULL_PTR;
-    else
-        rslt |= bma4_write_regs(BMA4_AUX_WR_ADDR, &mag_write_addr, 1, dev);
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the data from the sensor which is written to the
- *  Mag.
- */
-uint16_t bma4_get_mag_write_data(uint8_t *mag_write_data, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_AUX_WR_DATA_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *mag_write_data = BMA4_GET_BITS_POS_0(data, BMA4_WRITE_DATA);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the data in the sensor which in turn will
- *  be written to Mag.
- */
-uint16_t bma4_set_mag_write_data(uint8_t mag_write_data, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL)
-        rslt |= BMA4_E_NULL_PTR;
-    else
-        rslt |= bma4_write_regs(BMA4_AUX_WR_DATA_ADDR, &mag_write_data, 1, dev);
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the x,y,z and r axis data from the auxiliary
- *  Mag BMM150/AKM9916 sensor.
- */
-uint16_t bma4_read_mag_xyzr(struct bma4_mag_xyzr *mag, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint16_t msb = 0;
-    uint16_t lsb = 0;
-    uint8_t data[BMA4_MAG_XYZR_DATA_LENGTH] = {0};
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_DATA_0_ADDR, data, BMA4_MAG_XYZR_DATA_LENGTH, dev);
-
-        if (rslt == BMA4_OK) {
-            /* Data X */
-            /* X-axis LSB value shifting */
-            lsb = BMA4_GET_BITSLICE(data[BMA4_MAG_X_LSB_BYTE], BMA4_DATA_MAG_X_LSB);
-            msb = data[BMA4_MAG_X_MSB_BYTE];
-            mag->x = (int16_t)((msb << 8) | lsb);
-            mag->x = (mag->x / 0x08);
-
-            /* Data Y */
-            /* Y-axis LSB value shifting */
-            lsb = BMA4_GET_BITSLICE(data[BMA4_MAG_Y_LSB_BYTE], BMA4_DATA_MAG_Y_LSB);
-            msb = data[BMA4_MAG_Y_MSB_BYTE];
-            mag->y = (int16_t)((msb << 8) |  lsb);
-            mag->y = (mag->y / 0x08);
-
-            /* Data Z */
-            /* Z-axis LSB value shifting */
-            lsb = BMA4_GET_BITSLICE(data[BMA4_MAG_Z_LSB_BYTE], BMA4_DATA_MAG_Z_LSB);
-            msb = data[BMA4_MAG_Z_MSB_BYTE];
-            mag->z = (int16_t)((msb << 8) | lsb);
-            mag->z = (mag->z / 0x02);
-
-            /* RHall */
-            /* R-axis LSB value shifting */
-            lsb = BMA4_GET_BITSLICE(data[BMA4_MAG_R_LSB_BYTE], BMA4_DATA_MAG_R_LSB);
-            msb = data[BMA4_MAG_R_MSB_BYTE];
-            mag->r = (int16_t)((msb << 8) | lsb);
-            mag->r = (mag->r / 0x04);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the burst data length (1,2,6,8 byte) of auxiliary
- *  Mag sensor.
- */
-uint16_t bma4_set_mag_burst(uint8_t mag_burst, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Write auxiliary burst mode length*/
-        rslt |= bma4_read_regs(BMA4_AUX_IF_CONF_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            data = BMA4_SET_BITS_POS_0(data, BMA4_MAG_BURST, mag_burst);
-            rslt |= bma4_write_regs(BMA4_AUX_IF_CONF_ADDR, &data, 1, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the burst data length of Mag set in the sensor.
- */
-uint16_t bma4_get_mag_burst(uint8_t *mag_burst, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Write Mag burst mode length*/
-        rslt |= bma4_read_regs(BMA4_AUX_IF_CONF_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *mag_burst = BMA4_GET_BITS_POS_0(data, BMA4_MAG_BURST);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the FIFO data of Accel and/or Mag sensor
- */
-uint16_t bma4_read_fifo_data(struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-    uint8_t addr = BMA4_FIFO_DATA_ADDR;
-    /* check the bma4 structure as NULL*/
-    if (dev == NULL || dev->fifo == NULL || dev->fifo->data == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        reset_fifo_data_structure(dev);
-        /* read FIFO data*/
-        if (dev->interface == BMA4_SPI_INTERFACE)
-            addr = addr | BMA4_SPI_RD_MASK;
-
-        rslt |= dev->bus_read(dev->dev_addr, addr, dev->fifo->data, dev->fifo->length);
-        /* read fifo frame content configuration*/
-        rslt |= bma4_read_regs(BMA4_FIFO_CONFIG_1_ADDR, &data, 1, dev);
-        /* filter fifo header enabled status */
-        dev->fifo->fifo_header_enable = data & BMA4_FIFO_HEADER;
-        /* filter accel/mag data enabled status */
-        dev->fifo->fifo_data_enable = data & BMA4_FIFO_M_A_ENABLE;
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API parses and extracts the accelerometer frames from
- *  FIFO data read by the "bma4_read_fifo_data" API and stores it in the
- *  "accel_data" structure instance.
- */
-uint16_t bma4_extract_accel(struct bma4_accel *accel_data, uint16_t *accel_length, const struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint16_t data_index = 0;
-    uint16_t accel_index = 0;
-    uint16_t data_read_length = 0;
-
-    if (dev == NULL || dev->fifo == NULL || dev->fifo->data == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Parsing the FIFO data in header-less mode */
-        if (dev->fifo->fifo_header_enable == 0) {
-            get_accel_len_to_parse(&data_index, &data_read_length, accel_length, dev);
-
-            for (; data_index < data_read_length;) {
-                unpack_acc_frm(accel_data, &data_index, &accel_index, dev->fifo->fifo_data_enable, dev);
-                /*Check for the availability of next
-                two bytes of FIFO data */
-                check_empty_fifo(&data_index, dev);
-            }
-            /* update number of accel data read*/
-            *accel_length = accel_index;
-            /*update the accel byte index*/
-            dev->fifo->accel_byte_start_idx = data_index;
-        } else {
-            /* Parsing the FIFO data in header mode */
-            extract_accel_header_mode(accel_data, accel_length, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API parses and extracts the magnetometer frames from
- *  FIFO data read by the "bma4_read_fifo_data" API and stores it in the
- *  "mag_data" structure instance parameter of this API
- */
-uint16_t bma4_extract_mag(struct bma4_mag *mag_data, uint16_t *mag_length, const struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint16_t data_index = 0;
-    uint16_t mag_index = 0;
-    uint16_t data_read_length = 0;
-
-    if (dev == NULL || dev->fifo == NULL || dev->fifo->data == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Parsing the FIFO data in header-less mode */
-        if (dev->fifo->fifo_header_enable == 0) {
-            get_mag_len_to_parse(&data_index, &data_read_length, mag_length, dev);
-            for (; data_index < data_read_length;) {
-                rslt |= unpack_mag_frm(mag_data, &data_index, &mag_index,
-                                       dev->fifo->fifo_data_enable, dev);
-                /*Check for the availability of next
-                two bytes of FIFO data */
-                check_empty_fifo(&data_index, dev);
-            }
-            /* update number of Aux. sensor data read*/
-            *mag_length = mag_index;
-            /*update the Aux. sensor frame index*/
-            dev->fifo->mag_byte_start_idx = data_index;
-        } else {
-            /* Parsing the FIFO data in header mode */
-            rslt |= extract_mag_header_mode(mag_data, mag_length, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the FIFO water mark level which is set
- *  in the sensor.
- */
-uint16_t bma4_get_fifo_wm(uint16_t *fifo_wm, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data[2] = {0, 0};
-
-    /* Check the bma4  structure as NULL*/
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Read the FIFO water mark level*/
-        rslt |= bma4_read_regs(BMA4_FIFO_WTM_0_ADDR, data, BMA4_FIFO_WM_LENGTH, dev);
-
-        if (BMA4_OK == rslt)
-            *fifo_wm = (data[1] << 8) | (data[0]);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the FIFO watermark level in the sensor.
- */
-uint16_t bma4_set_fifo_wm(uint16_t fifo_wm, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data[2] = {0, 0};
-
-    /* Check the bma4  structure as NULL*/
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-
-        data[0] = BMA4_GET_LSB(fifo_wm);
-        data[1] = BMA4_GET_MSB(fifo_wm);
-        /* consecutive write is not possible in suspend mode hence
-             separate write is used with delay of 1 ms*/
-        /* Write the fifo watermark level*/
-        rslt |= bma4_write_regs(BMA4_FIFO_WTM_0_ADDR, &data[0], 1, dev);
-        dev->delay(BMA4_GEN_READ_WRITE_DELAY);
-        rslt |= bma4_write_regs((BMA4_FIFO_WTM_0_ADDR + 1), &data[1], 1, dev);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API checks whether the Accel FIFO data is set for filtered
- *  or unfiltered mode.
- */
-uint16_t bma4_get_accel_fifo_filter_data(uint8_t *accel_fifo_filter, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Read the Accel FIFO filter data */
-        rslt |= bma4_read_regs(BMA4_FIFO_DOWN_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *accel_fifo_filter = BMA4_GET_BITSLICE(data, BMA4_FIFO_FILTER_ACCEL);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the condition of Accel FIFO data either to
- *  filtered or unfiltered mode.
- */
-uint16_t bma4_set_accel_fifo_filter_data(uint8_t accel_fifo_filter, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        if (accel_fifo_filter <= BMA4_MAX_VALUE_FIFO_FILTER) {
-            rslt |= bma4_read_regs(BMA4_FIFO_DOWN_ADDR, &data, 1, dev);
-
-            if (rslt == BMA4_OK) {
-                /* Write Accel FIFO filter data */
-                data = BMA4_SET_BITSLICE(data, BMA4_FIFO_FILTER_ACCEL, accel_fifo_filter);
-                rslt |= bma4_write_regs(BMA4_FIFO_DOWN_ADDR, &data, 1, dev);
-            }
-        } else {
-            rslt |= BMA4_E_OUT_OF_RANGE;
-        }
-    }
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the down sampling rates which is configured
- *  for Accel FIFO data.
- */
-uint16_t bma4_get_fifo_down_accel(uint8_t *fifo_down, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Read the Accel FIFO down data */
-        rslt |= bma4_read_regs(BMA4_FIFO_DOWN_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *fifo_down = BMA4_GET_BITSLICE(data, BMA4_FIFO_DOWN_ACCEL);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the down-sampling rates for Accel FIFO.
- */
-uint16_t bma4_set_fifo_down_accel(uint8_t fifo_down, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Write the Accel FIFO down data */
-        rslt |= bma4_read_regs(BMA4_FIFO_DOWN_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            data = BMA4_SET_BITSLICE(data, BMA4_FIFO_DOWN_ACCEL, fifo_down);
-            rslt |= bma4_write_regs(BMA4_FIFO_DOWN_ADDR, &data, 1, dev);
-        }
-    }
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the length of FIFO data available in the sensor
- *  in the units of bytes.
- */
-uint16_t bma4_get_fifo_length(uint16_t *fifo_length, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t index = 0;
-    uint8_t data[BMA4_FIFO_DATA_LENGTH] = {0, 0};
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Read FIFO length*/
-        rslt |= bma4_read_regs(BMA4_FIFO_LENGTH_0_ADDR, data, BMA4_FIFO_DATA_LENGTH, dev);
-
-        if (rslt == BMA4_OK) {
-            index = BMA4_FIFO_LENGTH_MSB_BYTE;
-            data[index] = BMA4_GET_BITS_POS_0(data[index], BMA4_FIFO_BYTE_COUNTER_MSB);
-            *fifo_length = ((data[index] << 8) | data[index - 1]);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API aligns and compensates the Mag data of BMM150/AKM9916
- *  sensor.
- */
-uint16_t bma4_second_if_mag_compensate_xyz(struct bma4_mag_fifo_data mag_fifo_data,
-        uint8_t mag_second_if, struct bma4_mag *compensated_mag_data)
-{
-    uint16_t rslt = 0;
-#ifdef BMM150
-    int16_t mag_x = 0;
-    int16_t mag_y = 0;
-    int16_t mag_z = 0;
-    uint16_t mag_r = 0;
-#endif
-
-    switch (mag_second_if) {
-#ifdef BMM150
-    case BMA4_SEC_IF_BMM150:
-        /* X data*/
-        mag_x = (int16_t)((mag_fifo_data.mag_x_msb << 8) | (mag_fifo_data.mag_x_lsb));
-        mag_x = (int16_t) (mag_x / 0x08);
-
-        /* Y data*/
-        mag_y = (int16_t)((mag_fifo_data.mag_y_msb << 8) | (mag_fifo_data.mag_y_lsb));
-        mag_y = (int16_t) (mag_y / 0x08);
-
-        /* Z data*/
-        mag_z = (int16_t)((mag_fifo_data.mag_z_msb << 8) | (mag_fifo_data.mag_z_lsb));
-        mag_z = (int16_t) (mag_z / 0x02);
-
-        /* R data*/
-        mag_r = (uint16_t)((mag_fifo_data.mag_r_y2_msb << 8) | (mag_fifo_data.mag_r_y2_lsb));
-        mag_r = (uint16_t) (mag_r >> 2);
-
-        /* Compensated Mag x data */
-        compensated_mag_data->x = bma4_bmm150_mag_compensate_X(mag_x, mag_r);
-
-        /* Compensated Mag y data */
-        compensated_mag_data->y = bma4_bmm150_mag_compensate_Y(mag_y, mag_r);
-
-        /* Compensated Mag z data */
-        compensated_mag_data->z = bma4_bmm150_mag_compensate_Z(mag_z, mag_r);
-        break;
-#endif
-
-#ifdef AKM9916
-
-    case BMA4_SEC_IF_AKM09916:
-        /* Compensated X data */
-        compensated_mag_data->x = (int16_t)((mag_fifo_data.mag_x_msb << 8) | (mag_fifo_data.mag_x_lsb));
-        /* Compensated Y data*/
-        compensated_mag_data->y = (int16_t)((mag_fifo_data.mag_y_msb << 8) | (mag_fifo_data.mag_y_lsb));
-        /* Compensated Z data*/
-        compensated_mag_data->z = (int16_t)((mag_fifo_data.mag_z_msb << 8) | (mag_fifo_data.mag_z_lsb));
-        break;
-
-#endif
-    default:
-        rslt |= BMA4_E_OUT_OF_RANGE;
-        break;
-    }
-    return rslt;
-}
-
-/*!
- *  @brief This API reads Mag. x,y and z axis data from either BMM150 or
- *  AKM9916 sensor
- */
-uint16_t bma4_read_mag_xyz(struct bma4_mag *mag, uint8_t sensor_select, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-
-#if defined(AKM9916) || defined(BMM150)
-    uint8_t index;
-    uint16_t msb = 0;
-    uint16_t lsb = 0;
-    uint8_t data[BMA4_MAG_XYZ_DATA_LENGTH] = {0};
-#endif
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        switch (sensor_select) {
-
-#if defined(BMM150)
-
-        case BMA4_SEC_IF_BMM150:
-            rslt |= bma4_read_regs(BMA4_DATA_0_ADDR, data, BMA4_MAG_XYZ_DATA_LENGTH, dev);
-
-            if (rslt == BMA4_OK) {
-                index = BMA4_MAG_X_LSB_BYTE;
-                /*X-axis LSB value shifting*/
-                data[index] = BMA4_GET_BITSLICE(data[index], BMA4_DATA_MAG_X_LSB);
-                /* Data X */
-                msb = data[index + 1];
-                lsb = data[index];
-                mag->x = (int16_t)((msb << 8) | lsb);
-                mag->x = (mag->x / 0x08);
-
-                /* Data Y */
-                /*Y-axis LSB value shifting*/
-                data[index + 2] = BMA4_GET_BITSLICE(data[index + 2], BMA4_DATA_MAG_Y_LSB);
-                msb = data[index + 3];
-                lsb = data[index + 2];
-                mag->y = (int16_t)((msb << 8) | lsb);
-                mag->y = (mag->y / 0x08);
-
-                /* Data Z */
-                /*Z-axis LSB value shifting*/
-                data[index + 4] = BMA4_GET_BITSLICE(data[index + 4], BMA4_DATA_MAG_Z_LSB);
-                msb = data[index + 5];
-                lsb = data[index + 4];
-                mag->z = (int16_t)((msb << 8) | lsb);
-                mag->z = (mag->z / 0x02);
-            }
-            break;
-#endif
-
-#if defined(AKM9916)
-        case BMA4_SEC_IF_AKM09916:
-
-            if (AKM9916_SENSOR == dev->aux_sensor) {
-                rslt |= bma4_read_regs(BMA4_DATA_0_ADDR, data, BMA4_MAG_XYZ_DATA_LENGTH, dev);
-
-                if (rslt == BMA4_OK) {
-                    index = BMA4_MAG_X_LSB_BYTE;
-                    /* Data X */
-                    msb = data[index + 1];
-                    lsb = data[index];
-                    mag->x = (int16_t)((msb << 8) | lsb);
-
-                    /* Data Y */
-                    msb = data[index + 3];
-                    lsb = data[index + 2];
-                    mag->y  = (int32_t)((msb << 8) | lsb);
-
-                    /* Data Z */
-                    msb = data[index + 5];
-                    lsb = data[index + 4];
-                    mag->z = (int16_t)((msb << 8) | lsb);
-                }
-            }
-            break;
-#endif
-
-        default:
-            rslt |= BMA4_E_OUT_OF_RANGE;
-            break;
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the auxiliary I2C interface configuration which
- *  is set in the sensor.
- */
-uint16_t bma4_get_if_mode(uint8_t *if_mode, struct bma4_dev *dev)
-{
-    uint16_t rslt  = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Read auxiliary interface configuration */
-        rslt |= bma4_read_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *if_mode = BMA4_GET_BITSLICE(data, BMA4_IF_CONFIG_IF_MODE);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the auxiliary interface configuration in the
- *  sensor.
- */
-uint16_t bma4_set_if_mode(uint8_t if_mode, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        if (if_mode <= BMA4_MAX_IF_MODE) {
-            /* Write the interface configuration mode */
-            rslt |= bma4_read_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
-            if (rslt == BMA4_OK) {
-                data = BMA4_SET_BITSLICE(data, BMA4_IF_CONFIG_IF_MODE, if_mode);
-                rslt |= bma4_write_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
-            }
-        } else {
-            rslt |= BMA4_E_OUT_OF_RANGE;
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the data ready status of Accel from the sensor.
- */
-uint16_t bma4_get_accel_data_rdy(uint8_t *data_rdy, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /*Reads the status of Accel data ready*/
-        rslt |= bma4_read_regs(BMA4_STATUS_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *data_rdy = BMA4_GET_BITSLICE(data, BMA4_STAT_DATA_RDY_ACCEL);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the data ready status of Mag from the sensor.
- *  The status get reset when Mag data register is read.
- */
-uint16_t bma4_get_mag_data_rdy(uint8_t *data_rdy, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /*Reads the status of Accel data ready*/
-        rslt |= bma4_read_regs(BMA4_STATUS_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK)
-            *data_rdy = BMA4_GET_BITSLICE(data, BMA4_STAT_DATA_RDY_MAG);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the ASIC status from the sensor.
- *  The status information is mentioned in the below table.
- */
-uint16_t bma4_get_asic_status(struct bma4_asic_status *asic_status, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Read the Mag I2C device address*/
-        rslt |= bma4_read_regs(BMA4_INTERNAL_ERROR, &data, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            asic_status->sleep = (data & 0x01);
-            asic_status->irq_ovrn = ((data & 0x02) >> 0x01);
-            asic_status->wc_event = ((data & 0x04) >> 0x02);
-            asic_status->stream_transfer_active = ((data & 0x08) >> 0x03);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API enables the offset compensation for filtered and
- *  unfiltered  Accel data.
- */
-uint16_t bma4_set_offset_comp(uint8_t offset_en, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_NV_CONFIG_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            /* Write Accel FIFO filter data */
-            data = BMA4_SET_BITSLICE(data, BMA4_NV_ACCEL_OFFSET, offset_en);
-            rslt |= bma4_write_regs(BMA4_NV_CONFIG_ADDR, &data, 1, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API gets the status of Accel offset compensation
- */
-uint16_t bma4_get_offset_comp(uint8_t *offset_en, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_NV_CONFIG_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            /* Write Accel FIFO filter data */
-            *offset_en = BMA4_GET_BITSLICE(data, BMA4_NV_ACCEL_OFFSET);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API performs Fast Offset Compensation for Accel.
- *
- *  @note The g-values to be passed to the parameter should be
- *  multiples of 1000000.
- */
-uint16_t bma4_perform_accel_foc(const int32_t accel_g_value[3], struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    struct bma4_accel accel_value[10] = { {0} };
-    struct accel_offset offset = {0};
-    struct offset_delta delta = { {0} };
-    struct bma4_accel_config acc_conf = {0};
-    uint8_t accel_en = 0;
-    uint8_t adv_pwr_save = 0;
-    uint8_t range = 0;
-    uint16_t lsb_per_g = 0;
-    struct accel_temp temp = {0};
-    struct bma4_accel avg = {0};
-    struct bma4_accel accel_data = {0};
-    uint8_t i = 0;
-
-    /* used to validate user input */
-    rslt |= validate_user_input(accel_g_value);
-
-    if (BMA4_OK ==  rslt) {
-        /* Configure accel config, accel enable and
-        advance power save for FOC */
-        rslt |= foc_config(&acc_conf, &accel_en, &adv_pwr_save, dev);
-
-        /*TO DO: Check for data ready status before
-        reading accel values*/
-
-        if (BMA4_OK == rslt) {
-            /* Giving a delay of 20ms before reading accel data
-            since odr is configured as 50Hz */
-            for (i = 0; i < 10; i++) {
-                dev->delay(20);
-                rslt |= bma4_read_accel_xyz(&accel_value[i], dev);
-                temp.x = temp.x + (int32_t)accel_value[i].x;
-                temp.y = temp.y + (int32_t)accel_value[i].y;
-                temp.z = temp.z + (int32_t)accel_value[i].z;
-            }
-
-            /* Take average of x, y and z data for lesser noise */
-            avg.x = (int16_t)(temp.x / 10);
-            avg.y = (int16_t)(temp.y / 10);
-            avg.z = (int16_t)(temp.z / 10);
-
-            /* Copy average value in another structure */
-            accel_data = avg;
-
-            if (BMA4_OK == rslt) {
-                /* Get the exact range value */
-                map_range(acc_conf.range, &range);
-                /* Get LSB per bit given the range and resolution */
-                lsb_per_g = (uint16_t)(power(2, dev->resolution) / (2 * range));
-                /* Compensate accel data against gravity */
-                comp_for_grvty(lsb_per_g, accel_g_value, &accel_data, &delta);
-                /* scale according to offset register resolution*/
-                scale_offset(dev->resolution, range, &delta, &offset);
-                /* normalise the data with offset*/
-                normalise_offset(&delta, &offset);
-
-                /* offset values are written in the offset register */
-                rslt |= bma4_write_regs(BMA4_OFFSET_0_ADDR, (uint8_t *)&offset.x, 1, dev);
-                rslt |= bma4_write_regs(BMA4_OFFSET_1_ADDR, (uint8_t *)&offset.y, 1, dev);
-                rslt |= bma4_write_regs(BMA4_OFFSET_2_ADDR, (uint8_t *)&offset.z, 1, dev);
-
-                /* Enable offset compensation */
-                rslt |= bma4_set_offset_comp(BMA4_ENABLE, dev);
-
-                /* Set accel config, accel enable and advance power save */
-                rslt |= bma4_set_accel_config(&acc_conf, dev);
-                rslt |= bma4_set_accel_enable(accel_en, dev);
-                rslt |= bma4_set_advance_power_save(adv_pwr_save, dev);
-            } else {
-                rslt |= BMA4_E_FOC_FAIL;
-            }
-        }
-    }
-    return rslt;
-}
-
-/*!
- *  @brief This API checks whether the self test functionality of the sensor
- *  is working or not.
- *  The following parameter of struct bma4_dev, should have the valid value before
- *  performing the Self test,
- *  1.  Variant and 2. Resolution
- */
-uint16_t bma4_perform_accel_selftest(uint8_t *result, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    struct bma4_accel positive = {0};
-    struct bma4_accel negative = {0};
-    /*! Structure for difference of accel values in g*/
-    struct selftest_delta_limit accel_data_diff = {0};
-    /*! Structure for difference of accel values in mg*/
-    struct selftest_delta_limit accel_data_diff_mg = {0};
-
-    *result = BMA4_SELFTEST_FAIL;
-
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-
-        rslt = set_accel_selftest_config(dev);
-        dev->delay(20);
-        rslt |= bma4_selftest_config(BMA4_ENABLE, dev);
-
-        if (rslt == BMA4_OK) {
-            dev->delay(100);
-            rslt = bma4_read_accel_xyz(&positive, dev);
-            rslt |= bma4_selftest_config(BMA4_DISABLE, dev);
-
-            if (rslt == BMA4_OK) {
-                dev->delay(100);
-                rslt = bma4_read_accel_xyz(&negative, dev);
-
-                accel_data_diff.x = ABS(positive.x) + ABS(negative.x);
-                accel_data_diff.y = ABS(positive.y) + ABS(negative.y);
-                accel_data_diff.z = ABS(positive.z) + ABS(negative.z);
-
-                /*! Converting LSB of the differences of accel values to mg*/
-                convert_lsb_g(&accel_data_diff, &accel_data_diff_mg, dev);
-                /*! Validating self test for accel values in mg*/
-                rslt |= validate_selftest(&accel_data_diff_mg, dev);
-
-                if (rslt == BMA4_OK)
-                    *result = BMA4_SELFTEST_PASS;
-
-                /* Triggers a soft reset */
-                rslt |= bma4_set_command_register(0xB6, dev);
-                dev->delay(200);
-            }
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API performs the steps needed for Self test operation
- *  before reading the Accel Self test data.
- */
-uint16_t bma4_selftest_config(uint8_t sign, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-
-    rslt |= set_accel_selftest_enable(BMA4_ENABLE, dev);
-    rslt |= set_accel_selftest_sign(sign, dev);
-
-    /* Set self test amplitude based on variant */
-    switch (dev->variant) {
-    case BMA42X_VARIANT:
-        /* Set self test amplitude to high for BMA42x */
-        rslt |= set_accel_selftest_amp(BMA4_ENABLE, dev);
-        break;
-
-    case BMA45X_VARIANT:
-        /* Set self test amplitude to low for BMA45x */
-        rslt |= set_accel_selftest_amp(BMA4_DISABLE, dev);
-        break;
-
-    default:
-        rslt = BMA4_E_INVALID_SENSOR;
-        break;
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief API sets the interrupt to either interrupt1 or
- *  interrupt2 pin in the sensor.
- */
-uint16_t bma4_map_interrupt(uint8_t int_line, uint16_t int_map, uint8_t enable, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data[3] = {0, 0, 0};
-    uint8_t index[2] = {BMA4_INT_MAP_1_ADDR, BMA4_INT_MAP_2_ADDR};
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-
-        rslt |= bma4_read_regs(BMA4_INT_MAP_1_ADDR, data, 3, dev);
-
-        if (enable == TRUE) {
-            /* Feature interrupt mapping */
-            data[int_line] |= (uint8_t)(int_map & (0x00FF));
-            /* Hardware interrupt mapping */
-            if (int_line == BMA4_INTR2_MAP)
-                data[2] |= (uint8_t)((int_map & (0xFF00)) >> 4);
-            else
-                data[2] |= (uint8_t)((int_map & (0xFF00)) >> 8);
-
-            rslt |= bma4_write_regs(index[int_line], &data[int_line], 1, dev);
-            rslt |= bma4_write_regs(BMA4_INT_MAP_DATA_ADDR, &data[2], 1, dev);
-
-        } else {
-            /* Feature interrupt un-mapping */
-            data[int_line] &= (~(uint8_t)(int_map & (0x00FF)));
-            /* Hardware interrupt un-mapping */
-            if (int_line == BMA4_INTR2_MAP)
-                data[2] &= (~(uint8_t)((int_map & (0xFF00)) >> 4));
-            else
-                data[2] &= (~(uint8_t)((int_map & (0xFF00)) >> 8));
-
-            rslt |= bma4_write_regs(index[int_line], &data[int_line], 1, dev);
-            rslt |= bma4_write_regs(BMA4_INT_MAP_DATA_ADDR, &data[2], 1, dev);
-
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the interrupt mode in the sensor.
- */
-uint16_t bma4_set_interrupt_mode(uint8_t mode, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-
-        if (mode == BMA4_NON_LATCH_MODE || mode == BMA4_LATCH_MODE)
-            rslt |= bma4_write_regs(BMA4_INTR_LATCH_ADDR, &mode, 1, dev);
-        else
-            rslt |= BMA4_E_OUT_OF_RANGE;
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API gets the interrupt mode which is set in the sensor.
- */
-uint16_t bma4_get_interrupt_mode(uint8_t *mode, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_INTR_LATCH_ADDR, &data, 1, dev);
-        *mode = data;
-    }
-
-    return rslt;
-
-}
-
-/*!
- *  @brief This API sets the auxiliary Mag(BMM150 or AKM9916) output data
- *  rate and offset.
- */
-uint16_t bma4_set_aux_mag_config(const struct bma4_aux_mag_config *aux_mag, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        if ((aux_mag->odr >= BMA4_OUTPUT_DATA_RATE_0_78HZ) &&
-                (aux_mag->odr <= BMA4_OUTPUT_DATA_RATE_1600HZ)
-                && ((aux_mag->offset & BMA4_MAG_CONFIG_OFFSET_MSK) == 0x00)) {
-            data = (uint8_t)(aux_mag->odr |
-                             ((aux_mag->offset <<
-                               BMA4_MAG_CONFIG_OFFSET_POS)));
-            rslt |= bma4_write_regs(BMA4_AUX_CONFIG_ADDR, &data, 1, dev);
-        } else {
-            rslt |= BMA4_E_OUT_OF_RANGE;
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the auxiliary Mag(BMM150 or AKM9916) output data
- *  rate and offset.
- */
-uint16_t bma4_get_aux_mag_config(struct bma4_aux_mag_config *aux_mag, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_AUX_CONFIG_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            aux_mag->odr = (data & 0x0F);
-            aux_mag->offset = (data & BMA4_MAG_CONFIG_OFFSET_MSK) >> 4;
-        }
-    }
-
-    return rslt;
-}
-
-/*! @brief This API sets the FIFO configuration in the sensor.
- */
-uint16_t bma4_set_fifo_config(uint8_t config, uint8_t enable, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data[2] = {0, 0};
-    uint8_t fifo_config_0 = config & BMA4_FIFO_CONFIG_0_MASK;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_FIFO_CONFIG_0_ADDR, data, BMA4_FIFO_CONFIG_LENGTH, dev);
-
-        if (rslt == BMA4_OK) {
-
-            if (fifo_config_0 > 0) {
-
-                if (enable == TRUE)
-                    data[0] = data[0] | fifo_config_0;
-                else
-                    data[0] = data[0] & (~fifo_config_0);
-            }
-
-            if (enable == TRUE)
-                data[1] = data[1] | (config & BMA4_FIFO_CONFIG_1_MASK);
-            else
-                data[1] = data[1] & (~(config & BMA4_FIFO_CONFIG_1_MASK));
-
-            /* Burst write is not possible in suspend mode hence
-            separate write is used with delay of 1 ms*/
-            rslt |= bma4_write_regs(BMA4_FIFO_CONFIG_0_ADDR, &data[0], 1, dev);
-            dev->delay(BMA4_GEN_READ_WRITE_DELAY);
-            rslt |= bma4_write_regs((BMA4_FIFO_CONFIG_0_ADDR + 1), &data[1], 1, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*! @brief This API reads the FIFO configuration from the sensor.
- */
-uint16_t bma4_get_fifo_config(uint8_t *fifo_config, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data[2] = {0, 0};
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_FIFO_CONFIG_0_ADDR, data, BMA4_FIFO_CONFIG_LENGTH, dev);
-
-        if (rslt == BMA4_OK)
-            *fifo_config = ((uint8_t)((data[0] & BMA4_FIFO_CONFIG_0_MASK) | (data[1])));
-
-    }
-
-    return rslt;
-}
-
-/*! @brief This function sets the electrical behaviour of interrupt pin1 or
- *  pin2 in the sensor.
- */
-uint16_t bma4_set_int_pin_config(const struct bma4_int_pin_config *int_pin_config, uint8_t int_line,
-                                 struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t interrupt_address_array[2] = {BMA4_INT1_IO_CTRL_ADDR, BMA4_INT2_IO_CTRL_ADDR};
-    uint8_t data = 0;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        if (int_line <= 1) {
-            data = ((uint8_t)((int_pin_config->edge_ctrl & BMA4_INT_EDGE_CTRL_MASK) |
-                              ((int_pin_config->lvl << 1) & BMA4_INT_LEVEL_MASK) |
-                              ((int_pin_config->od << 2) & BMA4_INT_OPEN_DRAIN_MASK) |
-                              ((int_pin_config->output_en << 3) & BMA4_INT_OUTPUT_EN_MASK) |
-                              ((int_pin_config->input_en << 4) & BMA4_INT_INPUT_EN_MASK)));
-
-            rslt |= bma4_write_regs(interrupt_address_array[int_line],  &data, 1, dev);
-        } else {
-            rslt |= BMA4_E_INT_LINE_INVALID;
-        }
-    }
-
-    return rslt;
-}
-
-/*! @brief This API reads the electrical behavior of interrupt pin1 or pin2
- *  from the sensor.
- */
-uint16_t bma4_get_int_pin_config(struct bma4_int_pin_config *int_pin_config, uint8_t int_line, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t interrupt_address_array[2] = {BMA4_INT1_IO_CTRL_ADDR, BMA4_INT2_IO_CTRL_ADDR};
-    uint8_t data = 0;
-
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        if (int_line <= 1) {
-            rslt |= bma4_read_regs(interrupt_address_array[int_line], &data, 1, dev);
-            /* Assign interrupt configurations to the
-            structure members*/
-            if (rslt == BMA4_OK) {
-                int_pin_config->edge_ctrl = data & BMA4_INT_EDGE_CTRL_MASK;
-                int_pin_config->lvl = ((data & BMA4_INT_LEVEL_MASK) >> BMA4_INT_LEVEL_POS);
-                int_pin_config->od = ((data & BMA4_INT_OPEN_DRAIN_MASK) >> BMA4_INT_OPEN_DRAIN_POS);
-                int_pin_config->output_en = ((data & BMA4_INT_OUTPUT_EN_MASK)
-                                             >> BMA4_INT_OUTPUT_EN_POS);
-                int_pin_config->input_en = ((data & BMA4_INT_INPUT_EN_MASK) >> BMA4_INT_INPUT_EN_POS);
-            }
-        } else {
-            rslt |= BMA4_E_INT_LINE_INVALID;
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the Feature and Hardware interrupt status from the sensor.
- */
-uint16_t bma4_read_int_status(uint16_t *int_status, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data[2] = {0};
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        rslt |= bma4_read_regs(BMA4_INT_STAT_0_ADDR, data, 2, dev);
-
-        if (rslt == BMA4_OK) {
-            *int_status = data[0];
-            *((uint8_t *)int_status + 1) = data[1];
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the Feature interrupt status from the sensor.
- */
-uint16_t bma4_read_int_status_0(uint8_t *int_status_0, struct bma4_dev *dev)
-{
-    uint16_t rslt = BMA4_OK;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        /* Null pointer check */
-        rslt = BMA4_E_NULL_PTR;
-    } else {
-        rslt = bma4_read_regs(BMA4_INT_STAT_0_ADDR, int_status_0, 1, dev);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API reads the Hardware interrupt status from the sensor.
- */
-uint16_t bma4_read_int_status_1(uint8_t *int_status_1, struct bma4_dev *dev)
-{
-    uint16_t rslt = BMA4_OK;
-
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        /* Null pointer check */
-        rslt = BMA4_E_NULL_PTR;
-    } else {
-        rslt = bma4_read_regs(BMA4_INT_STAT_1_ADDR, int_status_1, 1, dev);
-    }
-
-    return rslt;
-}
-
-/*!
- * @brief This API initializes the auxiliary interface to access
- * auxiliary sensor
- */
-uint16_t bma4_aux_interface_init(struct bma4_dev *dev)
-{
-    /* Variable to return error codes */
-    uint16_t rslt = BMA4_OK;
-
-    /* Check for Null pointer error */
-    rslt |= bma4_null_pointer_check(dev);
-    if (rslt == BMA4_OK) {
-        /* Set the auxiliary sensor configuration */
-        rslt = bma4_set_aux_interface_config(dev);
-        if (rslt != BMA4_OK)
-            rslt = BMA4_E_AUX_CONFIG_FAIL;
-    }
-
-    return rslt;
-}
-
-/*!
- * @brief This API reads the data from the auxiliary sensor
-*/
-uint16_t bma4_aux_read(uint8_t aux_reg_addr, uint8_t *aux_data, uint16_t len, struct bma4_dev *dev)
-{
-    /* Variable to return error codes */
-    uint16_t rslt = BMA4_OK;
-
-    /* Check for Null pointer error */
-    rslt |= bma4_null_pointer_check(dev);
-    if (rslt == BMA4_OK) {
-        /* Read the data from the data register in terms of
-        user defined length  */
-        rslt = bma4_extract_aux_data(aux_reg_addr, aux_data, len, dev);
-    }
-
-    return rslt;
-}
-
-/*!
- * @brief This API writes the data into the auxiliary sensor
-*/
-uint16_t bma4_aux_write(uint8_t aux_reg_addr, uint8_t *aux_data, uint16_t len, struct bma4_dev *dev)
-{
-
-    uint16_t rslt = BMA4_OK;
-
-    /* Check for Null pointer error */
-    rslt |= bma4_null_pointer_check(dev);
-    if (rslt == BMA4_OK) {
-        /* Write data in terms of user defined length  */
-        if (len > 0) {
-            while (len--) {
-                /* First set data to write */
-                rslt = bma4_write_regs(BMA4_AUX_WR_DATA_ADDR, aux_data, 1, dev);
-                dev->delay(BMA4_AUX_COM_DELAY);
-                if (rslt == BMA4_OK) {
-                    /* Then set address to write */
-                    rslt = bma4_write_regs(BMA4_AUX_WR_ADDR, &aux_reg_addr, 1, dev);
-                    dev->delay(BMA4_AUX_COM_DELAY);
-
-                    /* Increment data array and register address until
-                     *  user-defined length is greater than 0 */
-                    if ((rslt == BMA4_OK) && (len > 0)) {
-                        aux_data++;
-                        aux_reg_addr++;
-                    }
-                } else {
-                    rslt = BMA4_E_FAIL;
-                }
-            }
-        } else {
-            rslt = BMA4_E_RD_WR_LENGTH_INVALID;
-        }
-    }
-
-    return rslt;
-}
-
-/*****************************************************************************/
-/* Static function definition */
-/*!
- *  @brief This API converts lsb value of axes to mg for self-test *
- */
-static void convert_lsb_g(const struct selftest_delta_limit *accel_data_diff,
-                          struct selftest_delta_limit *accel_data_diff_mg,
-                          const struct bma4_dev *dev)
-{
-    uint32_t lsb_per_g;
-    /*! Range considered for self-test is 8g */
-    uint8_t range = 8;
-
-    /*! lsb_per_g for the respective resolution and 8g range*/
-    lsb_per_g = (uint32_t)(power(2, dev->resolution) / (2 * range));
-    /*! accel x value in mg */
-    accel_data_diff_mg->x = (accel_data_diff->x / (int32_t)lsb_per_g) * 1000;
-    /*! accel y value in mg */
-    accel_data_diff_mg->y = (accel_data_diff->y / (int32_t)lsb_per_g) * 1000;
-    /*! accel z value in mg */
-    accel_data_diff_mg->z = (accel_data_diff->z / (int32_t)lsb_per_g) * 1000;
-}
-
-/*!
- *  @brief This API writes the config stream data in memory using burst mode
- *  @note index value should be even number.
- */
-static uint16_t  stream_transfer_write(const uint8_t *stream_data, uint16_t index, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t asic_msb = (uint8_t)((index / 2) >> 4);
-    uint8_t asic_lsb = ((index / 2) & 0x0F);
-
-    rslt |= bma4_write_regs(BMA4_RESERVED_REG_5B_ADDR, &asic_lsb, 1, dev);
-
-    if (rslt == BMA4_OK) {
-        rslt |= bma4_write_regs(BMA4_RESERVED_REG_5C_ADDR, &asic_msb, 1, dev);
-
-        if (rslt == BMA4_OK)
-            rslt |= write_regs(BMA4_FEATURE_CONFIG_ADDR, (uint8_t *)stream_data, dev->read_write_len, dev);
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API enables or disables the Accel Self test feature in the
- *  sensor.
- */
-static uint16_t set_accel_selftest_enable(uint8_t accel_selftest_enable, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-        /* Read the self test register */
-        rslt |= bma4_read_regs(BMA4_ACC_SELF_TEST_ADDR, &data, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            data = BMA4_SET_BITS_POS_0(data, BMA4_ACCEL_SELFTEST_ENABLE, accel_selftest_enable);
-            rslt |= bma4_write_regs(BMA4_ACC_SELF_TEST_ADDR, &data, 1, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API selects the sign of Accel self-test excitation.
- */
-static uint16_t set_accel_selftest_sign(uint8_t accel_selftest_sign, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-
-        if (accel_selftest_sign <= BMA4_MAX_VALUE_SELFTEST_SIGN) {
-            /* Read the Accel self test sign*/
-            rslt |= bma4_read_regs(BMA4_ACC_SELF_TEST_ADDR, &data, 1, dev);
-
-            if (rslt == BMA4_OK) {
-                data = BMA4_SET_BITSLICE(data, BMA4_ACCEL_SELFTEST_SIGN, accel_selftest_sign);
-                rslt |= bma4_write_regs(BMA4_ACC_SELF_TEST_ADDR, &data, 1, dev);
-            }
-        } else {
-            rslt = BMA4_E_OUT_OF_RANGE;
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API sets the Accel self test amplitude in the sensor.
- */
-static uint16_t set_accel_selftest_amp(uint8_t accel_selftest_amp, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t data = 0;
-    /* Check the bma4 structure as NULL */
-    if (dev == NULL) {
-        rslt |= BMA4_E_NULL_PTR;
-    } else {
-
-        if (accel_selftest_amp <= BMA4_MAX_VALUE_SELFTEST_AMP) {
-            /* Write  self test amplitude*/
-            rslt |= bma4_read_regs(BMA4_ACC_SELF_TEST_ADDR, &data, 1, dev);
-
-            if (rslt == BMA4_OK) {
-                data = BMA4_SET_BITSLICE(data, BMA4_SELFTEST_AMP, accel_selftest_amp);
-
-                rslt |= bma4_write_regs(BMA4_ACC_SELF_TEST_ADDR, &data, 1, dev);
-            }
-        } else {
-            rslt |= BMA4_E_OUT_OF_RANGE;
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This function enables and configures the Accel which is needed
- *  for Self test operation.
- */
-static uint16_t set_accel_selftest_config(struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    struct bma4_accel_config accel = {0};
-
-    accel.odr = BMA4_OUTPUT_DATA_RATE_1600HZ;
-    accel.bandwidth = BMA4_ACCEL_NORMAL_AVG4;
-    accel.perf_mode = BMA4_ENABLE;
-    accel.range = BMA4_ACCEL_RANGE_8G;
-
-    rslt |= bma4_set_accel_enable(BMA4_ENABLE, dev);
-    dev->delay(1);
-    rslt |= bma4_set_accel_config(&accel, dev);
-
-    return rslt;
-}
-
-/*!
- *  @brief This API validates the Accel g value provided as input by the
- *  user for Accel offset compensation.
- *
- *  @note The g-values to be passed to the parameter should be
- *  multiples of 1000000.
- */
-static uint16_t validate_user_input(const int32_t *gvalue)
-
-{
-    uint8_t index = 0;
-    int32_t min_gval = (int32_t)(-1.0 * BMA4XY_MULTIPLIER);
-    int32_t max_gval = (int32_t)(1.0 * BMA4XY_MULTIPLIER);
-
-    while (index < 3) {
-        if (gvalue[index] >= min_gval && gvalue[index] <= max_gval)
-            index++;
-        else
-            return BMA4_E_OUT_OF_RANGE;
-    }
-
-    return BMA4_OK;
-}
-
-/*!
- *  @brief This API normalise the data with offset
- */
-static void normalise_offset(const struct offset_delta *compensated_data, struct accel_offset *offset_data)
-{
-    /* for handling negative offset */
-    /* employing twos's Complement method*/
-    if (compensated_data->x.is_negative == TRUE) {
-        offset_data->x = ~offset_data->x;
-        offset_data->x += 1;
-    }
-
-    if (compensated_data->y.is_negative == TRUE) {
-        offset_data->y = ~offset_data->y;
-        offset_data->y += 1;
-    }
-
-    if (compensated_data->z.is_negative == TRUE) {
-        offset_data->z = ~offset_data->z;
-        offset_data->z += 1;
-    }
-
-    offset_data->x = (uint8_t)((offset_data->x) * (-1));
-    offset_data->y = (uint8_t)((offset_data->y) * (-1));
-    offset_data->z = (uint8_t)((offset_data->z) * (-1));
-}
-
-/*!
- *  @brief This API normalize the data with offset.
- */
-static void scale_offset(uint8_t res, uint8_t range, const struct offset_delta *delta, struct accel_offset *data)
-{
-    int8_t bit_pos_3_9mg, bit_pos_3_9mg_nextbit;
-    uint8_t round_off = 0;
-
-    /* Find the bit position of 3.9mg */
-    bit_pos_3_9mg = get_bit_pos_3_9mg(range, res);
-
-    /* Data register resolution less than or equal to  3.9 mg */
-    if (bit_pos_3_9mg > 0) {
-        /* Round off, consider if the next bit is high */
-        bit_pos_3_9mg_nextbit = bit_pos_3_9mg - 1;
-        round_off = (uint8_t)(1 * power(2, ((uint8_t) bit_pos_3_9mg_nextbit)));
-        /* scale according to offset register resolution*/
-        data->x = (uint8_t)((delta->x.val + round_off) / power(2, ((uint8_t)bit_pos_3_9mg)));
-        data->y = (uint8_t)((delta->y.val + round_off) / power(2, ((uint8_t)bit_pos_3_9mg)));
-        data->z = (uint8_t)((delta->z.val + round_off) / power(2, ((uint8_t)bit_pos_3_9mg)));
-    } else if (bit_pos_3_9mg < 0) {
-        bit_pos_3_9mg = (int8_t)(bit_pos_3_9mg * -1);
-        data->x = (uint8_t)(delta->x.val * power(2, ((uint8_t)bit_pos_3_9mg)));
-        data->y = (uint8_t)(delta->y.val * power(2, ((uint8_t)bit_pos_3_9mg)));
-        data->z = (uint8_t)(delta->z.val * power(2, ((uint8_t)bit_pos_3_9mg)));
-    } else {
-        /* Scale according to offset register resolution */
-        data->x = (uint8_t)(delta->x.val);
-        data->y = (uint8_t)(delta->y.val);
-        data->z = (uint8_t)(delta->z.val);
-    }
-}
-
-/*!
- *  @brief This API compensate the accel data against gravity.
- *
- *  @note The g-values to be passed to the parameter should be
- *  multiples of 1000000.
- */
-static void comp_for_grvty(uint16_t lsb_per_g, const int32_t g_val[3], const struct bma4_accel *data,
-                           struct offset_delta *comp_data)
-{
-    int64_t accel_value_lsb[3] = {0};
-    uint8_t index;
-
-    for (index = 0; index < 3; index++) {
-        /* convert g to lsb */
-        accel_value_lsb[index] = ((int64_t)(lsb_per_g) * (int64_t)(g_val[index]));
-    }
-
-    /*  Dividing the accel value in LSB by 1000000 to get
-    compensated data back in g-value */
-    comp_data->x.val = (int16_t)(data->x - (int16_t)((accel_value_lsb[BMA4_X_AXIS] / (int64_t)BMA4XY_MULTIPLIER)));
-    comp_data->y.val = (int16_t)(data->y - (int16_t)((accel_value_lsb[BMA4_Y_AXIS] / (int64_t)BMA4XY_MULTIPLIER)));
-    comp_data->z.val = (int16_t)(data->z - (int16_t)((accel_value_lsb[BMA4_Z_AXIS] / (int64_t)BMA4XY_MULTIPLIER)));
-
-    if (comp_data->x.val < 0) {
-        comp_data->x.val = ABS(comp_data->x.val);
-        comp_data->x.is_negative = 1;
-    }
-
-    if (comp_data->y.val < 0) {
-        comp_data->y.val = ABS(comp_data->y.val);
-        comp_data->y.is_negative = 1;
-    }
-
-    if (comp_data->z.val < 0) {
-        comp_data->z.val = ABS(comp_data->z.val);
-        comp_data->z.is_negative = 1;
-    }
-}
-
-/*!
- *  @brief This API converts the range value into corresponding
- *  integer value.
- */
-static void map_range(uint8_t range_in, uint8_t *range_out)
-{
-    switch (range_in) {
-    case  BMA4_ACCEL_RANGE_2G:
-        *range_out = 2;
-        break;
-    case  BMA4_ACCEL_RANGE_4G:
-        *range_out = 4;
-        break;
-    case  BMA4_ACCEL_RANGE_8G:
-        *range_out = 8;
-        break;
-    case  BMA4_ACCEL_RANGE_16G:
-        *range_out = 16;
-        break;
-    default:
-        break;
-    }
-}
-
-/*!
- *  @brief This API is used to reset the FIFO related configurations
- *  in the fifo_frame structure.
- *
- */
-static void reset_fifo_data_structure(const struct bma4_dev *dev)
-{
-    /*Prepare for next FIFO read by resetting FIFO's
-    internal data structures*/
-    dev->fifo->accel_byte_start_idx = 0;
-    dev->fifo->mag_byte_start_idx = 0;
-    dev->fifo->sc_frame_byte_start_idx = 0;
-    dev->fifo->sensor_time = 0;
-    dev->fifo->skipped_frame_count = 0;
-    dev->fifo->accel_dropped_frame_count = 0;
-    dev->fifo->mag_dropped_frame_count = 0;
-}
-
-/*!
- *  @brief This API computes the number of bytes of accel FIFO data
- *  which is to be parsed in header-less mode
- */
-static void get_accel_len_to_parse(uint16_t *start_idx, uint16_t *len, const uint16_t *acc_count,
-                                   const struct bma4_dev *dev)
-{
-    uint8_t dummy_byte_spi = 0;
-
-    /*Check if this is the first iteration of data unpacking
-     if yes, then consider dummy byte on SPI*/
-    if (dev->fifo->accel_byte_start_idx == 0)
-        dummy_byte_spi = dev->dummy_byte;
-
-    /*Data start index*/
-    *start_idx = dev->fifo->accel_byte_start_idx + dummy_byte_spi;
-
-    if (dev->fifo->fifo_data_enable == BMA4_FIFO_A_ENABLE) {
-        /*Len has the number of bytes to loop for */
-        *len = (uint16_t)(((*acc_count) * BMA4_FIFO_A_LENGTH) + dummy_byte_spi);
-    } else if (dev->fifo->fifo_data_enable == BMA4_FIFO_M_A_ENABLE) {
-        /*Len has the number of bytes to loop for */
-        *len = (uint16_t)(((*acc_count) * BMA4_FIFO_MA_LENGTH) + dummy_byte_spi);
-    } else {
-        /*Only aux. sensor or no sensor is enabled in FIFO,
-        so there will be no accel data.
-        Update the data index as complete*/
-        *start_idx = dev->fifo->length;
-    }
-    if ((*len) > dev->fifo->length) {
-        /*Handling the case where more data is requested
-        than available*/
-        *len = dev->fifo->length;
-    }
-}
-
-/*!
- *  @brief This API checks the fifo read data as empty frame, if it
- *  is empty frame then moves the index to last byte.
- */
-static void check_empty_fifo(uint16_t *data_index, const struct bma4_dev *dev)
-{
-    if ((*data_index + 2) < dev->fifo->length) {
-        /* Check if FIFO is empty */
-        if ((dev->fifo->data[*data_index] == FIFO_MSB_CONFIG_CHECK)
-                && (dev->fifo->data[*data_index + 1] == FIFO_LSB_CONFIG_CHECK)) {
-            /*Update the data index as complete*/
-            *data_index = dev->fifo->length;
-        }
-    }
-}
-
-/*!
- *  @brief This API is used to parse the accelerometer data from the
- *  FIFO data in header mode.
- *
- */
-static void extract_accel_header_mode(struct bma4_accel *accel_data, uint16_t *accel_length, const struct bma4_dev *dev)
-{
-    uint8_t frame_header = 0;
-    uint16_t data_index;
-    uint16_t accel_index = 0;
-    uint16_t frame_to_read = *accel_length;
-    /*Check if this is the first iteration of data unpacking
-     if yes, then consider dummy byte on SPI*/
-    if (dev->fifo->accel_byte_start_idx == 0)
-        dev->fifo->accel_byte_start_idx = dev->dummy_byte;
-
-    for (data_index = dev->fifo->accel_byte_start_idx; data_index < dev->fifo->length;) {
-        /*Header byte is stored in the variable frame_header*/
-        frame_header = dev->fifo->data[data_index];
-        /*Get the frame details from header*/
-        frame_header = frame_header & BMA4_FIFO_TAG_INTR_MASK;
-        /*Index is moved to next byte where the data is starting*/
-        data_index++;
-
-        switch (frame_header) {
-        /* Accel frame */
-        case FIFO_HEAD_A:
-        case FIFO_HEAD_M_A:
-            unpack_acc_frm(accel_data, &data_index, &accel_index, frame_header, dev);
-            break;
-        /* Aux. sensor frame */
-        case FIFO_HEAD_M:
-            move_next_frame(&data_index, BMA4_FIFO_M_LENGTH, dev);
-            break;
-        /* Sensor time frame */
-        case FIFO_HEAD_SENSOR_TIME:
-            unpack_sensortime_frame(&data_index, dev);
-            break;
-        /* Skip frame */
-        case FIFO_HEAD_SKIP_FRAME:
-            unpack_skipped_frame(&data_index, dev);
-            break;
-        /* Input config frame */
-        case FIFO_HEAD_INPUT_CONFIG:
-            move_next_frame(&data_index, 1, dev);
-            break;
-        /* Sample drop frame */
-        case FIFO_HEAD_SAMPLE_DROP:
-            unpack_dropped_frame(&data_index, dev);
-            break;
-        /* Over read FIFO data */
-        case FIFO_HEAD_OVER_READ_MSB:
-            /* Update the data index as complete*/
-            data_index = dev->fifo->length;
-            break;
-        default:
-            break;
-        }
-        if (frame_to_read == accel_index) {
-            /*Number of frames to read completed*/
-            break;
-        }
-    }
-
-    /*Update number of accel data read*/
-    *accel_length = accel_index;
-    /*Update the accel frame index*/
-    dev->fifo->accel_byte_start_idx = data_index;
-}
-
-/*!
- *  @brief This API is used to parse the accelerometer data from the
- *  FIFO data in both header mode and header-less mode.
- *  It update the idx value which is used to store the index of
- *  the current data byte which is parsed.
- */
-static void unpack_acc_frm(struct bma4_accel *acc, uint16_t *idx, uint16_t *acc_idx, uint8_t frm,
-                           const struct bma4_dev *dev)
-{
-    switch (frm) {
-    case FIFO_HEAD_A:
-    case BMA4_FIFO_A_ENABLE:
-        /*Partial read, then skip the data*/
-        if ((*idx + BMA4_FIFO_A_LENGTH) > dev->fifo->length) {
-            /*Update the data index as complete*/
-            *idx = dev->fifo->length;
-            break;
-        }
-        /*Unpack the data array into the structure instance "acc" */
-        unpack_accel_data(&acc[*acc_idx], *idx, dev);
-        /*Move the data index*/
-        *idx = *idx + BMA4_FIFO_A_LENGTH;
-        (*acc_idx)++;
-        break;
-    case FIFO_HEAD_M_A:
-    case BMA4_FIFO_M_A_ENABLE:
-        /*Partial read, then skip the data*/
-        if ((*idx + BMA4_FIFO_MA_LENGTH) > dev->fifo->length) {
-            /*Update the data index as complete*/
-            *idx = dev->fifo->length;
-            break;
-        }
-        /*Unpack the data array into structure instance "acc"*/
-        unpack_accel_data(&acc[*acc_idx], *idx + BMA4_MA_FIFO_A_X_LSB, dev);
-        /*Move the data index*/
-        *idx = *idx + BMA4_FIFO_MA_LENGTH;
-        (*acc_idx)++;
-        break;
-    /* Aux. sensor frame */
-    case FIFO_HEAD_M:
-    case BMA4_FIFO_M_ENABLE:
-        (*idx) = (*idx) + BMA4_FIFO_M_LENGTH;
-        break;
-    default:
-        break;
-    }
-}
-
-/*!
- *  @brief This API is used to parse the accelerometer data from the
- *  FIFO data and store it in the instance of the structure bma4_accel.
- */
-static void unpack_accel_data(struct bma4_accel *accel_data, uint16_t data_start_index, const struct bma4_dev *dev)
-{
-    uint16_t data_lsb;
-    uint16_t data_msb;
-
-    /* Accel raw x data */
-    data_lsb = dev->fifo->data[data_start_index++];
-    data_msb = dev->fifo->data[data_start_index++];
-    accel_data->x = (int16_t)((data_msb << 8) | data_lsb);
-
-    /* Accel raw y data */
-    data_lsb = dev->fifo->data[data_start_index++];
-    data_msb = dev->fifo->data[data_start_index++];
-    accel_data->y = (int16_t)((data_msb << 8) | data_lsb);
-
-    /* Accel raw z data */
-    data_lsb = dev->fifo->data[data_start_index++];
-    data_msb = dev->fifo->data[data_start_index++];
-    accel_data->z = (int16_t)((data_msb << 8) | data_lsb);
-
-    if (dev->resolution == BMA4_12_BIT_RESOLUTION) {
-        accel_data->x = (accel_data->x / 0x10);
-        accel_data->y = (accel_data->y / 0x10);
-        accel_data->z = (accel_data->z / 0x10);
-    } else if (dev->resolution == BMA4_14_BIT_RESOLUTION) {
-        accel_data->x = (accel_data->x / 0x04);
-        accel_data->y = (accel_data->y / 0x04);
-        accel_data->z = (accel_data->z / 0x04);
-    }
-}
-
-/*!
- *  @brief This API computes the number of bytes of Mag FIFO data which is
- *  to be parsed in header-less mode
- *
- */
-static void get_mag_len_to_parse(uint16_t *start_idx, uint16_t *len, const uint16_t *mag_count,
-                                 const struct bma4_dev *dev)
-{
-    uint8_t dummy_byte_spi = 0;
-
-    /*Check if this is the first iteration of data unpacking
-     if yes, then consider dummy byte on SPI*/
-    if (dev->fifo->mag_byte_start_idx == 0)
-        dummy_byte_spi = dev->dummy_byte;
-
-    /*Data start index*/
-    *start_idx = dev->fifo->mag_byte_start_idx + dummy_byte_spi;
-
-    if (dev->fifo->fifo_data_enable == BMA4_FIFO_M_ENABLE) {
-        /*Len has the number of bytes to loop for */
-        *len = (uint16_t)(((*mag_count) * BMA4_FIFO_M_LENGTH) + dummy_byte_spi);
-    } else if (dev->fifo->fifo_data_enable == BMA4_FIFO_M_A_ENABLE) {
-        /*Len has the number of bytes to loop for */
-        *len = (uint16_t)(((*mag_count) * BMA4_FIFO_MA_LENGTH) + dummy_byte_spi);
-    } else {
-        /*Only accel sensor or no sensor is enabled in FIFO,
-        so there will be no mag data.
-        Update the data index as complete*/
-        *start_idx = dev->fifo->length;
-    }
-
-    /*Handling the case where more data is requested than available*/
-    if ((*len) > dev->fifo->length) {
-        /*Len is equal to the FIFO length*/
-        *len = dev->fifo->length;
-    }
-}
-
-/*!
- *  @brief This API is used to parse the magnetometer data from the
- *  FIFO data in header mode.
- *
- */
-static uint16_t extract_mag_header_mode(struct bma4_mag *data, uint16_t *len, const struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t frame_header = 0;
-    uint16_t data_index;
-    uint16_t mag_index = 0;
-    uint16_t frame_to_read = *len;
-
-    /*Check if this is the first iteration of data unpacking
-     if yes, then consider dummy byte on SPI*/
-    if (dev->fifo->mag_byte_start_idx == 0)
-        dev->fifo->mag_byte_start_idx = dev->dummy_byte;
-
-    for (data_index = dev->fifo->mag_byte_start_idx; data_index < dev->fifo->length;) {
-        /*Header byte is stored in the variable frame_header*/
-        frame_header = dev->fifo->data[data_index];
-        /*Get the frame details from header*/
-        frame_header = frame_header & BMA4_FIFO_TAG_INTR_MASK;
-        /*Index is moved to next byte where the data is starting*/
-        data_index++;
-
-        switch (frame_header) {
-        /* Aux. sensor frame */
-        case FIFO_HEAD_M:
-        case FIFO_HEAD_M_A:
-            rslt |= unpack_mag_frm(data, &data_index, &mag_index, frame_header, dev);
-            break;
-        /* Aux. sensor frame */
-        case FIFO_HEAD_A:
-            move_next_frame(&data_index, BMA4_FIFO_A_LENGTH, dev);
-            break;
-        /* Sensor time frame */
-        case FIFO_HEAD_SENSOR_TIME:
-            unpack_sensortime_frame(&data_index, dev);
-            break;
-        /* Skip frame */
-        case FIFO_HEAD_SKIP_FRAME:
-            unpack_skipped_frame(&data_index, dev);
-            break;
-        /* Input config frame */
-        case FIFO_HEAD_INPUT_CONFIG:
-            move_next_frame(&data_index, 1, dev);
-            break;
-        /* Sample drop frame */
-        case FIFO_HEAD_SAMPLE_DROP:
-            unpack_dropped_frame(&data_index, dev);
-            break;
-        case FIFO_HEAD_OVER_READ_MSB:
-            /*Update the data index as complete*/
-            data_index = dev->fifo->length;
-            break;
-        default:
-            break;
-        }
-        if (frame_to_read == mag_index) {
-            /*Number of frames to read completed*/
-            break;
-        }
-    }
-    /*update number of Aux. sensor data read*/
-    *len = mag_index;
-    /*update the Aux. sensor frame index*/
-    dev->fifo->mag_byte_start_idx = data_index;
-    return rslt;
-}
-
-/*!
- *  @brief This API is used to parse the magnetometer data from the
- *  FIFO data in both header mode and header-less mode and update the
- *  data_index value which is used to store the index of the current
- *  data byte which is parsed.
- *
- */
-static uint16_t unpack_mag_frm(struct bma4_mag *data, uint16_t *idx, uint16_t *mag_idx, uint8_t frm,
-                               const struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-
-    switch (frm) {
-    case FIFO_HEAD_M:
-    case BMA4_FIFO_M_ENABLE:
-        /*partial read, then skip the data*/
-        if ((*idx + BMA4_FIFO_M_LENGTH) > dev->fifo->length) {
-            /*update the data index as complete*/
-            *idx = dev->fifo->length;
-            break;
-        }
-
-        /*unpack the data array into Aux. sensor data structure*/
-        rslt |= unpack_mag_data(&data[*mag_idx], *idx, dev);
-        /*move the data index*/
-        *idx = *idx + BMA4_FIFO_M_LENGTH;
-        (*mag_idx)++;
-        break;
-    case FIFO_HEAD_M_A:
-    case BMA4_FIFO_M_A_ENABLE:
-        /*partial read, then skip the data*/
-        if ((*idx + BMA4_FIFO_MA_LENGTH) > dev->fifo->length) {
-            /*update the data index as complete*/
-            *idx = dev->fifo->length;
-            break;
-        }
-
-        /*unpack the data array into Aux. sensor data structure*/
-        rslt |= unpack_mag_data(&data[*mag_idx], *idx, dev);
-        /*move the data index to next frame*/
-        *idx = *idx + BMA4_FIFO_MA_LENGTH;
-        (*mag_idx)++;
-        break;
-    /* aux. sensor frame */
-    case FIFO_HEAD_A:
-    case BMA4_FIFO_A_ENABLE:
-        (*idx) = (*idx) + BMA4_FIFO_A_LENGTH;
-        break;
-    default:
-        break;
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This API is used to parse the auxiliary magnetometer data from
- *  the FIFO data and store it in the instance of the structure mag_data.
- *
- */
-static uint16_t unpack_mag_data(struct bma4_mag *mag_data, uint16_t start_idx, const struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    struct bma4_mag_fifo_data mag_fifo_data;
-
-    /* Aux. mag sensor raw x data */
-    mag_fifo_data.mag_x_lsb = dev->fifo->data[start_idx++];
-    mag_fifo_data.mag_x_msb = dev->fifo->data[start_idx++];
-
-    /* Aux. mag sensor raw y data */
-    mag_fifo_data.mag_y_lsb = dev->fifo->data[start_idx++];
-    mag_fifo_data.mag_y_msb = dev->fifo->data[start_idx++];
-
-    /* Aux. mag sensor raw z data */
-    mag_fifo_data.mag_z_lsb = dev->fifo->data[start_idx++];
-    mag_fifo_data.mag_z_msb = dev->fifo->data[start_idx++];
-
-    /* Aux. mag sensor raw r data */
-    mag_fifo_data.mag_r_y2_lsb = dev->fifo->data[start_idx++];
-    mag_fifo_data.mag_r_y2_msb = dev->fifo->data[start_idx++];
-
-    /*Compensated FIFO data output*/
-    rslt |= bma4_second_if_mag_compensate_xyz(mag_fifo_data, dev->aux_sensor, mag_data);
-
-    return rslt;
-}
-
-/*!
- *  @brief This API is used to parse and store the sensor time from the
- *  FIFO data in the structure instance dev.
- *
- */
-static void unpack_sensortime_frame(uint16_t *data_index, const struct bma4_dev *dev)
-{
-    uint32_t sensor_time_byte3 = 0;
-    uint16_t sensor_time_byte2 = 0;
-    uint8_t sensor_time_byte1 = 0;
-
-    /*Partial read, then move the data index to last data*/
-    if ((*data_index + BMA4_SENSOR_TIME_LENGTH) > dev->fifo->length) {
-        /*Update the data index as complete*/
-        *data_index = dev->fifo->length;
-    } else {
-        sensor_time_byte3 = dev->fifo->data[(*data_index) + BMA4_SENSOR_TIME_MSB_BYTE] << 16;
-        sensor_time_byte2 = dev->fifo->data[(*data_index) + BMA4_SENSOR_TIME_XLSB_BYTE] << 8;
-        sensor_time_byte1 = dev->fifo->data[(*data_index)];
-        /* Sensor time */
-        dev->fifo->sensor_time = (uint32_t)(sensor_time_byte3 | sensor_time_byte2 | sensor_time_byte1);
-        *data_index = (*data_index) + BMA4_SENSOR_TIME_LENGTH;
-    }
-}
-
-/*!
- *  @brief This API is used to parse and store the skipped_frame_count from
- *  the FIFO data in the structure instance dev.
- */
-static void unpack_skipped_frame(uint16_t *data_index, const struct bma4_dev *dev)
-{
-    /*Partial read, then move the data index to last data*/
-    if (*data_index >= dev->fifo->length) {
-        /*Update the data index as complete*/
-        *data_index = dev->fifo->length;
-    } else {
-        dev->fifo->skipped_frame_count = dev->fifo->data[*data_index];
-        /*Move the data index*/
-        *data_index = (*data_index) + 1;
-    }
-}
-
-/*!
- *  @brief This API is used to parse and store the dropped_frame_count from
- *  the FIFO data in the structure instance dev.
- */
-static void unpack_dropped_frame(uint16_t *data_index, const struct bma4_dev *dev)
-{
-    uint8_t dropped_frame = 0;
-    /*Partial read, then move the data index to last data*/
-    if (*data_index >= dev->fifo->length) {
-        /*Update the data index as complete*/
-        *data_index = dev->fifo->length;
-    } else {
-        /*Extract accel and mag dropped frame count*/
-        dropped_frame = dev->fifo->data[*data_index] & ACCEL_AUX_FIFO_DROP;
-        /*Move the data index and update the dropped frame count*/
-        switch (dropped_frame) {
-        case ACCEL_FIFO_DROP:
-            *data_index = (*data_index) + BMA4_FIFO_A_LENGTH;
-            dev->fifo->accel_dropped_frame_count = dev->fifo->accel_dropped_frame_count + 1;
-            break;
-        case AUX_FIFO_DROP:
-            *data_index = (*data_index) + BMA4_FIFO_M_LENGTH;
-            dev->fifo->mag_dropped_frame_count = dev->fifo->mag_dropped_frame_count + 1;
-            break;
-        case ACCEL_AUX_FIFO_DROP:
-            *data_index = (*data_index) + BMA4_FIFO_MA_LENGTH;
-            dev->fifo->accel_dropped_frame_count = dev->fifo->accel_dropped_frame_count + 1;
-            dev->fifo->mag_dropped_frame_count = dev->fifo->mag_dropped_frame_count + 1;
-            break;
-        default:
-            break;
-        }
-    }
-}
-
-/*!
- *  @brief This API is used to move the data index ahead of the
- *  current_frame_length parameter when unnecessary FIFO data appears while
- *  extracting the user specified data.
- */
-static void move_next_frame(uint16_t *data_index, uint8_t current_frame_length, const struct bma4_dev *dev)
-{
-    /*Partial read, then move the data index to last data*/
-    if ((*data_index + current_frame_length) > dev->fifo->length) {
-        /*Update the data index as complete*/
-        *data_index = dev->fifo->length;
-    } else {
-        /*Move the data index to next frame*/
-        *data_index = *data_index + current_frame_length;
-    }
-}
-
-/*!
- *  @brief This function validates the Accel Self test data and decides the
- *  result of Self test operation.
- */
-static uint16_t validate_selftest(const struct selftest_delta_limit *accel_data_diff,
-                                  const struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-
-    /* Set self test amplitude based on variant */
-    switch (dev->variant) {
-    case BMA42X_VARIANT:
-        /* Validating accel data by comparing with minimum value of the axes in mg */
-        /* For BMA42x - > x axis limit 400mg, y axis limit 800mg and z axis limit 400mg */
-        if ((accel_data_diff->x > BMA42X_ST_ACC_X_AXIS_SIGNAL_DIFF) &&
-                (accel_data_diff->y > BMA42X_ST_ACC_Y_AXIS_SIGNAL_DIFF) &&
-                (accel_data_diff->z > BMA42X_ST_ACC_Z_AXIS_SIGNAL_DIFF)) {
-            rslt = BMA4_OK;
-        } else {
-            rslt = BMA4_E_SELF_TEST_FAIL;
-        }
-        break;
-
-    case BMA45X_VARIANT:
-        /* Validating accel data by comparing with minimum value of the axes in mg */
-        /* For BMA45x - > x axis limit 1800mg, y axis limit 1800mg and z axis limit 1800mg */
-        if ((accel_data_diff->x > BMA45X_ST_ACC_X_AXIS_SIGNAL_DIFF) &&
-                (accel_data_diff->y > BMA45X_ST_ACC_Y_AXIS_SIGNAL_DIFF) &&
-                (accel_data_diff->z > BMA45X_ST_ACC_Z_AXIS_SIGNAL_DIFF)) {
-            rslt = BMA4_OK;
-        } else {
-            rslt = BMA4_E_SELF_TEST_FAIL;
-        }
-        break;
-
-    default:
-        rslt = BMA4_E_INVALID_SENSOR;
-        break;
-    }
-
-    return rslt;
-}
-
-/*!
- *  @brief This function configure the Accel for FOC.
- */
-static uint16_t foc_config(struct bma4_accel_config *acc_conf, uint8_t *acc_en, uint8_t *pwr_mode, struct bma4_dev *dev)
-{
-    uint16_t rslt = 0;
-    uint8_t accel_cnf = BMA4_ACCEL_CONFIG_FOC;
-
-    /* for saving Accel configuration,
-     Accel enable status, advance power save*/
-    rslt |= bma4_get_accel_config(acc_conf, dev);
-    rslt |= bma4_get_accel_enable(acc_en, dev);
-    rslt |= bma4_get_advance_power_save(pwr_mode, dev);
-
-    /* Disabling offset compensation that is in place*/
-    rslt |= bma4_set_offset_comp(BMA4_DISABLE, dev);
-
-    if (rslt == BMA4_OK) {
-        /* Set Accel config to 50Hz, continuous filter mode,
-        no under sampling */
-        rslt |= bma4_write_regs(BMA4_ACCEL_CONFIG_ADDR, &accel_cnf, 1, dev);
-
-        if (rslt == BMA4_OK) {
-            /* Switch Accel to normal mode and
-            advance power save to zero*/
-            rslt |= bma4_set_accel_enable(BMA4_ENABLE, dev);
-            rslt |= bma4_set_advance_power_save(BMA4_DISABLE, dev);
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- * @brief This API is used to calculate the power of 2
- */
-static int32_t power(int16_t base, uint8_t resolution)
-{
-    uint8_t i = 1;
-    /* Initialize variable to store the power of 2 value */
-    int32_t value = 1;
-
-    for (; i <= resolution; i++)
-        value = (int32_t)(value * base);
-
-    return value;
-}
-
-/*!
- * @brief This API performs the roundoff on given value
- */
-static int8_t roundoff(int32_t value)
-{
-    /* Variable to return the round off value */
-    int8_t ret = 0;
-
-    /* Since the value passed is scaled in multiples of 100,
-    the return value is divided by 100 to get the round off value */
-    if (value < 0)
-        ret = (int8_t)(((value) - 50) / 100);
-    else
-        ret = (int8_t)(((value) + 50) / 100);
-
-
-    return ret;
-}
-
-/*!
- * @brief This API finds the bit position of 3.9mg according to given range
- * and resolution.
- */
-static int8_t get_bit_pos_3_9mg(uint8_t range, uint8_t res)
-{
-    /* Variable to store the bit position of 3.9mg */
-    int8_t bit_pos_3_9mg = 0;
-    /* Variable to store the value to be rounded off */
-    int32_t value = 0;
-    /* Variable to store the LSB per bit in micros */
-    int32_t ug_per_bit;
-    /* Variable to store the rounded off value */
-    int8_t round_off_int;
-    /* Variable to store the bit count */
-    uint8_t bit_count = 0;
-    /* Variable to store the signed range value */
-    int32_t range_value;
-
-    /* Scaling range with a multiplier to get integer value of ug_per_bit */
-    range_value = (int32_t)(2 * range * BMA4XY_MULTIPLIER);
-
-    /* Get the G-per bit resolution*/
-    ug_per_bit = (int32_t)(range_value / power(2, res));
-
-    /* Compare for -ve & +ve bit position w.r.t 3900micro-g or as reference
-     * Note: Value scaled in 100s to get accurate integer value */
-    if (ug_per_bit > 3900)
-        value = (int32_t)(ug_per_bit * 100 / 3900);
-    else
-        value = (int32_t)(3900 * 100 / ug_per_bit);
-
-    /* Round off the value */
-    round_off_int = (int8_t)(roundoff(value));
-
-    /* Find the bit position of 3.9mg*/
-    while (round_off_int != 1) {
-        round_off_int = (round_off_int / 0x02);
-        bit_count++;
-    }
-
-    /* Check for +ve and -ve bit position of 3.9 mg */
-    if (ug_per_bit > 3900)
-        bit_pos_3_9mg = (int8_t)(bit_count * (-1));
-    else
-        bit_pos_3_9mg = (int8_t)bit_count;
-
-    return bit_pos_3_9mg;
-}
-/*!
- * @brief This internal API brings up the secondary interface to access
- *          auxiliary sensor *
- */
-static uint16_t bma4_set_aux_interface_config(struct bma4_dev *dev)
-{
-    /* Variable to return error codes */
-    uint16_t rslt = BMA4_OK;
-
-    /* Check for null pointer error */
-    rslt |= bma4_null_pointer_check(dev);
-
-    if (rslt == BMA4_OK) {
-        /* Enable the auxiliary sensor */
-        rslt |= bma4_set_mag_enable(0x01, dev);
-        dev->delay(BMA4_AUX_COM_DELAY);
-
-        /* Disable advance power save */
-        rslt |= bma4_set_advance_power_save(0x00, dev);
-        dev->delay(BMA4_AUX_COM_DELAY);
-
-        /* Set the I2C device address of auxiliary device */
-        rslt |= bma4_set_i2c_device_addr(dev);
-        dev->delay(BMA4_AUX_COM_DELAY);
-
-        /* Set auxiliary interface to manual mode */
-        rslt |= bma4_set_mag_manual_enable(dev->aux_config.manual_enable, dev);
-        dev->delay(BMA4_AUX_COM_DELAY);
-
-        /* Set the number of bytes for burst read */
-        rslt |= bma4_set_mag_burst(dev->aux_config.burst_read_length, dev);
-        dev->delay(BMA4_AUX_COM_DELAY);
-
-        /* Switch on the the auxiliary interface mode */
-        rslt |= bma4_set_if_mode(dev->aux_config.if_mode, dev);
-        dev->delay(BMA4_AUX_COM_DELAY);
-
-    }
-
-    return rslt;
-}
-
-/*!
-* @brief This internal API reads the data from the auxiliary sensor
-*        depending on burst length configured
-*/
-static uint16_t bma4_extract_aux_data(uint8_t aux_reg_addr, uint8_t *aux_data, uint16_t len, struct bma4_dev *dev)
-{
-    /* Variable to return error codes */
-    uint16_t rslt = BMA4_OK;
-    /* Pointer variable to read data from the register */
-    uint8_t data[15] = {0};
-    /* Variable to define length counts */
-    uint8_t len_count = 0;
-    /* Variable to define burst read length */
-    uint8_t burst_len = 0;
-    /* Variable to define read length */
-    uint8_t read_length = 0;
-    /* Variable to define the number of burst reads */
-    uint8_t burst_count;
-    /* Variable to define address of the data register*/
-    uint8_t aux_read_addr = BMA4_DATA_0_ADDR;
-
-    /* Extract burst read length in a variable */
-    rslt |= bma4_map_read_len(&burst_len, dev);
-
-    for (burst_count = 0; burst_count < len; burst_count += burst_len) {
-        /* Set the address whose data is to be read */
-        rslt |= bma4_set_mag_read_addr(aux_reg_addr, dev);
-        dev->delay(BMA4_AUX_COM_DELAY);
-
-        if (rslt == BMA4_OK) {
-            /* If user defined length is valid */
-            if (len > 0) {
-                /* Read the data from the data register */
-                rslt |= bma4_read_regs(aux_read_addr, data, (uint8_t)burst_len, dev);
-                dev->delay(BMA4_AUX_COM_DELAY);
-
-                if (rslt == BMA4_OK) {
-                    /* If defined user length or remaining length after a burst
-                    read  is less than burst length */
-                    if ((len - burst_count) < burst_len) {
-                        /* Read length is equal to burst_length or
-                           remaining length*/
-                        read_length = (uint8_t)(len - burst_count);
-                    } else {
-                        /* Read length is equal to burst_length */
-                        read_length = burst_len;
-                    }
-
-                    /* Copy the read data in terms of given read length */
-                    for (len_count = 0; len_count < read_length; len_count++)
-                        aux_data[burst_count +  len_count] = data[len_count];
-
-                    /* Increment the register address by burst read length */
-                    aux_reg_addr += burst_len;
-                } else {
-                    rslt = BMA4_E_RD_WR_LENGTH_INVALID;
-                }
-            } else {
-                rslt = BMA4_E_FAIL;
-            }
-        } else {
-            rslt = BMA4_E_FAIL;
-        }
-    }
-
-    return rslt;
-}
-
-/*!
- * @brief This internal API maps the actual burst read length with user
-            length set.
- */
-static uint16_t bma4_map_read_len(uint8_t *len, const struct bma4_dev *dev)
-{
-    /* Variable to return error codes */
-    uint16_t rslt = BMA4_OK;
-
-    switch (dev->aux_config.burst_read_length) {
-
-    case BMA4_AUX_READ_LEN_0:
-        *len = 1;
-        break;
-    case BMA4_AUX_READ_LEN_1:
-        *len = 2;
-        break;
-    case BMA4_AUX_READ_LEN_2:
-        *len = 6;
-        break;
-    case BMA4_AUX_READ_LEN_3:
-        *len = 8;
-        break;
-    default:
-        rslt = BMA4_E_OUT_OF_RANGE;
-        break;
-    }
-
-    return rslt;
-}
-
-/*!
-* @brief This internal API checks null pointer error
-*/
-static uint16_t bma4_null_pointer_check(const struct bma4_dev *dev)
-{
-    uint16_t rslt = BMA4_OK;
-
-    if ((dev == NULL) || (dev->bus_read == NULL) || (dev->bus_write == NULL))
-        rslt |= BMA4_E_NULL_PTR;
-    else
-        rslt = BMA4_OK;
-
-    return rslt;
-}
+/*
+****************************************************************************
+* Copyright (C) 2015 - 2016 Bosch Sensortec GmbH
+*
+* File :bma4.c
+*
+* Date: 12 Oct 2017
+*
+* Revision: 2.1.9 $
+*
+* Usage: Sensor Driver for BMA4 family of sensors
+*
+****************************************************************************
+* Disclaimer
+*
+* Common:
+* Bosch Sensortec products are developed for the consumer goods industry.
+* They may only be used within the parameters of the respective valid
+* product data sheet.  Bosch Sensortec products are provided with the
+* express understanding that there is no warranty of fitness for a
+* particular purpose.They are not fit for use in life-sustaining,
+* safety or security sensitive systems or any system or device
+* that may lead to bodily harm or property damage if the system
+* or device malfunctions. In addition,Bosch Sensortec products are
+* not fit for use in products which interact with motor vehicle systems.
+* The resale and or use of products are at the purchasers own risk and
+* his own responsibility. The examination of fitness for the intended use
+* is the sole responsibility of the Purchaser.
+*
+* The purchaser shall indemnify Bosch Sensortec from all third party
+* claims, including any claims for incidental, or consequential damages,
+* arising from any product use not covered by the parameters of
+* the respective valid product data sheet or not approved by
+* Bosch Sensortec and reimburse Bosch Sensortec for all costs in
+* connection with such claims.
+*
+* The purchaser must monitor the market for the purchased products,
+* particularly with regard to product safety and inform Bosch Sensortec
+* without delay of all security relevant incidents.
+*
+* Engineering Samples are marked with an asterisk (*) or (e).
+* Samples may vary from the valid technical specifications of the product
+* series. They are therefore not intended or fit for resale to third
+* parties or for use in end products. Their sole purpose is internal
+* client testing. The testing of an engineering sample may in no way
+* replace the testing of a product series. Bosch Sensortec assumes
+* no liability for the use of engineering samples.
+* By accepting the engineering samples, the Purchaser agrees to indemnify
+* Bosch Sensortec from all claims arising from the use of engineering
+* samples.
+*
+* Special:
+* This software module (hereinafter called "Software") and any information
+* on application-sheets (hereinafter called "Information") is provided
+* free of charge for the sole purpose to support your application work.
+* The Software and Information is subject to the following
+* terms and conditions:
+*
+* The Software is specifically designed for the exclusive use for
+* Bosch Sensortec products by personnel who have special experience
+* and training. Do not use this Software if you do not have the
+* proper experience or training.
+*
+* This Software package is provided `` as is `` and without any expressed
+* or implied warranties,including without limitation, the implied warranties
+* of merchantability and fitness for a particular purpose.
+*
+* Bosch Sensortec and their representatives and agents deny any liability
+* for the functional impairment
+* of this Software in terms of fitness, performance and safety.
+* Bosch Sensortec and their representatives and agents shall not be liable
+* for any direct or indirect damages or injury, except as
+* otherwise stipulated in mandatory applicable law.
+*
+* The Information provided is believed to be accurate and reliable.
+* Bosch Sensortec assumes no responsibility for the consequences of use
+* of such Information nor for any infringement of patents or
+* other rights of third parties which may result from its use.
+* No license is granted by implication or otherwise under any patent or
+* patent rights of Bosch. Specifications mentioned in the Information are
+* subject to change without notice.
+**************************************************************************/
+/*! \file bma4.c
+    \brief Sensor Driver for BMA4 family of sensors */
+/***************************************************************************/
+/**\name        Header files
+****************************************************************************/
+#include "bma4.h"
+
+/***************************************************************************/
+/**\name    Static Data Buffer
+****************************************************************************/
+/* Local array to store the values read from the register
+ * using read_regs API  */
+static uint8_t temp_buff[BMA4_MAX_BUFFER_SIZE] = {0};
+
+/***************************************************************************/
+/**\name        Local structures
+****************************************************************************/
+/*!
+ * @brief Accel difference value of axis.
+ */
+struct data_with_sign {
+    /*! Difference value */
+    int16_t val;
+    /*! Indicates negative value if set */
+    uint8_t is_negative;
+};
+
+/*!
+ * @brief Accel data deviation from ideal value
+ */
+struct offset_delta {
+    /*! Accel x axis */
+    struct data_with_sign x;
+    /*! Accel y axis */
+    struct data_with_sign y;
+    /*! Accel z axis */
+    struct data_with_sign z;
+};
+
+/*!
+ * @brief Accel offset xyz structure
+ */
+struct accel_offset {
+    /*! Accel offset X  data */
+    uint8_t x;
+    /*! Accel offset Y  data */
+    uint8_t y;
+    /*! Accel offset Z  data */
+    uint8_t z;
+};
+
+/*!
+ * @brief Accel self test diff xyz data structure
+ */
+struct selftest_delta_limit {
+    /*! Accel X  data */
+    int32_t x;
+    /*! Accel Y  data */
+    int32_t y;
+    /*! Accel Z  data */
+    int32_t z;
+};
+
+/*!
+ * @brief Structure to store temp data values
+ */
+struct accel_temp {
+    /*! Accel X temp data */
+    int32_t x;
+    /*! Accel Y temp data */
+    int32_t y;
+    /*! Accel Z temp data */
+    int32_t z;
+};
+
+/***************************************************************************/
+/*! Static Function Declarations
+****************************************************************************/
+
+/*!
+ *  @brief This API validates the bandwidth and perfmode
+ *  value set by the user.
+ *
+ *  param bandwidth[in] : bandwidth value set by the user.
+ *  param perf_mode[in] : perf_mode value set by the user.
+ */
+static uint16_t validate_bandwidth_perfmode(uint8_t bandwidth, uint8_t perf_mode);
+
+/*!
+ *  @brief @brief This API validates the ODR value set by the user.
+ *
+ *  param bandwidth[in] : odr for accelerometer
+ */
+static uint16_t validate_odr(uint8_t odr);
+
+/*!
+ *  @brief This API is used to reset the FIFO related configurations
+ *  in the fifo_frame structure.
+ *
+ *  @param dev[in,out]  : Structure instance of bma4_dev
+ *
+ */
+static void reset_fifo_data_structure(const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API computes the number of bytes of accel FIFO data
+ *  which is to be parsed in header-less mode
+ *
+ *  @param[out] start_idx   : The start index for parsing data
+ *  @param[out] len         : Number of bytes to be parsed
+ *  @param[in]  acc_count   : Number of accelerometer frames to be read
+ *  @param[in]  dev         : Structure instance of bma4_dev.
+ *
+ */
+static void get_accel_len_to_parse(uint16_t *start_idx, uint16_t *len, const uint16_t *acc_count,
+                                   const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API checks the fifo read data as empty frame, if it
+ *  is empty frame then moves the index to last byte.
+ *
+ *  @param[in,out] data_index   : The index of the current data to
+ *                                be parsed from fifo data
+ *  @param[in]  dev             : Structure instance of bma4_dev.
+ */
+static void check_empty_fifo(uint16_t *data_index, const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API is used to parse the accelerometer data from the
+ *  FIFO data in header mode.
+ *
+ *  @param[in,out] accel_data   : Structure instance of bma4_accel where
+ *                                the accelerometer data in FIFO is stored.
+ *  @param[in,out] accel_length : Number of accelerometer frames
+ *                                (x,y,z axes data)
+ *  @param[in,out] dev          : Structure instance of bma4_dev.
+ *
+ */
+static void extract_accel_header_mode(struct bma4_accel *accel_data, uint16_t *accel_length,
+                                      const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API is used to parse the accelerometer data from the
+ *  FIFO data in both header mode and header-less mode.
+ *  It update the idx value which is used to store the index of
+ *  the current data byte which is parsed.
+ *
+ *  @param[in,out] acc       : Structure instance of bma4_accel.
+ *  @param[in,out] idx       : Index value of number of bytes parsed
+ *  @param[in,out] acc_idx   : Index value of accelerometer data
+ *                             (x,y,z axes) frame to be parsed
+ *  @param[in] frm           : It consists of either fifo_data_enable
+ *                             parameter (Accel and/or mag data enabled in FIFO)
+ *                             in header-less mode or frame header data
+ *                             in header mode
+ *  @param[in]  dev          : Structure instance of bma4_dev.
+ *
+ */
+static void unpack_acc_frm(struct bma4_accel *acc, uint16_t *idx, uint16_t *acc_idx, uint8_t frm,
+                           const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API is used to parse the accelerometer data from the
+ *  FIFO data and store it in the instance of the structure bma4_accel.
+ *
+ *  @param[out] accel_data        : Structure instance of bma4_accel where
+ *                                  the parsed accel data bytes are stored.
+ *  @param[in] data_start_index   : Index value of the accel data bytes
+ *                                  which is to be parsed from the fifo data.
+ *  @param[in] dev                :  Structure instance of bma4_dev.
+ *
+ */
+static void unpack_accel_data(struct bma4_accel *accel_data, uint16_t data_start_index, const struct bma4_dev *dev);
+/*!
+ *  @brief This API computes the number of bytes of Mag FIFO data which is
+ *  to be parsed in header-less mode
+ *
+ *  @param[out] start_idx   : The start index for parsing data
+ *  @param[out] len         : Number of bytes to be parsed
+ *  @param[in]  mag_count   : Number of magnetometer frames to be read
+ *  @param[in]  dev         : Structure instance of bma4_dev.
+ *
+ */
+static void get_mag_len_to_parse(uint16_t *start_idx, uint16_t *len, const uint16_t *mag_count,
+                                 const struct bma4_dev *dev);
+/*!
+ *  @brief This API is used to parse the magnetometer data from the
+ *  FIFO data in header mode.
+ *
+ *  @param[in,out] data     : Structure instance of bma4_mag_xyzr where
+ *                            the magnetometer data in FIFO is extracted
+ *                            and stored.
+ *  @param[in,out] len      : Number of magnetometer frames
+ *                           (x,y,z,r data)
+ *  @param[in,out] dev      : Structure instance of bma4_dev.
+ *
+ *  @return Result of API execution status
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ *
+ */
+static uint16_t extract_mag_header_mode(struct bma4_mag *data, uint16_t *len, const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API is used to parse the magnetometer data from the
+ *  FIFO data in both header mode and header-less mode and update the
+ *  idx value which is used to store the index of the current
+ *  data byte which is parsed.
+ *
+ *  @param data     : Structure instance of bma4_mag_xyzr.
+ *  @param idx      : Index value of number of bytes parsed
+ *  @param mag_idx  : Index value magnetometer data frame (x,y,z,r)
+ *                    to be parsed
+ *  @param frm      : It consists of either the fifo_data_enable parameter
+ *                    (Accel and/or mag data enabled in FIFO) in
+ *                    header-less mode and frame header data in header mode
+ *  @param dev      : Structure instance of bma4_dev.
+ *
+ *  @return Result of API execution status
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ *
+ */
+static uint16_t unpack_mag_frm(struct bma4_mag *data, uint16_t *idx, uint16_t *mag_idx, uint8_t frm,
+                               const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API is used to parse the auxiliary magnetometer data from
+ *  the FIFO data and store it in the instance of the structure mag_data.
+ *
+ *  @param mag_data         : Structure instance of bma4_mag_xyzr where the
+ *                            parsed magnetometer data bytes are stored.
+ *  @param start_idx        : Index value of the magnetometer data bytes
+ *                            which is to be parsed from the FIFO data
+ *  @param dev              : Structure instance of bma4_dev.
+ *
+ *  @return Result of API execution status
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ *
+ */
+static uint16_t unpack_mag_data(struct bma4_mag *mag_data, uint16_t start_idx, const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API is used to parse and store the sensor time from the
+ *  FIFO data in the structure instance dev.
+ *
+ *  @param[in,out] data_index : Index of the FIFO data which
+ *                              has the sensor time.
+ *  @param[in,out] dev        : Structure instance of bma4_dev.
+ *
+ */
+static void unpack_sensortime_frame(uint16_t *data_index, const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API is used to parse and store the skipped_frame_count from
+ *  the FIFO data in the structure instance dev.
+ *
+ *  @param[in,out] data_index       : Index of the FIFO data which
+ *                                    has the skipped frame count.
+ *  @param[in,out] dev              : Structure instance of bma4_dev.
+ *
+ */
+static void unpack_skipped_frame(uint16_t *data_index, const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API is used to parse and store the dropped_frame_count from
+ *  the FIFO data in the structure instance dev.
+ *
+ *  @param[in,out] data_index       : Index of the FIFO data which
+ *                                    has the dropped frame data.
+ *  @param[in,out] dev              : Structure instance of bma4_dev.
+ *
+ */
+static void unpack_dropped_frame(uint16_t *data_index, const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API is used to move the data index ahead of the
+ *  current_frame_length parameter when unnecessary FIFO data appears while
+ *  extracting the user specified data.
+ *
+ *  @param[in,out] data_index       : Index of the FIFO data which
+ *                                    is to be moved ahead of the
+ *                                    current_frame_length
+ *  @param[in] current_frame_length : Number of bytes in a particular frame
+ *  @param[in] dev                  : Structure instance of bma4_dev.
+ *
+ */
+static void move_next_frame(uint16_t *data_index, uint8_t current_frame_length, const struct bma4_dev *dev);
+
+/*!
+*  @brief This API writes the config stream data in memory using burst mode
+*
+*  @param[in] stream_data : Pointer to store data of 32 bytes
+*  @param[in] index : Represents value in multiple of 32 bytes
+*  @param[in] dev : Structure instance of bma4_dev.
+*
+*  @return Result of API execution status
+*  @retval 0 -> Success
+*  @retval Any non zero value -> Fail
+*/
+static uint16_t stream_transfer_write(const uint8_t *stream_data, uint16_t index, struct bma4_dev *dev);
+
+/*!
+ *  @brief This API enables or disables the Accel Self test feature in the
+ *  sensor.
+ *
+ *  @param[in] accel_selftest_enable : Variable used to enable or disable
+ *  the Accel self test feature
+ *  Value   |  Description
+ *  --------|---------------
+ *  0x00    | BMA4_DISABLE
+ *  0x01    | BMA4_ENABLE
+ *
+ *  @param[in] dev : Structure instance of bma4_dev
+ *
+ *  @return Result of API execution status
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ *
+ */
+static uint16_t set_accel_selftest_enable(uint8_t accel_selftest_axis, struct bma4_dev *dev);
+
+/*!
+ *  @brief This API selects the sign of Accel self-test excitation
+ *
+ *  @param[in] accel_selftest_sign: Variable used to select the Accel
+ *  self test sign
+ *  Value   |  Description
+ *  --------|--------------------------
+ *  0x00    | BMA4_DISABLE (negative)
+ *  0x01    | BMA4_ENABLE (positive)
+ *
+ *  @param[in] dev : Structure instance of bma4_dev
+ *
+ *  @return Result of API execution status
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ *
+ */
+static uint16_t set_accel_selftest_sign(uint8_t accel_selftest_sign, struct bma4_dev *dev);
+
+/*!
+ *  @brief This API sets the Accel self test amplitude in the sensor.
+ *
+ *  @param[in] accel_selftest_amp : Variable used to specify the Accel self
+ *  test amplitude
+ *  Value   |  Description
+ *  --------|------------------------------------
+ *  0x00    | BMA4_SELFTEST_AMP_LOW
+ *  0x01    | BMA4_SELFTEST_AMP_HIGH
+ *
+ *  @param[in] dev : structure instance of bma4_dev
+ *
+ *  @return Result of API execution status
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ *
+ */
+static uint16_t set_accel_selftest_amp(uint8_t accel_selftest_amp, struct bma4_dev *dev);
+
+/*!
+ *  @brief This function enables and configures the Accel which is needed
+ *  for Self test operation.
+ *
+ *  @param[in] dev : Structure instance of bma4_dev
+ *
+ *  @return results of self test
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ *
+ */
+static uint16_t set_accel_selftest_config(struct bma4_dev *dev);
+
+/*!
+ *  @brief This API validates the Accel g value provided as input by the
+ *  user for Accel offset compensation.
+ *
+ *  @param[in] gvalue : Pointer variable used to specify the g value
+ *  set by the user for Accel offset compensation.
+ *
+ *  @note The g-values to be passed to the parameter should be
+ *  multiples of 1000000.
+ *
+ *  @return results of the status of user input validation
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ *
+ */
+static uint16_t validate_user_input(const int32_t *gvalue);
+/*!
+ *  @brief This API converts the range value into corresponding integer
+ *  value.
+ *
+ *  @param[in] range_in : input range value.
+ *  @param[out] range_out : pointer to store the integer value of range.
+ *
+ *  @return results of the status of user input validation
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ *
+ */
+static void map_range(uint8_t range_in, uint8_t *range_out);
+
+/*!
+ *  @brief This API normalise the data with offset.
+ *
+ *  @param[out] compensated_data : pointer to store the compensated data.
+ *  @param[in] offset_data : pointer of offset.
+ *
+ *  @return results of the status of user input validation
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ *
+ */
+static void normalise_offset(const struct offset_delta *compensated_data, struct accel_offset *offset_data);
+
+/*!
+ *  @brief This API normalise the data with offset.
+ *
+ *  @param[in] res : resolution of the sensor.
+ *  @param[in] range : G-range of the accel.
+ *  @param[in] delta : pointer of offset_delta.
+ *  @param[out] data : pointer to store accel_offset data.
+ *
+ *  @return results of the status of user input validation
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ *
+ */
+static void scale_offset(uint8_t res, uint8_t range, const struct offset_delta *delta, struct accel_offset *data);
+
+/*!
+ *  @brief This API compensate the accel data against gravity.
+ *
+ *  @param[in] lsb_per_g : lsb value pre 1g.
+ *  @param[in] g_val : G reference value of all axis.
+ *  @param[in] data : pointer of accel_offset data.
+ *  @param[out] comp_data : pointer to store compensated data.
+ *
+ *  @note The g-values to be passed to the parameter should be
+ *  multiples of 1000000.
+ *
+ *  @return results of the status of user input validation
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ *
+ */
+static void comp_for_grvty(uint16_t lsb_per_g, const int32_t g_val[3], const struct bma4_accel *data,
+                           struct offset_delta *comp_data);
+/*!
+ *  @brief This function validates the Accel Self test data and decides the
+ *  result of Self test operation.
+ *
+ *  @param[in] accel_data_diff : Pointer to structure variable which holds
+ *  the Accel data difference of Self test operation
+ *  @param[in] dev : Structure instance of bma4_dev
+ *
+ *  @return results of self test operation
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ *
+ */
+static uint16_t validate_selftest(const struct selftest_delta_limit *accel_data_diff,
+                                  const struct bma4_dev *dev);
+
+/*!
+ *  @brief This function configure the Accel for FOC.
+ *
+ *  @param[in] acc_conf : accel config structure instance
+ *  @param[in] acc_en : enables the accel
+ *  @param[in] pwr_mode : set the power mode
+ *  @param[in] dev : Structure instance of bma4_dev
+ *
+ *  @return results of self test operation
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ *
+ */
+static uint16_t foc_config(struct bma4_accel_config *acc_conf, uint8_t *acc_en, uint8_t *pwr_mode,
+                           struct bma4_dev *dev);
+
+/*!
+ *  @brief This API converts lsb value of axes to mg for self-test
+ *
+ *  @param[in] accel_data_diff : Pointer variable used to pass accel difference
+ *  values in g
+ *  @param[out] accel_data_diff_mg : Pointer variable used to store accel
+ *  difference values in mg
+ *  @param[out] dev : Structure instance of bma4_dev
+ *
+ *  @return None *
+ */
+static void convert_lsb_g(const struct selftest_delta_limit *accel_data_diff,
+                          struct selftest_delta_limit *accel_data_diff_mg,
+                          const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API sets the feature config. data start address in the sensor.
+ *
+ *  @param[in] dev  : Structure instance of bma4_dev.
+ *
+ *  @return Result of API execution status
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ */
+static uint16_t set_feature_config_start_addr(struct bma4_dev *dev);
+
+/*!
+ *  @brief This API increments the feature config. data address according to the user
+ *  provided read/write length in the dev structure.
+ *
+ *  @param[in] dev  : Structure instance of bma4_dev.
+ *
+ *  @return Result of API execution status
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ */
+static uint16_t increment_feature_config_addr(const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API reads the 8-bit data from the given register
+ *  in the sensor.
+ */
+static uint16_t read_regs(uint8_t addr, uint8_t *data, uint8_t len, const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API writes the 8-bit data to the given register
+ *  in the sensor.
+ */
+static uint16_t write_regs(uint8_t addr, uint8_t *data, uint8_t len, const struct bma4_dev *dev);
+
+/*!
+ *  @brief This API sets the feature config. data start address in the sensor.
+ */
+static uint16_t get_feature_config_start_addr(struct bma4_dev *dev);
+
+/*!
+ * @brief This API is used to calculate the power of given
+ * base value.
+ *
+ * @param[in] base : value of base
+ * @param[in] resolution : resolution of the sensor
+ *
+ * @return : return the value of base^resolution
+ */
+
+static int32_t power(int16_t base, uint8_t resolution);
+
+/*!
+ * @brief This API performs roundoff on given value
+ *
+ * @param[in] value : Value which is need to be rounded off
+ *
+ * @return : None
+ */
+static int8_t roundoff(int32_t value);
+
+/*!
+ * @brief This API finds the bit position of 3.9mg according to given range
+ * and resolution.
+ *
+ * @param[in] range : range of the accel.
+ * @param[in] res : resolution of the accel.
+ *
+ * @return : bit position of 3.9mg
+ */
+static int8_t get_bit_pos_3_9mg(uint8_t range, uint8_t res);
+
+/*!
+ * @brief This API finds the the null error of the device pointer structure
+ *
+ * @param[in] dev : Structure instance of bma4_dev.
+ *
+ * @return Null error
+ */
+static uint16_t bma4_null_pointer_check(const struct bma4_dev *dev);
+
+/*!
+ * @brief This internal API brings up the secondary interface to access
+ *          auxiliary sensor
+ *
+ * @param[in] dev : Structure instance of bma4_dev.
+ *
+ * @return Result of API execution status
+ *
+ * @retval 0 if success, else fail
+ */
+static uint16_t bma4_set_aux_interface_config(struct bma4_dev *dev);
+
+/*!
+ * @brief This internal API reads the data from the auxiliary sensor
+ * depending on burst length configured
+ *
+ * @param[in] dev  : Structure instance of bma4_dev.
+ * @param[out] aux_data  : Pointer variable to store data read
+ * @param[in] aux_reg_addr  : Variable to pass address from where
+ *                            data is to be read
+ *
+ * @return Result of API execution status
+ *
+ * @retval 0 if success, else fail
+ */
+static uint16_t bma4_extract_aux_data(uint8_t aux_reg_addr, uint8_t *aux_data, uint16_t len, struct bma4_dev *dev);
+
+/*!
+ * @brief This internal API maps the actual burst read length with user length set.
+ *
+ * @param[in] dev  : Structure instance of bma4_dev.
+ * @param[out] len  : Pointer variable to store mapped length
+ *
+ * @return Result of API execution status
+ *
+ * @retval 0 if success, else fail
+ */
+static uint16_t bma4_map_read_len(uint8_t *len, const struct bma4_dev *dev);
+
+/***************************************************************************/
+/**\name        Extern Declarations
+****************************************************************************/
+
+/***************************************************************************/
+/**\name        Globals
+****************************************************************************/
+
+
+/***************************************************************************/
+/**\name        Function definitions
+****************************************************************************/
+/*!
+ *  @brief This API is the entry point.
+ *  Call this API before using all other APIs.
+ *  This API reads the chip-id of the sensor which is the first step to
+ *  verify the sensor and also it configures the read mechanism of SPI and
+ *  I2C interface.
+ */
+uint16_t bma4_init(struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+    /* Check the bma4 structure as NULL */
+    if ((dev == NULL) || (dev->bus_read == NULL) || (dev->bus_write == NULL)) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        if (dev->interface == BMA4_SPI_INTERFACE)
+            dev->dummy_byte = 1;
+        else
+            dev->dummy_byte = 0;
+
+        rslt |= bma4_read_regs(BMA4_CHIP_ID_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            /* Assign Chip Id */
+            dev->chip_id = data;
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API is used to write the binary configuration in the sensor
+ */
+uint16_t bma4_write_config_file(struct bma4_dev *dev)
+{
+    uint16_t rslt;
+    /* Config loading disable*/
+    uint8_t config_load = 0;
+    uint16_t index = 0;
+    uint8_t config_stream_status = 0;
+
+    /* Disable advanced power save */
+    rslt = bma4_set_advance_power_save(BMA4_DISABLE, dev);
+    /* Wait for sensor time synchronization. Refer the data-sheet for
+    more information*/
+    dev->delay(1);
+
+    if (rslt == BMA4_OK) {
+        /* Disable config loading*/
+        rslt |= bma4_write_regs(BMA4_INIT_CTRL_ADDR, &config_load, 1, dev);
+        /* Write the config stream */
+        for (index = 0; index < BMA4_CONFIG_STREAM_SIZE; index += dev->read_write_len)
+            rslt |= stream_transfer_write((dev->config_file_ptr + index), index, dev);
+
+        /* Enable config loading and FIFO mode */
+        config_load = 0x01;
+        rslt |= bma4_write_regs(BMA4_INIT_CTRL_ADDR, &config_load, 1, dev);
+        /* Wait till ASIC is initialized. Refer the data-sheet for
+        more information*/
+        dev->delay(150);
+        /* Read the status of config stream operation */
+        rslt |= bma4_read_regs(BMA4_INTERNAL_STAT, &config_stream_status, 1, dev);
+
+        if (config_stream_status != BMA4_ASIC_INITIALIZED) {
+            rslt |= BMA4_E_CONFIG_STREAM_ERROR;
+        } else {
+            /* Enable advanced power save */
+            rslt |= bma4_set_advance_power_save(BMA4_ENABLE, dev);
+            rslt |= get_feature_config_start_addr(dev);
+        }
+    }
+    return rslt;
+}
+
+/*!
+ *  @brief This API checks whether the write operation requested is for feature
+ *  config or register write and accordingly writes the data in the sensor.
+ */
+uint16_t bma4_write_regs(uint8_t addr, uint8_t *data, uint8_t len, struct bma4_dev *dev)
+{
+    uint8_t i;
+    uint8_t loop_count;
+    uint8_t overflow;
+    uint8_t index;
+    uint16_t rslt = BMA4_OK;
+    uint8_t adv_pwr_save = 0;
+
+    /* Check the dev structure as NULL*/
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        if (addr == BMA4_FEATURE_CONFIG_ADDR) {
+            /* Disable APS if enabled before writing the feature config register */
+            rslt = bma4_get_advance_power_save(&adv_pwr_save, dev);
+            if (adv_pwr_save == BMA4_ENABLE) {
+                rslt |= bma4_set_advance_power_save(BMA4_DISABLE, dev);
+                /* Wait for sensor time synchronization. Refer the data-sheet for
+                more information*/
+                dev->delay(1);
+            }
+
+            if (((len % 2) == 0) && (len <= dev->feature_len) && (rslt == BMA4_OK)) {
+                if (dev->read_write_len < len) {
+                    /* Calculate the no of writes to be performed according
+                    to the read/write length */
+                    loop_count = len / dev->read_write_len;
+                    overflow = len % dev->read_write_len;
+                    index = 0;
+                    rslt = set_feature_config_start_addr(dev);
+                    for (i = 0; i < loop_count; i++) {
+                        rslt |= write_regs(BMA4_FEATURE_CONFIG_ADDR, data + index,
+                                           dev->read_write_len, dev);
+                        rslt |= increment_feature_config_addr(dev);
+                        index = index + dev->read_write_len;
+                    }
+                    if (overflow)
+                        rslt |= write_regs(BMA4_FEATURE_CONFIG_ADDR, data + index,
+                                           overflow, dev);
+                    rslt |= set_feature_config_start_addr(dev);
+                } else {
+                    rslt = write_regs(BMA4_FEATURE_CONFIG_ADDR, data, len, dev);
+                }
+            } else {
+                rslt = BMA4_E_RD_WR_LENGTH_INVALID;
+            }
+
+            if (rslt == BMA4_OK) {
+                /* Enable APS once write feature config register is done */
+                rslt = bma4_get_advance_power_save(&adv_pwr_save, dev);
+                if (adv_pwr_save == BMA4_DISABLE) {
+                    rslt |= bma4_set_advance_power_save(BMA4_ENABLE, dev);
+                    /* Wait for sensor time synchronization. Refer the data-sheet for
+                    more information*/
+                    dev->delay(1);
+                }
+            }
+
+        } else {
+            rslt = write_regs(addr, data, len, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API writes the 8-bit data to the given register
+ *  in the sensor.
+ */
+static uint16_t write_regs(uint8_t addr, uint8_t *data, uint8_t len, const struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        if (dev->interface == BMA4_SPI_INTERFACE)
+            addr = addr & BMA4_SPI_WR_MASK;
+        /* write data in the register*/
+        rslt |= dev->bus_write(dev->dev_addr, addr, data, len);
+    }
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the feature config. data start address in the sensor.
+ */
+static uint16_t get_feature_config_start_addr(struct bma4_dev *dev)
+{
+    uint16_t rslt;
+    uint8_t asic_lsb;
+    uint8_t asic_msb;
+
+    rslt = read_regs(BMA4_RESERVED_REG_5B_ADDR, &asic_lsb, 1, dev);
+    rslt |= read_regs(BMA4_RESERVED_REG_5C_ADDR, &asic_msb, 1, dev);
+
+    /* Store asic info in dev structure */
+    dev->asic_data.asic_lsb = asic_lsb & 0x0F;
+    dev->asic_data.asic_msb = asic_msb;
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the feature config. data start address in the sensor.
+ */
+static uint16_t set_feature_config_start_addr(struct bma4_dev *dev)
+{
+    uint16_t rslt;
+
+    rslt = write_regs(BMA4_RESERVED_REG_5B_ADDR, &dev->asic_data.asic_lsb, 1, dev);
+    rslt |= write_regs(BMA4_RESERVED_REG_5C_ADDR, &dev->asic_data.asic_msb, 1, dev);
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API increments the feature config. data address according to the user
+ *  provided read/write length in the dev structure.
+ */
+static uint16_t increment_feature_config_addr(const struct bma4_dev *dev)
+{
+    uint16_t rslt;
+    uint16_t asic_addr;
+    uint8_t asic_lsb;
+    uint8_t asic_msb;
+
+    /* Read the asic address from the sensor */
+    rslt = read_regs(BMA4_RESERVED_REG_5B_ADDR, &asic_lsb, 1, dev);
+    rslt |= read_regs(BMA4_RESERVED_REG_5C_ADDR, &asic_msb, 1, dev);
+    /* Get the asic address */
+    asic_addr = (asic_msb << 4) | (asic_lsb & 0x0F);
+    /* Sum the asic address with read/write length after converting from
+    byte to word */
+    asic_addr = asic_addr + (dev->read_write_len / 2);
+    /* Split the asic address */
+    asic_lsb = asic_addr & 0x0F;
+    asic_msb = (uint8_t)(asic_addr  >> 4);
+    /* Write the asic address in the sensor */
+    rslt |= write_regs(BMA4_RESERVED_REG_5B_ADDR, &asic_lsb, 1, dev);
+    rslt |= write_regs(BMA4_RESERVED_REG_5C_ADDR, &asic_msb, 1, dev);
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API checks whether the read operation requested is for feature
+ *  or register read and accordingly reads the data from the sensor.
+ */
+uint16_t bma4_read_regs(uint8_t addr, uint8_t *data, uint8_t len, struct bma4_dev *dev)
+{
+    uint8_t i;
+    uint8_t loop_count;
+    uint8_t overflow;
+    uint8_t index;
+    uint16_t rslt = BMA4_OK;
+    uint8_t adv_pwr_save = 0;
+
+    /* Check the dev structure as NULL*/
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        if (addr == BMA4_FEATURE_CONFIG_ADDR) {
+            /* Disable APS if enabled before reading the feature config register */
+            rslt = bma4_get_advance_power_save(&adv_pwr_save, dev);
+            if (adv_pwr_save == BMA4_ENABLE) {
+                rslt |= bma4_set_advance_power_save(BMA4_DISABLE, dev);
+                /* Wait for sensor time synchronization. Refer the data-sheet for
+                more information*/
+                dev->delay(1);
+            }
+
+            if (((len % 2) == 0) && (len <= dev->feature_len) && (rslt == BMA4_OK)) {
+                if (dev->read_write_len < len) {
+                    /* Calculate the no of writes to be performed according
+                    to the read/write length */
+                    loop_count = len / dev->read_write_len;
+                    overflow = len % dev->read_write_len;
+                    index = 0;
+                    rslt = set_feature_config_start_addr(dev);
+                    for (i = 0; i < loop_count; i++) {
+                        rslt |= read_regs(BMA4_FEATURE_CONFIG_ADDR, data + index,
+                                          dev->read_write_len, dev);
+                        rslt |= increment_feature_config_addr(dev);
+                        index = index + dev->read_write_len;
+                    }
+                    if (overflow)
+                        rslt |= read_regs(BMA4_FEATURE_CONFIG_ADDR, data + index,
+                                          overflow, dev);
+                    rslt |= set_feature_config_start_addr(dev);
+                } else {
+                    rslt = read_regs(BMA4_FEATURE_CONFIG_ADDR, data, len, dev);
+                }
+            } else {
+                rslt = BMA4_E_RD_WR_LENGTH_INVALID;
+            }
+            if (rslt == BMA4_OK) {
+                /* Enable APS once read feature config register is done */
+                rslt = bma4_get_advance_power_save(&adv_pwr_save, dev);
+                if (adv_pwr_save == BMA4_DISABLE) {
+                    rslt |= bma4_set_advance_power_save(BMA4_ENABLE, dev);
+                    /* Wait for sensor time synchronization. Refer the data-sheet for
+                    more information*/
+                    dev->delay(1);
+                }
+            }
+        } else {
+            rslt = read_regs(addr, data, len, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the 8-bit data from the given register
+ *  in the sensor.
+ */
+static uint16_t read_regs(uint8_t addr, uint8_t *data, uint8_t len, const struct bma4_dev *dev)
+{
+    /* variable used to return the status of communication result*/
+    uint16_t rslt = 0;
+    uint16_t temp_len = len + dev->dummy_byte;
+    uint16_t i;
+
+    if (dev->interface == BMA4_SPI_INTERFACE) {
+        /* SPI mask added */
+        addr = addr | BMA4_SPI_RD_MASK;
+    }
+
+    if (temp_len > BMA4_MAX_BUFFER_SIZE) {
+        /* Buffer size is not sufficient */
+        rslt |= BMA4_E_OUT_OF_RANGE;
+    }
+
+    if (rslt == BMA4_OK) {
+        /* Read the data from the register */
+        rslt |= dev->bus_read(dev->dev_addr, addr, temp_buff, temp_len);
+
+        for (i = 0; i < len; i++) {
+            /* Parsing and storing the valid data */
+            data[i] = temp_buff[i + dev->dummy_byte];
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the error status from the sensor.
+ */
+uint16_t bma4_get_error_status(struct bma4_err_reg *err_reg, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Read the error codes*/
+        rslt |= bma4_read_regs(BMA4_ERROR_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            /* Fatal error*/
+            err_reg->fatal_err = BMA4_GET_BITS_POS_0(data, BMA4_FATAL_ERR);
+            /* Cmd error*/
+            err_reg->cmd_err = BMA4_GET_BITSLICE(data, BMA4_CMD_ERR);
+            /* User error*/
+            err_reg->err_code = BMA4_GET_BITSLICE(data, BMA4_ERR_CODE);
+            /* FIFO error*/
+            err_reg->fifo_err = BMA4_GET_BITSLICE(data, BMA4_FIFO_ERR);
+            /* Mag data ready error*/
+            err_reg->aux_err = BMA4_GET_BITSLICE(data, BMA4_AUX_ERR);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the sensor status from the sensor.
+ */
+uint16_t bma4_get_status(uint8_t *status, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Read the error codes*/
+        rslt |= bma4_read_regs(BMA4_STATUS_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *status = data;
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the Accel data for x,y and z axis from the sensor.
+ *  The data units is in LSB format.
+ */
+uint16_t bma4_read_accel_xyz(struct bma4_accel *accel, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint16_t lsb = 0;
+    uint16_t msb = 0;
+    uint8_t data[BMA4_ACCEL_DATA_LENGTH] = {0};
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_DATA_8_ADDR, data, BMA4_ACCEL_DATA_LENGTH, dev);
+
+        if (rslt == BMA4_OK) {
+            msb = data[1];
+            lsb = data[0];
+            /* Accel data x axis */
+            accel->x = (int16_t)((msb << 8) | lsb);
+
+            msb = data[3];
+            lsb = data[2];
+            /* Accel data y axis */
+            accel->y = (int16_t)((msb << 8) | lsb);
+
+            msb = data[5];
+            lsb = data[4];
+            /* Accel data z axis */
+            accel->z = (int16_t)((msb << 8) | lsb);
+
+            if (dev->resolution == BMA4_12_BIT_RESOLUTION) {
+                accel->x = (accel->x / 0x10);
+                accel->y = (accel->y / 0x10);
+                accel->z = (accel->z / 0x10);
+            } else if (dev->resolution == BMA4_14_BIT_RESOLUTION) {
+                accel->x = (accel->x / 0x04);
+                accel->y = (accel->y / 0x04);
+                accel->z = (accel->z / 0x04);
+            }
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the sensor time of Sensor time gets updated
+ *  with every update of data register or FIFO.
+ */
+uint16_t bma4_get_sensor_time(uint32_t *sensor_time, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data[BMA4_SENSOR_TIME_LENGTH] = {0};
+    uint8_t msb = 0;
+    uint8_t xlsb = 0;
+    uint8_t lsb = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_SENSORTIME_0_ADDR, data, BMA4_SENSOR_TIME_LENGTH, dev);
+
+        if (rslt == BMA4_OK) {
+            msb = data[BMA4_SENSOR_TIME_MSB_BYTE];
+            xlsb = data[BMA4_SENSOR_TIME_XLSB_BYTE];
+            lsb = data[BMA4_SENSOR_TIME_LSB_BYTE];
+            *sensor_time = (uint32_t)((msb << 16) | (xlsb << 8) | lsb);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the chip temperature of sensor.
+ *
+ *  @note Using a scaling factor of 1000, to obtain integer values, which
+ *  at the user end, are used to get accurate temperature value .
+ *  BMA4_FAHREN_SCALED = 1.8 * 1000, BMA4_KELVIN_SCALED = 273.15 * 1000
+ */
+uint16_t bma4_get_temperature(int32_t *temp, uint8_t temp_unit, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data[BMA4_TEMP_DATA_SIZE] = {0};
+    int32_t temp_raw_scaled = 0;
+
+    /* Check for Null pointer error */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Read temperature value from the register */
+        rslt |= bma4_read_regs(BMA4_TEMPERATURE_ADDR, data, BMA4_TEMP_DATA_SIZE, dev);
+
+        if (rslt == BMA4_OK)
+            temp_raw_scaled = (int32_t)data[BMA4_TEMP_BYTE] * BMA4_SCALE_TEMP;
+
+        /* '0' value read from the register corresponds to 23 degree C */
+        (*temp) = temp_raw_scaled + (BMA4_OFFSET_TEMP * BMA4_SCALE_TEMP);
+
+        switch (temp_unit) {
+        case BMA4_DEG:
+            break;
+
+        case BMA4_FAHREN:
+            /* Temperature in degree Fahrenheit */
+            (*temp) = (((*temp) / BMA4_SCALE_TEMP) * BMA4_FAHREN_SCALED) + (32 * BMA4_SCALE_TEMP);
+            break;
+
+        case BMA4_KELVIN:
+            /* Temperature in degree Kelvin */
+            (*temp) = (*temp) + BMA4_KELVIN_SCALED;
+            break;
+
+        default:
+            break;
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the Output data rate, Bandwidth, perf_mode
+ *  and Range of accel.
+ */
+uint16_t bma4_get_accel_config(struct bma4_accel_config *accel, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data[2] = {0};
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_ACCEL_CONFIG_ADDR, data, BMA4_ACCEL_CONFIG_LENGTH, dev);
+
+        if (rslt == BMA4_OK) {
+            /* To get the ODR */
+            accel->odr =  BMA4_GET_BITS_POS_0(data[0], BMA4_ACCEL_ODR);
+            /* To get the bandwidth */
+            accel->bandwidth = BMA4_GET_BITSLICE(data[0], BMA4_ACCEL_BW);
+            /* To get the under sampling mode */
+            accel->perf_mode = BMA4_GET_BITSLICE(data[0], BMA4_ACCEL_PERFMODE);
+            /* Read the Accel range */
+            accel->range = BMA4_GET_BITS_POS_0(data[1], BMA4_ACCEL_RANGE);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the output_data_rate, bandwidth, perf_mode
+ *  and range of Accel.
+ */
+uint16_t bma4_set_accel_config(const struct bma4_accel_config *accel, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t accel_config_data[2] = {0, 0};
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* check whether the bandwidth and perfmode
+            settings are valid */
+        rslt = validate_bandwidth_perfmode(accel->bandwidth, accel->perf_mode);
+
+        if (rslt == BMA4_OK) {
+            /* check ODR is valid */
+            rslt |= validate_odr(accel->odr);
+
+            if (rslt == BMA4_OK) {
+                accel_config_data[0] = accel->odr & BMA4_ACCEL_ODR_MSK;
+                accel_config_data[0] |= (uint8_t)(accel->bandwidth << BMA4_ACCEL_BW_POS);
+                accel_config_data[0] |= (uint8_t)(accel->perf_mode << BMA4_ACCEL_PERFMODE_POS);
+                accel_config_data[1] = accel->range & BMA4_ACCEL_RANGE_MSK;
+
+                /* Burst write is not possible in
+                suspend mode hence individual write is
+                used with delay of 1 ms */
+                rslt |= bma4_write_regs(BMA4_ACCEL_CONFIG_ADDR, &accel_config_data[0], 1, dev);
+                dev->delay(BMA4_GEN_READ_WRITE_DELAY);
+                rslt |= bma4_write_regs((BMA4_ACCEL_CONFIG_ADDR + 1), &accel_config_data[1],
+                                        1, dev);
+            }
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API validates the bandwidth and perf_mode
+ *  value set by the user.
+ */
+static uint16_t validate_bandwidth_perfmode(uint8_t bandwidth, uint8_t perf_mode)
+{
+    uint16_t rslt = BMA4_OK;
+
+    if (perf_mode == BMA4_CONTINUOUS_MODE) {
+        if (bandwidth > BMA4_ACCEL_NORMAL_AVG4) {
+            /* Invalid bandwidth error for continuous mode */
+            rslt = BMA4_E_OUT_OF_RANGE;
+        }
+    } else if (perf_mode == BMA4_CIC_AVG_MODE) {
+        if (bandwidth > BMA4_ACCEL_RES_AVG128) {
+            /* Invalid bandwidth error for CIC avg. mode */
+            rslt = BMA4_E_OUT_OF_RANGE;
+        }
+    } else {
+        rslt = BMA4_E_OUT_OF_RANGE;
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API validates the ODR value set by the user.
+ */
+static uint16_t validate_odr(uint8_t odr)
+{
+    uint16_t rslt = BMA4_OK;
+
+    if ((odr < BMA4_OUTPUT_DATA_RATE_0_78HZ) || (odr > BMA4_OUTPUT_DATA_RATE_1600HZ)) {
+        /* If odr is not valid return error */
+        rslt = BMA4_E_OUT_OF_RANGE;
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the advance power save mode in the sensor.
+ */
+uint16_t bma4_set_advance_power_save(uint8_t adv_pwr_save, struct bma4_dev *dev)
+{
+    uint16_t rslt = BMA4_OK;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_POWER_CONF_ADDR, &data, 1, dev);
+        if (rslt == BMA4_OK) {
+            data = BMA4_SET_BITS_POS_0(data, BMA4_ADVANCE_POWER_SAVE, adv_pwr_save);
+            rslt |= bma4_write_regs(BMA4_POWER_CONF_ADDR, &data, 1, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the status of advance power save mode
+ *  from the sensor.
+ */
+uint16_t bma4_get_advance_power_save(uint8_t *adv_pwr_save, struct bma4_dev *dev)
+{
+    uint16_t rslt = BMA4_OK;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_POWER_CONF_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *adv_pwr_save = BMA4_GET_BITS_POS_0(data, BMA4_ADVANCE_POWER_SAVE);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the FIFO self wake up functionality in the sensor.
+ */
+uint16_t bma4_set_fifo_self_wakeup(uint8_t fifo_self_wakeup, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_POWER_CONF_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            data = BMA4_SET_BITSLICE(data, BMA4_FIFO_SELF_WAKE_UP, fifo_self_wakeup);
+            rslt |= bma4_write_regs(BMA4_POWER_CONF_ADDR, &data, 1, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API gets the status of FIFO self wake up functionality from
+ *  the sensor.
+ */
+uint16_t bma4_get_fifo_self_wakeup(uint8_t *fifo_self_wake_up, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_POWER_CONF_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *fifo_self_wake_up = BMA4_GET_BITSLICE(data, BMA4_FIFO_SELF_WAKE_UP);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API enables or disables the Accel in the sensor.
+ */
+uint16_t bma4_set_accel_enable(uint8_t accel_en, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_POWER_CTRL_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            data = BMA4_SET_BITSLICE(data, BMA4_ACCEL_ENABLE, accel_en);
+            rslt |= bma4_write_regs(BMA4_POWER_CTRL_ADDR, &data, 1, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API checks whether Accel is enabled or not in the sensor.
+ */
+uint16_t bma4_get_accel_enable(uint8_t *accel_en, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_POWER_CTRL_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *accel_en = BMA4_GET_BITSLICE(data, BMA4_ACCEL_ENABLE);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API is used to enable or disable auxiliary Mag
+ *  in the sensor.
+ */
+uint16_t bma4_set_mag_enable(uint8_t mag_en, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_POWER_CTRL_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            data = BMA4_SET_BITS_POS_0(data, BMA4_MAG_ENABLE, mag_en);
+            rslt |= bma4_write_regs(BMA4_POWER_CTRL_ADDR, &data, 1, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API is used to check whether the auxiliary Mag is enabled
+ *  or not in the sensor.
+ */
+uint16_t bma4_get_mag_enable(uint8_t *mag_en, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_POWER_CTRL_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *mag_en = BMA4_GET_BITS_POS_0(data, BMA4_MAG_ENABLE);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the SPI interface mode which is set for primary
+ *  interface.
+ */
+uint16_t bma4_get_spi_interface(uint8_t *spi, struct bma4_dev *dev)
+{
+    uint16_t rslt  = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Read SPI mode */
+        rslt |= bma4_read_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *spi = BMA4_GET_BITS_POS_0(data, BMA4_CONFIG_SPI3);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API configures the SPI interface Mode for primary interface
+ */
+uint16_t bma4_set_spi_interface(uint8_t spi, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        if (spi <= BMA4_MAX_VALUE_SPI3) {
+            /* Write SPI mode */
+            rslt |= bma4_read_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
+
+            if (rslt == BMA4_OK) {
+                data = BMA4_SET_BITS_POS_0(data, BMA4_CONFIG_SPI3, spi);
+                rslt |= bma4_write_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
+            }
+        } else {
+            rslt |= BMA4_E_OUT_OF_RANGE;
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+*  @brief This API writes the available sensor specific commands
+*  to the sensor.
+*/
+uint16_t bma4_set_command_register(uint8_t command_reg, struct bma4_dev *dev)
+{
+    uint16_t rslt  = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Write command register */
+        rslt |= bma4_write_regs(BMA4_CMD_ADDR, &command_reg, 1, dev);
+    }
+
+    return rslt;
+}
+
+/*!
+ * @brief This API sets the I2C device address of auxiliary sensor
+ */
+uint16_t bma4_set_i2c_device_addr(struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0, dev_id = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Write the auxiliary I2C device address */
+        rslt |= bma4_read_regs(BMA4_AUX_DEV_ID_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            dev_id = BMA4_SET_BITSLICE(data, BMA4_I2C_DEVICE_ADDR, dev->aux_config.aux_dev_addr);
+            rslt |= bma4_write_regs(BMA4_AUX_DEV_ID_ADDR, &dev_id, 1, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the register access on MAG_IF[2], MAG_IF[3],
+ *  MAG_IF[4] in the sensor. This implies that the DATA registers are
+ *  not updated with Mag values automatically.
+ */
+uint16_t bma4_set_mag_manual_enable(uint8_t mag_manual, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Write the Mag manual*/
+        rslt |= bma4_read_regs(BMA4_AUX_IF_CONF_ADDR, &data, 1, dev);
+        dev->delay(BMA4_GEN_READ_WRITE_DELAY);
+
+        if (rslt == BMA4_OK) {
+            /* Set the bit of Mag manual enable */
+            data = BMA4_SET_BITSLICE(data, BMA4_MAG_MANUAL_ENABLE, mag_manual);
+            rslt |= bma4_write_regs(BMA4_AUX_IF_CONF_ADDR, &data, 1, dev);
+
+            if (rslt == BMA4_OK)
+                dev->aux_config.manual_enable = (uint8_t)mag_manual;
+        } else {
+            /*dev->mag_manual_enable = 0;*/
+            dev->aux_config.manual_enable = 0;
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API checks whether the Mag access is done manually or
+ *  automatically in the sensor.
+ *  If the Mag access is done through manual mode then Mag data registers
+ *  in sensor are not updated automatically.
+ */
+uint16_t bma4_get_mag_manual_enable(uint8_t *mag_manual, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Read Mag manual */
+        rslt |= bma4_read_regs(BMA4_AUX_IF_CONF_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *mag_manual = BMA4_GET_BITSLICE(data, BMA4_MAG_MANUAL_ENABLE);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the I2C interface configuration(if) mode
+ *  for auxiliary Mag.
+ */
+uint16_t bma4_set_aux_if_mode(uint8_t if_mode, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            data = BMA4_SET_BITSLICE(data, BMA4_IF_CONFIG_IF_MODE, if_mode);
+            rslt |= bma4_write_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API gets the address of the register of Aux Mag sensor
+ *  where the data to be read.
+ */
+uint16_t bma4_get_mag_read_addr(uint8_t *mag_read_addr, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_AUX_RD_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *mag_read_addr = BMA4_GET_BITS_POS_0(data, BMA4_READ_ADDR);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the address of the register of Aux Mag sensor
+ *  where the data to be read.
+ */
+uint16_t bma4_set_mag_read_addr(uint8_t mag_read_addr, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Write the Mag read address*/
+        rslt |= bma4_write_regs(BMA4_AUX_RD_ADDR, &mag_read_addr, 1, dev);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API gets the Aux Mag write address from the sensor.
+ *  Mag write address is where the Mag data will be written.
+ */
+uint16_t bma4_get_mag_write_addr(uint8_t *mag_write_addr, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_AUX_WR_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *mag_write_addr = BMA4_GET_BITS_POS_0(data, BMA4_WRITE_ADDR);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the Aux Mag write address in the sensor.
+ *  Mag write address is where the Mag data will be written.
+ */
+uint16_t bma4_set_mag_write_addr(uint8_t mag_write_addr, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL)
+        rslt |= BMA4_E_NULL_PTR;
+    else
+        rslt |= bma4_write_regs(BMA4_AUX_WR_ADDR, &mag_write_addr, 1, dev);
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the data from the sensor which is written to the
+ *  Mag.
+ */
+uint16_t bma4_get_mag_write_data(uint8_t *mag_write_data, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_AUX_WR_DATA_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *mag_write_data = BMA4_GET_BITS_POS_0(data, BMA4_WRITE_DATA);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the data in the sensor which in turn will
+ *  be written to Mag.
+ */
+uint16_t bma4_set_mag_write_data(uint8_t mag_write_data, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL)
+        rslt |= BMA4_E_NULL_PTR;
+    else
+        rslt |= bma4_write_regs(BMA4_AUX_WR_DATA_ADDR, &mag_write_data, 1, dev);
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the x,y,z and r axis data from the auxiliary
+ *  Mag BMM150/AKM9916 sensor.
+ */
+uint16_t bma4_read_mag_xyzr(struct bma4_mag_xyzr *mag, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint16_t msb = 0;
+    uint16_t lsb = 0;
+    uint8_t data[BMA4_MAG_XYZR_DATA_LENGTH] = {0};
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_DATA_0_ADDR, data, BMA4_MAG_XYZR_DATA_LENGTH, dev);
+
+        if (rslt == BMA4_OK) {
+            /* Data X */
+            /* X-axis LSB value shifting */
+            lsb = BMA4_GET_BITSLICE(data[BMA4_MAG_X_LSB_BYTE], BMA4_DATA_MAG_X_LSB);
+            msb = data[BMA4_MAG_X_MSB_BYTE];
+            mag->x = (int16_t)((msb << 8) | lsb);
+            mag->x = (mag->x / 0x08);
+
+            /* Data Y */
+            /* Y-axis LSB value shifting */
+            lsb = BMA4_GET_BITSLICE(data[BMA4_MAG_Y_LSB_BYTE], BMA4_DATA_MAG_Y_LSB);
+            msb = data[BMA4_MAG_Y_MSB_BYTE];
+            mag->y = (int16_t)((msb << 8) |  lsb);
+            mag->y = (mag->y / 0x08);
+
+            /* Data Z */
+            /* Z-axis LSB value shifting */
+            lsb = BMA4_GET_BITSLICE(data[BMA4_MAG_Z_LSB_BYTE], BMA4_DATA_MAG_Z_LSB);
+            msb = data[BMA4_MAG_Z_MSB_BYTE];
+            mag->z = (int16_t)((msb << 8) | lsb);
+            mag->z = (mag->z / 0x02);
+
+            /* RHall */
+            /* R-axis LSB value shifting */
+            lsb = BMA4_GET_BITSLICE(data[BMA4_MAG_R_LSB_BYTE], BMA4_DATA_MAG_R_LSB);
+            msb = data[BMA4_MAG_R_MSB_BYTE];
+            mag->r = (int16_t)((msb << 8) | lsb);
+            mag->r = (mag->r / 0x04);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the burst data length (1,2,6,8 byte) of auxiliary
+ *  Mag sensor.
+ */
+uint16_t bma4_set_mag_burst(uint8_t mag_burst, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Write auxiliary burst mode length*/
+        rslt |= bma4_read_regs(BMA4_AUX_IF_CONF_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            data = BMA4_SET_BITS_POS_0(data, BMA4_MAG_BURST, mag_burst);
+            rslt |= bma4_write_regs(BMA4_AUX_IF_CONF_ADDR, &data, 1, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the burst data length of Mag set in the sensor.
+ */
+uint16_t bma4_get_mag_burst(uint8_t *mag_burst, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Write Mag burst mode length*/
+        rslt |= bma4_read_regs(BMA4_AUX_IF_CONF_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *mag_burst = BMA4_GET_BITS_POS_0(data, BMA4_MAG_BURST);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the FIFO data of Accel and/or Mag sensor
+ */
+uint16_t bma4_read_fifo_data(struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+    uint8_t addr = BMA4_FIFO_DATA_ADDR;
+    /* check the bma4 structure as NULL*/
+    if (dev == NULL || dev->fifo == NULL || dev->fifo->data == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        reset_fifo_data_structure(dev);
+        /* read FIFO data*/
+        if (dev->interface == BMA4_SPI_INTERFACE)
+            addr = addr | BMA4_SPI_RD_MASK;
+
+        rslt |= dev->bus_read(dev->dev_addr, addr, dev->fifo->data, dev->fifo->length);
+        /* read fifo frame content configuration*/
+        rslt |= bma4_read_regs(BMA4_FIFO_CONFIG_1_ADDR, &data, 1, dev);
+        /* filter fifo header enabled status */
+        dev->fifo->fifo_header_enable = data & BMA4_FIFO_HEADER;
+        /* filter accel/mag data enabled status */
+        dev->fifo->fifo_data_enable = data & BMA4_FIFO_M_A_ENABLE;
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API parses and extracts the accelerometer frames from
+ *  FIFO data read by the "bma4_read_fifo_data" API and stores it in the
+ *  "accel_data" structure instance.
+ */
+uint16_t bma4_extract_accel(struct bma4_accel *accel_data, uint16_t *accel_length, const struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint16_t data_index = 0;
+    uint16_t accel_index = 0;
+    uint16_t data_read_length = 0;
+
+    if (dev == NULL || dev->fifo == NULL || dev->fifo->data == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Parsing the FIFO data in header-less mode */
+        if (dev->fifo->fifo_header_enable == 0) {
+            get_accel_len_to_parse(&data_index, &data_read_length, accel_length, dev);
+
+            for (; data_index < data_read_length;) {
+                unpack_acc_frm(accel_data, &data_index, &accel_index, dev->fifo->fifo_data_enable, dev);
+                /*Check for the availability of next
+                two bytes of FIFO data */
+                check_empty_fifo(&data_index, dev);
+            }
+            /* update number of accel data read*/
+            *accel_length = accel_index;
+            /*update the accel byte index*/
+            dev->fifo->accel_byte_start_idx = data_index;
+        } else {
+            /* Parsing the FIFO data in header mode */
+            extract_accel_header_mode(accel_data, accel_length, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API parses and extracts the magnetometer frames from
+ *  FIFO data read by the "bma4_read_fifo_data" API and stores it in the
+ *  "mag_data" structure instance parameter of this API
+ */
+uint16_t bma4_extract_mag(struct bma4_mag *mag_data, uint16_t *mag_length, const struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint16_t data_index = 0;
+    uint16_t mag_index = 0;
+    uint16_t data_read_length = 0;
+
+    if (dev == NULL || dev->fifo == NULL || dev->fifo->data == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Parsing the FIFO data in header-less mode */
+        if (dev->fifo->fifo_header_enable == 0) {
+            get_mag_len_to_parse(&data_index, &data_read_length, mag_length, dev);
+            for (; data_index < data_read_length;) {
+                rslt |= unpack_mag_frm(mag_data, &data_index, &mag_index,
+                                       dev->fifo->fifo_data_enable, dev);
+                /*Check for the availability of next
+                two bytes of FIFO data */
+                check_empty_fifo(&data_index, dev);
+            }
+            /* update number of Aux. sensor data read*/
+            *mag_length = mag_index;
+            /*update the Aux. sensor frame index*/
+            dev->fifo->mag_byte_start_idx = data_index;
+        } else {
+            /* Parsing the FIFO data in header mode */
+            rslt |= extract_mag_header_mode(mag_data, mag_length, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the FIFO water mark level which is set
+ *  in the sensor.
+ */
+uint16_t bma4_get_fifo_wm(uint16_t *fifo_wm, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data[2] = {0, 0};
+
+    /* Check the bma4  structure as NULL*/
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Read the FIFO water mark level*/
+        rslt |= bma4_read_regs(BMA4_FIFO_WTM_0_ADDR, data, BMA4_FIFO_WM_LENGTH, dev);
+
+        if (BMA4_OK == rslt)
+            *fifo_wm = (data[1] << 8) | (data[0]);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the FIFO watermark level in the sensor.
+ */
+uint16_t bma4_set_fifo_wm(uint16_t fifo_wm, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data[2] = {0, 0};
+
+    /* Check the bma4  structure as NULL*/
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+
+        data[0] = BMA4_GET_LSB(fifo_wm);
+        data[1] = BMA4_GET_MSB(fifo_wm);
+        /* consecutive write is not possible in suspend mode hence
+             separate write is used with delay of 1 ms*/
+        /* Write the fifo watermark level*/
+        rslt |= bma4_write_regs(BMA4_FIFO_WTM_0_ADDR, &data[0], 1, dev);
+        dev->delay(BMA4_GEN_READ_WRITE_DELAY);
+        rslt |= bma4_write_regs((BMA4_FIFO_WTM_0_ADDR + 1), &data[1], 1, dev);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API checks whether the Accel FIFO data is set for filtered
+ *  or unfiltered mode.
+ */
+uint16_t bma4_get_accel_fifo_filter_data(uint8_t *accel_fifo_filter, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Read the Accel FIFO filter data */
+        rslt |= bma4_read_regs(BMA4_FIFO_DOWN_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *accel_fifo_filter = BMA4_GET_BITSLICE(data, BMA4_FIFO_FILTER_ACCEL);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the condition of Accel FIFO data either to
+ *  filtered or unfiltered mode.
+ */
+uint16_t bma4_set_accel_fifo_filter_data(uint8_t accel_fifo_filter, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        if (accel_fifo_filter <= BMA4_MAX_VALUE_FIFO_FILTER) {
+            rslt |= bma4_read_regs(BMA4_FIFO_DOWN_ADDR, &data, 1, dev);
+
+            if (rslt == BMA4_OK) {
+                /* Write Accel FIFO filter data */
+                data = BMA4_SET_BITSLICE(data, BMA4_FIFO_FILTER_ACCEL, accel_fifo_filter);
+                rslt |= bma4_write_regs(BMA4_FIFO_DOWN_ADDR, &data, 1, dev);
+            }
+        } else {
+            rslt |= BMA4_E_OUT_OF_RANGE;
+        }
+    }
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the down sampling rates which is configured
+ *  for Accel FIFO data.
+ */
+uint16_t bma4_get_fifo_down_accel(uint8_t *fifo_down, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Read the Accel FIFO down data */
+        rslt |= bma4_read_regs(BMA4_FIFO_DOWN_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *fifo_down = BMA4_GET_BITSLICE(data, BMA4_FIFO_DOWN_ACCEL);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the down-sampling rates for Accel FIFO.
+ */
+uint16_t bma4_set_fifo_down_accel(uint8_t fifo_down, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Write the Accel FIFO down data */
+        rslt |= bma4_read_regs(BMA4_FIFO_DOWN_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            data = BMA4_SET_BITSLICE(data, BMA4_FIFO_DOWN_ACCEL, fifo_down);
+            rslt |= bma4_write_regs(BMA4_FIFO_DOWN_ADDR, &data, 1, dev);
+        }
+    }
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the length of FIFO data available in the sensor
+ *  in the units of bytes.
+ */
+uint16_t bma4_get_fifo_length(uint16_t *fifo_length, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t index = 0;
+    uint8_t data[BMA4_FIFO_DATA_LENGTH] = {0, 0};
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Read FIFO length*/
+        rslt |= bma4_read_regs(BMA4_FIFO_LENGTH_0_ADDR, data, BMA4_FIFO_DATA_LENGTH, dev);
+
+        if (rslt == BMA4_OK) {
+            index = BMA4_FIFO_LENGTH_MSB_BYTE;
+            data[index] = BMA4_GET_BITS_POS_0(data[index], BMA4_FIFO_BYTE_COUNTER_MSB);
+            *fifo_length = ((data[index] << 8) | data[index - 1]);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API aligns and compensates the Mag data of BMM150/AKM9916
+ *  sensor.
+ */
+uint16_t bma4_second_if_mag_compensate_xyz(struct bma4_mag_fifo_data mag_fifo_data,
+        uint8_t mag_second_if, struct bma4_mag *compensated_mag_data)
+{
+    uint16_t rslt = 0;
+#ifdef BMM150
+    int16_t mag_x = 0;
+    int16_t mag_y = 0;
+    int16_t mag_z = 0;
+    uint16_t mag_r = 0;
+#endif
+
+    switch (mag_second_if) {
+#ifdef BMM150
+    case BMA4_SEC_IF_BMM150:
+        /* X data*/
+        mag_x = (int16_t)((mag_fifo_data.mag_x_msb << 8) | (mag_fifo_data.mag_x_lsb));
+        mag_x = (int16_t) (mag_x / 0x08);
+
+        /* Y data*/
+        mag_y = (int16_t)((mag_fifo_data.mag_y_msb << 8) | (mag_fifo_data.mag_y_lsb));
+        mag_y = (int16_t) (mag_y / 0x08);
+
+        /* Z data*/
+        mag_z = (int16_t)((mag_fifo_data.mag_z_msb << 8) | (mag_fifo_data.mag_z_lsb));
+        mag_z = (int16_t) (mag_z / 0x02);
+
+        /* R data*/
+        mag_r = (uint16_t)((mag_fifo_data.mag_r_y2_msb << 8) | (mag_fifo_data.mag_r_y2_lsb));
+        mag_r = (uint16_t) (mag_r >> 2);
+
+        /* Compensated Mag x data */
+        compensated_mag_data->x = bma4_bmm150_mag_compensate_X(mag_x, mag_r);
+
+        /* Compensated Mag y data */
+        compensated_mag_data->y = bma4_bmm150_mag_compensate_Y(mag_y, mag_r);
+
+        /* Compensated Mag z data */
+        compensated_mag_data->z = bma4_bmm150_mag_compensate_Z(mag_z, mag_r);
+        break;
+#endif
+
+#ifdef AKM9916
+
+    case BMA4_SEC_IF_AKM09916:
+        /* Compensated X data */
+        compensated_mag_data->x = (int16_t)((mag_fifo_data.mag_x_msb << 8) | (mag_fifo_data.mag_x_lsb));
+        /* Compensated Y data*/
+        compensated_mag_data->y = (int16_t)((mag_fifo_data.mag_y_msb << 8) | (mag_fifo_data.mag_y_lsb));
+        /* Compensated Z data*/
+        compensated_mag_data->z = (int16_t)((mag_fifo_data.mag_z_msb << 8) | (mag_fifo_data.mag_z_lsb));
+        break;
+
+#endif
+    default:
+        rslt |= BMA4_E_OUT_OF_RANGE;
+        break;
+    }
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads Mag. x,y and z axis data from either BMM150 or
+ *  AKM9916 sensor
+ */
+uint16_t bma4_read_mag_xyz(struct bma4_mag *mag, uint8_t sensor_select, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+
+#if defined(AKM9916) || defined(BMM150)
+    uint8_t index;
+    uint16_t msb = 0;
+    uint16_t lsb = 0;
+    uint8_t data[BMA4_MAG_XYZ_DATA_LENGTH] = {0};
+#endif
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        switch (sensor_select) {
+
+#if defined(BMM150)
+
+        case BMA4_SEC_IF_BMM150:
+            rslt |= bma4_read_regs(BMA4_DATA_0_ADDR, data, BMA4_MAG_XYZ_DATA_LENGTH, dev);
+
+            if (rslt == BMA4_OK) {
+                index = BMA4_MAG_X_LSB_BYTE;
+                /*X-axis LSB value shifting*/
+                data[index] = BMA4_GET_BITSLICE(data[index], BMA4_DATA_MAG_X_LSB);
+                /* Data X */
+                msb = data[index + 1];
+                lsb = data[index];
+                mag->x = (int16_t)((msb << 8) | lsb);
+                mag->x = (mag->x / 0x08);
+
+                /* Data Y */
+                /*Y-axis LSB value shifting*/
+                data[index + 2] = BMA4_GET_BITSLICE(data[index + 2], BMA4_DATA_MAG_Y_LSB);
+                msb = data[index + 3];
+                lsb = data[index + 2];
+                mag->y = (int16_t)((msb << 8) | lsb);
+                mag->y = (mag->y / 0x08);
+
+                /* Data Z */
+                /*Z-axis LSB value shifting*/
+                data[index + 4] = BMA4_GET_BITSLICE(data[index + 4], BMA4_DATA_MAG_Z_LSB);
+                msb = data[index + 5];
+                lsb = data[index + 4];
+                mag->z = (int16_t)((msb << 8) | lsb);
+                mag->z = (mag->z / 0x02);
+            }
+            break;
+#endif
+
+#if defined(AKM9916)
+        case BMA4_SEC_IF_AKM09916:
+
+            if (AKM9916_SENSOR == dev->aux_sensor) {
+                rslt |= bma4_read_regs(BMA4_DATA_0_ADDR, data, BMA4_MAG_XYZ_DATA_LENGTH, dev);
+
+                if (rslt == BMA4_OK) {
+                    index = BMA4_MAG_X_LSB_BYTE;
+                    /* Data X */
+                    msb = data[index + 1];
+                    lsb = data[index];
+                    mag->x = (int16_t)((msb << 8) | lsb);
+
+                    /* Data Y */
+                    msb = data[index + 3];
+                    lsb = data[index + 2];
+                    mag->y  = (int32_t)((msb << 8) | lsb);
+
+                    /* Data Z */
+                    msb = data[index + 5];
+                    lsb = data[index + 4];
+                    mag->z = (int16_t)((msb << 8) | lsb);
+                }
+            }
+            break;
+#endif
+
+        default:
+            rslt |= BMA4_E_OUT_OF_RANGE;
+            break;
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the auxiliary I2C interface configuration which
+ *  is set in the sensor.
+ */
+uint16_t bma4_get_if_mode(uint8_t *if_mode, struct bma4_dev *dev)
+{
+    uint16_t rslt  = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Read auxiliary interface configuration */
+        rslt |= bma4_read_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *if_mode = BMA4_GET_BITSLICE(data, BMA4_IF_CONFIG_IF_MODE);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the auxiliary interface configuration in the
+ *  sensor.
+ */
+uint16_t bma4_set_if_mode(uint8_t if_mode, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        if (if_mode <= BMA4_MAX_IF_MODE) {
+            /* Write the interface configuration mode */
+            rslt |= bma4_read_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
+            if (rslt == BMA4_OK) {
+                data = BMA4_SET_BITSLICE(data, BMA4_IF_CONFIG_IF_MODE, if_mode);
+                rslt |= bma4_write_regs(BMA4_IF_CONFIG_ADDR, &data, 1, dev);
+            }
+        } else {
+            rslt |= BMA4_E_OUT_OF_RANGE;
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the data ready status of Accel from the sensor.
+ */
+uint16_t bma4_get_accel_data_rdy(uint8_t *data_rdy, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /*Reads the status of Accel data ready*/
+        rslt |= bma4_read_regs(BMA4_STATUS_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *data_rdy = BMA4_GET_BITSLICE(data, BMA4_STAT_DATA_RDY_ACCEL);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the data ready status of Mag from the sensor.
+ *  The status get reset when Mag data register is read.
+ */
+uint16_t bma4_get_mag_data_rdy(uint8_t *data_rdy, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /*Reads the status of Accel data ready*/
+        rslt |= bma4_read_regs(BMA4_STATUS_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK)
+            *data_rdy = BMA4_GET_BITSLICE(data, BMA4_STAT_DATA_RDY_MAG);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the ASIC status from the sensor.
+ *  The status information is mentioned in the below table.
+ */
+uint16_t bma4_get_asic_status(struct bma4_asic_status *asic_status, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Read the Mag I2C device address*/
+        rslt |= bma4_read_regs(BMA4_INTERNAL_ERROR, &data, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            asic_status->sleep = (data & 0x01);
+            asic_status->irq_ovrn = ((data & 0x02) >> 0x01);
+            asic_status->wc_event = ((data & 0x04) >> 0x02);
+            asic_status->stream_transfer_active = ((data & 0x08) >> 0x03);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API enables the offset compensation for filtered and
+ *  unfiltered  Accel data.
+ */
+uint16_t bma4_set_offset_comp(uint8_t offset_en, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_NV_CONFIG_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            /* Write Accel FIFO filter data */
+            data = BMA4_SET_BITSLICE(data, BMA4_NV_ACCEL_OFFSET, offset_en);
+            rslt |= bma4_write_regs(BMA4_NV_CONFIG_ADDR, &data, 1, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API gets the status of Accel offset compensation
+ */
+uint16_t bma4_get_offset_comp(uint8_t *offset_en, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_NV_CONFIG_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            /* Write Accel FIFO filter data */
+            *offset_en = BMA4_GET_BITSLICE(data, BMA4_NV_ACCEL_OFFSET);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API performs Fast Offset Compensation for Accel.
+ *
+ *  @note The g-values to be passed to the parameter should be
+ *  multiples of 1000000.
+ */
+uint16_t bma4_perform_accel_foc(const int32_t accel_g_value[3], struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    struct bma4_accel accel_value[10] = { {0} };
+    struct accel_offset offset = {0};
+    struct offset_delta delta = { {0} };
+    struct bma4_accel_config acc_conf = {0};
+    uint8_t accel_en = 0;
+    uint8_t adv_pwr_save = 0;
+    uint8_t range = 0;
+    uint16_t lsb_per_g = 0;
+    struct accel_temp temp = {0};
+    struct bma4_accel avg = {0};
+    struct bma4_accel accel_data = {0};
+    uint8_t i = 0;
+
+    /* used to validate user input */
+    rslt |= validate_user_input(accel_g_value);
+
+    if (BMA4_OK ==  rslt) {
+        /* Configure accel config, accel enable and
+        advance power save for FOC */
+        rslt |= foc_config(&acc_conf, &accel_en, &adv_pwr_save, dev);
+
+        /*TO DO: Check for data ready status before
+        reading accel values*/
+
+        if (BMA4_OK == rslt) {
+            /* Giving a delay of 20ms before reading accel data
+            since odr is configured as 50Hz */
+            for (i = 0; i < 10; i++) {
+                dev->delay(20);
+                rslt |= bma4_read_accel_xyz(&accel_value[i], dev);
+                temp.x = temp.x + (int32_t)accel_value[i].x;
+                temp.y = temp.y + (int32_t)accel_value[i].y;
+                temp.z = temp.z + (int32_t)accel_value[i].z;
+            }
+
+            /* Take average of x, y and z data for lesser noise */
+            avg.x = (int16_t)(temp.x / 10);
+            avg.y = (int16_t)(temp.y / 10);
+            avg.z = (int16_t)(temp.z / 10);
+
+            /* Copy average value in another structure */
+            accel_data = avg;
+
+            if (BMA4_OK == rslt) {
+                /* Get the exact range value */
+                map_range(acc_conf.range, &range);
+                /* Get LSB per bit given the range and resolution */
+                lsb_per_g = (uint16_t)(power(2, dev->resolution) / (2 * range));
+                /* Compensate accel data against gravity */
+                comp_for_grvty(lsb_per_g, accel_g_value, &accel_data, &delta);
+                /* scale according to offset register resolution*/
+                scale_offset(dev->resolution, range, &delta, &offset);
+                /* normalise the data with offset*/
+                normalise_offset(&delta, &offset);
+
+                /* offset values are written in the offset register */
+                rslt |= bma4_write_regs(BMA4_OFFSET_0_ADDR, (uint8_t *)&offset.x, 1, dev);
+                rslt |= bma4_write_regs(BMA4_OFFSET_1_ADDR, (uint8_t *)&offset.y, 1, dev);
+                rslt |= bma4_write_regs(BMA4_OFFSET_2_ADDR, (uint8_t *)&offset.z, 1, dev);
+
+                /* Enable offset compensation */
+                rslt |= bma4_set_offset_comp(BMA4_ENABLE, dev);
+
+                /* Set accel config, accel enable and advance power save */
+                rslt |= bma4_set_accel_config(&acc_conf, dev);
+                rslt |= bma4_set_accel_enable(accel_en, dev);
+                rslt |= bma4_set_advance_power_save(adv_pwr_save, dev);
+            } else {
+                rslt |= BMA4_E_FOC_FAIL;
+            }
+        }
+    }
+    return rslt;
+}
+
+/*!
+ *  @brief This API checks whether the self test functionality of the sensor
+ *  is working or not.
+ *  The following parameter of struct bma4_dev, should have the valid value before
+ *  performing the Self test,
+ *  1.  Variant and 2. Resolution
+ */
+uint16_t bma4_perform_accel_selftest(uint8_t *result, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    struct bma4_accel positive = {0};
+    struct bma4_accel negative = {0};
+    /*! Structure for difference of accel values in g*/
+    struct selftest_delta_limit accel_data_diff = {0};
+    /*! Structure for difference of accel values in mg*/
+    struct selftest_delta_limit accel_data_diff_mg = {0};
+
+    *result = BMA4_SELFTEST_FAIL;
+
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+
+        rslt = set_accel_selftest_config(dev);
+        dev->delay(20);
+        rslt |= bma4_selftest_config(BMA4_ENABLE, dev);
+
+        if (rslt == BMA4_OK) {
+            dev->delay(100);
+            rslt = bma4_read_accel_xyz(&positive, dev);
+            rslt |= bma4_selftest_config(BMA4_DISABLE, dev);
+
+            if (rslt == BMA4_OK) {
+                dev->delay(100);
+                rslt = bma4_read_accel_xyz(&negative, dev);
+
+                accel_data_diff.x = ABS(positive.x) + ABS(negative.x);
+                accel_data_diff.y = ABS(positive.y) + ABS(negative.y);
+                accel_data_diff.z = ABS(positive.z) + ABS(negative.z);
+
+                /*! Converting LSB of the differences of accel values to mg*/
+                convert_lsb_g(&accel_data_diff, &accel_data_diff_mg, dev);
+                /*! Validating self test for accel values in mg*/
+                rslt |= validate_selftest(&accel_data_diff_mg, dev);
+
+                if (rslt == BMA4_OK)
+                    *result = BMA4_SELFTEST_PASS;
+
+                /* Triggers a soft reset */
+                rslt |= bma4_set_command_register(0xB6, dev);
+                dev->delay(200);
+            }
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API performs the steps needed for Self test operation
+ *  before reading the Accel Self test data.
+ */
+uint16_t bma4_selftest_config(uint8_t sign, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+
+    rslt |= set_accel_selftest_enable(BMA4_ENABLE, dev);
+    rslt |= set_accel_selftest_sign(sign, dev);
+
+    /* Set self test amplitude based on variant */
+    switch (dev->variant) {
+    case BMA42X_VARIANT:
+        /* Set self test amplitude to high for BMA42x */
+        rslt |= set_accel_selftest_amp(BMA4_ENABLE, dev);
+        break;
+
+    case BMA45X_VARIANT:
+        /* Set self test amplitude to low for BMA45x */
+        rslt |= set_accel_selftest_amp(BMA4_DISABLE, dev);
+        break;
+
+    default:
+        rslt = BMA4_E_INVALID_SENSOR;
+        break;
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief API sets the interrupt to either interrupt1 or
+ *  interrupt2 pin in the sensor.
+ */
+uint16_t bma4_map_interrupt(uint8_t int_line, uint16_t int_map, uint8_t enable, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data[3] = {0, 0, 0};
+    uint8_t index[2] = {BMA4_INT_MAP_1_ADDR, BMA4_INT_MAP_2_ADDR};
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+
+        rslt |= bma4_read_regs(BMA4_INT_MAP_1_ADDR, data, 3, dev);
+
+        if (enable == TRUE) {
+            /* Feature interrupt mapping */
+            data[int_line] |= (uint8_t)(int_map & (0x00FF));
+            /* Hardware interrupt mapping */
+            if (int_line == BMA4_INTR2_MAP)
+                data[2] |= (uint8_t)((int_map & (0xFF00)) >> 4);
+            else
+                data[2] |= (uint8_t)((int_map & (0xFF00)) >> 8);
+
+            rslt |= bma4_write_regs(index[int_line], &data[int_line], 1, dev);
+            rslt |= bma4_write_regs(BMA4_INT_MAP_DATA_ADDR, &data[2], 1, dev);
+
+        } else {
+            /* Feature interrupt un-mapping */
+            data[int_line] &= (~(uint8_t)(int_map & (0x00FF)));
+            /* Hardware interrupt un-mapping */
+            if (int_line == BMA4_INTR2_MAP)
+                data[2] &= (~(uint8_t)((int_map & (0xFF00)) >> 4));
+            else
+                data[2] &= (~(uint8_t)((int_map & (0xFF00)) >> 8));
+
+            rslt |= bma4_write_regs(index[int_line], &data[int_line], 1, dev);
+            rslt |= bma4_write_regs(BMA4_INT_MAP_DATA_ADDR, &data[2], 1, dev);
+
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the interrupt mode in the sensor.
+ */
+uint16_t bma4_set_interrupt_mode(uint8_t mode, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+
+        if (mode == BMA4_NON_LATCH_MODE || mode == BMA4_LATCH_MODE)
+            rslt |= bma4_write_regs(BMA4_INTR_LATCH_ADDR, &mode, 1, dev);
+        else
+            rslt |= BMA4_E_OUT_OF_RANGE;
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API gets the interrupt mode which is set in the sensor.
+ */
+uint16_t bma4_get_interrupt_mode(uint8_t *mode, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_INTR_LATCH_ADDR, &data, 1, dev);
+        *mode = data;
+    }
+
+    return rslt;
+
+}
+
+/*!
+ *  @brief This API sets the auxiliary Mag(BMM150 or AKM9916) output data
+ *  rate and offset.
+ */
+uint16_t bma4_set_aux_mag_config(const struct bma4_aux_mag_config *aux_mag, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        if ((aux_mag->odr >= BMA4_OUTPUT_DATA_RATE_0_78HZ) &&
+                (aux_mag->odr <= BMA4_OUTPUT_DATA_RATE_1600HZ)
+                && ((aux_mag->offset & BMA4_MAG_CONFIG_OFFSET_MSK) == 0x00)) {
+            data = (uint8_t)(aux_mag->odr |
+                             ((aux_mag->offset <<
+                               BMA4_MAG_CONFIG_OFFSET_POS)));
+            rslt |= bma4_write_regs(BMA4_AUX_CONFIG_ADDR, &data, 1, dev);
+        } else {
+            rslt |= BMA4_E_OUT_OF_RANGE;
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the auxiliary Mag(BMM150 or AKM9916) output data
+ *  rate and offset.
+ */
+uint16_t bma4_get_aux_mag_config(struct bma4_aux_mag_config *aux_mag, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_AUX_CONFIG_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            aux_mag->odr = (data & 0x0F);
+            aux_mag->offset = (data & BMA4_MAG_CONFIG_OFFSET_MSK) >> 4;
+        }
+    }
+
+    return rslt;
+}
+
+/*! @brief This API sets the FIFO configuration in the sensor.
+ */
+uint16_t bma4_set_fifo_config(uint8_t config, uint8_t enable, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data[2] = {0, 0};
+    uint8_t fifo_config_0 = config & BMA4_FIFO_CONFIG_0_MASK;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_FIFO_CONFIG_0_ADDR, data, BMA4_FIFO_CONFIG_LENGTH, dev);
+
+        if (rslt == BMA4_OK) {
+
+            if (fifo_config_0 > 0) {
+
+                if (enable == TRUE)
+                    data[0] = data[0] | fifo_config_0;
+                else
+                    data[0] = data[0] & (~fifo_config_0);
+            }
+
+            if (enable == TRUE)
+                data[1] = data[1] | (config & BMA4_FIFO_CONFIG_1_MASK);
+            else
+                data[1] = data[1] & (~(config & BMA4_FIFO_CONFIG_1_MASK));
+
+            /* Burst write is not possible in suspend mode hence
+            separate write is used with delay of 1 ms*/
+            rslt |= bma4_write_regs(BMA4_FIFO_CONFIG_0_ADDR, &data[0], 1, dev);
+            dev->delay(BMA4_GEN_READ_WRITE_DELAY);
+            rslt |= bma4_write_regs((BMA4_FIFO_CONFIG_0_ADDR + 1), &data[1], 1, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*! @brief This API reads the FIFO configuration from the sensor.
+ */
+uint16_t bma4_get_fifo_config(uint8_t *fifo_config, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data[2] = {0, 0};
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_FIFO_CONFIG_0_ADDR, data, BMA4_FIFO_CONFIG_LENGTH, dev);
+
+        if (rslt == BMA4_OK)
+            *fifo_config = ((uint8_t)((data[0] & BMA4_FIFO_CONFIG_0_MASK) | (data[1])));
+
+    }
+
+    return rslt;
+}
+
+/*! @brief This function sets the electrical behaviour of interrupt pin1 or
+ *  pin2 in the sensor.
+ */
+uint16_t bma4_set_int_pin_config(const struct bma4_int_pin_config *int_pin_config, uint8_t int_line,
+                                 struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t interrupt_address_array[2] = {BMA4_INT1_IO_CTRL_ADDR, BMA4_INT2_IO_CTRL_ADDR};
+    uint8_t data = 0;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        if (int_line <= 1) {
+            data = ((uint8_t)((int_pin_config->edge_ctrl & BMA4_INT_EDGE_CTRL_MASK) |
+                              ((int_pin_config->lvl << 1) & BMA4_INT_LEVEL_MASK) |
+                              ((int_pin_config->od << 2) & BMA4_INT_OPEN_DRAIN_MASK) |
+                              ((int_pin_config->output_en << 3) & BMA4_INT_OUTPUT_EN_MASK) |
+                              ((int_pin_config->input_en << 4) & BMA4_INT_INPUT_EN_MASK)));
+
+            rslt |= bma4_write_regs(interrupt_address_array[int_line],  &data, 1, dev);
+        } else {
+            rslt |= BMA4_E_INT_LINE_INVALID;
+        }
+    }
+
+    return rslt;
+}
+
+/*! @brief This API reads the electrical behavior of interrupt pin1 or pin2
+ *  from the sensor.
+ */
+uint16_t bma4_get_int_pin_config(struct bma4_int_pin_config *int_pin_config, uint8_t int_line, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t interrupt_address_array[2] = {BMA4_INT1_IO_CTRL_ADDR, BMA4_INT2_IO_CTRL_ADDR};
+    uint8_t data = 0;
+
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        if (int_line <= 1) {
+            rslt |= bma4_read_regs(interrupt_address_array[int_line], &data, 1, dev);
+            /* Assign interrupt configurations to the
+            structure members*/
+            if (rslt == BMA4_OK) {
+                int_pin_config->edge_ctrl = data & BMA4_INT_EDGE_CTRL_MASK;
+                int_pin_config->lvl = ((data & BMA4_INT_LEVEL_MASK) >> BMA4_INT_LEVEL_POS);
+                int_pin_config->od = ((data & BMA4_INT_OPEN_DRAIN_MASK) >> BMA4_INT_OPEN_DRAIN_POS);
+                int_pin_config->output_en = ((data & BMA4_INT_OUTPUT_EN_MASK)
+                                             >> BMA4_INT_OUTPUT_EN_POS);
+                int_pin_config->input_en = ((data & BMA4_INT_INPUT_EN_MASK) >> BMA4_INT_INPUT_EN_POS);
+            }
+        } else {
+            rslt |= BMA4_E_INT_LINE_INVALID;
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the Feature and Hardware interrupt status from the sensor.
+ */
+uint16_t bma4_read_int_status(uint16_t *int_status, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data[2] = {0};
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        rslt |= bma4_read_regs(BMA4_INT_STAT_0_ADDR, data, 2, dev);
+
+        if (rslt == BMA4_OK) {
+            *int_status = data[0];
+            *((uint8_t *)int_status + 1) = data[1];
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the Feature interrupt status from the sensor.
+ */
+uint16_t bma4_read_int_status_0(uint8_t *int_status_0, struct bma4_dev *dev)
+{
+    uint16_t rslt = BMA4_OK;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        /* Null pointer check */
+        rslt = BMA4_E_NULL_PTR;
+    } else {
+        rslt = bma4_read_regs(BMA4_INT_STAT_0_ADDR, int_status_0, 1, dev);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API reads the Hardware interrupt status from the sensor.
+ */
+uint16_t bma4_read_int_status_1(uint8_t *int_status_1, struct bma4_dev *dev)
+{
+    uint16_t rslt = BMA4_OK;
+
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        /* Null pointer check */
+        rslt = BMA4_E_NULL_PTR;
+    } else {
+        rslt = bma4_read_regs(BMA4_INT_STAT_1_ADDR, int_status_1, 1, dev);
+    }
+
+    return rslt;
+}
+
+/*!
+ * @brief This API initializes the auxiliary interface to access
+ * auxiliary sensor
+ */
+uint16_t bma4_aux_interface_init(struct bma4_dev *dev)
+{
+    /* Variable to return error codes */
+    uint16_t rslt = BMA4_OK;
+
+    /* Check for Null pointer error */
+    rslt |= bma4_null_pointer_check(dev);
+    if (rslt == BMA4_OK) {
+        /* Set the auxiliary sensor configuration */
+        rslt = bma4_set_aux_interface_config(dev);
+        if (rslt != BMA4_OK)
+            rslt = BMA4_E_AUX_CONFIG_FAIL;
+    }
+
+    return rslt;
+}
+
+/*!
+ * @brief This API reads the data from the auxiliary sensor
+*/
+uint16_t bma4_aux_read(uint8_t aux_reg_addr, uint8_t *aux_data, uint16_t len, struct bma4_dev *dev)
+{
+    /* Variable to return error codes */
+    uint16_t rslt = BMA4_OK;
+
+    /* Check for Null pointer error */
+    rslt |= bma4_null_pointer_check(dev);
+    if (rslt == BMA4_OK) {
+        /* Read the data from the data register in terms of
+        user defined length  */
+        rslt = bma4_extract_aux_data(aux_reg_addr, aux_data, len, dev);
+    }
+
+    return rslt;
+}
+
+/*!
+ * @brief This API writes the data into the auxiliary sensor
+*/
+uint16_t bma4_aux_write(uint8_t aux_reg_addr, uint8_t *aux_data, uint16_t len, struct bma4_dev *dev)
+{
+
+    uint16_t rslt = BMA4_OK;
+
+    /* Check for Null pointer error */
+    rslt |= bma4_null_pointer_check(dev);
+    if (rslt == BMA4_OK) {
+        /* Write data in terms of user defined length  */
+        if (len > 0) {
+            while (len--) {
+                /* First set data to write */
+                rslt = bma4_write_regs(BMA4_AUX_WR_DATA_ADDR, aux_data, 1, dev);
+                dev->delay(BMA4_AUX_COM_DELAY);
+                if (rslt == BMA4_OK) {
+                    /* Then set address to write */
+                    rslt = bma4_write_regs(BMA4_AUX_WR_ADDR, &aux_reg_addr, 1, dev);
+                    dev->delay(BMA4_AUX_COM_DELAY);
+
+                    /* Increment data array and register address until
+                     *  user-defined length is greater than 0 */
+                    if ((rslt == BMA4_OK) && (len > 0)) {
+                        aux_data++;
+                        aux_reg_addr++;
+                    }
+                } else {
+                    rslt = BMA4_E_FAIL;
+                }
+            }
+        } else {
+            rslt = BMA4_E_RD_WR_LENGTH_INVALID;
+        }
+    }
+
+    return rslt;
+}
+
+/*****************************************************************************/
+/* Static function definition */
+/*!
+ *  @brief This API converts lsb value of axes to mg for self-test *
+ */
+static void convert_lsb_g(const struct selftest_delta_limit *accel_data_diff,
+                          struct selftest_delta_limit *accel_data_diff_mg,
+                          const struct bma4_dev *dev)
+{
+    uint32_t lsb_per_g;
+    /*! Range considered for self-test is 8g */
+    uint8_t range = 8;
+
+    /*! lsb_per_g for the respective resolution and 8g range*/
+    lsb_per_g = (uint32_t)(power(2, dev->resolution) / (2 * range));
+    /*! accel x value in mg */
+    accel_data_diff_mg->x = (accel_data_diff->x / (int32_t)lsb_per_g) * 1000;
+    /*! accel y value in mg */
+    accel_data_diff_mg->y = (accel_data_diff->y / (int32_t)lsb_per_g) * 1000;
+    /*! accel z value in mg */
+    accel_data_diff_mg->z = (accel_data_diff->z / (int32_t)lsb_per_g) * 1000;
+}
+
+/*!
+ *  @brief This API writes the config stream data in memory using burst mode
+ *  @note index value should be even number.
+ */
+static uint16_t  stream_transfer_write(const uint8_t *stream_data, uint16_t index, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t asic_msb = (uint8_t)((index / 2) >> 4);
+    uint8_t asic_lsb = ((index / 2) & 0x0F);
+
+    rslt |= bma4_write_regs(BMA4_RESERVED_REG_5B_ADDR, &asic_lsb, 1, dev);
+
+    if (rslt == BMA4_OK) {
+        rslt |= bma4_write_regs(BMA4_RESERVED_REG_5C_ADDR, &asic_msb, 1, dev);
+
+        if (rslt == BMA4_OK)
+            rslt |= write_regs(BMA4_FEATURE_CONFIG_ADDR, (uint8_t *)stream_data, dev->read_write_len, dev);
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API enables or disables the Accel Self test feature in the
+ *  sensor.
+ */
+static uint16_t set_accel_selftest_enable(uint8_t accel_selftest_enable, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+        /* Read the self test register */
+        rslt |= bma4_read_regs(BMA4_ACC_SELF_TEST_ADDR, &data, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            data = BMA4_SET_BITS_POS_0(data, BMA4_ACCEL_SELFTEST_ENABLE, accel_selftest_enable);
+            rslt |= bma4_write_regs(BMA4_ACC_SELF_TEST_ADDR, &data, 1, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API selects the sign of Accel self-test excitation.
+ */
+static uint16_t set_accel_selftest_sign(uint8_t accel_selftest_sign, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+
+        if (accel_selftest_sign <= BMA4_MAX_VALUE_SELFTEST_SIGN) {
+            /* Read the Accel self test sign*/
+            rslt |= bma4_read_regs(BMA4_ACC_SELF_TEST_ADDR, &data, 1, dev);
+
+            if (rslt == BMA4_OK) {
+                data = BMA4_SET_BITSLICE(data, BMA4_ACCEL_SELFTEST_SIGN, accel_selftest_sign);
+                rslt |= bma4_write_regs(BMA4_ACC_SELF_TEST_ADDR, &data, 1, dev);
+            }
+        } else {
+            rslt = BMA4_E_OUT_OF_RANGE;
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API sets the Accel self test amplitude in the sensor.
+ */
+static uint16_t set_accel_selftest_amp(uint8_t accel_selftest_amp, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t data = 0;
+    /* Check the bma4 structure as NULL */
+    if (dev == NULL) {
+        rslt |= BMA4_E_NULL_PTR;
+    } else {
+
+        if (accel_selftest_amp <= BMA4_MAX_VALUE_SELFTEST_AMP) {
+            /* Write  self test amplitude*/
+            rslt |= bma4_read_regs(BMA4_ACC_SELF_TEST_ADDR, &data, 1, dev);
+
+            if (rslt == BMA4_OK) {
+                data = BMA4_SET_BITSLICE(data, BMA4_SELFTEST_AMP, accel_selftest_amp);
+
+                rslt |= bma4_write_regs(BMA4_ACC_SELF_TEST_ADDR, &data, 1, dev);
+            }
+        } else {
+            rslt |= BMA4_E_OUT_OF_RANGE;
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This function enables and configures the Accel which is needed
+ *  for Self test operation.
+ */
+static uint16_t set_accel_selftest_config(struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    struct bma4_accel_config accel = {0};
+
+    accel.odr = BMA4_OUTPUT_DATA_RATE_1600HZ;
+    accel.bandwidth = BMA4_ACCEL_NORMAL_AVG4;
+    accel.perf_mode = BMA4_ENABLE;
+    accel.range = BMA4_ACCEL_RANGE_8G;
+
+    rslt |= bma4_set_accel_enable(BMA4_ENABLE, dev);
+    dev->delay(1);
+    rslt |= bma4_set_accel_config(&accel, dev);
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API validates the Accel g value provided as input by the
+ *  user for Accel offset compensation.
+ *
+ *  @note The g-values to be passed to the parameter should be
+ *  multiples of 1000000.
+ */
+static uint16_t validate_user_input(const int32_t *gvalue)
+
+{
+    uint8_t index = 0;
+    int32_t min_gval = (int32_t)(-1.0 * BMA4XY_MULTIPLIER);
+    int32_t max_gval = (int32_t)(1.0 * BMA4XY_MULTIPLIER);
+
+    while (index < 3) {
+        if (gvalue[index] >= min_gval && gvalue[index] <= max_gval)
+            index++;
+        else
+            return BMA4_E_OUT_OF_RANGE;
+    }
+
+    return BMA4_OK;
+}
+
+/*!
+ *  @brief This API normalise the data with offset
+ */
+static void normalise_offset(const struct offset_delta *compensated_data, struct accel_offset *offset_data)
+{
+    /* for handling negative offset */
+    /* employing twos's Complement method*/
+    if (compensated_data->x.is_negative == TRUE) {
+        offset_data->x = ~offset_data->x;
+        offset_data->x += 1;
+    }
+
+    if (compensated_data->y.is_negative == TRUE) {
+        offset_data->y = ~offset_data->y;
+        offset_data->y += 1;
+    }
+
+    if (compensated_data->z.is_negative == TRUE) {
+        offset_data->z = ~offset_data->z;
+        offset_data->z += 1;
+    }
+
+    offset_data->x = (uint8_t)((offset_data->x) * (-1));
+    offset_data->y = (uint8_t)((offset_data->y) * (-1));
+    offset_data->z = (uint8_t)((offset_data->z) * (-1));
+}
+
+/*!
+ *  @brief This API normalize the data with offset.
+ */
+static void scale_offset(uint8_t res, uint8_t range, const struct offset_delta *delta, struct accel_offset *data)
+{
+    int8_t bit_pos_3_9mg, bit_pos_3_9mg_nextbit;
+    uint8_t round_off = 0;
+
+    /* Find the bit position of 3.9mg */
+    bit_pos_3_9mg = get_bit_pos_3_9mg(range, res);
+
+    /* Data register resolution less than or equal to  3.9 mg */
+    if (bit_pos_3_9mg > 0) {
+        /* Round off, consider if the next bit is high */
+        bit_pos_3_9mg_nextbit = bit_pos_3_9mg - 1;
+        round_off = (uint8_t)(1 * power(2, ((uint8_t) bit_pos_3_9mg_nextbit)));
+        /* scale according to offset register resolution*/
+        data->x = (uint8_t)((delta->x.val + round_off) / power(2, ((uint8_t)bit_pos_3_9mg)));
+        data->y = (uint8_t)((delta->y.val + round_off) / power(2, ((uint8_t)bit_pos_3_9mg)));
+        data->z = (uint8_t)((delta->z.val + round_off) / power(2, ((uint8_t)bit_pos_3_9mg)));
+    } else if (bit_pos_3_9mg < 0) {
+        bit_pos_3_9mg = (int8_t)(bit_pos_3_9mg * -1);
+        data->x = (uint8_t)(delta->x.val * power(2, ((uint8_t)bit_pos_3_9mg)));
+        data->y = (uint8_t)(delta->y.val * power(2, ((uint8_t)bit_pos_3_9mg)));
+        data->z = (uint8_t)(delta->z.val * power(2, ((uint8_t)bit_pos_3_9mg)));
+    } else {
+        /* Scale according to offset register resolution */
+        data->x = (uint8_t)(delta->x.val);
+        data->y = (uint8_t)(delta->y.val);
+        data->z = (uint8_t)(delta->z.val);
+    }
+}
+
+/*!
+ *  @brief This API compensate the accel data against gravity.
+ *
+ *  @note The g-values to be passed to the parameter should be
+ *  multiples of 1000000.
+ */
+static void comp_for_grvty(uint16_t lsb_per_g, const int32_t g_val[3], const struct bma4_accel *data,
+                           struct offset_delta *comp_data)
+{
+    int64_t accel_value_lsb[3] = {0};
+    uint8_t index;
+
+    for (index = 0; index < 3; index++) {
+        /* convert g to lsb */
+        accel_value_lsb[index] = ((int64_t)(lsb_per_g) * (int64_t)(g_val[index]));
+    }
+
+    /*  Dividing the accel value in LSB by 1000000 to get
+    compensated data back in g-value */
+    comp_data->x.val = (int16_t)(data->x - (int16_t)((accel_value_lsb[BMA4_X_AXIS] / (int64_t)BMA4XY_MULTIPLIER)));
+    comp_data->y.val = (int16_t)(data->y - (int16_t)((accel_value_lsb[BMA4_Y_AXIS] / (int64_t)BMA4XY_MULTIPLIER)));
+    comp_data->z.val = (int16_t)(data->z - (int16_t)((accel_value_lsb[BMA4_Z_AXIS] / (int64_t)BMA4XY_MULTIPLIER)));
+
+    if (comp_data->x.val < 0) {
+        comp_data->x.val = ABS(comp_data->x.val);
+        comp_data->x.is_negative = 1;
+    }
+
+    if (comp_data->y.val < 0) {
+        comp_data->y.val = ABS(comp_data->y.val);
+        comp_data->y.is_negative = 1;
+    }
+
+    if (comp_data->z.val < 0) {
+        comp_data->z.val = ABS(comp_data->z.val);
+        comp_data->z.is_negative = 1;
+    }
+}
+
+/*!
+ *  @brief This API converts the range value into corresponding
+ *  integer value.
+ */
+static void map_range(uint8_t range_in, uint8_t *range_out)
+{
+    switch (range_in) {
+    case  BMA4_ACCEL_RANGE_2G:
+        *range_out = 2;
+        break;
+    case  BMA4_ACCEL_RANGE_4G:
+        *range_out = 4;
+        break;
+    case  BMA4_ACCEL_RANGE_8G:
+        *range_out = 8;
+        break;
+    case  BMA4_ACCEL_RANGE_16G:
+        *range_out = 16;
+        break;
+    default:
+        break;
+    }
+}
+
+/*!
+ *  @brief This API is used to reset the FIFO related configurations
+ *  in the fifo_frame structure.
+ *
+ */
+static void reset_fifo_data_structure(const struct bma4_dev *dev)
+{
+    /*Prepare for next FIFO read by resetting FIFO's
+    internal data structures*/
+    dev->fifo->accel_byte_start_idx = 0;
+    dev->fifo->mag_byte_start_idx = 0;
+    dev->fifo->sc_frame_byte_start_idx = 0;
+    dev->fifo->sensor_time = 0;
+    dev->fifo->skipped_frame_count = 0;
+    dev->fifo->accel_dropped_frame_count = 0;
+    dev->fifo->mag_dropped_frame_count = 0;
+}
+
+/*!
+ *  @brief This API computes the number of bytes of accel FIFO data
+ *  which is to be parsed in header-less mode
+ */
+static void get_accel_len_to_parse(uint16_t *start_idx, uint16_t *len, const uint16_t *acc_count,
+                                   const struct bma4_dev *dev)
+{
+    uint8_t dummy_byte_spi = 0;
+
+    /*Check if this is the first iteration of data unpacking
+     if yes, then consider dummy byte on SPI*/
+    if (dev->fifo->accel_byte_start_idx == 0)
+        dummy_byte_spi = dev->dummy_byte;
+
+    /*Data start index*/
+    *start_idx = dev->fifo->accel_byte_start_idx + dummy_byte_spi;
+
+    if (dev->fifo->fifo_data_enable == BMA4_FIFO_A_ENABLE) {
+        /*Len has the number of bytes to loop for */
+        *len = (uint16_t)(((*acc_count) * BMA4_FIFO_A_LENGTH) + dummy_byte_spi);
+    } else if (dev->fifo->fifo_data_enable == BMA4_FIFO_M_A_ENABLE) {
+        /*Len has the number of bytes to loop for */
+        *len = (uint16_t)(((*acc_count) * BMA4_FIFO_MA_LENGTH) + dummy_byte_spi);
+    } else {
+        /*Only aux. sensor or no sensor is enabled in FIFO,
+        so there will be no accel data.
+        Update the data index as complete*/
+        *start_idx = dev->fifo->length;
+    }
+    if ((*len) > dev->fifo->length) {
+        /*Handling the case where more data is requested
+        than available*/
+        *len = dev->fifo->length;
+    }
+}
+
+/*!
+ *  @brief This API checks the fifo read data as empty frame, if it
+ *  is empty frame then moves the index to last byte.
+ */
+static void check_empty_fifo(uint16_t *data_index, const struct bma4_dev *dev)
+{
+    if ((*data_index + 2) < dev->fifo->length) {
+        /* Check if FIFO is empty */
+        if ((dev->fifo->data[*data_index] == FIFO_MSB_CONFIG_CHECK)
+                && (dev->fifo->data[*data_index + 1] == FIFO_LSB_CONFIG_CHECK)) {
+            /*Update the data index as complete*/
+            *data_index = dev->fifo->length;
+        }
+    }
+}
+
+/*!
+ *  @brief This API is used to parse the accelerometer data from the
+ *  FIFO data in header mode.
+ *
+ */
+static void extract_accel_header_mode(struct bma4_accel *accel_data, uint16_t *accel_length, const struct bma4_dev *dev)
+{
+    uint8_t frame_header = 0;
+    uint16_t data_index;
+    uint16_t accel_index = 0;
+    uint16_t frame_to_read = *accel_length;
+    /*Check if this is the first iteration of data unpacking
+     if yes, then consider dummy byte on SPI*/
+    if (dev->fifo->accel_byte_start_idx == 0)
+        dev->fifo->accel_byte_start_idx = dev->dummy_byte;
+
+    for (data_index = dev->fifo->accel_byte_start_idx; data_index < dev->fifo->length;) {
+        /*Header byte is stored in the variable frame_header*/
+        frame_header = dev->fifo->data[data_index];
+        /*Get the frame details from header*/
+        frame_header = frame_header & BMA4_FIFO_TAG_INTR_MASK;
+        /*Index is moved to next byte where the data is starting*/
+        data_index++;
+
+        switch (frame_header) {
+        /* Accel frame */
+        case FIFO_HEAD_A:
+        case FIFO_HEAD_M_A:
+            unpack_acc_frm(accel_data, &data_index, &accel_index, frame_header, dev);
+            break;
+        /* Aux. sensor frame */
+        case FIFO_HEAD_M:
+            move_next_frame(&data_index, BMA4_FIFO_M_LENGTH, dev);
+            break;
+        /* Sensor time frame */
+        case FIFO_HEAD_SENSOR_TIME:
+            unpack_sensortime_frame(&data_index, dev);
+            break;
+        /* Skip frame */
+        case FIFO_HEAD_SKIP_FRAME:
+            unpack_skipped_frame(&data_index, dev);
+            break;
+        /* Input config frame */
+        case FIFO_HEAD_INPUT_CONFIG:
+            move_next_frame(&data_index, 1, dev);
+            break;
+        /* Sample drop frame */
+        case FIFO_HEAD_SAMPLE_DROP:
+            unpack_dropped_frame(&data_index, dev);
+            break;
+        /* Over read FIFO data */
+        case FIFO_HEAD_OVER_READ_MSB:
+            /* Update the data index as complete*/
+            data_index = dev->fifo->length;
+            break;
+        default:
+            break;
+        }
+        if (frame_to_read == accel_index) {
+            /*Number of frames to read completed*/
+            break;
+        }
+    }
+
+    /*Update number of accel data read*/
+    *accel_length = accel_index;
+    /*Update the accel frame index*/
+    dev->fifo->accel_byte_start_idx = data_index;
+}
+
+/*!
+ *  @brief This API is used to parse the accelerometer data from the
+ *  FIFO data in both header mode and header-less mode.
+ *  It update the idx value which is used to store the index of
+ *  the current data byte which is parsed.
+ */
+static void unpack_acc_frm(struct bma4_accel *acc, uint16_t *idx, uint16_t *acc_idx, uint8_t frm,
+                           const struct bma4_dev *dev)
+{
+    switch (frm) {
+    case FIFO_HEAD_A:
+    case BMA4_FIFO_A_ENABLE:
+        /*Partial read, then skip the data*/
+        if ((*idx + BMA4_FIFO_A_LENGTH) > dev->fifo->length) {
+            /*Update the data index as complete*/
+            *idx = dev->fifo->length;
+            break;
+        }
+        /*Unpack the data array into the structure instance "acc" */
+        unpack_accel_data(&acc[*acc_idx], *idx, dev);
+        /*Move the data index*/
+        *idx = *idx + BMA4_FIFO_A_LENGTH;
+        (*acc_idx)++;
+        break;
+    case FIFO_HEAD_M_A:
+    case BMA4_FIFO_M_A_ENABLE:
+        /*Partial read, then skip the data*/
+        if ((*idx + BMA4_FIFO_MA_LENGTH) > dev->fifo->length) {
+            /*Update the data index as complete*/
+            *idx = dev->fifo->length;
+            break;
+        }
+        /*Unpack the data array into structure instance "acc"*/
+        unpack_accel_data(&acc[*acc_idx], *idx + BMA4_MA_FIFO_A_X_LSB, dev);
+        /*Move the data index*/
+        *idx = *idx + BMA4_FIFO_MA_LENGTH;
+        (*acc_idx)++;
+        break;
+    /* Aux. sensor frame */
+    case FIFO_HEAD_M:
+    case BMA4_FIFO_M_ENABLE:
+        (*idx) = (*idx) + BMA4_FIFO_M_LENGTH;
+        break;
+    default:
+        break;
+    }
+}
+
+/*!
+ *  @brief This API is used to parse the accelerometer data from the
+ *  FIFO data and store it in the instance of the structure bma4_accel.
+ */
+static void unpack_accel_data(struct bma4_accel *accel_data, uint16_t data_start_index, const struct bma4_dev *dev)
+{
+    uint16_t data_lsb;
+    uint16_t data_msb;
+
+    /* Accel raw x data */
+    data_lsb = dev->fifo->data[data_start_index++];
+    data_msb = dev->fifo->data[data_start_index++];
+    accel_data->x = (int16_t)((data_msb << 8) | data_lsb);
+
+    /* Accel raw y data */
+    data_lsb = dev->fifo->data[data_start_index++];
+    data_msb = dev->fifo->data[data_start_index++];
+    accel_data->y = (int16_t)((data_msb << 8) | data_lsb);
+
+    /* Accel raw z data */
+    data_lsb = dev->fifo->data[data_start_index++];
+    data_msb = dev->fifo->data[data_start_index++];
+    accel_data->z = (int16_t)((data_msb << 8) | data_lsb);
+
+    if (dev->resolution == BMA4_12_BIT_RESOLUTION) {
+        accel_data->x = (accel_data->x / 0x10);
+        accel_data->y = (accel_data->y / 0x10);
+        accel_data->z = (accel_data->z / 0x10);
+    } else if (dev->resolution == BMA4_14_BIT_RESOLUTION) {
+        accel_data->x = (accel_data->x / 0x04);
+        accel_data->y = (accel_data->y / 0x04);
+        accel_data->z = (accel_data->z / 0x04);
+    }
+}
+
+/*!
+ *  @brief This API computes the number of bytes of Mag FIFO data which is
+ *  to be parsed in header-less mode
+ *
+ */
+static void get_mag_len_to_parse(uint16_t *start_idx, uint16_t *len, const uint16_t *mag_count,
+                                 const struct bma4_dev *dev)
+{
+    uint8_t dummy_byte_spi = 0;
+
+    /*Check if this is the first iteration of data unpacking
+     if yes, then consider dummy byte on SPI*/
+    if (dev->fifo->mag_byte_start_idx == 0)
+        dummy_byte_spi = dev->dummy_byte;
+
+    /*Data start index*/
+    *start_idx = dev->fifo->mag_byte_start_idx + dummy_byte_spi;
+
+    if (dev->fifo->fifo_data_enable == BMA4_FIFO_M_ENABLE) {
+        /*Len has the number of bytes to loop for */
+        *len = (uint16_t)(((*mag_count) * BMA4_FIFO_M_LENGTH) + dummy_byte_spi);
+    } else if (dev->fifo->fifo_data_enable == BMA4_FIFO_M_A_ENABLE) {
+        /*Len has the number of bytes to loop for */
+        *len = (uint16_t)(((*mag_count) * BMA4_FIFO_MA_LENGTH) + dummy_byte_spi);
+    } else {
+        /*Only accel sensor or no sensor is enabled in FIFO,
+        so there will be no mag data.
+        Update the data index as complete*/
+        *start_idx = dev->fifo->length;
+    }
+
+    /*Handling the case where more data is requested than available*/
+    if ((*len) > dev->fifo->length) {
+        /*Len is equal to the FIFO length*/
+        *len = dev->fifo->length;
+    }
+}
+
+/*!
+ *  @brief This API is used to parse the magnetometer data from the
+ *  FIFO data in header mode.
+ *
+ */
+static uint16_t extract_mag_header_mode(struct bma4_mag *data, uint16_t *len, const struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t frame_header = 0;
+    uint16_t data_index;
+    uint16_t mag_index = 0;
+    uint16_t frame_to_read = *len;
+
+    /*Check if this is the first iteration of data unpacking
+     if yes, then consider dummy byte on SPI*/
+    if (dev->fifo->mag_byte_start_idx == 0)
+        dev->fifo->mag_byte_start_idx = dev->dummy_byte;
+
+    for (data_index = dev->fifo->mag_byte_start_idx; data_index < dev->fifo->length;) {
+        /*Header byte is stored in the variable frame_header*/
+        frame_header = dev->fifo->data[data_index];
+        /*Get the frame details from header*/
+        frame_header = frame_header & BMA4_FIFO_TAG_INTR_MASK;
+        /*Index is moved to next byte where the data is starting*/
+        data_index++;
+
+        switch (frame_header) {
+        /* Aux. sensor frame */
+        case FIFO_HEAD_M:
+        case FIFO_HEAD_M_A:
+            rslt |= unpack_mag_frm(data, &data_index, &mag_index, frame_header, dev);
+            break;
+        /* Aux. sensor frame */
+        case FIFO_HEAD_A:
+            move_next_frame(&data_index, BMA4_FIFO_A_LENGTH, dev);
+            break;
+        /* Sensor time frame */
+        case FIFO_HEAD_SENSOR_TIME:
+            unpack_sensortime_frame(&data_index, dev);
+            break;
+        /* Skip frame */
+        case FIFO_HEAD_SKIP_FRAME:
+            unpack_skipped_frame(&data_index, dev);
+            break;
+        /* Input config frame */
+        case FIFO_HEAD_INPUT_CONFIG:
+            move_next_frame(&data_index, 1, dev);
+            break;
+        /* Sample drop frame */
+        case FIFO_HEAD_SAMPLE_DROP:
+            unpack_dropped_frame(&data_index, dev);
+            break;
+        case FIFO_HEAD_OVER_READ_MSB:
+            /*Update the data index as complete*/
+            data_index = dev->fifo->length;
+            break;
+        default:
+            break;
+        }
+        if (frame_to_read == mag_index) {
+            /*Number of frames to read completed*/
+            break;
+        }
+    }
+    /*update number of Aux. sensor data read*/
+    *len = mag_index;
+    /*update the Aux. sensor frame index*/
+    dev->fifo->mag_byte_start_idx = data_index;
+    return rslt;
+}
+
+/*!
+ *  @brief This API is used to parse the magnetometer data from the
+ *  FIFO data in both header mode and header-less mode and update the
+ *  data_index value which is used to store the index of the current
+ *  data byte which is parsed.
+ *
+ */
+static uint16_t unpack_mag_frm(struct bma4_mag *data, uint16_t *idx, uint16_t *mag_idx, uint8_t frm,
+                               const struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+
+    switch (frm) {
+    case FIFO_HEAD_M:
+    case BMA4_FIFO_M_ENABLE:
+        /*partial read, then skip the data*/
+        if ((*idx + BMA4_FIFO_M_LENGTH) > dev->fifo->length) {
+            /*update the data index as complete*/
+            *idx = dev->fifo->length;
+            break;
+        }
+
+        /*unpack the data array into Aux. sensor data structure*/
+        rslt |= unpack_mag_data(&data[*mag_idx], *idx, dev);
+        /*move the data index*/
+        *idx = *idx + BMA4_FIFO_M_LENGTH;
+        (*mag_idx)++;
+        break;
+    case FIFO_HEAD_M_A:
+    case BMA4_FIFO_M_A_ENABLE:
+        /*partial read, then skip the data*/
+        if ((*idx + BMA4_FIFO_MA_LENGTH) > dev->fifo->length) {
+            /*update the data index as complete*/
+            *idx = dev->fifo->length;
+            break;
+        }
+
+        /*unpack the data array into Aux. sensor data structure*/
+        rslt |= unpack_mag_data(&data[*mag_idx], *idx, dev);
+        /*move the data index to next frame*/
+        *idx = *idx + BMA4_FIFO_MA_LENGTH;
+        (*mag_idx)++;
+        break;
+    /* aux. sensor frame */
+    case FIFO_HEAD_A:
+    case BMA4_FIFO_A_ENABLE:
+        (*idx) = (*idx) + BMA4_FIFO_A_LENGTH;
+        break;
+    default:
+        break;
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API is used to parse the auxiliary magnetometer data from
+ *  the FIFO data and store it in the instance of the structure mag_data.
+ *
+ */
+static uint16_t unpack_mag_data(struct bma4_mag *mag_data, uint16_t start_idx, const struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    struct bma4_mag_fifo_data mag_fifo_data;
+
+    /* Aux. mag sensor raw x data */
+    mag_fifo_data.mag_x_lsb = dev->fifo->data[start_idx++];
+    mag_fifo_data.mag_x_msb = dev->fifo->data[start_idx++];
+
+    /* Aux. mag sensor raw y data */
+    mag_fifo_data.mag_y_lsb = dev->fifo->data[start_idx++];
+    mag_fifo_data.mag_y_msb = dev->fifo->data[start_idx++];
+
+    /* Aux. mag sensor raw z data */
+    mag_fifo_data.mag_z_lsb = dev->fifo->data[start_idx++];
+    mag_fifo_data.mag_z_msb = dev->fifo->data[start_idx++];
+
+    /* Aux. mag sensor raw r data */
+    mag_fifo_data.mag_r_y2_lsb = dev->fifo->data[start_idx++];
+    mag_fifo_data.mag_r_y2_msb = dev->fifo->data[start_idx++];
+
+    /*Compensated FIFO data output*/
+    rslt |= bma4_second_if_mag_compensate_xyz(mag_fifo_data, dev->aux_sensor, mag_data);
+
+    return rslt;
+}
+
+/*!
+ *  @brief This API is used to parse and store the sensor time from the
+ *  FIFO data in the structure instance dev.
+ *
+ */
+static void unpack_sensortime_frame(uint16_t *data_index, const struct bma4_dev *dev)
+{
+    uint32_t sensor_time_byte3 = 0;
+    uint16_t sensor_time_byte2 = 0;
+    uint8_t sensor_time_byte1 = 0;
+
+    /*Partial read, then move the data index to last data*/
+    if ((*data_index + BMA4_SENSOR_TIME_LENGTH) > dev->fifo->length) {
+        /*Update the data index as complete*/
+        *data_index = dev->fifo->length;
+    } else {
+        sensor_time_byte3 = dev->fifo->data[(*data_index) + BMA4_SENSOR_TIME_MSB_BYTE] << 16;
+        sensor_time_byte2 = dev->fifo->data[(*data_index) + BMA4_SENSOR_TIME_XLSB_BYTE] << 8;
+        sensor_time_byte1 = dev->fifo->data[(*data_index)];
+        /* Sensor time */
+        dev->fifo->sensor_time = (uint32_t)(sensor_time_byte3 | sensor_time_byte2 | sensor_time_byte1);
+        *data_index = (*data_index) + BMA4_SENSOR_TIME_LENGTH;
+    }
+}
+
+/*!
+ *  @brief This API is used to parse and store the skipped_frame_count from
+ *  the FIFO data in the structure instance dev.
+ */
+static void unpack_skipped_frame(uint16_t *data_index, const struct bma4_dev *dev)
+{
+    /*Partial read, then move the data index to last data*/
+    if (*data_index >= dev->fifo->length) {
+        /*Update the data index as complete*/
+        *data_index = dev->fifo->length;
+    } else {
+        dev->fifo->skipped_frame_count = dev->fifo->data[*data_index];
+        /*Move the data index*/
+        *data_index = (*data_index) + 1;
+    }
+}
+
+/*!
+ *  @brief This API is used to parse and store the dropped_frame_count from
+ *  the FIFO data in the structure instance dev.
+ */
+static void unpack_dropped_frame(uint16_t *data_index, const struct bma4_dev *dev)
+{
+    uint8_t dropped_frame = 0;
+    /*Partial read, then move the data index to last data*/
+    if (*data_index >= dev->fifo->length) {
+        /*Update the data index as complete*/
+        *data_index = dev->fifo->length;
+    } else {
+        /*Extract accel and mag dropped frame count*/
+        dropped_frame = dev->fifo->data[*data_index] & ACCEL_AUX_FIFO_DROP;
+        /*Move the data index and update the dropped frame count*/
+        switch (dropped_frame) {
+        case ACCEL_FIFO_DROP:
+            *data_index = (*data_index) + BMA4_FIFO_A_LENGTH;
+            dev->fifo->accel_dropped_frame_count = dev->fifo->accel_dropped_frame_count + 1;
+            break;
+        case AUX_FIFO_DROP:
+            *data_index = (*data_index) + BMA4_FIFO_M_LENGTH;
+            dev->fifo->mag_dropped_frame_count = dev->fifo->mag_dropped_frame_count + 1;
+            break;
+        case ACCEL_AUX_FIFO_DROP:
+            *data_index = (*data_index) + BMA4_FIFO_MA_LENGTH;
+            dev->fifo->accel_dropped_frame_count = dev->fifo->accel_dropped_frame_count + 1;
+            dev->fifo->mag_dropped_frame_count = dev->fifo->mag_dropped_frame_count + 1;
+            break;
+        default:
+            break;
+        }
+    }
+}
+
+/*!
+ *  @brief This API is used to move the data index ahead of the
+ *  current_frame_length parameter when unnecessary FIFO data appears while
+ *  extracting the user specified data.
+ */
+static void move_next_frame(uint16_t *data_index, uint8_t current_frame_length, const struct bma4_dev *dev)
+{
+    /*Partial read, then move the data index to last data*/
+    if ((*data_index + current_frame_length) > dev->fifo->length) {
+        /*Update the data index as complete*/
+        *data_index = dev->fifo->length;
+    } else {
+        /*Move the data index to next frame*/
+        *data_index = *data_index + current_frame_length;
+    }
+}
+
+/*!
+ *  @brief This function validates the Accel Self test data and decides the
+ *  result of Self test operation.
+ */
+static uint16_t validate_selftest(const struct selftest_delta_limit *accel_data_diff,
+                                  const struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+
+    /* Set self test amplitude based on variant */
+    switch (dev->variant) {
+    case BMA42X_VARIANT:
+        /* Validating accel data by comparing with minimum value of the axes in mg */
+        /* For BMA42x - > x axis limit 400mg, y axis limit 800mg and z axis limit 400mg */
+        if ((accel_data_diff->x > BMA42X_ST_ACC_X_AXIS_SIGNAL_DIFF) &&
+                (accel_data_diff->y > BMA42X_ST_ACC_Y_AXIS_SIGNAL_DIFF) &&
+                (accel_data_diff->z > BMA42X_ST_ACC_Z_AXIS_SIGNAL_DIFF)) {
+            rslt = BMA4_OK;
+        } else {
+            rslt = BMA4_E_SELF_TEST_FAIL;
+        }
+        break;
+
+    case BMA45X_VARIANT:
+        /* Validating accel data by comparing with minimum value of the axes in mg */
+        /* For BMA45x - > x axis limit 1800mg, y axis limit 1800mg and z axis limit 1800mg */
+        if ((accel_data_diff->x > BMA45X_ST_ACC_X_AXIS_SIGNAL_DIFF) &&
+                (accel_data_diff->y > BMA45X_ST_ACC_Y_AXIS_SIGNAL_DIFF) &&
+                (accel_data_diff->z > BMA45X_ST_ACC_Z_AXIS_SIGNAL_DIFF)) {
+            rslt = BMA4_OK;
+        } else {
+            rslt = BMA4_E_SELF_TEST_FAIL;
+        }
+        break;
+
+    default:
+        rslt = BMA4_E_INVALID_SENSOR;
+        break;
+    }
+
+    return rslt;
+}
+
+/*!
+ *  @brief This function configure the Accel for FOC.
+ */
+static uint16_t foc_config(struct bma4_accel_config *acc_conf, uint8_t *acc_en, uint8_t *pwr_mode, struct bma4_dev *dev)
+{
+    uint16_t rslt = 0;
+    uint8_t accel_cnf = BMA4_ACCEL_CONFIG_FOC;
+
+    /* for saving Accel configuration,
+     Accel enable status, advance power save*/
+    rslt |= bma4_get_accel_config(acc_conf, dev);
+    rslt |= bma4_get_accel_enable(acc_en, dev);
+    rslt |= bma4_get_advance_power_save(pwr_mode, dev);
+
+    /* Disabling offset compensation that is in place*/
+    rslt |= bma4_set_offset_comp(BMA4_DISABLE, dev);
+
+    if (rslt == BMA4_OK) {
+        /* Set Accel config to 50Hz, continuous filter mode,
+        no under sampling */
+        rslt |= bma4_write_regs(BMA4_ACCEL_CONFIG_ADDR, &accel_cnf, 1, dev);
+
+        if (rslt == BMA4_OK) {
+            /* Switch Accel to normal mode and
+            advance power save to zero*/
+            rslt |= bma4_set_accel_enable(BMA4_ENABLE, dev);
+            rslt |= bma4_set_advance_power_save(BMA4_DISABLE, dev);
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ * @brief This API is used to calculate the power of 2
+ */
+static int32_t power(int16_t base, uint8_t resolution)
+{
+    uint8_t i = 1;
+    /* Initialize variable to store the power of 2 value */
+    int32_t value = 1;
+
+    for (; i <= resolution; i++)
+        value = (int32_t)(value * base);
+
+    return value;
+}
+
+/*!
+ * @brief This API performs the roundoff on given value
+ */
+static int8_t roundoff(int32_t value)
+{
+    /* Variable to return the round off value */
+    int8_t ret = 0;
+
+    /* Since the value passed is scaled in multiples of 100,
+    the return value is divided by 100 to get the round off value */
+    if (value < 0)
+        ret = (int8_t)(((value) - 50) / 100);
+    else
+        ret = (int8_t)(((value) + 50) / 100);
+
+
+    return ret;
+}
+
+/*!
+ * @brief This API finds the bit position of 3.9mg according to given range
+ * and resolution.
+ */
+static int8_t get_bit_pos_3_9mg(uint8_t range, uint8_t res)
+{
+    /* Variable to store the bit position of 3.9mg */
+    int8_t bit_pos_3_9mg = 0;
+    /* Variable to store the value to be rounded off */
+    int32_t value = 0;
+    /* Variable to store the LSB per bit in micros */
+    int32_t ug_per_bit;
+    /* Variable to store the rounded off value */
+    int8_t round_off_int;
+    /* Variable to store the bit count */
+    uint8_t bit_count = 0;
+    /* Variable to store the signed range value */
+    int32_t range_value;
+
+    /* Scaling range with a multiplier to get integer value of ug_per_bit */
+    range_value = (int32_t)(2 * range * BMA4XY_MULTIPLIER);
+
+    /* Get the G-per bit resolution*/
+    ug_per_bit = (int32_t)(range_value / power(2, res));
+
+    /* Compare for -ve & +ve bit position w.r.t 3900micro-g or as reference
+     * Note: Value scaled in 100s to get accurate integer value */
+    if (ug_per_bit > 3900)
+        value = (int32_t)(ug_per_bit * 100 / 3900);
+    else
+        value = (int32_t)(3900 * 100 / ug_per_bit);
+
+    /* Round off the value */
+    round_off_int = (int8_t)(roundoff(value));
+
+    /* Find the bit position of 3.9mg*/
+    while (round_off_int != 1) {
+        round_off_int = (round_off_int / 0x02);
+        bit_count++;
+    }
+
+    /* Check for +ve and -ve bit position of 3.9 mg */
+    if (ug_per_bit > 3900)
+        bit_pos_3_9mg = (int8_t)(bit_count * (-1));
+    else
+        bit_pos_3_9mg = (int8_t)bit_count;
+
+    return bit_pos_3_9mg;
+}
+/*!
+ * @brief This internal API brings up the secondary interface to access
+ *          auxiliary sensor *
+ */
+static uint16_t bma4_set_aux_interface_config(struct bma4_dev *dev)
+{
+    /* Variable to return error codes */
+    uint16_t rslt = BMA4_OK;
+
+    /* Check for null pointer error */
+    rslt |= bma4_null_pointer_check(dev);
+
+    if (rslt == BMA4_OK) {
+        /* Enable the auxiliary sensor */
+        rslt |= bma4_set_mag_enable(0x01, dev);
+        dev->delay(BMA4_AUX_COM_DELAY);
+
+        /* Disable advance power save */
+        rslt |= bma4_set_advance_power_save(0x00, dev);
+        dev->delay(BMA4_AUX_COM_DELAY);
+
+        /* Set the I2C device address of auxiliary device */
+        rslt |= bma4_set_i2c_device_addr(dev);
+        dev->delay(BMA4_AUX_COM_DELAY);
+
+        /* Set auxiliary interface to manual mode */
+        rslt |= bma4_set_mag_manual_enable(dev->aux_config.manual_enable, dev);
+        dev->delay(BMA4_AUX_COM_DELAY);
+
+        /* Set the number of bytes for burst read */
+        rslt |= bma4_set_mag_burst(dev->aux_config.burst_read_length, dev);
+        dev->delay(BMA4_AUX_COM_DELAY);
+
+        /* Switch on the the auxiliary interface mode */
+        rslt |= bma4_set_if_mode(dev->aux_config.if_mode, dev);
+        dev->delay(BMA4_AUX_COM_DELAY);
+
+    }
+
+    return rslt;
+}
+
+/*!
+* @brief This internal API reads the data from the auxiliary sensor
+*        depending on burst length configured
+*/
+static uint16_t bma4_extract_aux_data(uint8_t aux_reg_addr, uint8_t *aux_data, uint16_t len, struct bma4_dev *dev)
+{
+    /* Variable to return error codes */
+    uint16_t rslt = BMA4_OK;
+    /* Pointer variable to read data from the register */
+    uint8_t data[15] = {0};
+    /* Variable to define length counts */
+    uint8_t len_count = 0;
+    /* Variable to define burst read length */
+    uint8_t burst_len = 0;
+    /* Variable to define read length */
+    uint8_t read_length = 0;
+    /* Variable to define the number of burst reads */
+    uint8_t burst_count;
+    /* Variable to define address of the data register*/
+    uint8_t aux_read_addr = BMA4_DATA_0_ADDR;
+
+    /* Extract burst read length in a variable */
+    rslt |= bma4_map_read_len(&burst_len, dev);
+
+    for (burst_count = 0; burst_count < len; burst_count += burst_len) {
+        /* Set the address whose data is to be read */
+        rslt |= bma4_set_mag_read_addr(aux_reg_addr, dev);
+        dev->delay(BMA4_AUX_COM_DELAY);
+
+        if (rslt == BMA4_OK) {
+            /* If user defined length is valid */
+            if (len > 0) {
+                /* Read the data from the data register */
+                rslt |= bma4_read_regs(aux_read_addr, data, (uint8_t)burst_len, dev);
+                dev->delay(BMA4_AUX_COM_DELAY);
+
+                if (rslt == BMA4_OK) {
+                    /* If defined user length or remaining length after a burst
+                    read  is less than burst length */
+                    if ((len - burst_count) < burst_len) {
+                        /* Read length is equal to burst_length or
+                           remaining length*/
+                        read_length = (uint8_t)(len - burst_count);
+                    } else {
+                        /* Read length is equal to burst_length */
+                        read_length = burst_len;
+                    }
+
+                    /* Copy the read data in terms of given read length */
+                    for (len_count = 0; len_count < read_length; len_count++)
+                        aux_data[burst_count +  len_count] = data[len_count];
+
+                    /* Increment the register address by burst read length */
+                    aux_reg_addr += burst_len;
+                } else {
+                    rslt = BMA4_E_RD_WR_LENGTH_INVALID;
+                }
+            } else {
+                rslt = BMA4_E_FAIL;
+            }
+        } else {
+            rslt = BMA4_E_FAIL;
+        }
+    }
+
+    return rslt;
+}
+
+/*!
+ * @brief This internal API maps the actual burst read length with user
+            length set.
+ */
+static uint16_t bma4_map_read_len(uint8_t *len, const struct bma4_dev *dev)
+{
+    /* Variable to return error codes */
+    uint16_t rslt = BMA4_OK;
+
+    switch (dev->aux_config.burst_read_length) {
+
+    case BMA4_AUX_READ_LEN_0:
+        *len = 1;
+        break;
+    case BMA4_AUX_READ_LEN_1:
+        *len = 2;
+        break;
+    case BMA4_AUX_READ_LEN_2:
+        *len = 6;
+        break;
+    case BMA4_AUX_READ_LEN_3:
+        *len = 8;
+        break;
+    default:
+        rslt = BMA4_E_OUT_OF_RANGE;
+        break;
+    }
+
+    return rslt;
+}
+
+/*!
+* @brief This internal API checks null pointer error
+*/
+static uint16_t bma4_null_pointer_check(const struct bma4_dev *dev)
+{
+    uint16_t rslt = BMA4_OK;
+
+    if ((dev == NULL) || (dev->bus_read == NULL) || (dev->bus_write == NULL))
+        rslt |= BMA4_E_NULL_PTR;
+    else
+        rslt = BMA4_OK;
+
+    return rslt;
+}
diff --git a/lib/libesp32/TTGO_TWatch_Library/src/bma4.h b/lib/libesp32_div/TTGO_TWatch_Library/src/bma4.h
old mode 100755
new mode 100644
similarity index 97%
rename from lib/libesp32/TTGO_TWatch_Library/src/bma4.h
rename to lib/libesp32_div/TTGO_TWatch_Library/src/bma4.h
index eba44b26c..b99d9e111
--- a/lib/libesp32/TTGO_TWatch_Library/src/bma4.h
+++ b/lib/libesp32_div/TTGO_TWatch_Library/src/bma4.h
@@ -1,1574 +1,1574 @@
-/*
-*
-****************************************************************************
-* Copyright (C) 2015 - 2016 Bosch Sensortec GmbH
-*
-* File : bma4.h
-*
-* Date: 12 Oct 2017
-*
-* Revision: 2.1.9 $
-*
-* Usage: Sensor Driver for BMA4 family of sensors
-*
-****************************************************************************
-*
-* Disclaimer
-*
-* Common:
-* Bosch Sensortec products are developed for the consumer goods industry.
-* They may only be used within the parameters of the respective valid
-* product data sheet.  Bosch Sensortec products are provided with the
-* express understanding that there is no warranty of fitness for a
-* particular purpose.They are not fit for use in life-sustaining,
-* safety or security sensitive systems or any system or device
-* that may lead to bodily harm or property damage if the system
-* or device malfunctions. In addition,Bosch Sensortec products are
-* not fit for use in products which interact with motor vehicle systems.
-* The resale and or use of products are at the purchasers own risk and
-* his own responsibility. The examination of fitness for the intended use
-* is the sole responsibility of the Purchaser.
-*
-* The purchaser shall indemnify Bosch Sensortec from all third party
-* claims, including any claims for incidental, or consequential damages,
-* arising from any product use not covered by the parameters of
-* the respective valid product data sheet or not approved by
-* Bosch Sensortec and reimburse Bosch Sensortec for all costs in
-* connection with such claims.
-*
-* The purchaser must monitor the market for the purchased products,
-* particularly with regard to product safety and inform Bosch Sensortec
-* without delay of all security relevant incidents.
-*
-* Engineering Samples are marked with an asterisk (*) or (e).
-* Samples may vary from the valid technical specifications of the product
-* series. They are therefore not intended or fit for resale to third
-* parties or for use in end products. Their sole purpose is internal
-* client testing. The testing of an engineering sample may in no way
-* replace the testing of a product series. Bosch Sensortec assumes
-* no liability for the use of engineering samples.
-* By accepting the engineering samples, the Purchaser agrees to indemnify
-* Bosch Sensortec from all claims arising from the use of engineering
-* samples.
-*
-* Special:
-* This software module (hereinafter called "Software") and any information
-* on application-sheets (hereinafter called "Information") is provided
-* free of charge for the sole purpose to support your application work.
-* The Software and Information is subject to the following
-* terms and conditions:
-*
-* The Software is specifically designed for the exclusive use for
-* Bosch Sensortec products by personnel who have special experience
-* and training. Do not use this Software if you do not have the
-* proper experience or training.
-*
-* This Software package is provided `` as is `` and without any expressed
-* or implied warranties,including without limitation, the implied warranties
-* of merchantability and fitness for a particular purpose.
-*
-* Bosch Sensortec and their representatives and agents deny any liability
-* for the functional impairment
-* of this Software in terms of fitness, performance and safety.
-* Bosch Sensortec and their representatives and agents shall not be liable
-* for any direct or indirect damages or injury, except as
-* otherwise stipulated in mandatory applicable law.
-*
-* The Information provided is believed to be accurate and reliable.
-* Bosch Sensortec assumes no responsibility for the consequences of use
-* of such Information nor for any infringement of patents or
-* other rights of third parties which may result from its use.
-* No license is granted by implication or otherwise under any patent or
-* patent rights of Bosch. Specifications mentioned in the Information are
-* subject to change without notice.
-**************************************************************************/
-/*! \file bma4.h
-    \brief Sensor Driver for BMA4 family of sensors */
-#ifndef BMA4_H__
-#define	BMA4_H__
-
-/*********************************************************************/
-/* header files */
-
-#include "bma4_defs.h"
-#ifdef AKM9916
-#include "aux_akm9916.h"
-#endif
-
-#ifdef BMM150
-#include "aux_bmm150.h"
-#endif
-/*********************************************************************/
-/* (extern) variable declarations */
-
-/*********************************************************************/
-/* function prototype declarations */
-/*!
- *	@brief This API is the entry point.
- *	Call this API before using all other APIs.
- *	This API reads the chip-id of the sensor which is the first step to
- *	verify the sensor and also it configures the read mechanism of SPI and
- *	I2C interface.
- *
- *	@param[in,out] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- *	@note
- *	While changing the parameter of the bma4
- *	consider the following point:
- *	Changing the reference value of the parameter
- *	will changes the local copy or local reference
- *	make sure your changes will not
- *	affect the reference value of the parameter
- *	(Better case don't change the reference value of the parameter)
- */
-uint16_t bma4_init(struct bma4_dev *dev);
-
-/*!
- *	@brief This API is used to write the binary configuration in the sensor
- *
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_write_config_file(struct bma4_dev *dev);
-
-/*!
- *	@brief This API checks whether the write operation requested is for
- *	feature config or register write and accordingly writes the data in the
- *	sensor.
- *
- *	@note user has to disable the advance power save mode in the sensor when
- *	using this API in burst write mode.
- *	bma4_set_advance_power_save(BMA4_DISABLE, dev);
- *
- *	@param[in] addr : Register address.
- *	@param[in] data : Write data buffer
- *	@param[in] len	: No of bytes to write
- *	@param[in] dev	: Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma4_write_regs(uint8_t addr, uint8_t *data, uint8_t len, struct bma4_dev *dev);
-
-/*!
- *	@brief This API checks whether the read operation requested is for
- *	feature or register read and accordingly reads the data from the sensor.
- *
- *	@param[in] addr	: Register address.
- *	@param[in] data	: Read data buffer.
- *	@param[in] len	: No of bytes to read.
- *	@param[in] dev	: Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma4_read_regs(uint8_t addr, uint8_t *data, uint8_t len, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the error status from the sensor.
- *
- *	Below table mention the types of error which can occur in the sensor
- *@verbatim
- *************************************************************************
- *        Error           |       Description
- *************************|***********************************************
- *                        |       Fatal Error, chip is not in operational
- *        fatal           |       state (Boot-, power-system).
- *                        |       This flag will be reset only by
- *                        |       power-on-reset or soft reset.
- *************************|***********************************************
- *        cmd             |       Command execution failed.
- *************************|***********************************************
- *                        |       Value        Name       Description
- *        error_code      |       000        no_error    no error
- *                        |       001        acc_err      error in
- *                        |                               ACC_CONF
- *************************|***********************************************
- *                        |        Error in FIFO detected: Input data was
- *        fifo            |        discarded in stream mode. This flag
- *                        |        will be reset when read.
- *************************|***********************************************
- *        mag             |        Error in I2C-Master detected.
- *                        |        This flag will be reset when read.
- *************************************************************************
- *@endverbatim
- *
- *	@param[in,out] err_reg : Pointer to structure variable which stores the
- *	error status read from the sensor.
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma4_get_error_status(struct bma4_err_reg *err_reg, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the sensor status from the dev sensor.
- *
- *	Below table lists the sensor status flags
- *                  Status          |       Description
- *      ----------------------------|----------------------------------------
- *      BMA4_MAG_MAN_OP_ONGOING     | Manual Mag. interface operation ongoing
- *      BMA4_CMD_RDY                | Command decoder is ready.
- *      BMA4_MAG_DATA_RDY           | Data ready for Mag.
- *      BMA4_ACC_DATA_RDY           | Data ready for Accel.
- *
- *	@param[in] status : Variable used to store the sensor status flags
- *	which is read from the sensor.
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_status(uint8_t *status, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the Accel data for x,y and z axis from the sensor.
- *	The data units is in LSB format.
- *
- *	@param[in] accel : Variable used to store the Accel data which is read
- *	from the sensor.
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@note For setting the Accel configuration use the below function
- *	bma4_set_accel_config
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_read_accel_xyz(struct bma4_accel *accel, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the sensor time of Sensor time gets updated
- *	with every update of data register or FIFO.
- *
- *	@param[in] sensor_time : Pointer variable which stores sensor time
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_sensor_time(uint32_t *sensor_time, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the chip temperature of sensor.
- *	@note If Accel and Mag are disabled, the temperature value will be set
- *	to invalid.
- *
- *	@param[out] temp : Pointer variable which stores the temperature value.
- *	@param[in] temp_unit : indicates the unit of temperature
- *	temp_unit	|	description
- *  ------------|-------------------
- *	BMA4_DEG	|	degrees Celsius
- *	BMA4_FAHREN	|	degrees fahrenheit
- *	BMA4_KELVIN	|	degrees kelvin
- *
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@note Using a scaling factor of 1000, to obtain integer values, which
- *	at the user end, are used to get accurate temperature value.
- *	BMA4_SCALE_FARHAN = 1.8 * 1000, BMA4_SCALE_KELVIN = 273.15 * 1000
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_temperature(int32_t *temp, uint8_t temp_unit, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the Output data rate, Bandwidth, perf_mode
- *	and Range of accel.
- *
- *	@param[in,out] accel :	Address of user passed structure which is used
- *	 to store the Accel configurations read from the sensor.
- *
- *	@note Enums and corresponding values for structure parameters like
- *	Odr, Bandwidth and Range are mentioned in the below tables.
- *
- *   Value      |        Odr
- *   -----------|------------------------------------
- *    1         |     BMA4_OUTPUT_DATA_RATE_0_78HZ
- *    2         |     BMA4_OUTPUT_DATA_RATE_1_56HZ
- *    3         |     BMA4_OUTPUT_DATA_RATE_3_12HZ
- *    4         |     BMA4_OUTPUT_DATA_RATE_6_25HZ
- *    5         |     BMA4_OUTPUT_DATA_RATE_12_5HZ
- *    6         |     BMA4_OUTPUT_DATA_RATE_25HZ
- *    7         |     BMA4_OUTPUT_DATA_RATE_50HZ
- *    8         |     BMA4_OUTPUT_DATA_RATE_100HZ
- *    9         |     BMA4_OUTPUT_DATA_RATE_200HZ
- *    10        |     BMA4_OUTPUT_DATA_RATE_400HZ
- *    11        |     BMA4_OUTPUT_DATA_RATE_800HZ
- *    12        |     BMA4_OUTPUT_DATA_RATE_1600HZ
- *
- *  Value |  accel_bw
- *  ------|--------------------------
- *    0   |  BMA4_ACCEL_OSR4_AVG1
- *    1   |  BMA4_ACCEL_OSR2_AVG2
- *    2   |  BMA4_ACCEL_NORMAL_AVG4
- *    3   |  BMA4_ACCEL_CIC_AVG8
- *    4   |  BMA4_ACCEL_RES_AVG16
- *    5   |  BMA4_ACCEL_RES_AVG32
- *    6   |  BMA4_ACCEL_RES_AVG64
- *    7   |  BMA4_ACCEL_RES_AVG128
- *
- *   Value   | g_range
- *   --------|---------------------
- *   0x00    | BMA4_ACCEL_RANGE_2G
- *   0x01    | BMA4_ACCEL_RANGE_4G
- *   0x02    | BMA4_ACCEL_RANGE_8G
- *   0x03    | BMA4_ACCEL_RANGE_16G
- *
- *	@param[in] dev : Structure instance of bma4_dev
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_accel_config(struct bma4_accel_config *accel, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the output_data_rate, bandwidth, perf_mode
- *	and range of Accel.
- *
- *	@param[in] accel : Pointer to structure variable which specifies the
- *	Accel configurations.
- *
- *	@note Enums and corresponding values for structure parameters like
- *	Odr, Bandwidth and Range are mentioned in the below tables.
- *	Value	|	ODR
- *	--------|-----------------------------------------
- *	 1		|	BMA4_OUTPUT_DATA_RATE_0_78HZ
- *	 2		|	BMA4_OUTPUT_DATA_RATE_1_56HZ
- *	 3		|	BMA4_OUTPUT_DATA_RATE_3_12HZ
- *	 4		|	BMA4_OUTPUT_DATA_RATE_6_25HZ
- *	 5		|	BMA4_OUTPUT_DATA_RATE_12_5HZ
- *	 6		|	BMA4_OUTPUT_DATA_RATE_25HZ
- *	 7		|	BMA4_OUTPUT_DATA_RATE_50HZ
- *	 8		|	BMA4_OUTPUT_DATA_RATE_100HZ
- *	 9		|	BMA4_OUTPUT_DATA_RATE_200HZ
- *	 10		|	BMA4_OUTPUT_DATA_RATE_400HZ
- *	 11		|	BMA4_OUTPUT_DATA_RATE_800HZ
- *	 12		|	BMA4_OUTPUT_DATA_RATE_1600HZ
- *
- *  Value |  accel_bw
- *  ------|--------------------------
- *    0   |  BMA4_ACCEL_OSR4_AVG1
- *    1   |  BMA4_ACCEL_OSR2_AVG2
- *    2   |  BMA4_ACCEL_NORMAL_AVG4
- *    3   |  BMA4_ACCEL_CIC_AVG8
- *    4   |  BMA4_ACCEL_RES_AVG16
- *    5   |  BMA4_ACCEL_RES_AVG32
- *    6   |  BMA4_ACCEL_RES_AVG64
- *    7   |  BMA4_ACCEL_RES_AVG128
- *
- *	Value	| g_range
- *	--------|---------------------
- *	0x00    | BMA4_ACCEL_RANGE_2G
- *	0x01    | BMA4_ACCEL_RANGE_4G
- *	0x02    | BMA4_ACCEL_RANGE_8G
- *	0x03    | BMA4_ACCEL_RANGE_16G
- *
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_accel_config(const struct bma4_accel_config *accel, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the advance power save mode in the sensor.
- *
- *	@note If advanced power save is enabled and the Accel  and/or
- *	magnetometer operate in duty cycling mode, the length of the unlatched
- *	DRDY interrupt pulse is longer than 1/3.2 kHz (312.5 us).
- *
- *	@param[in] adv_pwr_save : The value of advance power save mode
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_advance_power_save(uint8_t adv_pwr_save,
-	struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the status of advance power save mode
- *	from the sensor.
- *
- *	@note If the advanced power save is enabled and the Accel  and/or
- *	magnetometer operate in duty cycling mode, the length of the unlatched
- *	DRDY interrupt pulse is longer than 1/3.2 kHz (312.5 us).
- *
- *	@param[out] adv_pwr_save : The value of advance power save mode
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_advance_power_save(uint8_t *adv_pwr_save, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the FIFO self wake up functionality in the sensor.
- *
- *	@note Functionality related to FIFO self wake up depends upon the
- *	advance power save mode. for more info. refer data sheet.
- *
- *	@param[in] fifo_self_wakeup : Variable used to enable or disable
- *	FIFO self wake up functionality.
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_fifo_self_wakeup(uint8_t fifo_self_wakeup, struct bma4_dev *dev);
-
-/*!
- *	@brief This API gets the status of FIFO self wake up functionality from
- *	the sensor.
- *
- *	@note Functionality related to FIFO self wake up depends upon the
- *	advance power save mode. for more info. refer data sheet.
- *
- *	@param[out] fifo_self_wake_up : Pointer variable used to store the
- *	fifo self wake up status.
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_fifo_self_wakeup(uint8_t *fifo_self_wake_up, struct bma4_dev *dev);
-
-/*!
- *	@brief This API enables or disables the Accel in the sensor.
- *
- *	@note Before reading Accel data, user should call this API.
- *
- *	@param[in] accel_en : Variable used to enable or disable the  Accel.
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_accel_enable(uint8_t accel_en, struct bma4_dev *dev);
-
-/*!
- *	@brief This API checks whether Accel is enabled or not in the sensor.
- *
- *	@param[out] accel_en : Pointer variable used to store the Accel enable
- *	status
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_accel_enable(uint8_t *accel_en, struct bma4_dev *dev);
-
-/*!
- *	@brief This API is used to enable or disable auxiliary Mag
- *	in the sensor.
- *
- *	@note Before reading Mag data, user should call this API.
- *
- *	@param[in] mag_en : Variable used to enable or disable the Mag.
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_mag_enable(uint8_t mag_en, struct bma4_dev *dev);
-
-/*!
- *	@brief This API is used to check whether the auxiliary Mag is enabled
- *	or not in the sensor.
- *
- *	@param[out] mag_en : Pointer variable used to store the enable status of
- *	Mag in the sensor.
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_mag_enable(uint8_t *mag_en, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the SPI interface mode which is set for primary
- *	interface.
- *
- *	@param[out] spi : Pointer variable which stores the SPI mode selection
- *	Value	|  Description
- *	--------|------------------
- *		0	|  SPI 4-wire mode
- *		1	|  SPI 3-wire mode
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_spi_interface(uint8_t *spi, struct bma4_dev *dev);
-
-/*!
- *	@brief This API configures the SPI interface Mode for primary interface
- *
- *	@param[in] spi : The value of SPI mode selection
- *	Value	|  Description
- *	--------|------------------
- *		0	|  SPI 4-wire mode
- *		1	|  SPI 3-wire mode
- *
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_spi_interface(uint8_t spi, struct bma4_dev *dev);
-
- /*!
- *	@brief This API writes the available sensor specific commands
- *	to the sensor.
- *
- *	@param[in] command_reg : The command to write to the command register.
- *@verbatim
- *	value   |       Description
- *  --------|------------------------------------------------------
- *  0xB6    |       Triggers a soft reset
- *  0xB0    |       Clears all data in the FIFO, does not change
- *          |       FIFO_CONFIG and FIFO_DOWNS registers
- *  0xF0    |       Reset acceleration data path
- *@endverbatim
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@note Register will always read as 0x00
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_command_register(uint8_t command_reg, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the I2C device address of auxiliary sensor
- *
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_i2c_device_addr(struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the register access on MAG_IF[2], MAG_IF[3],
- *	MAG_IF[4] in the sensor. This implies that the DATA registers are
- *	not updated with Mag values automatically.
- *
- *	@param[in] mag_manual : Variable used to specify the Mag manual
- *	enable status.
- *	value    |	mag manual
- *	---------|--------------------
- *	0x01     |	BMA4_ENABLE
- *	0x00     |	BMA4_DISABLE
- *
- *	@param[out] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_mag_manual_enable(uint8_t mag_manual, struct bma4_dev *dev);
-
-/*!
- *	@brief This API checks whether the Mag access is done manually or
- *	automatically in the sensor.
- *	If the Mag access is done through manual mode then Mag data registers
- *	in sensor are not updated automatically.
- *
- *	@param[out] mag_manual : Mag manual enable value
- *	value	| mag_manual
- *	--------|-------------------
- *	0x01	|	BMA4_ENABLE
- *	0x00	|	BMA4_DISABLE
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_mag_manual_enable(uint8_t *mag_manual, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the I2C interface configuration(if) mode
- *	for auxiliary Mag.
- *
- *	@param[in] if_mode : The value of interface configuration mode
- *		Value	|		Description
- *	------------|-------------------------------------------
- *		0		|	p_auto_s_off Auxiliary interface:off
- *		1		|	p_auto_s_mag Auxiliary interface:on
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_aux_if_mode(uint8_t if_mode, struct bma4_dev *dev);
-
-/*!
- *	@brief This API gets the address of the register of Aux Mag sensor
- *	where the data to be read.
- *
- *	@param[out]  mag_read_addr : Pointer variable used to store the
- *	mag read address.
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_mag_read_addr(uint8_t *mag_read_addr, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the address of the register of Aux Mag sensor
- *	where the data to be read.
- *
- *	@param[in] mag_read_addr: Value of Mag. read address in order to read
- *	the data from the auxiliary Mag.
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_mag_read_addr(uint8_t mag_read_addr, struct bma4_dev *dev);
-
-/*!
- *	@brief This API gets the Aux Mag write address from the sensor.
- *	Mag write address is where the Mag data will be written.
- *
- *	@param[out]  mag_write_addr: Pointer used to store the Mag write address
- *	which is read from the sensor.
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_mag_write_addr(uint8_t *mag_write_addr, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the Aux Mag write address in the sensor.
- *	Mag write address is where the Mag data will be written.
- *
- *	@param[in]  mag_write_addr: Write address of Mag where the data will
- *	be written.
- *	@param[out] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_mag_write_addr(uint8_t mag_write_addr, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the data from the sensor which is written to the
- *	Mag.
- *
- *	@param[out]  mag_write_data: Pointer variable which stores the
- *	data which is written in Mag through sensor.
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_mag_write_data(uint8_t *mag_write_data, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the data in the sensor which in turn will
- *	be written to Mag.
- *
- *	@param[in]  mag_write_data: variable which specify the data which is to
- *	be written in Mag.
- *	@param[out] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_mag_write_data(uint8_t mag_write_data, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the x,y,z and r axis data from the auxiliary
- *	Mag BMM150/AKM9916 sensor.
- *
- *	@param[out] mag : Pointer variable to store the auxiliary Mag x,y,z
- *	and r axis data read from the sensor.
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_read_mag_xyzr(struct bma4_mag_xyzr *mag, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the burst data length (1,2,6,8 byte) of auxiliary
- *	Mag sensor.
- *
- *  @param[in] mag_burst : Variable used to specify the Mag burst read length
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_mag_burst(uint8_t mag_burst, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the burst data length of Mag set in the sensor.
- *
- *	@param[out] mag_burst : Pointer variable used to store the burst length
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_mag_burst(uint8_t *mag_burst, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the FIFO data of Accel and/or Mag sensor
- *
- *	@param dev  : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_read_fifo_data(struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the FIFO water mark level which is set
- *	in the sensor.
- *
- *	@note The FIFO watermark is issued when the FIFO fill level is
- *	equal or above the watermark level.
- *
- *	@param[out]  fifo_wm : Pointer variable to store FIFO water mark level
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_fifo_wm(uint16_t *fifo_wm, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the FIFO watermark level in the sensor.
- *
- *	@note The FIFO watermark is issued when the FIFO fill level is
- *	equal or above the watermark level.
- *
- *	@param[in]  fifo_wm : Variable used to set the FIFO water mark level
- *	@param[out] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_fifo_wm(uint16_t fifo_wm, struct bma4_dev *dev);
-
-/*!
- *	@brief This API checks whether the Accel FIFO data is set for filtered
- *	or unfiltered mode.
- *
- *	@param[out] accel_fifo_filter : Variable used to check whether the Accel
- *	data is filtered or unfiltered.
- *  Value    |  accel_fifo_filter
- *  ---------|-------------------------
- *  0x00     |  Unfiltered data
- *  0x01     |  Filtered data
- *	@param[in] dev : structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_accel_fifo_filter_data(uint8_t *accel_fifo_filter, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the condition of Accel FIFO data either to
- *	filtered or unfiltered mode.
- *
- *	@param[in] accel_fifo_filter : Variable used to set the filtered or
- *	unfiltered condition of Accel FIFO data.
- *  value      |  accel_fifo_filter_data
- *  -----------|-------------------------
- *    0x00     |  Unfiltered data
- *    0x01     |  Filtered data
- *	@param[out] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_accel_fifo_filter_data(uint8_t accel_fifo_filter, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the down sampling rates which is configured
- *	for Accel FIFO data.
- *
- *	@param[out] fifo_down : Variable used to specify the Accel FIFO
- *	down-sampling rates
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_fifo_down_accel(uint8_t *fifo_down, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the down-sampling rates for Accel FIFO.
- *
- *	@param[in] fifo_down : Variable used to specify the Accel FIFO
- *	down-sampling rates.
- *	@param[in] dev : structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_fifo_down_accel(uint8_t fifo_down, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the length of FIFO data available in the sensor
- *	in the units of bytes.
- *
- *	@note This byte counter is updated each time a complete frame was read
- *	or written
- *
- *	@param[in] fifo_length : Pointer variable used to store the value of
- *	fifo byte counter
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_fifo_length(uint16_t *fifo_length, struct bma4_dev *dev);
-
-/*!
- *	@brief This API aligns and compensates the Mag data of BMM150/AKM9916
- *	sensor.
- *
- *  @param[in] mag_fifo_data: Structure object which stores the Mag x,yand z
- *	axis FIFO data which is to be aligned and/or compensated.
- *	@param[in] mag_second_if: Variable used to select the Mag sensor.
- *  Value   |   mag_second_if
- *  --------|----------------------
- *    1     |   BMA4_SEC_IF_BMM150
- *    2     |   BMA4_SEC_IF_AKM09916
- *
- *	@param[out] compensated_mag_data: Pointer variable used to store the
- *	compensated Mag xyz axis data
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_second_if_mag_compensate_xyz(struct bma4_mag_fifo_data mag_fifo_data,
-							uint8_t mag_second_if,
-							struct bma4_mag *compensated_mag_data);
-
-/*!
- *	@brief This API reads Mag. x,y and z axis data from either BMM150 or
- *	AKM9916 sensor
- *
- *  @param[out] mag : Structure pointer used to store the Mag x,y, and z axis
- *	data read from the sensor.
- *
- *	@param[in] sensor_select : Variable used to select the Mag sensor
- *  Value    |   Sensor
- *  ---------|----------------------
- *   0       | BMA4_SEC_IF_NULL
- *   1       | BMA4_SEC_IF_BMM150
- *   2       | BMA4_SEC_IF_AKM09916
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_read_mag_xyz(struct bma4_mag *mag, uint8_t sensor_select, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the auxiliary I2C interface configuration which
- *	is set in the sensor.
- *
- *	@param[out]  if_mode : Pointer variable used to store the auxiliary
- *	interface configuration.
- *	Value |  Description
- *	----- |----------------------------------
- *	0x00  |  auxiliary interface:off
- *	0x01  |  auxiliary interface:on
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_if_mode(uint8_t *if_mode, struct bma4_dev *dev);
-
-/*!
- *  @brief This API sets the auxiliary interface configuration in the sensor.
- *
- *	@param[in]  if_mode : Variable used to select the auxiliary interface
- *	configuration.
- *	Value |  Description
- *	----- |--------------------------
- *	0x00  |  auxiliary interface:off
- *	0x01  |  auxiliary interface:on
- *
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_if_mode(uint8_t if_mode, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the data ready status of Accel from the sensor.
- *	@note The status get reset when Accel data register is read.
- *
- *	@param[out] data_rdy : Pointer variable to store the data ready  status
- *	@param[in] dev : structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_accel_data_rdy(uint8_t *data_rdy, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the data ready status of Mag from the sensor.
- *	The status get reset when Mag data register is read.
- *
- *	@param[out] data_rdy : Pointer variable to store the data ready status
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_mag_data_rdy(uint8_t *data_rdy, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the ASIC status from the sensor.
- *	The status information is mentioned in the below table.
- *
- *@verbatim
- *******************************************************************************
- *       Status            |  Description
- **************************|****************************************************
- *      sleep              |  ASIC is in sleep/halt state.
- *      irq_ovrn           |  Dedicated interrupt is set again before previous
- *                         |  interrupt was acknowledged.
- *      wc_event           |  Watchcell event detected (ASIC stopped).
- *  stream_transfer_active | stream transfer has started.
- *******************************************************************************
- *@endverbatim
- *
- *	@param[out] asic_status : Structure pointer used to store the ASIC
- *	status read from the sensor.
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_asic_status(struct bma4_asic_status *asic_status, struct bma4_dev *dev);
-
-/*!
- *	@brief This API enables the offset compensation for filtered and
- *	unfiltered  Accel data.
- *
- *	@param[in] offset_en : Variable used to enable or disable offset
- *	compensation
- *	offset_en	|  Description
- *	------------|----------------------
- *		0		| BMA4_DISABLE
- *		1		| BMA4_ENABLE
- *
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_offset_comp(uint8_t offset_en, struct bma4_dev *dev);
-
-/*!
- *	@brief This API gets the status of Accel offset compensation
- *
- *	@param[out] offset_en : Pointer variable used to store the Accel offset
- *	enable or disable status.
- *  offset_en |  Description
- *  ----------|--------------
- *		0     | BMA4_DISABLE
- *		1     | BMA4_ENABLE
- *
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_offset_comp(uint8_t *offset_en, struct bma4_dev *dev);
-
-/*!
- *	@brief This API parses and extracts the accelerometer frames from
- *	FIFO data read by the "bma4_read_fifo_data" API and stores it in the
- *	"accel_data" structure instance.
- *
- *	@note The bma4_extract_accel API should be called only after reading
- *	the FIFO data by calling the bma4_read_fifo_data() API
- *
- *	@param[in,out] accel_data   : Structure instance of bma4_accel where
- *   the accelerometer data in FIFO is stored.
- *	@param[in,out] accel_length : Number of accelerometer frames
- *   (x,y,z axes data)
- *	@param[in,out] dev          : Structure instance of bma4_dev.
- *
- *	@note accel_length has the number of accelerometer frames
- *	(1 accel frame   = 6 bytes) which the user needs to extract and store is
- *	provided as input parameter by the user and the Number of valid
- *	accelerometer frames extracted and stored is updated in
- *	"accel_length" at the end of execution of this API.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_extract_accel(struct bma4_accel *accel_data, uint16_t *accel_length, const struct bma4_dev *dev);
-
-/*!
- *	@brief This API parses and extracts the magnetometer frames from
- *	FIFO data read by the "bma4_read_fifo_data" API and stores it in the
- *	"mag_data" structure instance parameter of this API
- *
- *	@note The bma4_extract_mag API should be called only after reading
- *	the FIFO data by calling the bma4_read_fifo_data() API
- *
- *	@param[in,out] mag_data   : Structure instance of bma4_mag_xyzr where
- *	the magnetometer data in FIFO is stored.
- *	@param[in,out] mag_length : Number of magnetometer frames (x,y,z,r data)
- *	@param[in,out] dev        : Structure instance of bma4_dev.
- *
- *	@note mag_length has the number of magnetometer frames(x,y,z,r data)
- *	(1 mag frame = 8 bytes) which the user needs to extract and store,It is
- *	provided as input parameter by the user and the number of valid
- *	magnetometer frames extracted and stored is updated in
- *	"mag_length" at the end of execution of this API.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_extract_mag(struct bma4_mag *mag_data, uint16_t *mag_length, const struct bma4_dev *dev);
-
-/*!
- *	@brief This API performs Fast Offset Compensation for Accel.
- *	@param[in] accel_g_value : Array which stores the Accel g units
- *	for x,y and z axis.
- *      accel_g_value             |     Description
- *      --------------------------|---------------------------------------
- *      accel_g_value[0]          |   x axis g units
- *      accel_g_value[1]          |   y axis g units
- *      accel_g_value[2]          |   z axis g units
- *
- *  @param[in] dev : structure instance of dev
- *
- *  @note The g-values to be passed to the parameter should be
- *	multiples of 1000000.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_perform_accel_foc(const int32_t accel_g_value[3], struct bma4_dev *dev);
-/*!
- *	@brief This API checks whether the self test functionality of the sensor
- *	is working or not
- *
- *  @param[in] result : Pointer variable used to store the result of self test
- *	operation
- *  result   |  Description
- *	---------|--------------------
- *  0x00     | BMA4_SELFTEST_PASS
- *  0x01     | BMA4_SELFTEST_FAIL
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return results of self test
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_perform_accel_selftest(uint8_t *result, struct bma4_dev *dev);
-
-/*!
- *	@brief This API performs the steps needed for Self test operation
- *	before reading the Accel Self test data.
- *
- *	@param[in] sign: Variable used to specify the self test sign
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return results of self test
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_selftest_config(uint8_t sign, struct bma4_dev *dev);
-
-/*!
- *	@brief API sets the interrupt to either interrupt1 or
- *	interrupt2 pin in the sensor.
- *
- *	@param[in] int_line: Variable used to select interrupt pin1 or pin2
- *  int_line | interrupt selection
- *  ---------|-------------------
- *   0       | BMA4_INTR1_MAP
- *   1       | BMA4_INTR2_MAP
- *
- *	@param[in] int_map: Variable used to select a particular interrupt
- *      in the sensor
- *
- *	@param[in] enable : Variable used to enable or disable the interrupt
- *  Value    | Behaviour
- *	---------|-------------------
- *  0x01     |  BMA4_ENABLE
- *  0x00     |  BMA4_DISABLE
- *
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_map_interrupt(uint8_t int_line, uint16_t int_map, uint8_t enable, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the interrupt mode in the sensor.
- *
- *	@param[in] mode: Variable used to specify the interrupt mode which
- *  is to be set in the sensor.
- *  Mode                    |  Value
- *  ----------------------- |---------
- *  BMA4_NON_LATCH_MODE     |  0
- *  BMA4_LATCH_MODE         |  1
- *
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return status of bus communication function
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_interrupt_mode(uint8_t mode, struct bma4_dev *dev);
-
-/*!
- *  @brief This API gets the interrupt mode which is set in the sensor.
- *
- *  @param[out] mode: Pointer variable used to store the interrupt mode set in
- *  in the sensor.
- *  Mode				 |    Value
- *  ---------------------|---------------
- *  BMA4_NON_LATCH_MODE  |     0
- *  BMA4_LATCH_MODE      |     1
- *
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return status of bus communication function
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_interrupt_mode(uint8_t *mode, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the auxiliary Mag(BMM150 or AKM9916) output data
- *	rate and offset.
- *
- *	@param[in]	aux_mag : Pointer to structure variable used to specify
- *	the auxiliary Mag configuration.
- *@verbatim
- *------------------------------------------------------------------------------
- *            Odr                         |        Value
- *----------------------------------------|---------------------------------
- *    BMA4_OUTPUT_DATA_RATE_0_78HZ        |        0x01
- *    BMA4_OUTPUT_DATA_RATE_1_56HZ        |        0x02
- *    BMA4_OUTPUT_DATA_RATE_3_12HZ        |        0x03
- *    BMA4_OUTPUT_DATA_RATE_6_25HZ        |        0x04
- *    BMA4_OUTPUT_DATA_RATE_12_5HZ        |        0x05
- *    BMA4_OUTPUT_DATA_RATE_25HZ          |        0x06
- *    BMA4_OUTPUT_DATA_RATE_50HZ          |        0x07
- *    BMA4_OUTPUT_DATA_RATE_100HZ         |        0x08
- *    BMA4_OUTPUT_DATA_RATE_200HZ         |        0x09
- *    BMA4_OUTPUT_DATA_RATE_400HZ         |        0x0A
- *    BMA4_OUTPUT_DATA_RATE_800HZ         |        0x0B
- *    BMA4_OUTPUT_DATA_RATE_1600HZ        |        0x0C
- *------------------------------------------------------------------------------
- *              Offset                        |        Value
- *--------------------------------------------|---------------------------------
- *      BMA4_MAG_OFFSET_MAX                   |        0x00
- *--------------------------------------------|---------------------------------
- @endverbatim
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return status of bus communication function
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_aux_mag_config(const struct bma4_aux_mag_config *aux_mag, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the auxiliary Mag(BMM150 or AKM9916) output data
- *	rate and offset.
- *	@note : Valid output data rates are mentioned in the below table
- *
- *  @param[out] aux_mag : Pointer to structure variable used to store the
- *	auxiliary Mag configuration read from the sensor
- *@verbatim
- *------------------------------------------------------------------------
- *            Odr                         |        Value
- *----------------------------------------|-------------------------------
- *    BMA4_OUTPUT_DATA_RATE_0_78HZ        |        0x01
- *    BMA4_OUTPUT_DATA_RATE_1_56HZ        |        0x02
- *    BMA4_OUTPUT_DATA_RATE_3_12HZ        |        0x03
- *    BMA4_OUTPUT_DATA_RATE_6_25HZ        |        0x04
- *    BMA4_OUTPUT_DATA_RATE_12_5HZ        |        0x05
- *    BMA4_OUTPUT_DATA_RATE_25HZ          |        0x06
- *    BMA4_OUTPUT_DATA_RATE_50HZ          |        0x07
- *    BMA4_OUTPUT_DATA_RATE_100HZ         |        0x08
- *    BMA4_OUTPUT_DATA_RATE_200HZ         |        0x09
- *    BMA4_OUTPUT_DATA_RATE_400HZ         |        0x0A
- *    BMA4_OUTPUT_DATA_RATE_800HZ         |        0x0B
- *    BMA4_OUTPUT_DATA_RATE_1600HZ        |        0x0C
- *-------------------------------------------------------------------------
- *              Offset                    |        Value
- *----------------------------------------|--------------------------------
- *      BMA4_MAG_OFFSET_MAX               |        0x00
- *-------------------------------------------------------------------------
- @endverbatim
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return status of bus communication function
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_aux_mag_config(struct bma4_aux_mag_config *aux_mag, struct bma4_dev *dev);
-
-/*!	@brief This API sets the FIFO configuration in the sensor.
- *
- *	@param[in] config : Enum variable used to specify the FIFO
- *	configurations which are to be enabled or disabled in the sensor.
- *
- *	@note : User can set either one or more or all FIFO configurations
- *	by ORing the below mentioned enums.
- *      config					|	Value
- *      ------------------------|---------------------------
- *      BMA4_FIFO_STOP_ON_FULL	|	0x01
- *      BMA4_FIFO_TIME			|	0x02
- *      BMA4_FIFO_TAG_INTR2		|	0x04
- *      BMA4_FIFO_TAG_INTR1		|	0x08
- *      BMA4_FIFO_HEADER		|	0x10
- *      BMA4_FIFO_MAG			|	0x20
- *      BMA4_FIFO_ACCEL			|	0x40
- *      BMA4_FIFO_ALL			|	0x7F
- *
- *	@param[in] enable : Parameter used to enable or disable the above
- *	FIFO configuration
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return status of bus communication result
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_set_fifo_config(uint8_t config, uint8_t enable, struct bma4_dev *dev);
-
-/*!	@brief This API reads the FIFO configuration from the sensor.
- *
- *	@param[in] fifo_config : Enum variable used to get the below fifo
- *	configuration from the sensor.
- *
- *	@note After calling this function user should do the AND operation with
- *	the enum value populated by this function to know which FIFO
- *	configuration is enabled.
- *      fifo_config              |      Value
- *      -------------------------|--------------------------
- *      BMA4_FIFO_STOP_ON_FULL   |       0x01
- *      BMA4_FIFO_TIME           |       0x02
- *      BMA4_FIFO_TAG_INTR2      |       0x04
- *      BMA4_FIFO_TAG_INTR1      |       0x08
- *      BMA4_FIFO_HEADER         |       0x10
- *      BMA4_FIFO_MAG            |       0x20
- *      BMA4_FIFO_ACCEL          |       0x40
- *      BMA4_FIFO_ALL            |       0x7F
- *
- *
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return status of bus communication function
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_fifo_config(uint8_t *fifo_config, struct bma4_dev *dev);
-
-/*! @brief This function sets the electrical behaviour of interrupt pin1 or
- *  pin2 in the sensor.
- *
- *  @param[in] int_pin_config : Pointer to structure variable which specifies
- *  the configuration data of either interrupt pin1 or 2.
- *@verbatim
- * ************************************************************************
- *  Structure field members        |        Macros
- * ********************************|***************************************
- *         edge_ctrl               |        BMA4_LEVEL_TRIGGER(0)
- *                                 |        BMA4_EDGE_TRIGGER(1)
- * ********************************|***************************************
- *         lvl                     |        BMA4_ACTIVE_LOW(0)
- *                                 |        BMA4_ACTIVE_HIGH(1)
- * ********************************|***************************************
- *         od                      |        BMA4_PUSH_PULL(0)
- *                                 |        BMA4_OPEN_DRAIN(1)
- * ********************************|***************************************
- *         output_en               |        BMA4_OUTPUT_DISABLE(0)
- *                                 |        BMA4_OUTPUT_ENABLE(1)
- * ********************************|***************************************
- *         input_en                |        BMA4_INPUT_DISABLE(0)
- *                                 |        BMA4_INPUT_ENABLE(1)
- * ************************************************************************
- *@endverbatim
- *  @param[in] int_line	: Variable used to select the interrupt pin1 or
- *  pin2 for interrupt configuration.
- *      int_line        |    Value
- *      ----------------|----------------------
- *      BMA4_INTR1_MAP  |	0
- *      BMA4_INTR2_MAP  |	1
- *
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return status of bus communication function
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma4_set_int_pin_config(const struct bma4_int_pin_config *int_pin_config, uint8_t int_line,
-		struct bma4_dev *dev);
-
-/*! @brief This API reads the electrical behavior of interrupt pin1 or pin2
- *  from the sensor.
- *
- *  @param[out] int_pin_config : Pointer to structure variable which stores the
- *  configuration data of either interrupt pin1 or pin2 read from the sensor
- *@verbatim
- * ************************************************************************
- * Structure field members |        Macros
- * ************************|***********************************************
- * edge_ctrl               |        BMA4_LEVEL_TRIGGER(0)
- *                         |        BMA4_EDGE_TRIGGER(1)
- * ************************|***********************************************
- * lvl                     |        BMA4_ACTIVE_LOW(0)
- *                         |        BMA4_ACTIVE_HIGH(1)
- * ************************|***********************************************
- * od                      |        BMA4_PUSH_PULL(0)
- *                         |        BMA4_OPEN_DRAIN(1)
- * ************************|***********************************************
- * output_en               |        BMA4_OUTPUT_DISABLE(0)
- *                         |        BMA4_OUTPUT_ENABLE(1)
- * ************************|***********************************************
- * input_en                |        BMA4_INPUT_DISABLE(0)
- *                         |        BMA4_INPUT_ENABLE(1)
- * ************************************************************************
- *@endverbatim
- *	@param[in] int_line : Variable used to select the interrupt pin1 or
- *	pin2 for interrupt configuration.
- *       int_line          | Value
- *      -------------------|---------------
- *      BMA4_INTR1_MAP     |   0
- *      BMA4_INTR2_MAP     |   1
- *
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return status of bus communication function
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_get_int_pin_config(struct bma4_int_pin_config *int_pin_config, uint8_t int_line, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the Feature and Hardware interrupt status from the sensor.
- *
- *	@param[out] int_status : Variable used to get the interrupt status.
- *	@param[in] dev       : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_read_int_status(uint16_t *int_status, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the Feature interrupt status from the sensor.
- *
- *	@param[out] int_status_0 : Variable used to get the interrupt status.
- *	@param[in] dev       : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_read_int_status_0(uint8_t *int_status_0, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the Hardware interrupt status from the sensor.
- *
- *	@param[out] int_status_1 : Variable used to get the interrupt status.
- *	@param[in] dev       : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_read_int_status_1(uint8_t *int_status_1, struct bma4_dev *dev);
-
-/*!
- *	@brief This API initializes the auxiliary interface to access
- *			auxiliary sensor
- *
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_aux_interface_init(struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the data from the auxiliary sensor
- *
- *	@param[in]	dev : Structure instance of bma4_dev.
- *	@param[in]	len : User specified data length
- *	@param[out]	aux_data : Pointer variable to store data read
- *	@param[in]	aux_reg_addr : Variable to pass address from where
- *								data is to be read
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_aux_read(uint8_t aux_reg_addr, uint8_t *aux_data, uint16_t len, struct bma4_dev *dev);
-
-/*!
- *	@brief This API writes the data into the auxiliary sensor
- *
- *	@param[in]	dev : Structure instance of bma4_dev.
- *	@param[in]	len : User specified data length
- *	@param[out]	aux_data : Pointer variable to store data read
- *	@param[in]	aux_reg_addr : Variable to pass address from where
- *								data is to be written
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- *
- */
-uint16_t bma4_aux_write(uint8_t aux_reg_addr, uint8_t *aux_data, uint16_t len, struct bma4_dev *dev);
-
-
-#endif
-/* End of __BMA4_H__ */
+/*
+*
+****************************************************************************
+* Copyright (C) 2015 - 2016 Bosch Sensortec GmbH
+*
+* File : bma4.h
+*
+* Date: 12 Oct 2017
+*
+* Revision: 2.1.9 $
+*
+* Usage: Sensor Driver for BMA4 family of sensors
+*
+****************************************************************************
+*
+* Disclaimer
+*
+* Common:
+* Bosch Sensortec products are developed for the consumer goods industry.
+* They may only be used within the parameters of the respective valid
+* product data sheet.  Bosch Sensortec products are provided with the
+* express understanding that there is no warranty of fitness for a
+* particular purpose.They are not fit for use in life-sustaining,
+* safety or security sensitive systems or any system or device
+* that may lead to bodily harm or property damage if the system
+* or device malfunctions. In addition,Bosch Sensortec products are
+* not fit for use in products which interact with motor vehicle systems.
+* The resale and or use of products are at the purchasers own risk and
+* his own responsibility. The examination of fitness for the intended use
+* is the sole responsibility of the Purchaser.
+*
+* The purchaser shall indemnify Bosch Sensortec from all third party
+* claims, including any claims for incidental, or consequential damages,
+* arising from any product use not covered by the parameters of
+* the respective valid product data sheet or not approved by
+* Bosch Sensortec and reimburse Bosch Sensortec for all costs in
+* connection with such claims.
+*
+* The purchaser must monitor the market for the purchased products,
+* particularly with regard to product safety and inform Bosch Sensortec
+* without delay of all security relevant incidents.
+*
+* Engineering Samples are marked with an asterisk (*) or (e).
+* Samples may vary from the valid technical specifications of the product
+* series. They are therefore not intended or fit for resale to third
+* parties or for use in end products. Their sole purpose is internal
+* client testing. The testing of an engineering sample may in no way
+* replace the testing of a product series. Bosch Sensortec assumes
+* no liability for the use of engineering samples.
+* By accepting the engineering samples, the Purchaser agrees to indemnify
+* Bosch Sensortec from all claims arising from the use of engineering
+* samples.
+*
+* Special:
+* This software module (hereinafter called "Software") and any information
+* on application-sheets (hereinafter called "Information") is provided
+* free of charge for the sole purpose to support your application work.
+* The Software and Information is subject to the following
+* terms and conditions:
+*
+* The Software is specifically designed for the exclusive use for
+* Bosch Sensortec products by personnel who have special experience
+* and training. Do not use this Software if you do not have the
+* proper experience or training.
+*
+* This Software package is provided `` as is `` and without any expressed
+* or implied warranties,including without limitation, the implied warranties
+* of merchantability and fitness for a particular purpose.
+*
+* Bosch Sensortec and their representatives and agents deny any liability
+* for the functional impairment
+* of this Software in terms of fitness, performance and safety.
+* Bosch Sensortec and their representatives and agents shall not be liable
+* for any direct or indirect damages or injury, except as
+* otherwise stipulated in mandatory applicable law.
+*
+* The Information provided is believed to be accurate and reliable.
+* Bosch Sensortec assumes no responsibility for the consequences of use
+* of such Information nor for any infringement of patents or
+* other rights of third parties which may result from its use.
+* No license is granted by implication or otherwise under any patent or
+* patent rights of Bosch. Specifications mentioned in the Information are
+* subject to change without notice.
+**************************************************************************/
+/*! \file bma4.h
+    \brief Sensor Driver for BMA4 family of sensors */
+#ifndef BMA4_H__
+#define	BMA4_H__
+
+/*********************************************************************/
+/* header files */
+
+#include "bma4_defs.h"
+#ifdef AKM9916
+#include "aux_akm9916.h"
+#endif
+
+#ifdef BMM150
+#include "aux_bmm150.h"
+#endif
+/*********************************************************************/
+/* (extern) variable declarations */
+
+/*********************************************************************/
+/* function prototype declarations */
+/*!
+ *	@brief This API is the entry point.
+ *	Call this API before using all other APIs.
+ *	This API reads the chip-id of the sensor which is the first step to
+ *	verify the sensor and also it configures the read mechanism of SPI and
+ *	I2C interface.
+ *
+ *	@param[in,out] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ *	@note
+ *	While changing the parameter of the bma4
+ *	consider the following point:
+ *	Changing the reference value of the parameter
+ *	will changes the local copy or local reference
+ *	make sure your changes will not
+ *	affect the reference value of the parameter
+ *	(Better case don't change the reference value of the parameter)
+ */
+uint16_t bma4_init(struct bma4_dev *dev);
+
+/*!
+ *	@brief This API is used to write the binary configuration in the sensor
+ *
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_write_config_file(struct bma4_dev *dev);
+
+/*!
+ *	@brief This API checks whether the write operation requested is for
+ *	feature config or register write and accordingly writes the data in the
+ *	sensor.
+ *
+ *	@note user has to disable the advance power save mode in the sensor when
+ *	using this API in burst write mode.
+ *	bma4_set_advance_power_save(BMA4_DISABLE, dev);
+ *
+ *	@param[in] addr : Register address.
+ *	@param[in] data : Write data buffer
+ *	@param[in] len	: No of bytes to write
+ *	@param[in] dev	: Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma4_write_regs(uint8_t addr, uint8_t *data, uint8_t len, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API checks whether the read operation requested is for
+ *	feature or register read and accordingly reads the data from the sensor.
+ *
+ *	@param[in] addr	: Register address.
+ *	@param[in] data	: Read data buffer.
+ *	@param[in] len	: No of bytes to read.
+ *	@param[in] dev	: Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma4_read_regs(uint8_t addr, uint8_t *data, uint8_t len, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the error status from the sensor.
+ *
+ *	Below table mention the types of error which can occur in the sensor
+ *@verbatim
+ *************************************************************************
+ *        Error           |       Description
+ *************************|***********************************************
+ *                        |       Fatal Error, chip is not in operational
+ *        fatal           |       state (Boot-, power-system).
+ *                        |       This flag will be reset only by
+ *                        |       power-on-reset or soft reset.
+ *************************|***********************************************
+ *        cmd             |       Command execution failed.
+ *************************|***********************************************
+ *                        |       Value        Name       Description
+ *        error_code      |       000        no_error    no error
+ *                        |       001        acc_err      error in
+ *                        |                               ACC_CONF
+ *************************|***********************************************
+ *                        |        Error in FIFO detected: Input data was
+ *        fifo            |        discarded in stream mode. This flag
+ *                        |        will be reset when read.
+ *************************|***********************************************
+ *        mag             |        Error in I2C-Master detected.
+ *                        |        This flag will be reset when read.
+ *************************************************************************
+ *@endverbatim
+ *
+ *	@param[in,out] err_reg : Pointer to structure variable which stores the
+ *	error status read from the sensor.
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma4_get_error_status(struct bma4_err_reg *err_reg, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the sensor status from the dev sensor.
+ *
+ *	Below table lists the sensor status flags
+ *                  Status          |       Description
+ *      ----------------------------|----------------------------------------
+ *      BMA4_MAG_MAN_OP_ONGOING     | Manual Mag. interface operation ongoing
+ *      BMA4_CMD_RDY                | Command decoder is ready.
+ *      BMA4_MAG_DATA_RDY           | Data ready for Mag.
+ *      BMA4_ACC_DATA_RDY           | Data ready for Accel.
+ *
+ *	@param[in] status : Variable used to store the sensor status flags
+ *	which is read from the sensor.
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_status(uint8_t *status, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the Accel data for x,y and z axis from the sensor.
+ *	The data units is in LSB format.
+ *
+ *	@param[in] accel : Variable used to store the Accel data which is read
+ *	from the sensor.
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@note For setting the Accel configuration use the below function
+ *	bma4_set_accel_config
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_read_accel_xyz(struct bma4_accel *accel, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the sensor time of Sensor time gets updated
+ *	with every update of data register or FIFO.
+ *
+ *	@param[in] sensor_time : Pointer variable which stores sensor time
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_sensor_time(uint32_t *sensor_time, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the chip temperature of sensor.
+ *	@note If Accel and Mag are disabled, the temperature value will be set
+ *	to invalid.
+ *
+ *	@param[out] temp : Pointer variable which stores the temperature value.
+ *	@param[in] temp_unit : indicates the unit of temperature
+ *	temp_unit	|	description
+ *  ------------|-------------------
+ *	BMA4_DEG	|	degrees Celsius
+ *	BMA4_FAHREN	|	degrees fahrenheit
+ *	BMA4_KELVIN	|	degrees kelvin
+ *
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@note Using a scaling factor of 1000, to obtain integer values, which
+ *	at the user end, are used to get accurate temperature value.
+ *	BMA4_SCALE_FARHAN = 1.8 * 1000, BMA4_SCALE_KELVIN = 273.15 * 1000
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_temperature(int32_t *temp, uint8_t temp_unit, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the Output data rate, Bandwidth, perf_mode
+ *	and Range of accel.
+ *
+ *	@param[in,out] accel :	Address of user passed structure which is used
+ *	 to store the Accel configurations read from the sensor.
+ *
+ *	@note Enums and corresponding values for structure parameters like
+ *	Odr, Bandwidth and Range are mentioned in the below tables.
+ *
+ *   Value      |        Odr
+ *   -----------|------------------------------------
+ *    1         |     BMA4_OUTPUT_DATA_RATE_0_78HZ
+ *    2         |     BMA4_OUTPUT_DATA_RATE_1_56HZ
+ *    3         |     BMA4_OUTPUT_DATA_RATE_3_12HZ
+ *    4         |     BMA4_OUTPUT_DATA_RATE_6_25HZ
+ *    5         |     BMA4_OUTPUT_DATA_RATE_12_5HZ
+ *    6         |     BMA4_OUTPUT_DATA_RATE_25HZ
+ *    7         |     BMA4_OUTPUT_DATA_RATE_50HZ
+ *    8         |     BMA4_OUTPUT_DATA_RATE_100HZ
+ *    9         |     BMA4_OUTPUT_DATA_RATE_200HZ
+ *    10        |     BMA4_OUTPUT_DATA_RATE_400HZ
+ *    11        |     BMA4_OUTPUT_DATA_RATE_800HZ
+ *    12        |     BMA4_OUTPUT_DATA_RATE_1600HZ
+ *
+ *  Value |  accel_bw
+ *  ------|--------------------------
+ *    0   |  BMA4_ACCEL_OSR4_AVG1
+ *    1   |  BMA4_ACCEL_OSR2_AVG2
+ *    2   |  BMA4_ACCEL_NORMAL_AVG4
+ *    3   |  BMA4_ACCEL_CIC_AVG8
+ *    4   |  BMA4_ACCEL_RES_AVG16
+ *    5   |  BMA4_ACCEL_RES_AVG32
+ *    6   |  BMA4_ACCEL_RES_AVG64
+ *    7   |  BMA4_ACCEL_RES_AVG128
+ *
+ *   Value   | g_range
+ *   --------|---------------------
+ *   0x00    | BMA4_ACCEL_RANGE_2G
+ *   0x01    | BMA4_ACCEL_RANGE_4G
+ *   0x02    | BMA4_ACCEL_RANGE_8G
+ *   0x03    | BMA4_ACCEL_RANGE_16G
+ *
+ *	@param[in] dev : Structure instance of bma4_dev
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_accel_config(struct bma4_accel_config *accel, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the output_data_rate, bandwidth, perf_mode
+ *	and range of Accel.
+ *
+ *	@param[in] accel : Pointer to structure variable which specifies the
+ *	Accel configurations.
+ *
+ *	@note Enums and corresponding values for structure parameters like
+ *	Odr, Bandwidth and Range are mentioned in the below tables.
+ *	Value	|	ODR
+ *	--------|-----------------------------------------
+ *	 1		|	BMA4_OUTPUT_DATA_RATE_0_78HZ
+ *	 2		|	BMA4_OUTPUT_DATA_RATE_1_56HZ
+ *	 3		|	BMA4_OUTPUT_DATA_RATE_3_12HZ
+ *	 4		|	BMA4_OUTPUT_DATA_RATE_6_25HZ
+ *	 5		|	BMA4_OUTPUT_DATA_RATE_12_5HZ
+ *	 6		|	BMA4_OUTPUT_DATA_RATE_25HZ
+ *	 7		|	BMA4_OUTPUT_DATA_RATE_50HZ
+ *	 8		|	BMA4_OUTPUT_DATA_RATE_100HZ
+ *	 9		|	BMA4_OUTPUT_DATA_RATE_200HZ
+ *	 10		|	BMA4_OUTPUT_DATA_RATE_400HZ
+ *	 11		|	BMA4_OUTPUT_DATA_RATE_800HZ
+ *	 12		|	BMA4_OUTPUT_DATA_RATE_1600HZ
+ *
+ *  Value |  accel_bw
+ *  ------|--------------------------
+ *    0   |  BMA4_ACCEL_OSR4_AVG1
+ *    1   |  BMA4_ACCEL_OSR2_AVG2
+ *    2   |  BMA4_ACCEL_NORMAL_AVG4
+ *    3   |  BMA4_ACCEL_CIC_AVG8
+ *    4   |  BMA4_ACCEL_RES_AVG16
+ *    5   |  BMA4_ACCEL_RES_AVG32
+ *    6   |  BMA4_ACCEL_RES_AVG64
+ *    7   |  BMA4_ACCEL_RES_AVG128
+ *
+ *	Value	| g_range
+ *	--------|---------------------
+ *	0x00    | BMA4_ACCEL_RANGE_2G
+ *	0x01    | BMA4_ACCEL_RANGE_4G
+ *	0x02    | BMA4_ACCEL_RANGE_8G
+ *	0x03    | BMA4_ACCEL_RANGE_16G
+ *
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_accel_config(const struct bma4_accel_config *accel, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the advance power save mode in the sensor.
+ *
+ *	@note If advanced power save is enabled and the Accel  and/or
+ *	magnetometer operate in duty cycling mode, the length of the unlatched
+ *	DRDY interrupt pulse is longer than 1/3.2 kHz (312.5 us).
+ *
+ *	@param[in] adv_pwr_save : The value of advance power save mode
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_advance_power_save(uint8_t adv_pwr_save,
+	struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the status of advance power save mode
+ *	from the sensor.
+ *
+ *	@note If the advanced power save is enabled and the Accel  and/or
+ *	magnetometer operate in duty cycling mode, the length of the unlatched
+ *	DRDY interrupt pulse is longer than 1/3.2 kHz (312.5 us).
+ *
+ *	@param[out] adv_pwr_save : The value of advance power save mode
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_advance_power_save(uint8_t *adv_pwr_save, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the FIFO self wake up functionality in the sensor.
+ *
+ *	@note Functionality related to FIFO self wake up depends upon the
+ *	advance power save mode. for more info. refer data sheet.
+ *
+ *	@param[in] fifo_self_wakeup : Variable used to enable or disable
+ *	FIFO self wake up functionality.
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_fifo_self_wakeup(uint8_t fifo_self_wakeup, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API gets the status of FIFO self wake up functionality from
+ *	the sensor.
+ *
+ *	@note Functionality related to FIFO self wake up depends upon the
+ *	advance power save mode. for more info. refer data sheet.
+ *
+ *	@param[out] fifo_self_wake_up : Pointer variable used to store the
+ *	fifo self wake up status.
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_fifo_self_wakeup(uint8_t *fifo_self_wake_up, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API enables or disables the Accel in the sensor.
+ *
+ *	@note Before reading Accel data, user should call this API.
+ *
+ *	@param[in] accel_en : Variable used to enable or disable the  Accel.
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_accel_enable(uint8_t accel_en, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API checks whether Accel is enabled or not in the sensor.
+ *
+ *	@param[out] accel_en : Pointer variable used to store the Accel enable
+ *	status
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_accel_enable(uint8_t *accel_en, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API is used to enable or disable auxiliary Mag
+ *	in the sensor.
+ *
+ *	@note Before reading Mag data, user should call this API.
+ *
+ *	@param[in] mag_en : Variable used to enable or disable the Mag.
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_mag_enable(uint8_t mag_en, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API is used to check whether the auxiliary Mag is enabled
+ *	or not in the sensor.
+ *
+ *	@param[out] mag_en : Pointer variable used to store the enable status of
+ *	Mag in the sensor.
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_mag_enable(uint8_t *mag_en, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the SPI interface mode which is set for primary
+ *	interface.
+ *
+ *	@param[out] spi : Pointer variable which stores the SPI mode selection
+ *	Value	|  Description
+ *	--------|------------------
+ *		0	|  SPI 4-wire mode
+ *		1	|  SPI 3-wire mode
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_spi_interface(uint8_t *spi, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API configures the SPI interface Mode for primary interface
+ *
+ *	@param[in] spi : The value of SPI mode selection
+ *	Value	|  Description
+ *	--------|------------------
+ *		0	|  SPI 4-wire mode
+ *		1	|  SPI 3-wire mode
+ *
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_spi_interface(uint8_t spi, struct bma4_dev *dev);
+
+ /*!
+ *	@brief This API writes the available sensor specific commands
+ *	to the sensor.
+ *
+ *	@param[in] command_reg : The command to write to the command register.
+ *@verbatim
+ *	value   |       Description
+ *  --------|------------------------------------------------------
+ *  0xB6    |       Triggers a soft reset
+ *  0xB0    |       Clears all data in the FIFO, does not change
+ *          |       FIFO_CONFIG and FIFO_DOWNS registers
+ *  0xF0    |       Reset acceleration data path
+ *@endverbatim
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@note Register will always read as 0x00
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_command_register(uint8_t command_reg, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the I2C device address of auxiliary sensor
+ *
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_i2c_device_addr(struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the register access on MAG_IF[2], MAG_IF[3],
+ *	MAG_IF[4] in the sensor. This implies that the DATA registers are
+ *	not updated with Mag values automatically.
+ *
+ *	@param[in] mag_manual : Variable used to specify the Mag manual
+ *	enable status.
+ *	value    |	mag manual
+ *	---------|--------------------
+ *	0x01     |	BMA4_ENABLE
+ *	0x00     |	BMA4_DISABLE
+ *
+ *	@param[out] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_mag_manual_enable(uint8_t mag_manual, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API checks whether the Mag access is done manually or
+ *	automatically in the sensor.
+ *	If the Mag access is done through manual mode then Mag data registers
+ *	in sensor are not updated automatically.
+ *
+ *	@param[out] mag_manual : Mag manual enable value
+ *	value	| mag_manual
+ *	--------|-------------------
+ *	0x01	|	BMA4_ENABLE
+ *	0x00	|	BMA4_DISABLE
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_mag_manual_enable(uint8_t *mag_manual, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the I2C interface configuration(if) mode
+ *	for auxiliary Mag.
+ *
+ *	@param[in] if_mode : The value of interface configuration mode
+ *		Value	|		Description
+ *	------------|-------------------------------------------
+ *		0		|	p_auto_s_off Auxiliary interface:off
+ *		1		|	p_auto_s_mag Auxiliary interface:on
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_aux_if_mode(uint8_t if_mode, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API gets the address of the register of Aux Mag sensor
+ *	where the data to be read.
+ *
+ *	@param[out]  mag_read_addr : Pointer variable used to store the
+ *	mag read address.
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_mag_read_addr(uint8_t *mag_read_addr, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the address of the register of Aux Mag sensor
+ *	where the data to be read.
+ *
+ *	@param[in] mag_read_addr: Value of Mag. read address in order to read
+ *	the data from the auxiliary Mag.
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_mag_read_addr(uint8_t mag_read_addr, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API gets the Aux Mag write address from the sensor.
+ *	Mag write address is where the Mag data will be written.
+ *
+ *	@param[out]  mag_write_addr: Pointer used to store the Mag write address
+ *	which is read from the sensor.
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_mag_write_addr(uint8_t *mag_write_addr, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the Aux Mag write address in the sensor.
+ *	Mag write address is where the Mag data will be written.
+ *
+ *	@param[in]  mag_write_addr: Write address of Mag where the data will
+ *	be written.
+ *	@param[out] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_mag_write_addr(uint8_t mag_write_addr, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the data from the sensor which is written to the
+ *	Mag.
+ *
+ *	@param[out]  mag_write_data: Pointer variable which stores the
+ *	data which is written in Mag through sensor.
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_mag_write_data(uint8_t *mag_write_data, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the data in the sensor which in turn will
+ *	be written to Mag.
+ *
+ *	@param[in]  mag_write_data: variable which specify the data which is to
+ *	be written in Mag.
+ *	@param[out] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_mag_write_data(uint8_t mag_write_data, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the x,y,z and r axis data from the auxiliary
+ *	Mag BMM150/AKM9916 sensor.
+ *
+ *	@param[out] mag : Pointer variable to store the auxiliary Mag x,y,z
+ *	and r axis data read from the sensor.
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_read_mag_xyzr(struct bma4_mag_xyzr *mag, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the burst data length (1,2,6,8 byte) of auxiliary
+ *	Mag sensor.
+ *
+ *  @param[in] mag_burst : Variable used to specify the Mag burst read length
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_mag_burst(uint8_t mag_burst, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the burst data length of Mag set in the sensor.
+ *
+ *	@param[out] mag_burst : Pointer variable used to store the burst length
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_mag_burst(uint8_t *mag_burst, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the FIFO data of Accel and/or Mag sensor
+ *
+ *	@param dev  : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_read_fifo_data(struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the FIFO water mark level which is set
+ *	in the sensor.
+ *
+ *	@note The FIFO watermark is issued when the FIFO fill level is
+ *	equal or above the watermark level.
+ *
+ *	@param[out]  fifo_wm : Pointer variable to store FIFO water mark level
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_fifo_wm(uint16_t *fifo_wm, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the FIFO watermark level in the sensor.
+ *
+ *	@note The FIFO watermark is issued when the FIFO fill level is
+ *	equal or above the watermark level.
+ *
+ *	@param[in]  fifo_wm : Variable used to set the FIFO water mark level
+ *	@param[out] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_fifo_wm(uint16_t fifo_wm, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API checks whether the Accel FIFO data is set for filtered
+ *	or unfiltered mode.
+ *
+ *	@param[out] accel_fifo_filter : Variable used to check whether the Accel
+ *	data is filtered or unfiltered.
+ *  Value    |  accel_fifo_filter
+ *  ---------|-------------------------
+ *  0x00     |  Unfiltered data
+ *  0x01     |  Filtered data
+ *	@param[in] dev : structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_accel_fifo_filter_data(uint8_t *accel_fifo_filter, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the condition of Accel FIFO data either to
+ *	filtered or unfiltered mode.
+ *
+ *	@param[in] accel_fifo_filter : Variable used to set the filtered or
+ *	unfiltered condition of Accel FIFO data.
+ *  value      |  accel_fifo_filter_data
+ *  -----------|-------------------------
+ *    0x00     |  Unfiltered data
+ *    0x01     |  Filtered data
+ *	@param[out] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_accel_fifo_filter_data(uint8_t accel_fifo_filter, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the down sampling rates which is configured
+ *	for Accel FIFO data.
+ *
+ *	@param[out] fifo_down : Variable used to specify the Accel FIFO
+ *	down-sampling rates
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_fifo_down_accel(uint8_t *fifo_down, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the down-sampling rates for Accel FIFO.
+ *
+ *	@param[in] fifo_down : Variable used to specify the Accel FIFO
+ *	down-sampling rates.
+ *	@param[in] dev : structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_fifo_down_accel(uint8_t fifo_down, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the length of FIFO data available in the sensor
+ *	in the units of bytes.
+ *
+ *	@note This byte counter is updated each time a complete frame was read
+ *	or written
+ *
+ *	@param[in] fifo_length : Pointer variable used to store the value of
+ *	fifo byte counter
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_fifo_length(uint16_t *fifo_length, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API aligns and compensates the Mag data of BMM150/AKM9916
+ *	sensor.
+ *
+ *  @param[in] mag_fifo_data: Structure object which stores the Mag x,yand z
+ *	axis FIFO data which is to be aligned and/or compensated.
+ *	@param[in] mag_second_if: Variable used to select the Mag sensor.
+ *  Value   |   mag_second_if
+ *  --------|----------------------
+ *    1     |   BMA4_SEC_IF_BMM150
+ *    2     |   BMA4_SEC_IF_AKM09916
+ *
+ *	@param[out] compensated_mag_data: Pointer variable used to store the
+ *	compensated Mag xyz axis data
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_second_if_mag_compensate_xyz(struct bma4_mag_fifo_data mag_fifo_data,
+							uint8_t mag_second_if,
+							struct bma4_mag *compensated_mag_data);
+
+/*!
+ *	@brief This API reads Mag. x,y and z axis data from either BMM150 or
+ *	AKM9916 sensor
+ *
+ *  @param[out] mag : Structure pointer used to store the Mag x,y, and z axis
+ *	data read from the sensor.
+ *
+ *	@param[in] sensor_select : Variable used to select the Mag sensor
+ *  Value    |   Sensor
+ *  ---------|----------------------
+ *   0       | BMA4_SEC_IF_NULL
+ *   1       | BMA4_SEC_IF_BMM150
+ *   2       | BMA4_SEC_IF_AKM09916
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_read_mag_xyz(struct bma4_mag *mag, uint8_t sensor_select, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the auxiliary I2C interface configuration which
+ *	is set in the sensor.
+ *
+ *	@param[out]  if_mode : Pointer variable used to store the auxiliary
+ *	interface configuration.
+ *	Value |  Description
+ *	----- |----------------------------------
+ *	0x00  |  auxiliary interface:off
+ *	0x01  |  auxiliary interface:on
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_if_mode(uint8_t *if_mode, struct bma4_dev *dev);
+
+/*!
+ *  @brief This API sets the auxiliary interface configuration in the sensor.
+ *
+ *	@param[in]  if_mode : Variable used to select the auxiliary interface
+ *	configuration.
+ *	Value |  Description
+ *	----- |--------------------------
+ *	0x00  |  auxiliary interface:off
+ *	0x01  |  auxiliary interface:on
+ *
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_if_mode(uint8_t if_mode, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the data ready status of Accel from the sensor.
+ *	@note The status get reset when Accel data register is read.
+ *
+ *	@param[out] data_rdy : Pointer variable to store the data ready  status
+ *	@param[in] dev : structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_accel_data_rdy(uint8_t *data_rdy, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the data ready status of Mag from the sensor.
+ *	The status get reset when Mag data register is read.
+ *
+ *	@param[out] data_rdy : Pointer variable to store the data ready status
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_mag_data_rdy(uint8_t *data_rdy, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the ASIC status from the sensor.
+ *	The status information is mentioned in the below table.
+ *
+ *@verbatim
+ *******************************************************************************
+ *       Status            |  Description
+ **************************|****************************************************
+ *      sleep              |  ASIC is in sleep/halt state.
+ *      irq_ovrn           |  Dedicated interrupt is set again before previous
+ *                         |  interrupt was acknowledged.
+ *      wc_event           |  Watchcell event detected (ASIC stopped).
+ *  stream_transfer_active | stream transfer has started.
+ *******************************************************************************
+ *@endverbatim
+ *
+ *	@param[out] asic_status : Structure pointer used to store the ASIC
+ *	status read from the sensor.
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_asic_status(struct bma4_asic_status *asic_status, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API enables the offset compensation for filtered and
+ *	unfiltered  Accel data.
+ *
+ *	@param[in] offset_en : Variable used to enable or disable offset
+ *	compensation
+ *	offset_en	|  Description
+ *	------------|----------------------
+ *		0		| BMA4_DISABLE
+ *		1		| BMA4_ENABLE
+ *
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_offset_comp(uint8_t offset_en, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API gets the status of Accel offset compensation
+ *
+ *	@param[out] offset_en : Pointer variable used to store the Accel offset
+ *	enable or disable status.
+ *  offset_en |  Description
+ *  ----------|--------------
+ *		0     | BMA4_DISABLE
+ *		1     | BMA4_ENABLE
+ *
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_offset_comp(uint8_t *offset_en, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API parses and extracts the accelerometer frames from
+ *	FIFO data read by the "bma4_read_fifo_data" API and stores it in the
+ *	"accel_data" structure instance.
+ *
+ *	@note The bma4_extract_accel API should be called only after reading
+ *	the FIFO data by calling the bma4_read_fifo_data() API
+ *
+ *	@param[in,out] accel_data   : Structure instance of bma4_accel where
+ *   the accelerometer data in FIFO is stored.
+ *	@param[in,out] accel_length : Number of accelerometer frames
+ *   (x,y,z axes data)
+ *	@param[in,out] dev          : Structure instance of bma4_dev.
+ *
+ *	@note accel_length has the number of accelerometer frames
+ *	(1 accel frame   = 6 bytes) which the user needs to extract and store is
+ *	provided as input parameter by the user and the Number of valid
+ *	accelerometer frames extracted and stored is updated in
+ *	"accel_length" at the end of execution of this API.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_extract_accel(struct bma4_accel *accel_data, uint16_t *accel_length, const struct bma4_dev *dev);
+
+/*!
+ *	@brief This API parses and extracts the magnetometer frames from
+ *	FIFO data read by the "bma4_read_fifo_data" API and stores it in the
+ *	"mag_data" structure instance parameter of this API
+ *
+ *	@note The bma4_extract_mag API should be called only after reading
+ *	the FIFO data by calling the bma4_read_fifo_data() API
+ *
+ *	@param[in,out] mag_data   : Structure instance of bma4_mag_xyzr where
+ *	the magnetometer data in FIFO is stored.
+ *	@param[in,out] mag_length : Number of magnetometer frames (x,y,z,r data)
+ *	@param[in,out] dev        : Structure instance of bma4_dev.
+ *
+ *	@note mag_length has the number of magnetometer frames(x,y,z,r data)
+ *	(1 mag frame = 8 bytes) which the user needs to extract and store,It is
+ *	provided as input parameter by the user and the number of valid
+ *	magnetometer frames extracted and stored is updated in
+ *	"mag_length" at the end of execution of this API.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_extract_mag(struct bma4_mag *mag_data, uint16_t *mag_length, const struct bma4_dev *dev);
+
+/*!
+ *	@brief This API performs Fast Offset Compensation for Accel.
+ *	@param[in] accel_g_value : Array which stores the Accel g units
+ *	for x,y and z axis.
+ *      accel_g_value             |     Description
+ *      --------------------------|---------------------------------------
+ *      accel_g_value[0]          |   x axis g units
+ *      accel_g_value[1]          |   y axis g units
+ *      accel_g_value[2]          |   z axis g units
+ *
+ *  @param[in] dev : structure instance of dev
+ *
+ *  @note The g-values to be passed to the parameter should be
+ *	multiples of 1000000.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_perform_accel_foc(const int32_t accel_g_value[3], struct bma4_dev *dev);
+/*!
+ *	@brief This API checks whether the self test functionality of the sensor
+ *	is working or not
+ *
+ *  @param[in] result : Pointer variable used to store the result of self test
+ *	operation
+ *  result   |  Description
+ *	---------|--------------------
+ *  0x00     | BMA4_SELFTEST_PASS
+ *  0x01     | BMA4_SELFTEST_FAIL
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return results of self test
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_perform_accel_selftest(uint8_t *result, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API performs the steps needed for Self test operation
+ *	before reading the Accel Self test data.
+ *
+ *	@param[in] sign: Variable used to specify the self test sign
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return results of self test
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_selftest_config(uint8_t sign, struct bma4_dev *dev);
+
+/*!
+ *	@brief API sets the interrupt to either interrupt1 or
+ *	interrupt2 pin in the sensor.
+ *
+ *	@param[in] int_line: Variable used to select interrupt pin1 or pin2
+ *  int_line | interrupt selection
+ *  ---------|-------------------
+ *   0       | BMA4_INTR1_MAP
+ *   1       | BMA4_INTR2_MAP
+ *
+ *	@param[in] int_map: Variable used to select a particular interrupt
+ *      in the sensor
+ *
+ *	@param[in] enable : Variable used to enable or disable the interrupt
+ *  Value    | Behaviour
+ *	---------|-------------------
+ *  0x01     |  BMA4_ENABLE
+ *  0x00     |  BMA4_DISABLE
+ *
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_map_interrupt(uint8_t int_line, uint16_t int_map, uint8_t enable, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the interrupt mode in the sensor.
+ *
+ *	@param[in] mode: Variable used to specify the interrupt mode which
+ *  is to be set in the sensor.
+ *  Mode                    |  Value
+ *  ----------------------- |---------
+ *  BMA4_NON_LATCH_MODE     |  0
+ *  BMA4_LATCH_MODE         |  1
+ *
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return status of bus communication function
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_interrupt_mode(uint8_t mode, struct bma4_dev *dev);
+
+/*!
+ *  @brief This API gets the interrupt mode which is set in the sensor.
+ *
+ *  @param[out] mode: Pointer variable used to store the interrupt mode set in
+ *  in the sensor.
+ *  Mode				 |    Value
+ *  ---------------------|---------------
+ *  BMA4_NON_LATCH_MODE  |     0
+ *  BMA4_LATCH_MODE      |     1
+ *
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return status of bus communication function
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_interrupt_mode(uint8_t *mode, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the auxiliary Mag(BMM150 or AKM9916) output data
+ *	rate and offset.
+ *
+ *	@param[in]	aux_mag : Pointer to structure variable used to specify
+ *	the auxiliary Mag configuration.
+ *@verbatim
+ *------------------------------------------------------------------------------
+ *            Odr                         |        Value
+ *----------------------------------------|---------------------------------
+ *    BMA4_OUTPUT_DATA_RATE_0_78HZ        |        0x01
+ *    BMA4_OUTPUT_DATA_RATE_1_56HZ        |        0x02
+ *    BMA4_OUTPUT_DATA_RATE_3_12HZ        |        0x03
+ *    BMA4_OUTPUT_DATA_RATE_6_25HZ        |        0x04
+ *    BMA4_OUTPUT_DATA_RATE_12_5HZ        |        0x05
+ *    BMA4_OUTPUT_DATA_RATE_25HZ          |        0x06
+ *    BMA4_OUTPUT_DATA_RATE_50HZ          |        0x07
+ *    BMA4_OUTPUT_DATA_RATE_100HZ         |        0x08
+ *    BMA4_OUTPUT_DATA_RATE_200HZ         |        0x09
+ *    BMA4_OUTPUT_DATA_RATE_400HZ         |        0x0A
+ *    BMA4_OUTPUT_DATA_RATE_800HZ         |        0x0B
+ *    BMA4_OUTPUT_DATA_RATE_1600HZ        |        0x0C
+ *------------------------------------------------------------------------------
+ *              Offset                        |        Value
+ *--------------------------------------------|---------------------------------
+ *      BMA4_MAG_OFFSET_MAX                   |        0x00
+ *--------------------------------------------|---------------------------------
+ @endverbatim
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return status of bus communication function
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_aux_mag_config(const struct bma4_aux_mag_config *aux_mag, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the auxiliary Mag(BMM150 or AKM9916) output data
+ *	rate and offset.
+ *	@note : Valid output data rates are mentioned in the below table
+ *
+ *  @param[out] aux_mag : Pointer to structure variable used to store the
+ *	auxiliary Mag configuration read from the sensor
+ *@verbatim
+ *------------------------------------------------------------------------
+ *            Odr                         |        Value
+ *----------------------------------------|-------------------------------
+ *    BMA4_OUTPUT_DATA_RATE_0_78HZ        |        0x01
+ *    BMA4_OUTPUT_DATA_RATE_1_56HZ        |        0x02
+ *    BMA4_OUTPUT_DATA_RATE_3_12HZ        |        0x03
+ *    BMA4_OUTPUT_DATA_RATE_6_25HZ        |        0x04
+ *    BMA4_OUTPUT_DATA_RATE_12_5HZ        |        0x05
+ *    BMA4_OUTPUT_DATA_RATE_25HZ          |        0x06
+ *    BMA4_OUTPUT_DATA_RATE_50HZ          |        0x07
+ *    BMA4_OUTPUT_DATA_RATE_100HZ         |        0x08
+ *    BMA4_OUTPUT_DATA_RATE_200HZ         |        0x09
+ *    BMA4_OUTPUT_DATA_RATE_400HZ         |        0x0A
+ *    BMA4_OUTPUT_DATA_RATE_800HZ         |        0x0B
+ *    BMA4_OUTPUT_DATA_RATE_1600HZ        |        0x0C
+ *-------------------------------------------------------------------------
+ *              Offset                    |        Value
+ *----------------------------------------|--------------------------------
+ *      BMA4_MAG_OFFSET_MAX               |        0x00
+ *-------------------------------------------------------------------------
+ @endverbatim
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return status of bus communication function
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_aux_mag_config(struct bma4_aux_mag_config *aux_mag, struct bma4_dev *dev);
+
+/*!	@brief This API sets the FIFO configuration in the sensor.
+ *
+ *	@param[in] config : Enum variable used to specify the FIFO
+ *	configurations which are to be enabled or disabled in the sensor.
+ *
+ *	@note : User can set either one or more or all FIFO configurations
+ *	by ORing the below mentioned enums.
+ *      config					|	Value
+ *      ------------------------|---------------------------
+ *      BMA4_FIFO_STOP_ON_FULL	|	0x01
+ *      BMA4_FIFO_TIME			|	0x02
+ *      BMA4_FIFO_TAG_INTR2		|	0x04
+ *      BMA4_FIFO_TAG_INTR1		|	0x08
+ *      BMA4_FIFO_HEADER		|	0x10
+ *      BMA4_FIFO_MAG			|	0x20
+ *      BMA4_FIFO_ACCEL			|	0x40
+ *      BMA4_FIFO_ALL			|	0x7F
+ *
+ *	@param[in] enable : Parameter used to enable or disable the above
+ *	FIFO configuration
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return status of bus communication result
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_set_fifo_config(uint8_t config, uint8_t enable, struct bma4_dev *dev);
+
+/*!	@brief This API reads the FIFO configuration from the sensor.
+ *
+ *	@param[in] fifo_config : Enum variable used to get the below fifo
+ *	configuration from the sensor.
+ *
+ *	@note After calling this function user should do the AND operation with
+ *	the enum value populated by this function to know which FIFO
+ *	configuration is enabled.
+ *      fifo_config              |      Value
+ *      -------------------------|--------------------------
+ *      BMA4_FIFO_STOP_ON_FULL   |       0x01
+ *      BMA4_FIFO_TIME           |       0x02
+ *      BMA4_FIFO_TAG_INTR2      |       0x04
+ *      BMA4_FIFO_TAG_INTR1      |       0x08
+ *      BMA4_FIFO_HEADER         |       0x10
+ *      BMA4_FIFO_MAG            |       0x20
+ *      BMA4_FIFO_ACCEL          |       0x40
+ *      BMA4_FIFO_ALL            |       0x7F
+ *
+ *
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return status of bus communication function
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_fifo_config(uint8_t *fifo_config, struct bma4_dev *dev);
+
+/*! @brief This function sets the electrical behaviour of interrupt pin1 or
+ *  pin2 in the sensor.
+ *
+ *  @param[in] int_pin_config : Pointer to structure variable which specifies
+ *  the configuration data of either interrupt pin1 or 2.
+ *@verbatim
+ * ************************************************************************
+ *  Structure field members        |        Macros
+ * ********************************|***************************************
+ *         edge_ctrl               |        BMA4_LEVEL_TRIGGER(0)
+ *                                 |        BMA4_EDGE_TRIGGER(1)
+ * ********************************|***************************************
+ *         lvl                     |        BMA4_ACTIVE_LOW(0)
+ *                                 |        BMA4_ACTIVE_HIGH(1)
+ * ********************************|***************************************
+ *         od                      |        BMA4_PUSH_PULL(0)
+ *                                 |        BMA4_OPEN_DRAIN(1)
+ * ********************************|***************************************
+ *         output_en               |        BMA4_OUTPUT_DISABLE(0)
+ *                                 |        BMA4_OUTPUT_ENABLE(1)
+ * ********************************|***************************************
+ *         input_en                |        BMA4_INPUT_DISABLE(0)
+ *                                 |        BMA4_INPUT_ENABLE(1)
+ * ************************************************************************
+ *@endverbatim
+ *  @param[in] int_line	: Variable used to select the interrupt pin1 or
+ *  pin2 for interrupt configuration.
+ *      int_line        |    Value
+ *      ----------------|----------------------
+ *      BMA4_INTR1_MAP  |	0
+ *      BMA4_INTR2_MAP  |	1
+ *
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return status of bus communication function
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma4_set_int_pin_config(const struct bma4_int_pin_config *int_pin_config, uint8_t int_line,
+		struct bma4_dev *dev);
+
+/*! @brief This API reads the electrical behavior of interrupt pin1 or pin2
+ *  from the sensor.
+ *
+ *  @param[out] int_pin_config : Pointer to structure variable which stores the
+ *  configuration data of either interrupt pin1 or pin2 read from the sensor
+ *@verbatim
+ * ************************************************************************
+ * Structure field members |        Macros
+ * ************************|***********************************************
+ * edge_ctrl               |        BMA4_LEVEL_TRIGGER(0)
+ *                         |        BMA4_EDGE_TRIGGER(1)
+ * ************************|***********************************************
+ * lvl                     |        BMA4_ACTIVE_LOW(0)
+ *                         |        BMA4_ACTIVE_HIGH(1)
+ * ************************|***********************************************
+ * od                      |        BMA4_PUSH_PULL(0)
+ *                         |        BMA4_OPEN_DRAIN(1)
+ * ************************|***********************************************
+ * output_en               |        BMA4_OUTPUT_DISABLE(0)
+ *                         |        BMA4_OUTPUT_ENABLE(1)
+ * ************************|***********************************************
+ * input_en                |        BMA4_INPUT_DISABLE(0)
+ *                         |        BMA4_INPUT_ENABLE(1)
+ * ************************************************************************
+ *@endverbatim
+ *	@param[in] int_line : Variable used to select the interrupt pin1 or
+ *	pin2 for interrupt configuration.
+ *       int_line          | Value
+ *      -------------------|---------------
+ *      BMA4_INTR1_MAP     |   0
+ *      BMA4_INTR2_MAP     |   1
+ *
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return status of bus communication function
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_get_int_pin_config(struct bma4_int_pin_config *int_pin_config, uint8_t int_line, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the Feature and Hardware interrupt status from the sensor.
+ *
+ *	@param[out] int_status : Variable used to get the interrupt status.
+ *	@param[in] dev       : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_read_int_status(uint16_t *int_status, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the Feature interrupt status from the sensor.
+ *
+ *	@param[out] int_status_0 : Variable used to get the interrupt status.
+ *	@param[in] dev       : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_read_int_status_0(uint8_t *int_status_0, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the Hardware interrupt status from the sensor.
+ *
+ *	@param[out] int_status_1 : Variable used to get the interrupt status.
+ *	@param[in] dev       : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_read_int_status_1(uint8_t *int_status_1, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API initializes the auxiliary interface to access
+ *			auxiliary sensor
+ *
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_aux_interface_init(struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the data from the auxiliary sensor
+ *
+ *	@param[in]	dev : Structure instance of bma4_dev.
+ *	@param[in]	len : User specified data length
+ *	@param[out]	aux_data : Pointer variable to store data read
+ *	@param[in]	aux_reg_addr : Variable to pass address from where
+ *								data is to be read
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_aux_read(uint8_t aux_reg_addr, uint8_t *aux_data, uint16_t len, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API writes the data into the auxiliary sensor
+ *
+ *	@param[in]	dev : Structure instance of bma4_dev.
+ *	@param[in]	len : User specified data length
+ *	@param[out]	aux_data : Pointer variable to store data read
+ *	@param[in]	aux_reg_addr : Variable to pass address from where
+ *								data is to be written
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ *
+ */
+uint16_t bma4_aux_write(uint8_t aux_reg_addr, uint8_t *aux_data, uint16_t len, struct bma4_dev *dev);
+
+
+#endif
+/* End of __BMA4_H__ */
diff --git a/lib/libesp32/TTGO_TWatch_Library/src/bma423.c b/lib/libesp32_div/TTGO_TWatch_Library/src/bma423.c
old mode 100755
new mode 100644
similarity index 97%
rename from lib/libesp32/TTGO_TWatch_Library/src/bma423.c
rename to lib/libesp32_div/TTGO_TWatch_Library/src/bma423.c
index 3d5d9c63c..2f8024085
--- a/lib/libesp32/TTGO_TWatch_Library/src/bma423.c
+++ b/lib/libesp32_div/TTGO_TWatch_Library/src/bma423.c
@@ -1,1695 +1,1695 @@
-/**\mainpage
-*
-****************************************************************************
-* Copyright (C) 2017 - 2018 Bosch Sensortec GmbH
-*
-* File : bma423.c
-*
-* Date: 12 Oct 2017
-*
-* Revision : 1.1.4 $
-*
-* Usage: Sensor Driver for BMA423 sensor
-*
-****************************************************************************
-*
-* \section Disclaimer
-*
-* Common:
-* Bosch Sensortec products are developed for the consumer goods industry.
-* They may only be used within the parameters of the respective valid
-* product data sheet.  Bosch Sensortec products are provided with the
-* express understanding that there is no warranty of fitness for a
-* particular purpose.They are not fit for use in life-sustaining,
-* safety or security sensitive systems or any system or device
-* that may lead to bodily harm or property damage if the system
-* or device malfunctions. In addition,Bosch Sensortec products are
-* not fit for use in products which interact with motor vehicle systems.
-* The resale and or use of products are at the purchasers own risk and
-* his own responsibility. The examination of fitness for the intended use
-* is the sole responsibility of the Purchaser.
-*
-* The purchaser shall indemnify Bosch Sensortec from all third party
-* claims, including any claims for incidental, or consequential damages,
-* arising from any product use not covered by the parameters of
-* the respective valid product data sheet or not approved by
-* Bosch Sensortec and reimburse Bosch Sensortec for all costs in
-* connection with such claims.
-*
-* The purchaser must monitor the market for the purchased products,
-* particularly with regard to product safety and inform Bosch Sensortec
-* without delay of all security relevant incidents.
-*
-* Engineering Samples are marked with an asterisk (*) or (e).
-* Samples may vary from the valid technical specifications of the product
-* series. They are therefore not intended or fit for resale to third
-* parties or for use in end products. Their sole purpose is internal
-* client testing. The testing of an engineering sample may in no way
-* replace the testing of a product series. Bosch Sensortec assumes
-* no liability for the use of engineering samples.
-* By accepting the engineering samples, the Purchaser agrees to indemnify
-* Bosch Sensortec from all claims arising from the use of engineering
-* samples.
-*
-* Special:
-* This software module (hereinafter called "Software") and any information
-* on application-sheets (hereinafter called "Information") is provided
-* free of charge for the sole purpose to support your application work.
-* The Software and Information is subject to the following
-* terms and conditions:
-*
-* The Software is specifically designed for the exclusive use for
-* Bosch Sensortec products by personnel who have special experience
-* and training. Do not use this Software if you do not have the
-* proper experience or training.
-*
-* This Software package is provided `` as is `` and without any expressed
-* or implied warranties,including without limitation, the implied warranties
-* of merchantability and fitness for a particular purpose.
-*
-* Bosch Sensortec and their representatives and agents deny any liability
-* for the functional impairment
-* of this Software in terms of fitness, performance and safety.
-* Bosch Sensortec and their representatives and agents shall not be liable
-* for any direct or indirect damages or injury, except as
-* otherwise stipulated in mandatory applicable law.
-*
-* The Information provided is believed to be accurate and reliable.
-* Bosch Sensortec assumes no responsibility for the consequences of use
-* of such Information nor for any infringement of patents or
-* other rights of third parties which may result from its use.
-* No license is granted by implication or otherwise under any patent or
-* patent rights of Bosch. Specifications mentioned in the Information are
-* subject to change without notice.
-**************************************************************************/
-/*! \file bma423.c
-    \brief Sensor Driver for BMA423 sensor */
-
-#include "bma423.h"
-
-/**\name Feature configuration file */
-const uint8_t bma423_config_file[] = {
-		0x80, 0x2e, 0xfc, 0x00, 0x80, 0x2e, 0xfe, 0x00, 0xc8, 0x2e, 0x00, 0x2e,
-		0x80, 0x2e, 0xfa, 0x00, 0x80, 0x2e, 0x23, 0xb1, 0x80, 0x2e, 0xfd, 0x00,
-		0x80, 0x2e, 0xfb, 0x00, 0x80, 0x2e, 0x5a, 0xb1, 0x50, 0x39, 0x21, 0x2e,
-		0xb0, 0xf0, 0x10, 0x30, 0x21, 0x2e, 0x16, 0xf0, 0x80, 0x2e, 0xfc, 0x01,
-		0x5d, 0x50, 0x45, 0x52, 0x01, 0x42, 0x3b, 0x80, 0x41, 0x30, 0x01, 0x42,
-		0x3c, 0x80, 0x00, 0x2e, 0x01, 0x40, 0x01, 0x42, 0x21, 0x2e, 0xff, 0xaf,
-		0xb8, 0x2e, 0xb6, 0xd6, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0xfd, 0x2d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0xf8, 0x00, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x49, 0x00, 0x24, 0x01, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x98, 0x2e,
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-		0x10, 0x30, 0x21, 0x2e, 0x59, 0xf0, 0x98, 0x2e, 0xd8, 0x00, 0x00, 0x2e,
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-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
-		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00
-};
-
-/***************************************************************************/
-/*!	Static Function Declarations
-****************************************************************************/
-/*!
- *	@brief This API update the length for read and write.
- *
- *	@param[in] len : Length for read and write
- *	@param[in] feature : Variable to specify the features
- *	which are to be set in the sensor.
- *	@param[in] enable : Variable which specifies whether to enable or
- *	disable the features in the bma455 sensor.
- *		enable	|	Macros
- *	----------------|-------------------
- *		0x01	|	BMA4_EN
- *		0x00	|	BMA4_DIS
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return none
- */
-static void update_len(uint8_t *len, uint8_t feature, uint8_t enable);
-
-/*!
- *	@brief This API enables the features of sensor.
- *
- *	@param[in] feature : Variable to specify the features
- *	which are to be set in the sensor.
- *	@param[in] len : length to read and write
- *	@param[in] feature_config : Array address which stores the feature
- *	configuration data
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any positive value mentioned in ERROR CODES -> Fail
- */
-static uint16_t feature_enable(uint8_t feature, uint8_t len, uint8_t *feature_config, struct bma4_dev *dev);
-
-/*!
- *	@brief This API disables the features of sensor.
- *
- *	@param[in] feature : Variable to specify the features
- *	which are to be unset in the sensor.
- *	@param[in] len : length to read and write
- *	@param[in] feature_config : Array address which stores the feature
- *	configuration data
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any positive value mentioned in ERROR CODES -> Fail
- */
-static uint16_t feature_disable(uint8_t feature, uint8_t len, uint8_t *feature_config, struct bma4_dev *dev);
-
-/*!
- *  @brief This API update the settings of step counter into write array.
- *
- *  @param[in] setting : Pointer to structure variable which stores the
- *  settings parameter1 to parameter25.
- *  @param[in] index : value for array traversing.
- *  @param[out] feature_config   : Pointer to store the settings
- *
- *  @return none
- */
-static void update_stepcounter_parameter(const struct bma423_stepcounter_settings *setting,
-					uint8_t index, uint8_t *feature_config);
-/*!
- *  @brief This API copy the settings of step counter into the
- *  structure of bma423_stepcounter_settings, which is read from sensor.
- *
- *  @param[out] setting : Pointer to structure variable which stores the
- *  settings parameter1 to parameter25 read from sensor.
- *  @param[in] data_p : Pointer of array which stores the parameters.
- *
- *  @return none
- */
-static void extract_stepcounter_parameter(struct bma423_stepcounter_settings *setting, const uint16_t *data_p);
-
-/***************************************************************************/
-/**\name		Function definitions
-****************************************************************************/
-
-/*!
- *	@brief This API is the entry point.
- *	Call this API before using all other APIs.
- *	This API reads the chip-id of the sensor and sets the resolution.
- */
-#include <stdio.h>
-uint16_t bma423_init(struct bma4_dev *dev)
-{
-	uint16_t rslt;
-
-	rslt = bma4_init(dev);
-
-	if (rslt == BMA4_OK) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			/* Resolution of BMA423 sensor is 12 bit */
-			dev->resolution = 12;
-			dev->feature_len = BMA423_FEATURE_SIZE;
-			dev->variant = BMA42X_VARIANT;
-		} else {
-			rslt |= BMA4_E_INVALID_SENSOR;
-		}
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API is used to upload the config file to enable
- *	the features of the sensor.
- */
-uint16_t bma423_write_config_file(struct bma4_dev *dev)
-{
-	uint16_t rslt = BMA4_OK;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			/* Config. stream read/write length boundary check */
-			if ((dev->read_write_len >= BMA423_RD_WR_MIN_LEN) &&
-				(dev->read_write_len <= BMA423_FEATURE_SIZE)) {
-				/* Even or odd check */
-				if ((dev->read_write_len % 2) != 0)
-					dev->read_write_len = dev->read_write_len - 1;
-				/*Assign stream data */
-				dev->config_file_ptr = bma423_config_file;
-				rslt = bma4_write_config_file(dev);
-			} else {
-				rslt = BMA4_E_RD_WR_LENGTH_INVALID;
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-	return rslt;
-}
-
-/*!
- *	@brief This API is used to get the configuration id of the sensor.
- */
-uint16_t bma423_get_config_id(uint16_t *config_id, struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
-	uint8_t index = BMA423_CONFIG_ID_OFFSET;
-	uint16_t rslt = BMA4_OK;
-	uint16_t config_id_lsb = 0;
-	uint16_t config_id_msb = 0;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
-			if (rslt == BMA4_OK) {
-				config_id_lsb = (uint16_t)feature_config[index];
-				config_id_msb = ((uint16_t)feature_config[index + 1]) << 8;
-				*config_id = config_id_lsb | config_id_msb;
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API sets/unsets the user provided interrupt to either
- *	interrupt pin1 or pin2 in the sensor.
- */
-uint16_t bma423_map_interrupt(uint8_t int_line, uint16_t int_map, uint8_t enable, struct bma4_dev *dev)
-{
-	uint16_t rslt = BMA4_OK;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			if (int_line <= 1) {
-				/* Map/Unmap the interrupt */
-				rslt = bma4_map_interrupt(int_line, int_map, enable, dev);
-			} else {
-				rslt = BMA4_E_INT_LINE_INVALID;
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API reads the bma423 interrupt status from the sensor.
- */
-uint16_t bma423_read_int_status(uint16_t *int_status, struct bma4_dev *dev)
-{
-	uint16_t rslt = BMA4_OK;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			/* Read the interrupt status */
-			rslt = bma4_read_int_status(int_status, dev);
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API enables/disables the features of the sensor.
- */
-uint16_t bma423_feature_enable(uint8_t feature, uint8_t enable, struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
-	uint16_t rslt = BMA4_OK;
-	uint8_t len;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			/* Update the length for read and write */
-			update_len(&len, feature, enable);
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, len, dev);
-			if (rslt == BMA4_OK) {
-				if (enable == TRUE) {
-					/* Enables the feature */
-					rslt |= feature_enable(feature, len, feature_config, dev);
-				} else {
-					/* Disables the feature */
-					rslt |= feature_disable(feature, len, feature_config, dev);
-				}
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API performs x, y and z axis remapping in the sensor.
- */
-uint16_t bma423_set_remap_axes(const struct bma423_axes_remap *remap_data, struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
-	uint8_t index = BMA423_AXES_REMAP_OFFSET;
-	uint16_t rslt = BMA4_OK;
-	uint8_t x_axis = 0;
-	uint8_t x_axis_sign = 0;
-	uint8_t y_axis = 0;
-	uint8_t y_axis_sign = 0;
-	uint8_t z_axis = 0;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
-			if (rslt == BMA4_OK) {
-				x_axis = remap_data->x_axis & BMA423_X_AXIS_MASK;
-				x_axis_sign = (remap_data->x_axis_sign << 2) & BMA423_X_AXIS_SIGN_MASK;
-				y_axis = (remap_data->y_axis << 3) & BMA423_Y_AXIS_MASK;
-				y_axis_sign = (remap_data->y_axis_sign << 5) & BMA423_Y_AXIS_SIGN_MASK;
-				z_axis = (remap_data->z_axis << 6) & BMA423_Z_AXIS_MASK;
-				feature_config[index] = x_axis | x_axis_sign | y_axis | y_axis_sign | z_axis;
-				feature_config[index + 1] = remap_data->z_axis_sign & BMA423_Z_AXIS_SIGN_MASK;
-				rslt |= bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-							BMA423_FEATURE_SIZE, dev);
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API reads the x, y and z axis remap data from the sensor.
- */
-uint16_t bma423_get_remap_axes(struct bma423_axes_remap *remap_data, struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
-	uint8_t index = BMA423_AXES_REMAP_OFFSET;
-	uint16_t rslt = BMA4_OK;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
-			if (rslt == BMA4_OK) {
-				remap_data->x_axis = feature_config[index] & BMA423_X_AXIS_MASK;
-				remap_data->x_axis_sign = (feature_config[index] & BMA423_X_AXIS_SIGN_MASK) >> 2;
-				remap_data->y_axis = (feature_config[index] & BMA423_Y_AXIS_MASK) >> 3;
-				remap_data->y_axis_sign = (feature_config[index] & BMA423_Y_AXIS_SIGN_MASK) >> 5;
-				remap_data->z_axis = (feature_config[index] & BMA423_Z_AXIS_MASK) >> 6;
-				remap_data->z_axis_sign = (feature_config[index + 1] & BMA423_Z_AXIS_SIGN_MASK);
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API enables the any motion feature according to the axis
- *	set by the user in the sensor.
- */
-uint16_t bma423_anymotion_enable_axis(uint8_t axis, struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_ANYMOTION_EN_LEN + 2] = {0};
-	/* Anymotion axis enable bit pos. is 3 byte ahead of the
-	  anymotion base address(0x00) */
-	uint8_t index = 3;
-	uint16_t rslt = BMA4_OK;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-						BMA423_ANYMOTION_EN_LEN + 2, dev);
-			if (rslt == BMA4_OK) {
-				feature_config[index] = BMA4_SET_BITSLICE(feature_config[index],
-							BMA423_ANY_NO_MOTION_AXIS_EN, axis);
-				rslt |= bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-							BMA423_ANYMOTION_EN_LEN + 2, dev);
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!	@brief	This API sets the configuration of Any motion feature in
- *	the sensor.
- */
-uint16_t bma423_set_any_motion_config(const struct bma423_anymotion_config *any_motion, struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_ANYMOTION_EN_LEN + 2] = {0};
-	uint8_t index = BMA423_ANY_NO_MOTION_OFFSET;
-	uint16_t duration_lsb = 0;
-	uint16_t duration_msb = 0;
-	uint16_t duration = 0;
-	uint16_t rslt = BMA4_OK;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-						BMA423_ANYMOTION_EN_LEN + 2, dev);
-			if (rslt == BMA4_OK) {
-				/* Assign threshold value in feature config	array */
-				feature_config[index++] = BMA4_GET_LSB(any_motion->threshold);
-				feature_config[index] = BMA4_GET_MSB(any_motion->threshold);
-				/* Assign no motion selection value in feature config array*/
-				feature_config[index++] |= (uint8_t)
-					(any_motion->nomotion_sel << BMA423_ANY_NO_MOTION_SEL_POS);
-
-				/* Extract duration */
-				duration_lsb = feature_config[index];
-				duration_msb = feature_config[index + 1] << 8;
-				duration = duration_lsb | duration_msb;
-				duration = BMA4_SET_BITS_POS_0(duration,
-					BMA423_ANY_NO_MOTION_DUR, any_motion->duration);
-				/* Assign duration value in feature config array*/
-				feature_config[index++] = BMA4_GET_LSB(duration);
-				feature_config[index] = BMA4_GET_MSB(duration);
-
-				/* Write any motion settings to the sensor*/
-				rslt |= bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-							BMA423_ANYMOTION_EN_LEN + 2, dev);
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!	@brief	This API gets the configuration of any motion feature from
- *	the sensor.
- */
-uint16_t bma423_get_any_motion_config(struct bma423_anymotion_config *any_motion, struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_ANYMOTION_EN_LEN + 2] = {0};
-	uint8_t anymotion = 0;
-	uint16_t rslt = BMA4_OK;
-	uint16_t *data_p = (uint16_t *)feature_config;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-						BMA423_ANYMOTION_EN_LEN + 2, dev);
-			if (rslt == BMA4_OK) {
-				/* Extract threshold value */
-				any_motion->threshold = (*data_p) & BMA423_ANY_NO_MOTION_THRES_MSK;
-				/* Extract threshold & nomotion selection
-				 * data */
-				anymotion = ((uint8_t)(*(data_p++) >> 8)) & BMA423_ANY_NO_MOTION_SEL_MSK;
-				/* Extract no motion field */
-				any_motion->nomotion_sel = anymotion >>
-					BMA423_ANY_NO_MOTION_SEL_POS;
-				/* Extract duration value */
-				any_motion->duration = (*(data_p)) & BMA423_ANY_NO_MOTION_DUR_MSK;
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API enables or disables the step detector feature in the
- *	sensor.
- */
-uint16_t bma423_step_detector_enable(uint8_t enable, struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
-	uint16_t rslt = BMA4_OK;
-	/* Step detector enable bit pos. is 1 byte ahead of the base address */
-	uint8_t index = BMA423_STEP_CNTR_OFFSET + 1;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-					BMA423_FEATURE_SIZE, dev);
-			if (rslt == BMA4_OK) {
-				feature_config[index] = BMA4_SET_BITSLICE(feature_config[index],
-									BMA423_STEP_DETECTOR_EN, enable);
-				rslt |= bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-							BMA423_FEATURE_SIZE, dev);
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API sets the watermark level for step counter
- *	interrupt in the sensor.
- */
-uint16_t bma423_step_counter_set_watermark(uint16_t step_counter_wm, struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
-	uint8_t index = BMA423_STEP_CNTR_OFFSET;
-	uint16_t wm_lsb = 0;
-	uint16_t wm_msb = 0;
-	uint16_t rslt = BMA4_OK;
-	uint16_t data = 0;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-					BMA423_FEATURE_SIZE, dev);
-			if (rslt == BMA4_OK) {
-				wm_lsb = feature_config[index];
-				wm_msb = feature_config[index + 1] << 8;
-				data = wm_lsb | wm_msb;
-				/* Sets only watermark bits in the complete
-				16 bits of data */
-				data = BMA4_SET_BITS_POS_0(data, BMA423_STEP_CNTR_WM, step_counter_wm);
-				/* Splits 16 bits of data to individual
-				8 bits data */
-				feature_config[index] = BMA4_GET_LSB(data);
-				feature_config[index + 1] = BMA4_GET_MSB(data);
-				/* Writes stepcounter watermark settings
-				in the sensor */
-				rslt |= bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-							BMA423_FEATURE_SIZE, dev);
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API gets the water mark level set for step counter interrupt
- *	in the sensor
- */
-uint16_t bma423_step_counter_get_watermark(uint16_t *step_counter_wm, struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
-	uint8_t index = BMA423_STEP_CNTR_OFFSET;
-	uint16_t wm_lsb = 0;
-	uint16_t wm_msb = 0;
-	uint16_t rslt = BMA4_OK;
-	uint16_t data = 0;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-					BMA423_FEATURE_SIZE, dev);
-			if (rslt == BMA4_OK) {
-				wm_lsb = feature_config[index];
-				wm_msb = feature_config[index + 1] << 8;
-				data = wm_lsb | wm_msb;
-				*step_counter_wm = BMA4_GET_BITS_POS_0(data, BMA423_STEP_CNTR_WM);
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API resets the counted steps of step counter.
- */
-uint16_t bma423_reset_step_counter(struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
-	/* Reset bit is 1 byte ahead of base address */
-	uint8_t index = BMA423_STEP_CNTR_OFFSET + 1;
-	uint16_t rslt = BMA4_OK;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-					BMA423_FEATURE_SIZE, dev);
-
-			if (rslt == BMA4_OK) {
-				feature_config[index] = BMA4_SET_BITSLICE(feature_config[index],
-							BMA423_STEP_CNTR_RST, 1);
-				rslt |= bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-							BMA423_FEATURE_SIZE, dev);
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-			rslt = BMA4_E_NULL_PTR;
-	}
-	return rslt;
-}
-
-/*!
- *	@brief This API gets the number of counted steps of the step counter
- *	feature from the sensor.
- */
-uint16_t bma423_step_counter_output(uint32_t *step_count, struct bma4_dev *dev)
-{
-	uint8_t data[BMA423_STEP_CNTR_DATA_SIZE] = {0};
-	uint16_t rslt = BMA4_OK;
-	uint32_t step_count_0 = 0;
-	uint32_t step_count_1 = 0;
-	uint32_t step_count_2 = 0;
-	uint32_t step_count_3 = 0;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			/* Reads the step counter output data from the
-			gpio register */
-			rslt = bma4_read_regs(BMA4_STEP_CNT_OUT_0_ADDR, data,
-					BMA423_STEP_CNTR_DATA_SIZE, dev);
-
-			if (rslt == BMA4_OK) {
-				step_count_0 = (uint32_t)data[0];
-				step_count_1 = (uint32_t)data[1] << 8;
-				step_count_2 = (uint32_t)data[2] << 16;
-				step_count_3 = (uint32_t)data[3] << 24;
-				*step_count = step_count_0 | step_count_1 | step_count_2 | step_count_3;
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *  @brief This API gets the output for activity feature.
- */
-uint16_t bma423_activity_output(uint8_t *activity, struct bma4_dev *dev)
-{
-	uint8_t data = 0;
-	uint16_t rslt = BMA4_OK;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			/* Reads the activity output from the gpio register */
-			rslt = bma4_read_regs(BMA4_ACTIVITY_OUT_ADDR, &data, 1, dev);
-			if (rslt == BMA4_OK)
-				*activity = data;
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *  @brief This API select the platform configuration wrist(Default) or phone.
- */
-uint16_t bma423_select_platform(uint8_t platform, struct bma4_dev *dev)
-{
-	uint16_t rslt = BMA4_OK;
-	struct bma423_stepcounter_settings sc_settings = {0};
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			switch (platform) {
-			case BMA423_PHONE_CONFIG:
-				sc_settings.param1  = BMA423_PHONE_SC_PARAM_1;
-				sc_settings.param2  = BMA423_PHONE_SC_PARAM_2;
-				sc_settings.param3  = BMA423_PHONE_SC_PARAM_3;
-				sc_settings.param4  = BMA423_PHONE_SC_PARAM_4;
-				sc_settings.param5  = BMA423_PHONE_SC_PARAM_5;
-				sc_settings.param6  = BMA423_PHONE_SC_PARAM_6;
-				sc_settings.param7  = BMA423_PHONE_SC_PARAM_7;
-				sc_settings.param8  = BMA423_PHONE_SC_PARAM_8;
-				sc_settings.param9  = BMA423_PHONE_SC_PARAM_9;
-				sc_settings.param10 = BMA423_PHONE_SC_PARAM_10;
-				sc_settings.param11 = BMA423_PHONE_SC_PARAM_11;
-				sc_settings.param12 = BMA423_PHONE_SC_PARAM_12;
-				sc_settings.param13 = BMA423_PHONE_SC_PARAM_13;
-				sc_settings.param14 = BMA423_PHONE_SC_PARAM_14;
-				sc_settings.param15 = BMA423_PHONE_SC_PARAM_15;
-				sc_settings.param16 = BMA423_PHONE_SC_PARAM_16;
-				sc_settings.param17 = BMA423_PHONE_SC_PARAM_17;
-				sc_settings.param18 = BMA423_PHONE_SC_PARAM_18;
-				sc_settings.param19 = BMA423_PHONE_SC_PARAM_19;
-				sc_settings.param20 = BMA423_PHONE_SC_PARAM_20;
-				sc_settings.param21 = BMA423_PHONE_SC_PARAM_21;
-				sc_settings.param22 = BMA423_PHONE_SC_PARAM_22;
-				sc_settings.param23 = BMA423_PHONE_SC_PARAM_23;
-				sc_settings.param24 = BMA423_PHONE_SC_PARAM_24;
-				sc_settings.param25 = BMA423_PHONE_SC_PARAM_25;
-				break;
-
-			case BMA423_WRIST_CONFIG:
-				sc_settings.param1  = BMA423_WRIST_SC_PARAM_1;
-				sc_settings.param2  = BMA423_WRIST_SC_PARAM_2;
-				sc_settings.param3  = BMA423_WRIST_SC_PARAM_3;
-				sc_settings.param4  = BMA423_WRIST_SC_PARAM_4;
-				sc_settings.param5  = BMA423_WRIST_SC_PARAM_5;
-				sc_settings.param6  = BMA423_WRIST_SC_PARAM_6;
-				sc_settings.param7  = BMA423_WRIST_SC_PARAM_7;
-				sc_settings.param8  = BMA423_WRIST_SC_PARAM_8;
-				sc_settings.param9  = BMA423_WRIST_SC_PARAM_9;
-				sc_settings.param10 = BMA423_WRIST_SC_PARAM_10;
-				sc_settings.param11 = BMA423_WRIST_SC_PARAM_11;
-				sc_settings.param12 = BMA423_WRIST_SC_PARAM_12;
-				sc_settings.param13 = BMA423_WRIST_SC_PARAM_13;
-				sc_settings.param14 = BMA423_WRIST_SC_PARAM_14;
-				sc_settings.param15 = BMA423_WRIST_SC_PARAM_15;
-				sc_settings.param16 = BMA423_WRIST_SC_PARAM_16;
-				sc_settings.param17 = BMA423_WRIST_SC_PARAM_17;
-				sc_settings.param18 = BMA423_WRIST_SC_PARAM_18;
-				sc_settings.param19 = BMA423_WRIST_SC_PARAM_19;
-				sc_settings.param20 = BMA423_WRIST_SC_PARAM_20;
-				sc_settings.param21 = BMA423_WRIST_SC_PARAM_21;
-				sc_settings.param22 = BMA423_WRIST_SC_PARAM_22;
-				sc_settings.param23 = BMA423_WRIST_SC_PARAM_23;
-				sc_settings.param24 = BMA423_WRIST_SC_PARAM_24;
-				sc_settings.param25 = BMA423_WRIST_SC_PARAM_25;
-				break;
-
-			default:
-				rslt = BMA4_E_OUT_OF_RANGE;
-				break;
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	if (rslt == BMA4_OK) {
-		/* Set the step counter parameter */
-		rslt = bma423_stepcounter_set_parameter(&sc_settings, dev);
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API gets the parameter1 to parameter7 settings of the
- *	step counter feature.
- */
-uint16_t bma423_stepcounter_get_parameter(struct bma423_stepcounter_settings *setting, struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
-	uint16_t *data_p = (uint16_t *)feature_config;
-	uint16_t rslt = BMA4_OK;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
-
-			if (rslt == BMA4_OK) {
-				/* To convert 8bit to 16 bit address */
-				data_p = data_p + BMA423_STEP_CNTR_PARAM_OFFSET/2;
-				extract_stepcounter_parameter(setting, data_p);
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API sets the parameter1 to parameter7 settings of the
- *	step counter feature in the sensor.
- */
-uint16_t bma423_stepcounter_set_parameter(const struct bma423_stepcounter_settings *setting, struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
-	uint8_t index = BMA423_STEP_CNTR_PARAM_OFFSET;
-	uint16_t rslt = BMA4_OK;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
-			if (rslt == BMA4_OK) {
-				update_stepcounter_parameter(setting, index, feature_config);
-				/* Writes stepcounter parameter settings
-				in the sensor */
-				rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-							BMA423_FEATURE_SIZE, dev);
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API sets the sensitivity of wake up feature in the sensor
- */
-uint16_t bma423_wakeup_set_sensitivity(uint8_t sensitivity, struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
-	uint8_t index = BMA423_WAKEUP_OFFSET;
-	uint16_t rslt = BMA4_OK;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
-			if (rslt == BMA4_OK) {
-				feature_config[index] = BMA4_SET_BITSLICE(feature_config[index],
-									BMA423_WAKEUP_SENS, sensitivity);
-				/* Writes sensitivity settings in the sensor */
-				rslt |= bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-							BMA423_FEATURE_SIZE, dev);
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *  @brief This API gets the sensitivity of wake up feature in the sensor
- */
-uint16_t bma423_wakeup_get_sensitivity(uint8_t *sensitivity, struct bma4_dev *dev)
-{
-	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
-	uint8_t index = BMA423_WAKEUP_OFFSET;
-	uint16_t rslt = BMA4_OK;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
-			if (rslt == BMA4_OK) {
-				/* Extracts sensitivity data */
-				*sensitivity = BMA4_GET_BITSLICE(feature_config[index], BMA423_WAKEUP_SENS);
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-
-/*!
- *	@brief This API is used to select single/double tap
- *	feature in the sensor
- */
-uint16_t bma423_tap_selection(const uint8_t tap_select, struct bma4_dev *dev)
-{
-	uint16_t rslt = BMA4_OK;
-	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0,};
-	uint8_t index = BMA423_WAKEUP_OFFSET;
-
-	if (dev != NULL) {
-		if (dev->chip_id == BMA423_CHIP_ID) {
-			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
-			if (rslt == BMA4_OK) {
-				feature_config[index] = BMA4_SET_BITSLICE(feature_config[index],
-									BMA423_TAP_SEL, tap_select);
-				rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
-							BMA423_FEATURE_SIZE, dev);
-			}
-		} else {
-			rslt = BMA4_E_INVALID_SENSOR;
-		}
-	} else {
-		rslt = BMA4_E_NULL_PTR;
-	}
-
-	return rslt;
-}
-/*!
- *	@brief This API update the length for read and write.
- */
-static void update_len(uint8_t *len, uint8_t feature, uint8_t enable)
-{
-	uint8_t length = BMA423_FEATURE_SIZE;
-
-	if ((feature == BMA423_ANY_MOTION) || (feature == BMA423_NO_MOTION)) {
-		/* Change the feature length to 2 for reading and writing of 2 bytes for
-		any/no-motion enable */
-		length = BMA423_ANYMOTION_EN_LEN;
-
-		/* Read and write 4 byte to disable the any/no motion completely along with
-		all axis */
-		if (enable == BMA4_DISABLE) {
-			/*Change the feature length to 4 for reading and writing
-			of 4 bytes for any/no-motion enable */
-			length = length + 2;
-		}
-	}
-
-	*len = length;
-}
-
-/*!
- *	@brief This API enables the features of the sensor.
- */
-static uint16_t feature_enable(uint8_t feature, uint8_t len, uint8_t *feature_config, struct bma4_dev *dev)
-{
-	uint8_t index = 0;
-	uint16_t rslt;
-
-	/* Enable step counter */
-	if ((feature & BMA423_STEP_CNTR) > 0) {
-		/* Step counter enable bit pos. is 1 byte ahead of the
-		base address */
-		index = BMA423_STEP_CNTR_OFFSET + 1;
-		feature_config[index] = feature_config[index] | BMA423_STEP_CNTR_EN_MSK;
-	}
-
-	/* Enable activity */
-	if ((feature & BMA423_ACTIVITY) > 0) {
-		/* Activity enable bit pos. is 1 byte ahead of the
-		base address */
-		index = BMA423_STEP_CNTR_OFFSET + 1;
-		feature_config[index] = feature_config[index] | BMA423_ACTIVITY_EN_MSK;
-	}
-	/* Enable tilt */
-	if ((feature & BMA423_TILT) > 0) {
-		/* Tilt enable bit pos. is the base address(0x3A) of tilt */
-		index = BMA423_TILT_OFFSET;
-		feature_config[index] = feature_config[index] | BMA423_TILT_EN_MSK;
-	}
-
-	/* Enable wakeup */
-	if ((feature & BMA423_WAKEUP) > 0) {
-		/* Wakeup enable bit pos. is the base address(0x38) of wakeup */
-		index = BMA423_WAKEUP_OFFSET;
-		feature_config[index] = feature_config[index] | BMA423_WAKEUP_EN_MSK;
-	}
-
-	/* Enable anymotion/nomotion */
-	if ((feature & BMA423_ANY_MOTION) > 0 || (feature & BMA423_NO_MOTION) > 0) {
-		/* Any/Nomotion enable bit pos. is 1 bytes ahead of the
-		any/nomotion base address(0x00) */
-		index = 1;
-
-		if ((feature & BMA423_ANY_MOTION) > 0) {
-			/* Enable anymotion */
-			feature_config[index] = feature_config[index] & (~BMA423_ANY_NO_MOTION_SEL_MSK);
-		} else {
-			/* Enable nomotion */
-			feature_config[index] = feature_config[index] | BMA423_ANY_NO_MOTION_SEL_MSK;
-		}
-	}
-
-	/* Write the feature enable settings in the sensor */
-	rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, len, dev);
-
-	return rslt;
-}
-
-/*!
- *	@brief This API disables the features of the sensor.
- */
-static uint16_t feature_disable(uint8_t feature, uint8_t len, uint8_t *feature_config, struct bma4_dev *dev)
-{
-	uint8_t index = 0;
-	uint16_t rslt;
-
-	/* Disable step counter */
-	if ((feature & BMA423_STEP_CNTR) > 0) {
-		/* Step counter enable bit pos. is 1 byte ahead of the
-		base address */
-		index = BMA423_STEP_CNTR_OFFSET + 1;
-		feature_config[index] = feature_config[index] & (~BMA423_STEP_CNTR_EN_MSK);
-	}
-
-	/* Disable activity */
-	if ((feature & BMA423_ACTIVITY) > 0) {
-		/* Activity enable bit pos. is 1 byte ahead of the
-		base address */
-		index = BMA423_STEP_CNTR_OFFSET + 1;
-		feature_config[index] = feature_config[index] & (~BMA423_ACTIVITY_EN_MSK);
-	}
-	/* Disable tilt */
-	if ((feature & BMA423_TILT) > 0) {
-		/* Tilt enable bit pos. is the base address(0x3A) of tilt */
-		index = BMA423_TILT_OFFSET;
-		feature_config[index] = feature_config[index] & (~BMA423_TILT_EN_MSK);
-	}
-
-	/* Disable wakeup */
-	if ((feature & BMA423_WAKEUP) > 0) {
-		/* Tilt enable bit pos. is the base address(0x38) of wakeup */
-		index = BMA423_WAKEUP_OFFSET;
-		feature_config[index] = feature_config[index] & (~BMA423_WAKEUP_EN_MSK);
-	}
-
-	/* Disable anymotion/nomotion */
-	if ((feature & BMA423_ANY_MOTION) > 0 || (feature & BMA423_NO_MOTION) > 0) {
-		/* Any/Nomotion enable bit pos. is 1 bytes ahead of the
-		any/nomotion base address(0x00) */
-		index = 1;
-
-		if ((feature & BMA423_ANY_MOTION) > 0) {
-			/* Disable anymotion */
-			feature_config[index] = feature_config[index] | BMA423_ANY_NO_MOTION_SEL_MSK;
-		} else {
-			/* Disable nomotion */
-			feature_config[index] = feature_config[index] & (~BMA423_ANY_NO_MOTION_SEL_MSK);
-		}
-		/* Any/Nomotion axis enable bit pos. is 3 byte ahead of the
-		any/nomotion base address(0x00) */
-		index = 3;
-		feature_config[index] = feature_config[index] & (~BMA423_ANY_NO_MOTION_AXIS_EN_MSK);
-	}
-	/* Write the configured settings in the sensor */
-	rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, len, dev);
-
-	return rslt;
-}
-
-/*!
- *  @brief This API update the settings of step counter.
- */
-static void update_stepcounter_parameter(const struct bma423_stepcounter_settings *setting,
-					uint8_t index, uint8_t *feature_config)
-{
-	feature_config[index++] = BMA4_GET_LSB(setting->param1);
-	feature_config[index++] = BMA4_GET_MSB(setting->param1);
-	feature_config[index++] = BMA4_GET_LSB(setting->param2);
-	feature_config[index++] = BMA4_GET_MSB(setting->param2);
-	feature_config[index++] = BMA4_GET_LSB(setting->param3);
-	feature_config[index++] = BMA4_GET_MSB(setting->param3);
-	feature_config[index++] = BMA4_GET_LSB(setting->param4);
-	feature_config[index++] = BMA4_GET_MSB(setting->param4);
-	feature_config[index++] = BMA4_GET_LSB(setting->param5);
-	feature_config[index++] = BMA4_GET_MSB(setting->param5);
-	feature_config[index++] = BMA4_GET_LSB(setting->param6);
-	feature_config[index++] = BMA4_GET_MSB(setting->param6);
-	feature_config[index++] = BMA4_GET_LSB(setting->param7);
-	feature_config[index++] = BMA4_GET_MSB(setting->param7);
-	feature_config[index++] = BMA4_GET_LSB(setting->param8);
-	feature_config[index++] = BMA4_GET_MSB(setting->param8);
-	feature_config[index++] = BMA4_GET_LSB(setting->param9);
-	feature_config[index++] = BMA4_GET_MSB(setting->param9);
-	feature_config[index++] = BMA4_GET_LSB(setting->param10);
-	feature_config[index++] = BMA4_GET_MSB(setting->param10);
-	feature_config[index++] = BMA4_GET_LSB(setting->param11);
-	feature_config[index++] = BMA4_GET_MSB(setting->param11);
-	feature_config[index++] = BMA4_GET_LSB(setting->param12);
-	feature_config[index++] = BMA4_GET_MSB(setting->param12);
-	feature_config[index++] = BMA4_GET_LSB(setting->param13);
-	feature_config[index++] = BMA4_GET_MSB(setting->param13);
-	feature_config[index++] = BMA4_GET_LSB(setting->param14);
-	feature_config[index++] = BMA4_GET_MSB(setting->param14);
-	feature_config[index++] = BMA4_GET_LSB(setting->param15);
-	feature_config[index++] = BMA4_GET_MSB(setting->param15);
-	feature_config[index++] = BMA4_GET_LSB(setting->param16);
-	feature_config[index++] = BMA4_GET_MSB(setting->param16);
-	feature_config[index++] = BMA4_GET_LSB(setting->param17);
-	feature_config[index++] = BMA4_GET_MSB(setting->param17);
-	feature_config[index++] = BMA4_GET_LSB(setting->param18);
-	feature_config[index++] = BMA4_GET_MSB(setting->param18);
-	feature_config[index++] = BMA4_GET_LSB(setting->param19);
-	feature_config[index++] = BMA4_GET_MSB(setting->param19);
-	feature_config[index++] = BMA4_GET_LSB(setting->param20);
-	feature_config[index++] = BMA4_GET_MSB(setting->param20);
-	feature_config[index++] = BMA4_GET_LSB(setting->param21);
-	feature_config[index++] = BMA4_GET_MSB(setting->param21);
-	feature_config[index++] = BMA4_GET_LSB(setting->param22);
-	feature_config[index++] = BMA4_GET_MSB(setting->param22);
-	feature_config[index++] = BMA4_GET_LSB(setting->param23);
-	feature_config[index++] = BMA4_GET_MSB(setting->param23);
-	feature_config[index++] = BMA4_GET_LSB(setting->param24);
-	feature_config[index++] = BMA4_GET_MSB(setting->param24);
-	feature_config[index++] = BMA4_GET_LSB(setting->param25);
-	feature_config[index] = BMA4_GET_MSB(setting->param25);
-}
-
-/*!
- *  @brief This API copy the settings of step counter into the
- *  structure of bma423_stepcounter_settings, which is read from sensor.
- */
-static void extract_stepcounter_parameter(struct bma423_stepcounter_settings *setting, const uint16_t *data_p)
-{
-	setting->param1 = *(data_p++);
-	setting->param2 = *(data_p++);
-	setting->param3 = *(data_p++);
-	setting->param4 = *(data_p++);
-	setting->param5 = *(data_p++);
-	setting->param6 = *(data_p++);
-	setting->param7 = *(data_p++);
-	setting->param8 = *(data_p++);
-	setting->param9 = *(data_p++);
-	setting->param10 = *(data_p++);
-	setting->param11 = *(data_p++);
-	setting->param12 = *(data_p++);
-	setting->param13 = *(data_p++);
-	setting->param14 = *(data_p++);
-	setting->param15 = *(data_p++);
-	setting->param16 = *(data_p++);
-	setting->param17 = *(data_p++);
-	setting->param18 = *(data_p++);
-	setting->param19 = *(data_p++);
-	setting->param20 = *(data_p++);
-	setting->param21 = *(data_p++);
-	setting->param22 = *(data_p++);
-	setting->param23 = *(data_p++);
-	setting->param24 = *(data_p++);
-	setting->param25 = *data_p;
-}
+/**\mainpage
+*
+****************************************************************************
+* Copyright (C) 2017 - 2018 Bosch Sensortec GmbH
+*
+* File : bma423.c
+*
+* Date: 12 Oct 2017
+*
+* Revision : 1.1.4 $
+*
+* Usage: Sensor Driver for BMA423 sensor
+*
+****************************************************************************
+*
+* \section Disclaimer
+*
+* Common:
+* Bosch Sensortec products are developed for the consumer goods industry.
+* They may only be used within the parameters of the respective valid
+* product data sheet.  Bosch Sensortec products are provided with the
+* express understanding that there is no warranty of fitness for a
+* particular purpose.They are not fit for use in life-sustaining,
+* safety or security sensitive systems or any system or device
+* that may lead to bodily harm or property damage if the system
+* or device malfunctions. In addition,Bosch Sensortec products are
+* not fit for use in products which interact with motor vehicle systems.
+* The resale and or use of products are at the purchasers own risk and
+* his own responsibility. The examination of fitness for the intended use
+* is the sole responsibility of the Purchaser.
+*
+* The purchaser shall indemnify Bosch Sensortec from all third party
+* claims, including any claims for incidental, or consequential damages,
+* arising from any product use not covered by the parameters of
+* the respective valid product data sheet or not approved by
+* Bosch Sensortec and reimburse Bosch Sensortec for all costs in
+* connection with such claims.
+*
+* The purchaser must monitor the market for the purchased products,
+* particularly with regard to product safety and inform Bosch Sensortec
+* without delay of all security relevant incidents.
+*
+* Engineering Samples are marked with an asterisk (*) or (e).
+* Samples may vary from the valid technical specifications of the product
+* series. They are therefore not intended or fit for resale to third
+* parties or for use in end products. Their sole purpose is internal
+* client testing. The testing of an engineering sample may in no way
+* replace the testing of a product series. Bosch Sensortec assumes
+* no liability for the use of engineering samples.
+* By accepting the engineering samples, the Purchaser agrees to indemnify
+* Bosch Sensortec from all claims arising from the use of engineering
+* samples.
+*
+* Special:
+* This software module (hereinafter called "Software") and any information
+* on application-sheets (hereinafter called "Information") is provided
+* free of charge for the sole purpose to support your application work.
+* The Software and Information is subject to the following
+* terms and conditions:
+*
+* The Software is specifically designed for the exclusive use for
+* Bosch Sensortec products by personnel who have special experience
+* and training. Do not use this Software if you do not have the
+* proper experience or training.
+*
+* This Software package is provided `` as is `` and without any expressed
+* or implied warranties,including without limitation, the implied warranties
+* of merchantability and fitness for a particular purpose.
+*
+* Bosch Sensortec and their representatives and agents deny any liability
+* for the functional impairment
+* of this Software in terms of fitness, performance and safety.
+* Bosch Sensortec and their representatives and agents shall not be liable
+* for any direct or indirect damages or injury, except as
+* otherwise stipulated in mandatory applicable law.
+*
+* The Information provided is believed to be accurate and reliable.
+* Bosch Sensortec assumes no responsibility for the consequences of use
+* of such Information nor for any infringement of patents or
+* other rights of third parties which may result from its use.
+* No license is granted by implication or otherwise under any patent or
+* patent rights of Bosch. Specifications mentioned in the Information are
+* subject to change without notice.
+**************************************************************************/
+/*! \file bma423.c
+    \brief Sensor Driver for BMA423 sensor */
+
+#include "bma423.h"
+
+/**\name Feature configuration file */
+const uint8_t bma423_config_file[] = {
+		0x80, 0x2e, 0xfc, 0x00, 0x80, 0x2e, 0xfe, 0x00, 0xc8, 0x2e, 0x00, 0x2e,
+		0x80, 0x2e, 0xfa, 0x00, 0x80, 0x2e, 0x23, 0xb1, 0x80, 0x2e, 0xfd, 0x00,
+		0x80, 0x2e, 0xfb, 0x00, 0x80, 0x2e, 0x5a, 0xb1, 0x50, 0x39, 0x21, 0x2e,
+		0xb0, 0xf0, 0x10, 0x30, 0x21, 0x2e, 0x16, 0xf0, 0x80, 0x2e, 0xfc, 0x01,
+		0x5d, 0x50, 0x45, 0x52, 0x01, 0x42, 0x3b, 0x80, 0x41, 0x30, 0x01, 0x42,
+		0x3c, 0x80, 0x00, 0x2e, 0x01, 0x40, 0x01, 0x42, 0x21, 0x2e, 0xff, 0xaf,
+		0xb8, 0x2e, 0xb6, 0xd6, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0xfd, 0x2d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0xf8, 0x00, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x49, 0x00, 0x24, 0x01, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x98, 0x2e,
+		0x99, 0x01, 0x20, 0x26, 0x98, 0x2e, 0xf6, 0x00, 0x98, 0x2e, 0xe9, 0x01,
+		0x10, 0x30, 0x21, 0x2e, 0x59, 0xf0, 0x98, 0x2e, 0xd8, 0x00, 0x00, 0x2e,
+		0x00, 0x2e, 0xd0, 0x2e, 0x98, 0x2e, 0xdd, 0x00, 0x01, 0x2e, 0x56, 0x00,
+		0x00, 0xb2, 0x11, 0x2f, 0x00, 0x30, 0x21, 0x2e, 0x56, 0x00, 0x41, 0x50,
+		0x98, 0x2e, 0xcc, 0xb0, 0x41, 0x50, 0x98, 0x2e, 0x8f, 0xb4, 0x01, 0x2e,
+		0x03, 0xf0, 0x0d, 0xbc, 0x0f, 0xb8, 0x00, 0x90, 0x02, 0x2f, 0x45, 0x50,
+		0x21, 0x2e, 0xbc, 0xf0, 0x01, 0x2e, 0x55, 0x00, 0x00, 0xb2, 0x1a, 0x2f,
+		0x00, 0x30, 0x21, 0x2e, 0x55, 0x00, 0x43, 0x50, 0x98, 0x2e, 0xcc, 0xb0,
+		0x43, 0x50, 0x98, 0x2e, 0xdc, 0xb1, 0x43, 0x50, 0x98, 0x2e, 0x92, 0xb5,
+		0x43, 0x50, 0x98, 0x2e, 0x00, 0xb0, 0x01, 0x2e, 0x1c, 0x01, 0x0f, 0xbc,
+		0x0f, 0xb8, 0x00, 0x90, 0x45, 0x50, 0x02, 0x2f, 0x21, 0x2e, 0xbc, 0xf0,
+		0x02, 0x2d, 0x21, 0x2e, 0xba, 0xf0, 0x98, 0x2e, 0xd8, 0x00, 0xc3, 0x2d,
+		0x01, 0x2e, 0x55, 0xf0, 0xc0, 0x2e, 0x21, 0x2e, 0x55, 0xf0, 0x03, 0x2e,
+		0x00, 0xf0, 0x45, 0x54, 0x01, 0x2e, 0x59, 0xf0, 0x4a, 0x0e, 0x02, 0x2f,
+		0xf1, 0x33, 0x0d, 0x2c, 0x01, 0x08, 0xf2, 0x30, 0x4a, 0x08, 0x79, 0x84,
+		0x82, 0xa2, 0x04, 0x2f, 0x02, 0x34, 0x82, 0x0a, 0x47, 0xa2, 0x03, 0x2c,
+		0x10, 0x22, 0x45, 0x52, 0x01, 0x0a, 0xc0, 0x2e, 0x21, 0x2e, 0x59, 0xf0,
+		0x00, 0x31, 0xc0, 0x2e, 0x21, 0x2e, 0xba, 0xf0, 0xc8, 0x2e, 0xc8, 0x2e,
+		0xc8, 0x2e, 0xc8, 0x2e, 0xc8, 0x2e, 0x44, 0x47, 0xaa, 0x00, 0x05, 0x00,
+		0x2d, 0x01, 0xd4, 0x7b, 0x3b, 0x01, 0xdb, 0x7a, 0x04, 0x00, 0x3f, 0x7b,
+		0xcd, 0x6c, 0xc3, 0x04, 0x85, 0x09, 0xc3, 0x04, 0xec, 0xe6, 0x0c, 0x46,
+		0x01, 0x00, 0x27, 0x00, 0x19, 0x00, 0x96, 0x00, 0xa0, 0x00, 0x01, 0x00,
+		0x0c, 0x00, 0xf0, 0x3c, 0x00, 0x01, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00,
+		0x0e, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x43, 0x28, 0x88, 0x00,
+		0x52, 0x00, 0x4f, 0x00, 0x80, 0x00, 0x5b, 0x00, 0x00, 0x40, 0xaf, 0x00,
+		0xff, 0x00, 0xff, 0xb7, 0x00, 0x02, 0x00, 0xb0, 0x05, 0x80, 0xb1, 0xf0,
+		0xc0, 0x00, 0x00, 0x01, 0x5e, 0xf0, 0x39, 0xf0, 0x89, 0xf0, 0x00, 0x20,
+		0xff, 0x7f, 0x7d, 0x00, 0x5e, 0x00, 0x62, 0x00, 0x7c, 0x00, 0xff, 0xfb,
+		0x52, 0xf0, 0x56, 0xf0, 0x33, 0x09, 0x33, 0x07, 0x00, 0x08, 0x90, 0x01,
+		0x00, 0xf8, 0x67, 0x00, 0x4c, 0x04, 0xa0, 0x00, 0xe8, 0x03, 0x81, 0x00,
+		0x82, 0x00, 0x6a, 0x00, 0x6d, 0x00, 0x6c, 0x00, 0xeb, 0x07, 0xae, 0x07,
+		0x72, 0x00, 0x6f, 0x00, 0xa1, 0x01, 0x1e, 0x05, 0x47, 0xfd, 0x73, 0x00,
+		0x77, 0x00, 0x79, 0x00, 0x76, 0x00, 0xcc, 0x00, 0x30, 0x50, 0x50, 0x40,
+		0x00, 0x18, 0x50, 0x40, 0x56, 0x25, 0x47, 0x25, 0x00, 0x18, 0x2e, 0x00,
+		0x41, 0x40, 0xa7, 0x02, 0x09, 0x18, 0xc6, 0x00, 0xfb, 0x7f, 0x00, 0x30,
+		0x49, 0x52, 0x05, 0x30, 0x05, 0x2c, 0x17, 0x03, 0x1e, 0xbd, 0xd2, 0xba,
+		0x92, 0xb8, 0x6a, 0x0b, 0x61, 0x0e, 0xf9, 0x2f, 0x61, 0x1a, 0x01, 0x2f,
+		0x5d, 0x0e, 0xf5, 0x2f, 0xd4, 0x7f, 0x02, 0x30, 0x1f, 0x2c, 0xe3, 0x7f,
+		0x85, 0x01, 0xd1, 0x03, 0x7c, 0x0e, 0x03, 0x2f, 0x7c, 0x1a, 0x0f, 0x2f,
+		0x73, 0x0f, 0x0d, 0x2f, 0xe3, 0x6f, 0xde, 0x04, 0x5f, 0xba, 0x11, 0xbf,
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+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00,
+		0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00, 0x80, 0x2e, 0x18, 0x00
+};
+
+/***************************************************************************/
+/*!	Static Function Declarations
+****************************************************************************/
+/*!
+ *	@brief This API update the length for read and write.
+ *
+ *	@param[in] len : Length for read and write
+ *	@param[in] feature : Variable to specify the features
+ *	which are to be set in the sensor.
+ *	@param[in] enable : Variable which specifies whether to enable or
+ *	disable the features in the bma455 sensor.
+ *		enable	|	Macros
+ *	----------------|-------------------
+ *		0x01	|	BMA4_EN
+ *		0x00	|	BMA4_DIS
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return none
+ */
+static void update_len(uint8_t *len, uint8_t feature, uint8_t enable);
+
+/*!
+ *	@brief This API enables the features of sensor.
+ *
+ *	@param[in] feature : Variable to specify the features
+ *	which are to be set in the sensor.
+ *	@param[in] len : length to read and write
+ *	@param[in] feature_config : Array address which stores the feature
+ *	configuration data
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any positive value mentioned in ERROR CODES -> Fail
+ */
+static uint16_t feature_enable(uint8_t feature, uint8_t len, uint8_t *feature_config, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API disables the features of sensor.
+ *
+ *	@param[in] feature : Variable to specify the features
+ *	which are to be unset in the sensor.
+ *	@param[in] len : length to read and write
+ *	@param[in] feature_config : Array address which stores the feature
+ *	configuration data
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any positive value mentioned in ERROR CODES -> Fail
+ */
+static uint16_t feature_disable(uint8_t feature, uint8_t len, uint8_t *feature_config, struct bma4_dev *dev);
+
+/*!
+ *  @brief This API update the settings of step counter into write array.
+ *
+ *  @param[in] setting : Pointer to structure variable which stores the
+ *  settings parameter1 to parameter25.
+ *  @param[in] index : value for array traversing.
+ *  @param[out] feature_config   : Pointer to store the settings
+ *
+ *  @return none
+ */
+static void update_stepcounter_parameter(const struct bma423_stepcounter_settings *setting,
+					uint8_t index, uint8_t *feature_config);
+/*!
+ *  @brief This API copy the settings of step counter into the
+ *  structure of bma423_stepcounter_settings, which is read from sensor.
+ *
+ *  @param[out] setting : Pointer to structure variable which stores the
+ *  settings parameter1 to parameter25 read from sensor.
+ *  @param[in] data_p : Pointer of array which stores the parameters.
+ *
+ *  @return none
+ */
+static void extract_stepcounter_parameter(struct bma423_stepcounter_settings *setting, const uint16_t *data_p);
+
+/***************************************************************************/
+/**\name		Function definitions
+****************************************************************************/
+
+/*!
+ *	@brief This API is the entry point.
+ *	Call this API before using all other APIs.
+ *	This API reads the chip-id of the sensor and sets the resolution.
+ */
+#include <stdio.h>
+uint16_t bma423_init(struct bma4_dev *dev)
+{
+	uint16_t rslt;
+
+	rslt = bma4_init(dev);
+
+	if (rslt == BMA4_OK) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			/* Resolution of BMA423 sensor is 12 bit */
+			dev->resolution = 12;
+			dev->feature_len = BMA423_FEATURE_SIZE;
+			dev->variant = BMA42X_VARIANT;
+		} else {
+			rslt |= BMA4_E_INVALID_SENSOR;
+		}
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API is used to upload the config file to enable
+ *	the features of the sensor.
+ */
+uint16_t bma423_write_config_file(struct bma4_dev *dev)
+{
+	uint16_t rslt = BMA4_OK;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			/* Config. stream read/write length boundary check */
+			if ((dev->read_write_len >= BMA423_RD_WR_MIN_LEN) &&
+				(dev->read_write_len <= BMA423_FEATURE_SIZE)) {
+				/* Even or odd check */
+				if ((dev->read_write_len % 2) != 0)
+					dev->read_write_len = dev->read_write_len - 1;
+				/*Assign stream data */
+				dev->config_file_ptr = bma423_config_file;
+				rslt = bma4_write_config_file(dev);
+			} else {
+				rslt = BMA4_E_RD_WR_LENGTH_INVALID;
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+	return rslt;
+}
+
+/*!
+ *	@brief This API is used to get the configuration id of the sensor.
+ */
+uint16_t bma423_get_config_id(uint16_t *config_id, struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
+	uint8_t index = BMA423_CONFIG_ID_OFFSET;
+	uint16_t rslt = BMA4_OK;
+	uint16_t config_id_lsb = 0;
+	uint16_t config_id_msb = 0;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
+			if (rslt == BMA4_OK) {
+				config_id_lsb = (uint16_t)feature_config[index];
+				config_id_msb = ((uint16_t)feature_config[index + 1]) << 8;
+				*config_id = config_id_lsb | config_id_msb;
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API sets/unsets the user provided interrupt to either
+ *	interrupt pin1 or pin2 in the sensor.
+ */
+uint16_t bma423_map_interrupt(uint8_t int_line, uint16_t int_map, uint8_t enable, struct bma4_dev *dev)
+{
+	uint16_t rslt = BMA4_OK;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			if (int_line <= 1) {
+				/* Map/Unmap the interrupt */
+				rslt = bma4_map_interrupt(int_line, int_map, enable, dev);
+			} else {
+				rslt = BMA4_E_INT_LINE_INVALID;
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API reads the bma423 interrupt status from the sensor.
+ */
+uint16_t bma423_read_int_status(uint16_t *int_status, struct bma4_dev *dev)
+{
+	uint16_t rslt = BMA4_OK;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			/* Read the interrupt status */
+			rslt = bma4_read_int_status(int_status, dev);
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API enables/disables the features of the sensor.
+ */
+uint16_t bma423_feature_enable(uint8_t feature, uint8_t enable, struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
+	uint16_t rslt = BMA4_OK;
+	uint8_t len;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			/* Update the length for read and write */
+			update_len(&len, feature, enable);
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, len, dev);
+			if (rslt == BMA4_OK) {
+				if (enable == TRUE) {
+					/* Enables the feature */
+					rslt |= feature_enable(feature, len, feature_config, dev);
+				} else {
+					/* Disables the feature */
+					rslt |= feature_disable(feature, len, feature_config, dev);
+				}
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API performs x, y and z axis remapping in the sensor.
+ */
+uint16_t bma423_set_remap_axes(const struct bma423_axes_remap *remap_data, struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
+	uint8_t index = BMA423_AXES_REMAP_OFFSET;
+	uint16_t rslt = BMA4_OK;
+	uint8_t x_axis = 0;
+	uint8_t x_axis_sign = 0;
+	uint8_t y_axis = 0;
+	uint8_t y_axis_sign = 0;
+	uint8_t z_axis = 0;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
+			if (rslt == BMA4_OK) {
+				x_axis = remap_data->x_axis & BMA423_X_AXIS_MASK;
+				x_axis_sign = (remap_data->x_axis_sign << 2) & BMA423_X_AXIS_SIGN_MASK;
+				y_axis = (remap_data->y_axis << 3) & BMA423_Y_AXIS_MASK;
+				y_axis_sign = (remap_data->y_axis_sign << 5) & BMA423_Y_AXIS_SIGN_MASK;
+				z_axis = (remap_data->z_axis << 6) & BMA423_Z_AXIS_MASK;
+				feature_config[index] = x_axis | x_axis_sign | y_axis | y_axis_sign | z_axis;
+				feature_config[index + 1] = remap_data->z_axis_sign & BMA423_Z_AXIS_SIGN_MASK;
+				rslt |= bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+							BMA423_FEATURE_SIZE, dev);
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API reads the x, y and z axis remap data from the sensor.
+ */
+uint16_t bma423_get_remap_axes(struct bma423_axes_remap *remap_data, struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
+	uint8_t index = BMA423_AXES_REMAP_OFFSET;
+	uint16_t rslt = BMA4_OK;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
+			if (rslt == BMA4_OK) {
+				remap_data->x_axis = feature_config[index] & BMA423_X_AXIS_MASK;
+				remap_data->x_axis_sign = (feature_config[index] & BMA423_X_AXIS_SIGN_MASK) >> 2;
+				remap_data->y_axis = (feature_config[index] & BMA423_Y_AXIS_MASK) >> 3;
+				remap_data->y_axis_sign = (feature_config[index] & BMA423_Y_AXIS_SIGN_MASK) >> 5;
+				remap_data->z_axis = (feature_config[index] & BMA423_Z_AXIS_MASK) >> 6;
+				remap_data->z_axis_sign = (feature_config[index + 1] & BMA423_Z_AXIS_SIGN_MASK);
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API enables the any motion feature according to the axis
+ *	set by the user in the sensor.
+ */
+uint16_t bma423_anymotion_enable_axis(uint8_t axis, struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_ANYMOTION_EN_LEN + 2] = {0};
+	/* Anymotion axis enable bit pos. is 3 byte ahead of the
+	  anymotion base address(0x00) */
+	uint8_t index = 3;
+	uint16_t rslt = BMA4_OK;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+						BMA423_ANYMOTION_EN_LEN + 2, dev);
+			if (rslt == BMA4_OK) {
+				feature_config[index] = BMA4_SET_BITSLICE(feature_config[index],
+							BMA423_ANY_NO_MOTION_AXIS_EN, axis);
+				rslt |= bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+							BMA423_ANYMOTION_EN_LEN + 2, dev);
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!	@brief	This API sets the configuration of Any motion feature in
+ *	the sensor.
+ */
+uint16_t bma423_set_any_motion_config(const struct bma423_anymotion_config *any_motion, struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_ANYMOTION_EN_LEN + 2] = {0};
+	uint8_t index = BMA423_ANY_NO_MOTION_OFFSET;
+	uint16_t duration_lsb = 0;
+	uint16_t duration_msb = 0;
+	uint16_t duration = 0;
+	uint16_t rslt = BMA4_OK;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+						BMA423_ANYMOTION_EN_LEN + 2, dev);
+			if (rslt == BMA4_OK) {
+				/* Assign threshold value in feature config	array */
+				feature_config[index++] = BMA4_GET_LSB(any_motion->threshold);
+				feature_config[index] = BMA4_GET_MSB(any_motion->threshold);
+				/* Assign no motion selection value in feature config array*/
+				feature_config[index++] |= (uint8_t)
+					(any_motion->nomotion_sel << BMA423_ANY_NO_MOTION_SEL_POS);
+
+				/* Extract duration */
+				duration_lsb = feature_config[index];
+				duration_msb = feature_config[index + 1] << 8;
+				duration = duration_lsb | duration_msb;
+				duration = BMA4_SET_BITS_POS_0(duration,
+					BMA423_ANY_NO_MOTION_DUR, any_motion->duration);
+				/* Assign duration value in feature config array*/
+				feature_config[index++] = BMA4_GET_LSB(duration);
+				feature_config[index] = BMA4_GET_MSB(duration);
+
+				/* Write any motion settings to the sensor*/
+				rslt |= bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+							BMA423_ANYMOTION_EN_LEN + 2, dev);
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!	@brief	This API gets the configuration of any motion feature from
+ *	the sensor.
+ */
+uint16_t bma423_get_any_motion_config(struct bma423_anymotion_config *any_motion, struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_ANYMOTION_EN_LEN + 2] = {0};
+	uint8_t anymotion = 0;
+	uint16_t rslt = BMA4_OK;
+	uint16_t *data_p = (uint16_t *)feature_config;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+						BMA423_ANYMOTION_EN_LEN + 2, dev);
+			if (rslt == BMA4_OK) {
+				/* Extract threshold value */
+				any_motion->threshold = (*data_p) & BMA423_ANY_NO_MOTION_THRES_MSK;
+				/* Extract threshold & nomotion selection
+				 * data */
+				anymotion = ((uint8_t)(*(data_p++) >> 8)) & BMA423_ANY_NO_MOTION_SEL_MSK;
+				/* Extract no motion field */
+				any_motion->nomotion_sel = anymotion >>
+					BMA423_ANY_NO_MOTION_SEL_POS;
+				/* Extract duration value */
+				any_motion->duration = (*(data_p)) & BMA423_ANY_NO_MOTION_DUR_MSK;
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API enables or disables the step detector feature in the
+ *	sensor.
+ */
+uint16_t bma423_step_detector_enable(uint8_t enable, struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
+	uint16_t rslt = BMA4_OK;
+	/* Step detector enable bit pos. is 1 byte ahead of the base address */
+	uint8_t index = BMA423_STEP_CNTR_OFFSET + 1;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+					BMA423_FEATURE_SIZE, dev);
+			if (rslt == BMA4_OK) {
+				feature_config[index] = BMA4_SET_BITSLICE(feature_config[index],
+									BMA423_STEP_DETECTOR_EN, enable);
+				rslt |= bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+							BMA423_FEATURE_SIZE, dev);
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API sets the watermark level for step counter
+ *	interrupt in the sensor.
+ */
+uint16_t bma423_step_counter_set_watermark(uint16_t step_counter_wm, struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
+	uint8_t index = BMA423_STEP_CNTR_OFFSET;
+	uint16_t wm_lsb = 0;
+	uint16_t wm_msb = 0;
+	uint16_t rslt = BMA4_OK;
+	uint16_t data = 0;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+					BMA423_FEATURE_SIZE, dev);
+			if (rslt == BMA4_OK) {
+				wm_lsb = feature_config[index];
+				wm_msb = feature_config[index + 1] << 8;
+				data = wm_lsb | wm_msb;
+				/* Sets only watermark bits in the complete
+				16 bits of data */
+				data = BMA4_SET_BITS_POS_0(data, BMA423_STEP_CNTR_WM, step_counter_wm);
+				/* Splits 16 bits of data to individual
+				8 bits data */
+				feature_config[index] = BMA4_GET_LSB(data);
+				feature_config[index + 1] = BMA4_GET_MSB(data);
+				/* Writes stepcounter watermark settings
+				in the sensor */
+				rslt |= bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+							BMA423_FEATURE_SIZE, dev);
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API gets the water mark level set for step counter interrupt
+ *	in the sensor
+ */
+uint16_t bma423_step_counter_get_watermark(uint16_t *step_counter_wm, struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
+	uint8_t index = BMA423_STEP_CNTR_OFFSET;
+	uint16_t wm_lsb = 0;
+	uint16_t wm_msb = 0;
+	uint16_t rslt = BMA4_OK;
+	uint16_t data = 0;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+					BMA423_FEATURE_SIZE, dev);
+			if (rslt == BMA4_OK) {
+				wm_lsb = feature_config[index];
+				wm_msb = feature_config[index + 1] << 8;
+				data = wm_lsb | wm_msb;
+				*step_counter_wm = BMA4_GET_BITS_POS_0(data, BMA423_STEP_CNTR_WM);
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API resets the counted steps of step counter.
+ */
+uint16_t bma423_reset_step_counter(struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
+	/* Reset bit is 1 byte ahead of base address */
+	uint8_t index = BMA423_STEP_CNTR_OFFSET + 1;
+	uint16_t rslt = BMA4_OK;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+					BMA423_FEATURE_SIZE, dev);
+
+			if (rslt == BMA4_OK) {
+				feature_config[index] = BMA4_SET_BITSLICE(feature_config[index],
+							BMA423_STEP_CNTR_RST, 1);
+				rslt |= bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+							BMA423_FEATURE_SIZE, dev);
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+			rslt = BMA4_E_NULL_PTR;
+	}
+	return rslt;
+}
+
+/*!
+ *	@brief This API gets the number of counted steps of the step counter
+ *	feature from the sensor.
+ */
+uint16_t bma423_step_counter_output(uint32_t *step_count, struct bma4_dev *dev)
+{
+	uint8_t data[BMA423_STEP_CNTR_DATA_SIZE] = {0};
+	uint16_t rslt = BMA4_OK;
+	uint32_t step_count_0 = 0;
+	uint32_t step_count_1 = 0;
+	uint32_t step_count_2 = 0;
+	uint32_t step_count_3 = 0;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			/* Reads the step counter output data from the
+			gpio register */
+			rslt = bma4_read_regs(BMA4_STEP_CNT_OUT_0_ADDR, data,
+					BMA423_STEP_CNTR_DATA_SIZE, dev);
+
+			if (rslt == BMA4_OK) {
+				step_count_0 = (uint32_t)data[0];
+				step_count_1 = (uint32_t)data[1] << 8;
+				step_count_2 = (uint32_t)data[2] << 16;
+				step_count_3 = (uint32_t)data[3] << 24;
+				*step_count = step_count_0 | step_count_1 | step_count_2 | step_count_3;
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *  @brief This API gets the output for activity feature.
+ */
+uint16_t bma423_activity_output(uint8_t *activity, struct bma4_dev *dev)
+{
+	uint8_t data = 0;
+	uint16_t rslt = BMA4_OK;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			/* Reads the activity output from the gpio register */
+			rslt = bma4_read_regs(BMA4_ACTIVITY_OUT_ADDR, &data, 1, dev);
+			if (rslt == BMA4_OK)
+				*activity = data;
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *  @brief This API select the platform configuration wrist(Default) or phone.
+ */
+uint16_t bma423_select_platform(uint8_t platform, struct bma4_dev *dev)
+{
+	uint16_t rslt = BMA4_OK;
+	struct bma423_stepcounter_settings sc_settings = {0};
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			switch (platform) {
+			case BMA423_PHONE_CONFIG:
+				sc_settings.param1  = BMA423_PHONE_SC_PARAM_1;
+				sc_settings.param2  = BMA423_PHONE_SC_PARAM_2;
+				sc_settings.param3  = BMA423_PHONE_SC_PARAM_3;
+				sc_settings.param4  = BMA423_PHONE_SC_PARAM_4;
+				sc_settings.param5  = BMA423_PHONE_SC_PARAM_5;
+				sc_settings.param6  = BMA423_PHONE_SC_PARAM_6;
+				sc_settings.param7  = BMA423_PHONE_SC_PARAM_7;
+				sc_settings.param8  = BMA423_PHONE_SC_PARAM_8;
+				sc_settings.param9  = BMA423_PHONE_SC_PARAM_9;
+				sc_settings.param10 = BMA423_PHONE_SC_PARAM_10;
+				sc_settings.param11 = BMA423_PHONE_SC_PARAM_11;
+				sc_settings.param12 = BMA423_PHONE_SC_PARAM_12;
+				sc_settings.param13 = BMA423_PHONE_SC_PARAM_13;
+				sc_settings.param14 = BMA423_PHONE_SC_PARAM_14;
+				sc_settings.param15 = BMA423_PHONE_SC_PARAM_15;
+				sc_settings.param16 = BMA423_PHONE_SC_PARAM_16;
+				sc_settings.param17 = BMA423_PHONE_SC_PARAM_17;
+				sc_settings.param18 = BMA423_PHONE_SC_PARAM_18;
+				sc_settings.param19 = BMA423_PHONE_SC_PARAM_19;
+				sc_settings.param20 = BMA423_PHONE_SC_PARAM_20;
+				sc_settings.param21 = BMA423_PHONE_SC_PARAM_21;
+				sc_settings.param22 = BMA423_PHONE_SC_PARAM_22;
+				sc_settings.param23 = BMA423_PHONE_SC_PARAM_23;
+				sc_settings.param24 = BMA423_PHONE_SC_PARAM_24;
+				sc_settings.param25 = BMA423_PHONE_SC_PARAM_25;
+				break;
+
+			case BMA423_WRIST_CONFIG:
+				sc_settings.param1  = BMA423_WRIST_SC_PARAM_1;
+				sc_settings.param2  = BMA423_WRIST_SC_PARAM_2;
+				sc_settings.param3  = BMA423_WRIST_SC_PARAM_3;
+				sc_settings.param4  = BMA423_WRIST_SC_PARAM_4;
+				sc_settings.param5  = BMA423_WRIST_SC_PARAM_5;
+				sc_settings.param6  = BMA423_WRIST_SC_PARAM_6;
+				sc_settings.param7  = BMA423_WRIST_SC_PARAM_7;
+				sc_settings.param8  = BMA423_WRIST_SC_PARAM_8;
+				sc_settings.param9  = BMA423_WRIST_SC_PARAM_9;
+				sc_settings.param10 = BMA423_WRIST_SC_PARAM_10;
+				sc_settings.param11 = BMA423_WRIST_SC_PARAM_11;
+				sc_settings.param12 = BMA423_WRIST_SC_PARAM_12;
+				sc_settings.param13 = BMA423_WRIST_SC_PARAM_13;
+				sc_settings.param14 = BMA423_WRIST_SC_PARAM_14;
+				sc_settings.param15 = BMA423_WRIST_SC_PARAM_15;
+				sc_settings.param16 = BMA423_WRIST_SC_PARAM_16;
+				sc_settings.param17 = BMA423_WRIST_SC_PARAM_17;
+				sc_settings.param18 = BMA423_WRIST_SC_PARAM_18;
+				sc_settings.param19 = BMA423_WRIST_SC_PARAM_19;
+				sc_settings.param20 = BMA423_WRIST_SC_PARAM_20;
+				sc_settings.param21 = BMA423_WRIST_SC_PARAM_21;
+				sc_settings.param22 = BMA423_WRIST_SC_PARAM_22;
+				sc_settings.param23 = BMA423_WRIST_SC_PARAM_23;
+				sc_settings.param24 = BMA423_WRIST_SC_PARAM_24;
+				sc_settings.param25 = BMA423_WRIST_SC_PARAM_25;
+				break;
+
+			default:
+				rslt = BMA4_E_OUT_OF_RANGE;
+				break;
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	if (rslt == BMA4_OK) {
+		/* Set the step counter parameter */
+		rslt = bma423_stepcounter_set_parameter(&sc_settings, dev);
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API gets the parameter1 to parameter7 settings of the
+ *	step counter feature.
+ */
+uint16_t bma423_stepcounter_get_parameter(struct bma423_stepcounter_settings *setting, struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
+	uint16_t *data_p = (uint16_t *)feature_config;
+	uint16_t rslt = BMA4_OK;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
+
+			if (rslt == BMA4_OK) {
+				/* To convert 8bit to 16 bit address */
+				data_p = data_p + BMA423_STEP_CNTR_PARAM_OFFSET/2;
+				extract_stepcounter_parameter(setting, data_p);
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API sets the parameter1 to parameter7 settings of the
+ *	step counter feature in the sensor.
+ */
+uint16_t bma423_stepcounter_set_parameter(const struct bma423_stepcounter_settings *setting, struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
+	uint8_t index = BMA423_STEP_CNTR_PARAM_OFFSET;
+	uint16_t rslt = BMA4_OK;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
+			if (rslt == BMA4_OK) {
+				update_stepcounter_parameter(setting, index, feature_config);
+				/* Writes stepcounter parameter settings
+				in the sensor */
+				rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+							BMA423_FEATURE_SIZE, dev);
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API sets the sensitivity of wake up feature in the sensor
+ */
+uint16_t bma423_wakeup_set_sensitivity(uint8_t sensitivity, struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
+	uint8_t index = BMA423_WAKEUP_OFFSET;
+	uint16_t rslt = BMA4_OK;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
+			if (rslt == BMA4_OK) {
+				feature_config[index] = BMA4_SET_BITSLICE(feature_config[index],
+									BMA423_WAKEUP_SENS, sensitivity);
+				/* Writes sensitivity settings in the sensor */
+				rslt |= bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+							BMA423_FEATURE_SIZE, dev);
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *  @brief This API gets the sensitivity of wake up feature in the sensor
+ */
+uint16_t bma423_wakeup_get_sensitivity(uint8_t *sensitivity, struct bma4_dev *dev)
+{
+	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0};
+	uint8_t index = BMA423_WAKEUP_OFFSET;
+	uint16_t rslt = BMA4_OK;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
+			if (rslt == BMA4_OK) {
+				/* Extracts sensitivity data */
+				*sensitivity = BMA4_GET_BITSLICE(feature_config[index], BMA423_WAKEUP_SENS);
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API is used to select single/double tap
+ *	feature in the sensor
+ */
+uint16_t bma423_tap_selection(const uint8_t tap_select, struct bma4_dev *dev)
+{
+	uint16_t rslt = BMA4_OK;
+	uint8_t feature_config[BMA423_FEATURE_SIZE] = {0,};
+	uint8_t index = BMA423_WAKEUP_OFFSET;
+
+	if (dev != NULL) {
+		if (dev->chip_id == BMA423_CHIP_ID) {
+			rslt = bma4_read_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, BMA423_FEATURE_SIZE, dev);
+			if (rslt == BMA4_OK) {
+				feature_config[index] = BMA4_SET_BITSLICE(feature_config[index],
+									BMA423_TAP_SEL, tap_select);
+				rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config,
+							BMA423_FEATURE_SIZE, dev);
+			}
+		} else {
+			rslt = BMA4_E_INVALID_SENSOR;
+		}
+	} else {
+		rslt = BMA4_E_NULL_PTR;
+	}
+
+	return rslt;
+}
+/*!
+ *	@brief This API update the length for read and write.
+ */
+static void update_len(uint8_t *len, uint8_t feature, uint8_t enable)
+{
+	uint8_t length = BMA423_FEATURE_SIZE;
+
+	if ((feature == BMA423_ANY_MOTION) || (feature == BMA423_NO_MOTION)) {
+		/* Change the feature length to 2 for reading and writing of 2 bytes for
+		any/no-motion enable */
+		length = BMA423_ANYMOTION_EN_LEN;
+
+		/* Read and write 4 byte to disable the any/no motion completely along with
+		all axis */
+		if (enable == BMA4_DISABLE) {
+			/*Change the feature length to 4 for reading and writing
+			of 4 bytes for any/no-motion enable */
+			length = length + 2;
+		}
+	}
+
+	*len = length;
+}
+
+/*!
+ *	@brief This API enables the features of the sensor.
+ */
+static uint16_t feature_enable(uint8_t feature, uint8_t len, uint8_t *feature_config, struct bma4_dev *dev)
+{
+	uint8_t index = 0;
+	uint16_t rslt;
+
+	/* Enable step counter */
+	if ((feature & BMA423_STEP_CNTR) > 0) {
+		/* Step counter enable bit pos. is 1 byte ahead of the
+		base address */
+		index = BMA423_STEP_CNTR_OFFSET + 1;
+		feature_config[index] = feature_config[index] | BMA423_STEP_CNTR_EN_MSK;
+	}
+
+	/* Enable activity */
+	if ((feature & BMA423_ACTIVITY) > 0) {
+		/* Activity enable bit pos. is 1 byte ahead of the
+		base address */
+		index = BMA423_STEP_CNTR_OFFSET + 1;
+		feature_config[index] = feature_config[index] | BMA423_ACTIVITY_EN_MSK;
+	}
+	/* Enable tilt */
+	if ((feature & BMA423_TILT) > 0) {
+		/* Tilt enable bit pos. is the base address(0x3A) of tilt */
+		index = BMA423_TILT_OFFSET;
+		feature_config[index] = feature_config[index] | BMA423_TILT_EN_MSK;
+	}
+
+	/* Enable wakeup */
+	if ((feature & BMA423_WAKEUP) > 0) {
+		/* Wakeup enable bit pos. is the base address(0x38) of wakeup */
+		index = BMA423_WAKEUP_OFFSET;
+		feature_config[index] = feature_config[index] | BMA423_WAKEUP_EN_MSK;
+	}
+
+	/* Enable anymotion/nomotion */
+	if ((feature & BMA423_ANY_MOTION) > 0 || (feature & BMA423_NO_MOTION) > 0) {
+		/* Any/Nomotion enable bit pos. is 1 bytes ahead of the
+		any/nomotion base address(0x00) */
+		index = 1;
+
+		if ((feature & BMA423_ANY_MOTION) > 0) {
+			/* Enable anymotion */
+			feature_config[index] = feature_config[index] & (~BMA423_ANY_NO_MOTION_SEL_MSK);
+		} else {
+			/* Enable nomotion */
+			feature_config[index] = feature_config[index] | BMA423_ANY_NO_MOTION_SEL_MSK;
+		}
+	}
+
+	/* Write the feature enable settings in the sensor */
+	rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, len, dev);
+
+	return rslt;
+}
+
+/*!
+ *	@brief This API disables the features of the sensor.
+ */
+static uint16_t feature_disable(uint8_t feature, uint8_t len, uint8_t *feature_config, struct bma4_dev *dev)
+{
+	uint8_t index = 0;
+	uint16_t rslt;
+
+	/* Disable step counter */
+	if ((feature & BMA423_STEP_CNTR) > 0) {
+		/* Step counter enable bit pos. is 1 byte ahead of the
+		base address */
+		index = BMA423_STEP_CNTR_OFFSET + 1;
+		feature_config[index] = feature_config[index] & (~BMA423_STEP_CNTR_EN_MSK);
+	}
+
+	/* Disable activity */
+	if ((feature & BMA423_ACTIVITY) > 0) {
+		/* Activity enable bit pos. is 1 byte ahead of the
+		base address */
+		index = BMA423_STEP_CNTR_OFFSET + 1;
+		feature_config[index] = feature_config[index] & (~BMA423_ACTIVITY_EN_MSK);
+	}
+	/* Disable tilt */
+	if ((feature & BMA423_TILT) > 0) {
+		/* Tilt enable bit pos. is the base address(0x3A) of tilt */
+		index = BMA423_TILT_OFFSET;
+		feature_config[index] = feature_config[index] & (~BMA423_TILT_EN_MSK);
+	}
+
+	/* Disable wakeup */
+	if ((feature & BMA423_WAKEUP) > 0) {
+		/* Tilt enable bit pos. is the base address(0x38) of wakeup */
+		index = BMA423_WAKEUP_OFFSET;
+		feature_config[index] = feature_config[index] & (~BMA423_WAKEUP_EN_MSK);
+	}
+
+	/* Disable anymotion/nomotion */
+	if ((feature & BMA423_ANY_MOTION) > 0 || (feature & BMA423_NO_MOTION) > 0) {
+		/* Any/Nomotion enable bit pos. is 1 bytes ahead of the
+		any/nomotion base address(0x00) */
+		index = 1;
+
+		if ((feature & BMA423_ANY_MOTION) > 0) {
+			/* Disable anymotion */
+			feature_config[index] = feature_config[index] | BMA423_ANY_NO_MOTION_SEL_MSK;
+		} else {
+			/* Disable nomotion */
+			feature_config[index] = feature_config[index] & (~BMA423_ANY_NO_MOTION_SEL_MSK);
+		}
+		/* Any/Nomotion axis enable bit pos. is 3 byte ahead of the
+		any/nomotion base address(0x00) */
+		index = 3;
+		feature_config[index] = feature_config[index] & (~BMA423_ANY_NO_MOTION_AXIS_EN_MSK);
+	}
+	/* Write the configured settings in the sensor */
+	rslt = bma4_write_regs(BMA4_FEATURE_CONFIG_ADDR, feature_config, len, dev);
+
+	return rslt;
+}
+
+/*!
+ *  @brief This API update the settings of step counter.
+ */
+static void update_stepcounter_parameter(const struct bma423_stepcounter_settings *setting,
+					uint8_t index, uint8_t *feature_config)
+{
+	feature_config[index++] = BMA4_GET_LSB(setting->param1);
+	feature_config[index++] = BMA4_GET_MSB(setting->param1);
+	feature_config[index++] = BMA4_GET_LSB(setting->param2);
+	feature_config[index++] = BMA4_GET_MSB(setting->param2);
+	feature_config[index++] = BMA4_GET_LSB(setting->param3);
+	feature_config[index++] = BMA4_GET_MSB(setting->param3);
+	feature_config[index++] = BMA4_GET_LSB(setting->param4);
+	feature_config[index++] = BMA4_GET_MSB(setting->param4);
+	feature_config[index++] = BMA4_GET_LSB(setting->param5);
+	feature_config[index++] = BMA4_GET_MSB(setting->param5);
+	feature_config[index++] = BMA4_GET_LSB(setting->param6);
+	feature_config[index++] = BMA4_GET_MSB(setting->param6);
+	feature_config[index++] = BMA4_GET_LSB(setting->param7);
+	feature_config[index++] = BMA4_GET_MSB(setting->param7);
+	feature_config[index++] = BMA4_GET_LSB(setting->param8);
+	feature_config[index++] = BMA4_GET_MSB(setting->param8);
+	feature_config[index++] = BMA4_GET_LSB(setting->param9);
+	feature_config[index++] = BMA4_GET_MSB(setting->param9);
+	feature_config[index++] = BMA4_GET_LSB(setting->param10);
+	feature_config[index++] = BMA4_GET_MSB(setting->param10);
+	feature_config[index++] = BMA4_GET_LSB(setting->param11);
+	feature_config[index++] = BMA4_GET_MSB(setting->param11);
+	feature_config[index++] = BMA4_GET_LSB(setting->param12);
+	feature_config[index++] = BMA4_GET_MSB(setting->param12);
+	feature_config[index++] = BMA4_GET_LSB(setting->param13);
+	feature_config[index++] = BMA4_GET_MSB(setting->param13);
+	feature_config[index++] = BMA4_GET_LSB(setting->param14);
+	feature_config[index++] = BMA4_GET_MSB(setting->param14);
+	feature_config[index++] = BMA4_GET_LSB(setting->param15);
+	feature_config[index++] = BMA4_GET_MSB(setting->param15);
+	feature_config[index++] = BMA4_GET_LSB(setting->param16);
+	feature_config[index++] = BMA4_GET_MSB(setting->param16);
+	feature_config[index++] = BMA4_GET_LSB(setting->param17);
+	feature_config[index++] = BMA4_GET_MSB(setting->param17);
+	feature_config[index++] = BMA4_GET_LSB(setting->param18);
+	feature_config[index++] = BMA4_GET_MSB(setting->param18);
+	feature_config[index++] = BMA4_GET_LSB(setting->param19);
+	feature_config[index++] = BMA4_GET_MSB(setting->param19);
+	feature_config[index++] = BMA4_GET_LSB(setting->param20);
+	feature_config[index++] = BMA4_GET_MSB(setting->param20);
+	feature_config[index++] = BMA4_GET_LSB(setting->param21);
+	feature_config[index++] = BMA4_GET_MSB(setting->param21);
+	feature_config[index++] = BMA4_GET_LSB(setting->param22);
+	feature_config[index++] = BMA4_GET_MSB(setting->param22);
+	feature_config[index++] = BMA4_GET_LSB(setting->param23);
+	feature_config[index++] = BMA4_GET_MSB(setting->param23);
+	feature_config[index++] = BMA4_GET_LSB(setting->param24);
+	feature_config[index++] = BMA4_GET_MSB(setting->param24);
+	feature_config[index++] = BMA4_GET_LSB(setting->param25);
+	feature_config[index] = BMA4_GET_MSB(setting->param25);
+}
+
+/*!
+ *  @brief This API copy the settings of step counter into the
+ *  structure of bma423_stepcounter_settings, which is read from sensor.
+ */
+static void extract_stepcounter_parameter(struct bma423_stepcounter_settings *setting, const uint16_t *data_p)
+{
+	setting->param1 = *(data_p++);
+	setting->param2 = *(data_p++);
+	setting->param3 = *(data_p++);
+	setting->param4 = *(data_p++);
+	setting->param5 = *(data_p++);
+	setting->param6 = *(data_p++);
+	setting->param7 = *(data_p++);
+	setting->param8 = *(data_p++);
+	setting->param9 = *(data_p++);
+	setting->param10 = *(data_p++);
+	setting->param11 = *(data_p++);
+	setting->param12 = *(data_p++);
+	setting->param13 = *(data_p++);
+	setting->param14 = *(data_p++);
+	setting->param15 = *(data_p++);
+	setting->param16 = *(data_p++);
+	setting->param17 = *(data_p++);
+	setting->param18 = *(data_p++);
+	setting->param19 = *(data_p++);
+	setting->param20 = *(data_p++);
+	setting->param21 = *(data_p++);
+	setting->param22 = *(data_p++);
+	setting->param23 = *(data_p++);
+	setting->param24 = *(data_p++);
+	setting->param25 = *data_p;
+}
diff --git a/lib/libesp32/TTGO_TWatch_Library/src/bma423.h b/lib/libesp32_div/TTGO_TWatch_Library/src/bma423.h
old mode 100755
new mode 100644
similarity index 97%
rename from lib/libesp32/TTGO_TWatch_Library/src/bma423.h
rename to lib/libesp32_div/TTGO_TWatch_Library/src/bma423.h
index 2137f36c2..f9f1f0824
--- a/lib/libesp32/TTGO_TWatch_Library/src/bma423.h
+++ b/lib/libesp32_div/TTGO_TWatch_Library/src/bma423.h
@@ -1,804 +1,804 @@
-/*
-*
-****************************************************************************
-* Copyright (C) 2017 - 2018 Bosch Sensortec GmbH
-*
-* File : bma423.h
-*
-* Date: 12 Oct 2017
-*
-* Revision : 1.1.4 $
-*
-* Usage: Sensor Driver for BMA423 sensor
-*
-****************************************************************************
-*
-* Disclaimer
-*
-* Common:
-* Bosch Sensortec products are developed for the consumer goods industry.
-* They may only be used within the parameters of the respective valid
-* product data sheet.  Bosch Sensortec products are provided with the
-* express understanding that there is no warranty of fitness for a
-* particular purpose.They are not fit for use in life-sustaining,
-* safety or security sensitive systems or any system or device
-* that may lead to bodily harm or property damage if the system
-* or device malfunctions. In addition,Bosch Sensortec products are
-* not fit for use in products which interact with motor vehicle systems.
-* The resale and or use of products are at the purchasers own risk and
-* his own responsibility. The examination of fitness for the intended use
-* is the sole responsibility of the Purchaser.
-*
-* The purchaser shall indemnify Bosch Sensortec from all third party
-* claims, including any claims for incidental, or consequential damages,
-* arising from any product use not covered by the parameters of
-* the respective valid product data sheet or not approved by
-* Bosch Sensortec and reimburse Bosch Sensortec for all costs in
-* connection with such claims.
-*
-* The purchaser must monitor the market for the purchased products,
-* particularly with regard to product safety and inform Bosch Sensortec
-* without delay of all security relevant incidents.
-*
-* Engineering Samples are marked with an asterisk (*) or (e).
-* Samples may vary from the valid technical specifications of the product
-* series. They are therefore not intended or fit for resale to third
-* parties or for use in end products. Their sole purpose is internal
-* client testing. The testing of an engineering sample may in no way
-* replace the testing of a product series. Bosch Sensortec assumes
-* no liability for the use of engineering samples.
-* By accepting the engineering samples, the Purchaser agrees to indemnify
-* Bosch Sensortec from all claims arising from the use of engineering
-* samples.
-*
-* Special:
-* This software module (hereinafter called "Software") and any information
-* on application-sheets (hereinafter called "Information") is provided
-* free of charge for the sole purpose to support your application work.
-* The Software and Information is subject to the following
-* terms and conditions:
-*
-* The Software is specifically designed for the exclusive use for
-* Bosch Sensortec products by personnel who have special experience
-* and training. Do not use this Software if you do not have the
-* proper experience or training.
-*
-* This Software package is provided `` as is `` and without any expressed
-* or implied warranties,including without limitation, the implied warranties
-* of merchantability and fitness for a particular purpose.
-*
-* Bosch Sensortec and their representatives and agents deny any liability
-* for the functional impairment
-* of this Software in terms of fitness, performance and safety.
-* Bosch Sensortec and their representatives and agents shall not be liable
-* for any direct or indirect damages or injury, except as
-* otherwise stipulated in mandatory applicable law.
-*
-* The Information provided is believed to be accurate and reliable.
-* Bosch Sensortec assumes no responsibility for the consequences of use
-* of such Information nor for any infringement of patents or
-* other rights of third parties which may result from its use.
-* No license is granted by implication or otherwise under any patent or
-* patent rights of Bosch. Specifications mentioned in the Information are
-* subject to change without notice.
-**************************************************************************/
-/*! \file bma423.h
-    \brief Sensor Driver for BMA423 sensor */
-#ifndef BMA423_H
-#define BMA423_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-#include "bma4.h"
-
-/**\name Chip ID of BMA423 sensor */
-#define	BMA423_CHIP_ID				UINT8_C(0x13)
-
-/**\name Sensor feature size */
-#define BMA423_FEATURE_SIZE			UINT8_C(64)
-#define BMA423_ANYMOTION_EN_LEN			UINT8_C(2)
-#define BMA423_RD_WR_MIN_LEN			UINT8_C(2)
-
-/**\name Feature offset address */
-#define BMA423_ANY_NO_MOTION_OFFSET		UINT8_C(0x00)
-#define BMA423_STEP_CNTR_OFFSET			UINT8_C(0x36)
-#define BMA423_STEP_CNTR_PARAM_OFFSET		UINT8_C(0x04)
-#define BMA423_WAKEUP_OFFSET			UINT8_C(0x38)
-#define BMA423_TILT_OFFSET			UINT8_C(0x3A)
-#define BMA423_CONFIG_ID_OFFSET			UINT8_C(0x3C)
-#define BMA423_AXES_REMAP_OFFSET		UINT8_C(0x3E)
-
-
-/**************************************************************/
-/**\name	Remap Axes */
-/**************************************************************/
-#define BMA423_X_AXIS_MASK			UINT8_C(0x03)
-#define BMA423_X_AXIS_SIGN_MASK			UINT8_C(0x04)
-#define BMA423_Y_AXIS_MASK			UINT8_C(0x18)
-#define BMA423_Y_AXIS_SIGN_MASK			UINT8_C(0x20)
-#define BMA423_Z_AXIS_MASK			UINT8_C(0xC0)
-#define BMA423_Z_AXIS_SIGN_MASK			UINT8_C(0x01)
-
-/**************************************************************/
-/**\name	Step Counter & Detector */
-/**************************************************************/
-/**\name Step counter enable macros */
-#define BMA423_STEP_CNTR_EN_POS			UINT8_C(4)
-#define BMA423_STEP_CNTR_EN_MSK			UINT8_C(0x10)
-#define BMA423_ACTIVITY_EN_MSK			UINT8_C(0x20)
-
-/**\name Step counter watermark macros */
-#define BMA423_STEP_CNTR_WM_MSK			UINT16_C(0x03FF)
-
-/**\name Step counter reset macros */
-#define BMA423_STEP_CNTR_RST_POS		UINT8_C(2)
-#define BMA423_STEP_CNTR_RST_MSK		UINT8_C(0x04)
-
-/**\name Step detector enable macros */
-#define BMA423_STEP_DETECTOR_EN_POS		UINT8_C(3)
-#define BMA423_STEP_DETECTOR_EN_MSK		UINT8_C(0x08)
-
-/**\name Tilt enable macros */
-#define BMA423_TILT_EN_MSK			UINT8_C(0x01)
-
-/**\name Step count output length*/
-#define BMA423_STEP_CNTR_DATA_SIZE		UINT16_C(4)
-
-/**\name Wakeup enable macros */
-#define BMA423_WAKEUP_EN_MSK			UINT8_C(0x01)
-
-/**\name Wake up sensitivity macros */
-#define BMA423_WAKEUP_SENS_POS			UINT8_C(1)
-#define BMA423_WAKEUP_SENS_MSK			UINT8_C(0x0E)
-
-/**\name Tap selection macro */
-#define BMA423_TAP_SEL_POS			UINT8_C(4)
-#define BMA423_TAP_SEL_MSK			UINT8_C(0x10)
-
-/**************************************************************/
-/**\name	Any Motion */
-/**************************************************************/
-/**\name Any motion threshold macros */
-#define BMA423_ANY_NO_MOTION_THRES_POS		UINT8_C(0)
-#define BMA423_ANY_NO_MOTION_THRES_MSK		UINT16_C(0x07FF)
-
-/**\name Any motion selection macros */
-#define BMA423_ANY_NO_MOTION_SEL_POS		UINT8_C(3)
-#define BMA423_ANY_NO_MOTION_SEL_MSK		UINT8_C(0x08)
-
-/**\name Any motion enable macros */
-#define BMA423_ANY_NO_MOTION_AXIS_EN_POS	UINT8_C(5)
-#define BMA423_ANY_NO_MOTION_AXIS_EN_MSK	UINT8_C(0xE0)
-
-/**\name Any motion duration macros */
-#define BMA423_ANY_NO_MOTION_DUR_MSK		UINT16_C(0x1FFF)
-
-/**************************************************************/
-/**\name	User macros */
-/**************************************************************/
-
-/**\name Anymotion/Nomotion axis enable macros */
-#define BMA423_X_AXIS_EN			UINT8_C(0x01)
-#define BMA423_Y_AXIS_EN			UINT8_C(0x02)
-#define BMA423_Z_AXIS_EN			UINT8_C(0x04)
-#define BMA423_ALL_AXIS_EN			UINT8_C(0x07)
-#define BMA423_ALL_AXIS_DIS			UINT8_C(0x00)
-
-/**\name Feature enable macros for the sensor */
-#define BMA423_STEP_CNTR			UINT8_C(0x01)
-/**\name Below macros are mutually exclusive */
-#define BMA423_ANY_MOTION			UINT8_C(0x02)
-#define BMA423_NO_MOTION			UINT8_C(0x04)
-#define BMA423_ACTIVITY				UINT8_C(0x08)
-#define BMA423_TILT					UINT8_C(0x10)
-#define BMA423_WAKEUP				UINT8_C(0x20)
-
-/**\name Interrupt status macros */
-#define BMA423_STEP_CNTR_INT			UINT8_C(0x02)
-#define BMA423_ACTIVITY_INT			UINT8_C(0x04)
-#define BMA423_TILT_INT				UINT8_C(0x08)
-#define BMA423_WAKEUP_INT			UINT8_C(0x20)
-#define BMA423_ANY_NO_MOTION_INT		UINT8_C(0x40)
-#define BMA423_ERROR_INT			UINT8_C(0x80)
-
-/**\name Activity recognition macros */
-#define BMA423_USER_STATIONARY			UINT8_C(0x00)
-#define BMA423_USER_WALKING			UINT8_C(0x01)
-#define BMA423_USER_RUNNING			UINT8_C(0x02)
-#define BMA423_STATE_INVALID			UINT8_C(0x03)
-
-/**\name Configuration selection macros */
-#define BMA423_PHONE_CONFIG			UINT8_C(0x00)
-#define BMA423_WRIST_CONFIG			UINT8_C(0x01)
-
-/**\name Step counter parameter setting(1-25) for phone */
-#define BMA423_PHONE_SC_PARAM_1    UINT16_C(0x132)
-#define BMA423_PHONE_SC_PARAM_2    UINT16_C(0x78E6)
-#define BMA423_PHONE_SC_PARAM_3    UINT16_C(0x84)
-#define BMA423_PHONE_SC_PARAM_4    UINT16_C(0x6C9C)
-#define BMA423_PHONE_SC_PARAM_5    UINT8_C(0x07)
-#define BMA423_PHONE_SC_PARAM_6    UINT16_C(0x7564)
-#define BMA423_PHONE_SC_PARAM_7    UINT16_C(0x7EAA)
-#define BMA423_PHONE_SC_PARAM_8    UINT16_C(0x55F)
-#define BMA423_PHONE_SC_PARAM_9    UINT16_C(0xABE)
-#define BMA423_PHONE_SC_PARAM_10   UINT16_C(0x55F)
-#define BMA423_PHONE_SC_PARAM_11   UINT16_C(0xE896)
-#define BMA423_PHONE_SC_PARAM_12   UINT16_C(0x41EF)
-#define BMA423_PHONE_SC_PARAM_13   UINT8_C(0x01)
-#define BMA423_PHONE_SC_PARAM_14   UINT8_C(0x0C)
-#define BMA423_PHONE_SC_PARAM_15   UINT8_C(0x0C)
-#define BMA423_PHONE_SC_PARAM_16   UINT8_C(0x4A)
-#define BMA423_PHONE_SC_PARAM_17   UINT8_C(0xA0)
-#define BMA423_PHONE_SC_PARAM_18   UINT8_C(0x00)
-#define BMA423_PHONE_SC_PARAM_19   UINT8_C(0x0C)
-#define BMA423_PHONE_SC_PARAM_20   UINT16_C(0x3CF0)
-#define BMA423_PHONE_SC_PARAM_21   UINT16_C(0x100)
-#define BMA423_PHONE_SC_PARAM_22   UINT8_C(0x00)
-#define BMA423_PHONE_SC_PARAM_23   UINT8_C(0x00)
-#define BMA423_PHONE_SC_PARAM_24   UINT8_C(0x00)
-#define BMA423_PHONE_SC_PARAM_25   UINT8_C(0x00)
-
-/**\name Step counter parameter setting(1-25) for wrist (Default) */
-#define BMA423_WRIST_SC_PARAM_1   UINT16_C(0x12D)
-#define BMA423_WRIST_SC_PARAM_2   UINT16_C(0x7BD4)
-#define BMA423_WRIST_SC_PARAM_3   UINT16_C(0x13B)
-#define BMA423_WRIST_SC_PARAM_4   UINT16_C(0x7ADB)
-#define BMA423_WRIST_SC_PARAM_5   UINT8_C(0x04)
-#define BMA423_WRIST_SC_PARAM_6   UINT16_C(0x7B3F)
-#define BMA423_WRIST_SC_PARAM_7   UINT16_C(0x6CCD)
-#define BMA423_WRIST_SC_PARAM_8   UINT16_C(0x4C3)
-#define BMA423_WRIST_SC_PARAM_9   UINT16_C(0x985)
-#define BMA423_WRIST_SC_PARAM_10  UINT16_C(0x4C3)
-#define BMA423_WRIST_SC_PARAM_11  UINT16_C(0xE6EC)
-#define BMA423_WRIST_SC_PARAM_12  UINT16_C(0x460C)
-#define BMA423_WRIST_SC_PARAM_13  UINT8_C(0x01)
-#define BMA423_WRIST_SC_PARAM_14  UINT8_C(0x27)
-#define BMA423_WRIST_SC_PARAM_15  UINT8_C(0x19)
-#define BMA423_WRIST_SC_PARAM_16  UINT8_C(0x96)
-#define BMA423_WRIST_SC_PARAM_17  UINT8_C(0xA0)
-#define BMA423_WRIST_SC_PARAM_18  UINT8_C(0x01)
-#define BMA423_WRIST_SC_PARAM_19  UINT8_C(0x0C)
-#define BMA423_WRIST_SC_PARAM_20  UINT16_C(0x3CF0)
-#define BMA423_WRIST_SC_PARAM_21  UINT16_C(0x100)
-#define BMA423_WRIST_SC_PARAM_22  UINT8_C(0x01)
-#define BMA423_WRIST_SC_PARAM_23  UINT8_C(0x03)
-#define BMA423_WRIST_SC_PARAM_24  UINT8_C(0x01)
-#define BMA423_WRIST_SC_PARAM_25  UINT8_C(0x0E)
-
-/*!
- * @brief Any motion configuration
- */
-struct bma423_anymotion_config {
-	/*! Expressed in 50 Hz samples (20 ms) */
-	uint16_t duration;
-	/*! Threshold value for Any-motion / No-motion detection in
-	5.11g format */
-	uint16_t threshold;
-	/*! Indicates if No-motion or Any-motion is selected */
-	uint8_t nomotion_sel;
-};
-
-/*!
- * @brief Axes remapping configuration
- */
-struct bma423_axes_remap {
-	uint8_t x_axis;
-	uint8_t x_axis_sign;
-	uint8_t y_axis;
-	uint8_t y_axis_sign;
-	uint8_t z_axis;
-	uint8_t z_axis_sign;
-};
-
-/*!
- * @brief Step counter param settings
- */
-struct bma423_stepcounter_settings {
-	/*! Step Counter param 1 */
-	uint16_t param1;
-	/*! Step Counter param 2 */
-	uint16_t param2;
-	/*! Step Counter param 3 */
-	uint16_t param3;
-	/*! Step Counter param 4 */
-	uint16_t param4;
-	/*! Step Counter param 5 */
-	uint16_t param5;
-	/*! Step Counter param 6 */
-	uint16_t param6;
-	/*! Step Counter param 7 */
-	uint16_t param7;
-	/*! Step Counter param 8 */
-	uint16_t param8;
-	/*! Step Counter param 9 */
-	uint16_t param9;
-	/*! Step Counter param 10 */
-	uint16_t param10;
-	/*! Step Counter param 11 */
-	uint16_t param11;
-	/*! Step Counter param 12 */
-	uint16_t param12;
-	/*! Step Counter param 13 */
-	uint16_t param13;
-	/*! Step Counter param 14 */
-	uint16_t param14;
-	/*! Step Counter param 15 */
-	uint16_t param15;
-	/*! Step Counter param 16 */
-	uint16_t param16;
-	/*! Step Counter param 17 */
-	uint16_t param17;
-	/*! Step Counter param 18 */
-	uint16_t param18;
-	/*! Step Counter param 19 */
-	uint16_t param19;
-	/*! Step Counter param 20 */
-	uint16_t param20;
-	/*! Step Counter param 21 */
-	uint16_t param21;
-	/*! Step Counter param 22 */
-	uint16_t param22;
-	/*! Step Counter param 23 */
-	uint16_t param23;
-	/*! Step Counter param 24 */
-	uint16_t param24;
-	/*! Step Counter param 25 */
-	uint16_t param25;
-};
-
-/*!
- *	@brief This API is the entry point.
- *	Call this API before using all other APIs.
- *	This API reads the chip-id of the sensor and sets the resolution.
- *
- *	@param[in,out] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_init(struct bma4_dev *dev);
-
-/*!
- *	@brief This API is used to upload the config file to enable
- *	the features of the sensor.
- *
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_write_config_file(struct bma4_dev *dev);
-
-/*!
- *	@brief This API is used to get the configuration id of the sensor.
- *
- *	@param[out] config_id : Pointer variable used to store
- *	the configuration id.
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_get_config_id(uint16_t *config_id, struct bma4_dev *dev);
-
-
-/*!
- *	@brief This API sets/unsets the user provided interrupt to either
- *	interrupt pin1 or pin2 in the sensor.
- *
- *	@param[in] int_line: Variable to select either interrupt pin1 or pin2.
- *  int_line    |   Macros
- *  ------------|-------------------
- *		0       | BMA4_INTR1_MAP
- *		1       | BMA4_INTR2_MAP
- *	@param[in] int_map : Variable to specify the interrupts.
- *	@param[in] enable : Variable to specify mapping or unmapping of
- *	interrupts.
- *	enable		|	Macros
- *  --------------------|-------------------
- *	0x00		|  BMA4_DISABLE
- *	0x01		|  BMA4_ENABLE
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@note Below macros specify the interrupts.
- *	Feature Interrupts
- *	  - BMA423_STEP_CNTR_INT
- *	  - BMA423_ACTIVITY_INT
- *	  - BMA423_TILT_INT
- *	  - BMA423_WAKEUP_INT
- *	  - BMA423_ANY_NO_MOTION_INT
- *	  - BMA423_ERROR_INT
- *
- *	Hardware Interrupts
- *	  - BMA4_FIFO_FULL_INT
- *	  - BMA4_FIFO_WM_INT
- *	  - BMA4_DATA_RDY_INT
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_map_interrupt(uint8_t int_line, uint16_t int_map, uint8_t enable, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the bma423 interrupt status from the sensor.
- *
- *	@param[out] int_status : Variable to store the interrupt status
- *	read from the sensor.
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@note Below macros are used to check the interrupt status.
- *	Feature Interrupts
- *
- *	  - BMA423_STEP_CNTR_INT
- *	  - BMA423_ACTIVITY_INT
- *	  - BMA423_TILT_INT
- *	  - BMA423_WAKEUP_INT
- *	  - BMA423_ANY_NO_MOTION_INT
- *	  - BMA423_ERROR_INT
- *
- *
- *	Hardware Interrupts
- *	  - BMA4_FIFO_FULL_INT
- *	  - BMA4_FIFO_WM_INT
- *	  - BMA4_MAG_DATA_RDY_INT
- *	  - BMA4_ACCEL_DATA_RDY_INT
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_read_int_status(uint16_t *int_status, struct bma4_dev *dev);
-
-/*!
- *	@brief This API enables/disables the features of the sensor.
- *
- *	@param[in] feature : Variable to specify the features
- *	which are to be set in bma423 sensor.
- *	@param[in] enable : Variable which specifies whether to enable or
- *	disable the features in the bma423 sensor
- *	enable		|	Macros
- *  --------------------|-------------------
- *	0x00		|  BMA4_DISABLE
- *	0x01		|  BMA4_ENABLE
- *	@param[in] dev : Structure instance of bma4_dev.
- *
- *	@note User should use the below macros to enable or disable the
- *	features of bma423 sensor
- *	  - BMA423_STEP_CNTR
- *	  - BMA423_ANY_MOTION (or) BMA423_NO_MOTION
- *	  - BMA423_ACTIVITY
- *	  - BMA423_WAKEUP
- *	  - BMA423_TILT
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_feature_enable(uint8_t feature, uint8_t enable, struct bma4_dev *dev);
-
-
-/*!
- *	@brief This API performs x, y and z axis remapping in the sensor.
- *
- *	@param[in] remap_data : Pointer to store axes remapping data.
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_set_remap_axes(const struct bma423_axes_remap *remap_data, struct bma4_dev *dev);
-
-/*!
- *	@brief This API reads the x, y and z axis remap data from the sensor.
- *
- *	@param[out] remap_data : Pointer to store axis remap data which is read
- *	from the bma423 sensor.
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_get_remap_axes(struct bma423_axes_remap *remap_data, struct bma4_dev *dev);
-
-
-/*!
- *	@brief This API sets the watermark level for step counter
- *	interrupt in the sensor.
- *
- *	@param[in] step_counter_wm : Variable which specifies watermark level
- *	count
- *	@note Valid values are from 1 to 1023
- *	@note Value 0 is used for step detector interrupt
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_step_counter_set_watermark(uint16_t step_counter_wm, struct bma4_dev *dev);
-
-/*!
- *	@brief This API gets the water mark level set for step counter interrupt
- *	in the sensor
- *
- *	@param[out] step_counter_wm : Pointer variable which stores
- *	the water mark level read from the sensor.
- *	@note valid values are from 1 to 1023
- *	@note value 0 is used for step detector interrupt
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_step_counter_get_watermark(uint16_t *step_counter_wm, struct bma4_dev *dev);
-
-/*!
- *	@brief This API resets the counted steps of step counter.
- *
- *	@param[in] dev : structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_reset_step_counter(struct bma4_dev *dev);
-
-/*!
- *	@brief This API gets the number of counted steps of the step counter
- *	feature from the sensor.
- *
- *  @param[out] step_count : Pointer variable which stores counted steps
- *	read from the sensor.
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_step_counter_output(uint32_t *step_count, struct bma4_dev *dev);
-
-/*!
- *  @brief This API gets the output for activity feature.
- *
- *  @param[out] activity : Pointer variable which stores activity output
- *  read from the sensor.
- *       activity |   State
- *  --------------|------------------------
- *        0x00    | BMA423_USER_STATIONARY
- *        0x01    | BMA423_USER_WALKING
- *        0x02    | BMA423_USER_RUNNING
- *        0x03    | BMA423_STATE_INVALID
- *
- *  @param[in] dev : Structure instance of bma4_dev
- *  @return Result of API execution status
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- */
-uint16_t bma423_activity_output(uint8_t *activity, struct bma4_dev *dev);
-
-/*!
- *  @brief This API select the platform configuration wrist(default) or phone.
- *
- *  @param[in] platform : Variable to select wrist/phone
- *
- *     platform  |   Macros
- *  -------------|------------------------
- *        0x00   | BMA423_PHONE_CONFIG
- *        0x01   | BMA423_WRIST_CONFIG
- *
- *  @param[in] dev : Structure instance of bma4_dev
- *  @return Result of API execution status
- *  @retval 0 -> Success
- *  @retval Any non zero value -> Fail
- */
-uint16_t bma423_select_platform(uint8_t platform, struct bma4_dev *dev);
-
-/*!
- *	@brief This API gets the parameter1 to parameter7 settings of the
- *	step counter feature.
- *
- *	@param[out] setting : Pointer to structure variable which stores the
- *	parameter1 to parameter7 read from the sensor.
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_stepcounter_get_parameter(struct bma423_stepcounter_settings *setting, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the parameter1 to parameter7 settings of the
- *	step counter feature in the sensor.
- *
- *	@param[in] setting : Pointer to structure variable which stores the
- *	parameter1 to parameter7 settings read from the sensor.
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_stepcounter_set_parameter(const struct bma423_stepcounter_settings *setting, struct bma4_dev *dev);
-
-/*!
- *	@brief This API enables or disables the step detector feature in the
- *	sensor.
- *
- *	@param[in] enable : Variable used to enable or disable step detector
- *	enable		|	Macros
- *  --------------------|-------------------
- *	0x00		|  BMA4_DISABLE
- *	0x01		|  BMA4_ENABLE
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_step_detector_enable(uint8_t enable, struct bma4_dev *dev);
-
-/*!
- *	@brief This API enables the any motion feature according to the axis
- *	set by the user in the sensor.
- *
- *	@param[in] axis : Variable to specify the axis of the any motion feature
- *	to be enabled in the sensor.
- *  Value    |  Axis
- *  ---------|-------------------------
- *  0x00     |  BMA423_ALL_AXIS_DIS
- *  0x01     |  BMA423_X_AXIS_EN
- *  0x02     |  BMA423_Y_AXIS_EN
- *  0x04     |  BMA423_Z_AXIS_EN
- *  0x07     |  BMA423_ALL_AXIS_EN
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_anymotion_enable_axis(uint8_t axis, struct bma4_dev *dev);
-
-/*!	@brief	This API sets the configuration of Any motion feature in
- *	the sensor.
- *
- *	@param[in]	any_motion : Pointer to structure variable to specify
- *	the any motion feature settings.
- *	Structure members are provided in the table below
- *@verbatim
- * -------------------------------------------------------------------------
- *         Structure parameters    |        Description
- * --------------------------------|----------------------------------------
- *                                 |        Defines the number of
- *                                 |        consecutive data points for
- *                                 |        which the threshold condition
- *         duration                |        must be respected, for interrupt
- *                                 |        assertion. It is expressed in
- *                                 |        50 Hz samples (20 ms).
- *                                 |        Range is 0 to 163sec.
- *                                 |        Default value is 5 = 100ms.
- * --------------------------------|----------------------------------------
- *                                 |        Slope threshold value for
- *                                 |        Any-motion / No-motion detection
- *         threshold               |        in 5.11g format.
- *                                 |        Range is 0 to 1g.
- *                                 |        Default value is 0xAA = 83mg.
- * --------------------------------|----------------------------------------
- *                                 |        Indicates if No motion (1) or
- *         nomotion_sel            |        Any-motion (0) is selected;
- *                                 |        default value is 0 Any-motion.
- * -------------------------------------------------------------------------
- *@endverbatim
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_set_any_motion_config(const struct bma423_anymotion_config *any_motion, struct bma4_dev *dev);
-
-/*!	@brief	This API gets the configuration of any motion feature from
- *	the sensor.
- *
- *	@param[out]	any_motion : Pointer to structure variable used to store
- *	the any motion feature settings read from the sensor.
- *	Structure members are provided in the table below
- *@verbatim
- * -------------------------------------------------------------------------
- *         Structure parameters    |        Description
- * --------------------------------|----------------------------------------
- *                                 |        Defines the number of
- *                                 |        consecutive data points for
- *                                 |        which the threshold condition
- *         duration                |        must be respected, for interrupt
- *                                 |        assertion. It is expressed in
- *                                 |        50 Hz samples (20 ms).
- *                                 |        Range is 0 to 163sec.
- *                                 |        Default value is 5 = 100ms.
- * --------------------------------|----------------------------------------
- *                                 |        Slope threshold value for
- *                                 |        Any-motion / No-motion detection
- *         threshold               |        in 5.11g format.
- *                                 |        Range is 0 to 1g.
- *                                 |        Default value is 0xAA = 83mg.
- * --------------------------------|----------------------------------------
- *                                 |        Indicates if No motion (1) or
- *         nomotion_sel            |        Any-motion (0) is selected;
- *                                 |        default value is 0 Any-motion.
- * -------------------------------------------------------------------------
- *@endverbatim
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_get_any_motion_config(struct bma423_anymotion_config *any_motion, struct bma4_dev *dev);
-
-/*!
- *	@brief This API sets the sensitivity of wake up feature in the sensor
- *
- *	@param[in] sensitivity : Variable used to specify the sensitivity of the
- *	Wake up feature.
- *	Value	|  Sensitivity
- *	--------|-------------------------
- *	0x00	|  MOST SENSITIVE
- *	0x07	|  LEAST SENSITIVE
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_wakeup_set_sensitivity(uint8_t sensitivity, struct bma4_dev *dev);
-
-/*!
- *	@brief This API gets the sensitivity of wake up feature in the sensor
- *
- *	@param[out] sensitivity : Pointer variable which stores the sensitivity
- *	value read from the sensor.
- *	Value	|  Sensitivity
- *	--------|-------------------------
- *	0x00	|  MOST SENSITIVE
- *	0x07	|  LEAST SENSITIVE
- *	@param[in] dev : Structure instance of bma4_dev
- *
- *	@return Result of API execution status
- *	@retval 0 -> Success
- *	@retval Any non zero value -> Fail
- */
-uint16_t bma423_wakeup_get_sensitivity(uint8_t *sensitivity, struct bma4_dev *dev);
-
-/*!
- *	@brief This API is used to select single/double tap
- *	feature in the sensor
- *
- *	@param tap_select : Variable used to specify the single or
- *	double tap selection in the sensor
- *      tap_select  |  description
- *      ------------|------------------------
- *      0x00        |  Double tap selected
- *      0x01        |  single tap selected
- *
- *	@param dev : Structure instance of bma4_dev
- *
- *	@return results of stream_transfer operation
- *	@retval 0 -> Success
- *	@retval Any positive value mentioned in ERROR CODES -> Fail
- *
- */
-uint16_t bma423_tap_selection(const uint8_t tap_select, struct bma4_dev *dev);
-
-#ifdef __cplusplus
-}
-#endif /*End of CPP guard */
-
-#endif /*End of header guard macro */
+/*
+*
+****************************************************************************
+* Copyright (C) 2017 - 2018 Bosch Sensortec GmbH
+*
+* File : bma423.h
+*
+* Date: 12 Oct 2017
+*
+* Revision : 1.1.4 $
+*
+* Usage: Sensor Driver for BMA423 sensor
+*
+****************************************************************************
+*
+* Disclaimer
+*
+* Common:
+* Bosch Sensortec products are developed for the consumer goods industry.
+* They may only be used within the parameters of the respective valid
+* product data sheet.  Bosch Sensortec products are provided with the
+* express understanding that there is no warranty of fitness for a
+* particular purpose.They are not fit for use in life-sustaining,
+* safety or security sensitive systems or any system or device
+* that may lead to bodily harm or property damage if the system
+* or device malfunctions. In addition,Bosch Sensortec products are
+* not fit for use in products which interact with motor vehicle systems.
+* The resale and or use of products are at the purchasers own risk and
+* his own responsibility. The examination of fitness for the intended use
+* is the sole responsibility of the Purchaser.
+*
+* The purchaser shall indemnify Bosch Sensortec from all third party
+* claims, including any claims for incidental, or consequential damages,
+* arising from any product use not covered by the parameters of
+* the respective valid product data sheet or not approved by
+* Bosch Sensortec and reimburse Bosch Sensortec for all costs in
+* connection with such claims.
+*
+* The purchaser must monitor the market for the purchased products,
+* particularly with regard to product safety and inform Bosch Sensortec
+* without delay of all security relevant incidents.
+*
+* Engineering Samples are marked with an asterisk (*) or (e).
+* Samples may vary from the valid technical specifications of the product
+* series. They are therefore not intended or fit for resale to third
+* parties or for use in end products. Their sole purpose is internal
+* client testing. The testing of an engineering sample may in no way
+* replace the testing of a product series. Bosch Sensortec assumes
+* no liability for the use of engineering samples.
+* By accepting the engineering samples, the Purchaser agrees to indemnify
+* Bosch Sensortec from all claims arising from the use of engineering
+* samples.
+*
+* Special:
+* This software module (hereinafter called "Software") and any information
+* on application-sheets (hereinafter called "Information") is provided
+* free of charge for the sole purpose to support your application work.
+* The Software and Information is subject to the following
+* terms and conditions:
+*
+* The Software is specifically designed for the exclusive use for
+* Bosch Sensortec products by personnel who have special experience
+* and training. Do not use this Software if you do not have the
+* proper experience or training.
+*
+* This Software package is provided `` as is `` and without any expressed
+* or implied warranties,including without limitation, the implied warranties
+* of merchantability and fitness for a particular purpose.
+*
+* Bosch Sensortec and their representatives and agents deny any liability
+* for the functional impairment
+* of this Software in terms of fitness, performance and safety.
+* Bosch Sensortec and their representatives and agents shall not be liable
+* for any direct or indirect damages or injury, except as
+* otherwise stipulated in mandatory applicable law.
+*
+* The Information provided is believed to be accurate and reliable.
+* Bosch Sensortec assumes no responsibility for the consequences of use
+* of such Information nor for any infringement of patents or
+* other rights of third parties which may result from its use.
+* No license is granted by implication or otherwise under any patent or
+* patent rights of Bosch. Specifications mentioned in the Information are
+* subject to change without notice.
+**************************************************************************/
+/*! \file bma423.h
+    \brief Sensor Driver for BMA423 sensor */
+#ifndef BMA423_H
+#define BMA423_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include "bma4.h"
+
+/**\name Chip ID of BMA423 sensor */
+#define	BMA423_CHIP_ID				UINT8_C(0x13)
+
+/**\name Sensor feature size */
+#define BMA423_FEATURE_SIZE			UINT8_C(64)
+#define BMA423_ANYMOTION_EN_LEN			UINT8_C(2)
+#define BMA423_RD_WR_MIN_LEN			UINT8_C(2)
+
+/**\name Feature offset address */
+#define BMA423_ANY_NO_MOTION_OFFSET		UINT8_C(0x00)
+#define BMA423_STEP_CNTR_OFFSET			UINT8_C(0x36)
+#define BMA423_STEP_CNTR_PARAM_OFFSET		UINT8_C(0x04)
+#define BMA423_WAKEUP_OFFSET			UINT8_C(0x38)
+#define BMA423_TILT_OFFSET			UINT8_C(0x3A)
+#define BMA423_CONFIG_ID_OFFSET			UINT8_C(0x3C)
+#define BMA423_AXES_REMAP_OFFSET		UINT8_C(0x3E)
+
+
+/**************************************************************/
+/**\name	Remap Axes */
+/**************************************************************/
+#define BMA423_X_AXIS_MASK			UINT8_C(0x03)
+#define BMA423_X_AXIS_SIGN_MASK			UINT8_C(0x04)
+#define BMA423_Y_AXIS_MASK			UINT8_C(0x18)
+#define BMA423_Y_AXIS_SIGN_MASK			UINT8_C(0x20)
+#define BMA423_Z_AXIS_MASK			UINT8_C(0xC0)
+#define BMA423_Z_AXIS_SIGN_MASK			UINT8_C(0x01)
+
+/**************************************************************/
+/**\name	Step Counter & Detector */
+/**************************************************************/
+/**\name Step counter enable macros */
+#define BMA423_STEP_CNTR_EN_POS			UINT8_C(4)
+#define BMA423_STEP_CNTR_EN_MSK			UINT8_C(0x10)
+#define BMA423_ACTIVITY_EN_MSK			UINT8_C(0x20)
+
+/**\name Step counter watermark macros */
+#define BMA423_STEP_CNTR_WM_MSK			UINT16_C(0x03FF)
+
+/**\name Step counter reset macros */
+#define BMA423_STEP_CNTR_RST_POS		UINT8_C(2)
+#define BMA423_STEP_CNTR_RST_MSK		UINT8_C(0x04)
+
+/**\name Step detector enable macros */
+#define BMA423_STEP_DETECTOR_EN_POS		UINT8_C(3)
+#define BMA423_STEP_DETECTOR_EN_MSK		UINT8_C(0x08)
+
+/**\name Tilt enable macros */
+#define BMA423_TILT_EN_MSK			UINT8_C(0x01)
+
+/**\name Step count output length*/
+#define BMA423_STEP_CNTR_DATA_SIZE		UINT16_C(4)
+
+/**\name Wakeup enable macros */
+#define BMA423_WAKEUP_EN_MSK			UINT8_C(0x01)
+
+/**\name Wake up sensitivity macros */
+#define BMA423_WAKEUP_SENS_POS			UINT8_C(1)
+#define BMA423_WAKEUP_SENS_MSK			UINT8_C(0x0E)
+
+/**\name Tap selection macro */
+#define BMA423_TAP_SEL_POS			UINT8_C(4)
+#define BMA423_TAP_SEL_MSK			UINT8_C(0x10)
+
+/**************************************************************/
+/**\name	Any Motion */
+/**************************************************************/
+/**\name Any motion threshold macros */
+#define BMA423_ANY_NO_MOTION_THRES_POS		UINT8_C(0)
+#define BMA423_ANY_NO_MOTION_THRES_MSK		UINT16_C(0x07FF)
+
+/**\name Any motion selection macros */
+#define BMA423_ANY_NO_MOTION_SEL_POS		UINT8_C(3)
+#define BMA423_ANY_NO_MOTION_SEL_MSK		UINT8_C(0x08)
+
+/**\name Any motion enable macros */
+#define BMA423_ANY_NO_MOTION_AXIS_EN_POS	UINT8_C(5)
+#define BMA423_ANY_NO_MOTION_AXIS_EN_MSK	UINT8_C(0xE0)
+
+/**\name Any motion duration macros */
+#define BMA423_ANY_NO_MOTION_DUR_MSK		UINT16_C(0x1FFF)
+
+/**************************************************************/
+/**\name	User macros */
+/**************************************************************/
+
+/**\name Anymotion/Nomotion axis enable macros */
+#define BMA423_X_AXIS_EN			UINT8_C(0x01)
+#define BMA423_Y_AXIS_EN			UINT8_C(0x02)
+#define BMA423_Z_AXIS_EN			UINT8_C(0x04)
+#define BMA423_ALL_AXIS_EN			UINT8_C(0x07)
+#define BMA423_ALL_AXIS_DIS			UINT8_C(0x00)
+
+/**\name Feature enable macros for the sensor */
+#define BMA423_STEP_CNTR			UINT8_C(0x01)
+/**\name Below macros are mutually exclusive */
+#define BMA423_ANY_MOTION			UINT8_C(0x02)
+#define BMA423_NO_MOTION			UINT8_C(0x04)
+#define BMA423_ACTIVITY				UINT8_C(0x08)
+#define BMA423_TILT					UINT8_C(0x10)
+#define BMA423_WAKEUP				UINT8_C(0x20)
+
+/**\name Interrupt status macros */
+#define BMA423_STEP_CNTR_INT			UINT8_C(0x02)
+#define BMA423_ACTIVITY_INT			UINT8_C(0x04)
+#define BMA423_TILT_INT				UINT8_C(0x08)
+#define BMA423_WAKEUP_INT			UINT8_C(0x20)
+#define BMA423_ANY_NO_MOTION_INT		UINT8_C(0x40)
+#define BMA423_ERROR_INT			UINT8_C(0x80)
+
+/**\name Activity recognition macros */
+#define BMA423_USER_STATIONARY			UINT8_C(0x00)
+#define BMA423_USER_WALKING			UINT8_C(0x01)
+#define BMA423_USER_RUNNING			UINT8_C(0x02)
+#define BMA423_STATE_INVALID			UINT8_C(0x03)
+
+/**\name Configuration selection macros */
+#define BMA423_PHONE_CONFIG			UINT8_C(0x00)
+#define BMA423_WRIST_CONFIG			UINT8_C(0x01)
+
+/**\name Step counter parameter setting(1-25) for phone */
+#define BMA423_PHONE_SC_PARAM_1    UINT16_C(0x132)
+#define BMA423_PHONE_SC_PARAM_2    UINT16_C(0x78E6)
+#define BMA423_PHONE_SC_PARAM_3    UINT16_C(0x84)
+#define BMA423_PHONE_SC_PARAM_4    UINT16_C(0x6C9C)
+#define BMA423_PHONE_SC_PARAM_5    UINT8_C(0x07)
+#define BMA423_PHONE_SC_PARAM_6    UINT16_C(0x7564)
+#define BMA423_PHONE_SC_PARAM_7    UINT16_C(0x7EAA)
+#define BMA423_PHONE_SC_PARAM_8    UINT16_C(0x55F)
+#define BMA423_PHONE_SC_PARAM_9    UINT16_C(0xABE)
+#define BMA423_PHONE_SC_PARAM_10   UINT16_C(0x55F)
+#define BMA423_PHONE_SC_PARAM_11   UINT16_C(0xE896)
+#define BMA423_PHONE_SC_PARAM_12   UINT16_C(0x41EF)
+#define BMA423_PHONE_SC_PARAM_13   UINT8_C(0x01)
+#define BMA423_PHONE_SC_PARAM_14   UINT8_C(0x0C)
+#define BMA423_PHONE_SC_PARAM_15   UINT8_C(0x0C)
+#define BMA423_PHONE_SC_PARAM_16   UINT8_C(0x4A)
+#define BMA423_PHONE_SC_PARAM_17   UINT8_C(0xA0)
+#define BMA423_PHONE_SC_PARAM_18   UINT8_C(0x00)
+#define BMA423_PHONE_SC_PARAM_19   UINT8_C(0x0C)
+#define BMA423_PHONE_SC_PARAM_20   UINT16_C(0x3CF0)
+#define BMA423_PHONE_SC_PARAM_21   UINT16_C(0x100)
+#define BMA423_PHONE_SC_PARAM_22   UINT8_C(0x00)
+#define BMA423_PHONE_SC_PARAM_23   UINT8_C(0x00)
+#define BMA423_PHONE_SC_PARAM_24   UINT8_C(0x00)
+#define BMA423_PHONE_SC_PARAM_25   UINT8_C(0x00)
+
+/**\name Step counter parameter setting(1-25) for wrist (Default) */
+#define BMA423_WRIST_SC_PARAM_1   UINT16_C(0x12D)
+#define BMA423_WRIST_SC_PARAM_2   UINT16_C(0x7BD4)
+#define BMA423_WRIST_SC_PARAM_3   UINT16_C(0x13B)
+#define BMA423_WRIST_SC_PARAM_4   UINT16_C(0x7ADB)
+#define BMA423_WRIST_SC_PARAM_5   UINT8_C(0x04)
+#define BMA423_WRIST_SC_PARAM_6   UINT16_C(0x7B3F)
+#define BMA423_WRIST_SC_PARAM_7   UINT16_C(0x6CCD)
+#define BMA423_WRIST_SC_PARAM_8   UINT16_C(0x4C3)
+#define BMA423_WRIST_SC_PARAM_9   UINT16_C(0x985)
+#define BMA423_WRIST_SC_PARAM_10  UINT16_C(0x4C3)
+#define BMA423_WRIST_SC_PARAM_11  UINT16_C(0xE6EC)
+#define BMA423_WRIST_SC_PARAM_12  UINT16_C(0x460C)
+#define BMA423_WRIST_SC_PARAM_13  UINT8_C(0x01)
+#define BMA423_WRIST_SC_PARAM_14  UINT8_C(0x27)
+#define BMA423_WRIST_SC_PARAM_15  UINT8_C(0x19)
+#define BMA423_WRIST_SC_PARAM_16  UINT8_C(0x96)
+#define BMA423_WRIST_SC_PARAM_17  UINT8_C(0xA0)
+#define BMA423_WRIST_SC_PARAM_18  UINT8_C(0x01)
+#define BMA423_WRIST_SC_PARAM_19  UINT8_C(0x0C)
+#define BMA423_WRIST_SC_PARAM_20  UINT16_C(0x3CF0)
+#define BMA423_WRIST_SC_PARAM_21  UINT16_C(0x100)
+#define BMA423_WRIST_SC_PARAM_22  UINT8_C(0x01)
+#define BMA423_WRIST_SC_PARAM_23  UINT8_C(0x03)
+#define BMA423_WRIST_SC_PARAM_24  UINT8_C(0x01)
+#define BMA423_WRIST_SC_PARAM_25  UINT8_C(0x0E)
+
+/*!
+ * @brief Any motion configuration
+ */
+struct bma423_anymotion_config {
+	/*! Expressed in 50 Hz samples (20 ms) */
+	uint16_t duration;
+	/*! Threshold value for Any-motion / No-motion detection in
+	5.11g format */
+	uint16_t threshold;
+	/*! Indicates if No-motion or Any-motion is selected */
+	uint8_t nomotion_sel;
+};
+
+/*!
+ * @brief Axes remapping configuration
+ */
+struct bma423_axes_remap {
+	uint8_t x_axis;
+	uint8_t x_axis_sign;
+	uint8_t y_axis;
+	uint8_t y_axis_sign;
+	uint8_t z_axis;
+	uint8_t z_axis_sign;
+};
+
+/*!
+ * @brief Step counter param settings
+ */
+struct bma423_stepcounter_settings {
+	/*! Step Counter param 1 */
+	uint16_t param1;
+	/*! Step Counter param 2 */
+	uint16_t param2;
+	/*! Step Counter param 3 */
+	uint16_t param3;
+	/*! Step Counter param 4 */
+	uint16_t param4;
+	/*! Step Counter param 5 */
+	uint16_t param5;
+	/*! Step Counter param 6 */
+	uint16_t param6;
+	/*! Step Counter param 7 */
+	uint16_t param7;
+	/*! Step Counter param 8 */
+	uint16_t param8;
+	/*! Step Counter param 9 */
+	uint16_t param9;
+	/*! Step Counter param 10 */
+	uint16_t param10;
+	/*! Step Counter param 11 */
+	uint16_t param11;
+	/*! Step Counter param 12 */
+	uint16_t param12;
+	/*! Step Counter param 13 */
+	uint16_t param13;
+	/*! Step Counter param 14 */
+	uint16_t param14;
+	/*! Step Counter param 15 */
+	uint16_t param15;
+	/*! Step Counter param 16 */
+	uint16_t param16;
+	/*! Step Counter param 17 */
+	uint16_t param17;
+	/*! Step Counter param 18 */
+	uint16_t param18;
+	/*! Step Counter param 19 */
+	uint16_t param19;
+	/*! Step Counter param 20 */
+	uint16_t param20;
+	/*! Step Counter param 21 */
+	uint16_t param21;
+	/*! Step Counter param 22 */
+	uint16_t param22;
+	/*! Step Counter param 23 */
+	uint16_t param23;
+	/*! Step Counter param 24 */
+	uint16_t param24;
+	/*! Step Counter param 25 */
+	uint16_t param25;
+};
+
+/*!
+ *	@brief This API is the entry point.
+ *	Call this API before using all other APIs.
+ *	This API reads the chip-id of the sensor and sets the resolution.
+ *
+ *	@param[in,out] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_init(struct bma4_dev *dev);
+
+/*!
+ *	@brief This API is used to upload the config file to enable
+ *	the features of the sensor.
+ *
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_write_config_file(struct bma4_dev *dev);
+
+/*!
+ *	@brief This API is used to get the configuration id of the sensor.
+ *
+ *	@param[out] config_id : Pointer variable used to store
+ *	the configuration id.
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_get_config_id(uint16_t *config_id, struct bma4_dev *dev);
+
+
+/*!
+ *	@brief This API sets/unsets the user provided interrupt to either
+ *	interrupt pin1 or pin2 in the sensor.
+ *
+ *	@param[in] int_line: Variable to select either interrupt pin1 or pin2.
+ *  int_line    |   Macros
+ *  ------------|-------------------
+ *		0       | BMA4_INTR1_MAP
+ *		1       | BMA4_INTR2_MAP
+ *	@param[in] int_map : Variable to specify the interrupts.
+ *	@param[in] enable : Variable to specify mapping or unmapping of
+ *	interrupts.
+ *	enable		|	Macros
+ *  --------------------|-------------------
+ *	0x00		|  BMA4_DISABLE
+ *	0x01		|  BMA4_ENABLE
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@note Below macros specify the interrupts.
+ *	Feature Interrupts
+ *	  - BMA423_STEP_CNTR_INT
+ *	  - BMA423_ACTIVITY_INT
+ *	  - BMA423_TILT_INT
+ *	  - BMA423_WAKEUP_INT
+ *	  - BMA423_ANY_NO_MOTION_INT
+ *	  - BMA423_ERROR_INT
+ *
+ *	Hardware Interrupts
+ *	  - BMA4_FIFO_FULL_INT
+ *	  - BMA4_FIFO_WM_INT
+ *	  - BMA4_DATA_RDY_INT
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_map_interrupt(uint8_t int_line, uint16_t int_map, uint8_t enable, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the bma423 interrupt status from the sensor.
+ *
+ *	@param[out] int_status : Variable to store the interrupt status
+ *	read from the sensor.
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@note Below macros are used to check the interrupt status.
+ *	Feature Interrupts
+ *
+ *	  - BMA423_STEP_CNTR_INT
+ *	  - BMA423_ACTIVITY_INT
+ *	  - BMA423_TILT_INT
+ *	  - BMA423_WAKEUP_INT
+ *	  - BMA423_ANY_NO_MOTION_INT
+ *	  - BMA423_ERROR_INT
+ *
+ *
+ *	Hardware Interrupts
+ *	  - BMA4_FIFO_FULL_INT
+ *	  - BMA4_FIFO_WM_INT
+ *	  - BMA4_MAG_DATA_RDY_INT
+ *	  - BMA4_ACCEL_DATA_RDY_INT
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_read_int_status(uint16_t *int_status, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API enables/disables the features of the sensor.
+ *
+ *	@param[in] feature : Variable to specify the features
+ *	which are to be set in bma423 sensor.
+ *	@param[in] enable : Variable which specifies whether to enable or
+ *	disable the features in the bma423 sensor
+ *	enable		|	Macros
+ *  --------------------|-------------------
+ *	0x00		|  BMA4_DISABLE
+ *	0x01		|  BMA4_ENABLE
+ *	@param[in] dev : Structure instance of bma4_dev.
+ *
+ *	@note User should use the below macros to enable or disable the
+ *	features of bma423 sensor
+ *	  - BMA423_STEP_CNTR
+ *	  - BMA423_ANY_MOTION (or) BMA423_NO_MOTION
+ *	  - BMA423_ACTIVITY
+ *	  - BMA423_WAKEUP
+ *	  - BMA423_TILT
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_feature_enable(uint8_t feature, uint8_t enable, struct bma4_dev *dev);
+
+
+/*!
+ *	@brief This API performs x, y and z axis remapping in the sensor.
+ *
+ *	@param[in] remap_data : Pointer to store axes remapping data.
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_set_remap_axes(const struct bma423_axes_remap *remap_data, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API reads the x, y and z axis remap data from the sensor.
+ *
+ *	@param[out] remap_data : Pointer to store axis remap data which is read
+ *	from the bma423 sensor.
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_get_remap_axes(struct bma423_axes_remap *remap_data, struct bma4_dev *dev);
+
+
+/*!
+ *	@brief This API sets the watermark level for step counter
+ *	interrupt in the sensor.
+ *
+ *	@param[in] step_counter_wm : Variable which specifies watermark level
+ *	count
+ *	@note Valid values are from 1 to 1023
+ *	@note Value 0 is used for step detector interrupt
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_step_counter_set_watermark(uint16_t step_counter_wm, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API gets the water mark level set for step counter interrupt
+ *	in the sensor
+ *
+ *	@param[out] step_counter_wm : Pointer variable which stores
+ *	the water mark level read from the sensor.
+ *	@note valid values are from 1 to 1023
+ *	@note value 0 is used for step detector interrupt
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_step_counter_get_watermark(uint16_t *step_counter_wm, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API resets the counted steps of step counter.
+ *
+ *	@param[in] dev : structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_reset_step_counter(struct bma4_dev *dev);
+
+/*!
+ *	@brief This API gets the number of counted steps of the step counter
+ *	feature from the sensor.
+ *
+ *  @param[out] step_count : Pointer variable which stores counted steps
+ *	read from the sensor.
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_step_counter_output(uint32_t *step_count, struct bma4_dev *dev);
+
+/*!
+ *  @brief This API gets the output for activity feature.
+ *
+ *  @param[out] activity : Pointer variable which stores activity output
+ *  read from the sensor.
+ *       activity |   State
+ *  --------------|------------------------
+ *        0x00    | BMA423_USER_STATIONARY
+ *        0x01    | BMA423_USER_WALKING
+ *        0x02    | BMA423_USER_RUNNING
+ *        0x03    | BMA423_STATE_INVALID
+ *
+ *  @param[in] dev : Structure instance of bma4_dev
+ *  @return Result of API execution status
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ */
+uint16_t bma423_activity_output(uint8_t *activity, struct bma4_dev *dev);
+
+/*!
+ *  @brief This API select the platform configuration wrist(default) or phone.
+ *
+ *  @param[in] platform : Variable to select wrist/phone
+ *
+ *     platform  |   Macros
+ *  -------------|------------------------
+ *        0x00   | BMA423_PHONE_CONFIG
+ *        0x01   | BMA423_WRIST_CONFIG
+ *
+ *  @param[in] dev : Structure instance of bma4_dev
+ *  @return Result of API execution status
+ *  @retval 0 -> Success
+ *  @retval Any non zero value -> Fail
+ */
+uint16_t bma423_select_platform(uint8_t platform, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API gets the parameter1 to parameter7 settings of the
+ *	step counter feature.
+ *
+ *	@param[out] setting : Pointer to structure variable which stores the
+ *	parameter1 to parameter7 read from the sensor.
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_stepcounter_get_parameter(struct bma423_stepcounter_settings *setting, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the parameter1 to parameter7 settings of the
+ *	step counter feature in the sensor.
+ *
+ *	@param[in] setting : Pointer to structure variable which stores the
+ *	parameter1 to parameter7 settings read from the sensor.
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_stepcounter_set_parameter(const struct bma423_stepcounter_settings *setting, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API enables or disables the step detector feature in the
+ *	sensor.
+ *
+ *	@param[in] enable : Variable used to enable or disable step detector
+ *	enable		|	Macros
+ *  --------------------|-------------------
+ *	0x00		|  BMA4_DISABLE
+ *	0x01		|  BMA4_ENABLE
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_step_detector_enable(uint8_t enable, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API enables the any motion feature according to the axis
+ *	set by the user in the sensor.
+ *
+ *	@param[in] axis : Variable to specify the axis of the any motion feature
+ *	to be enabled in the sensor.
+ *  Value    |  Axis
+ *  ---------|-------------------------
+ *  0x00     |  BMA423_ALL_AXIS_DIS
+ *  0x01     |  BMA423_X_AXIS_EN
+ *  0x02     |  BMA423_Y_AXIS_EN
+ *  0x04     |  BMA423_Z_AXIS_EN
+ *  0x07     |  BMA423_ALL_AXIS_EN
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_anymotion_enable_axis(uint8_t axis, struct bma4_dev *dev);
+
+/*!	@brief	This API sets the configuration of Any motion feature in
+ *	the sensor.
+ *
+ *	@param[in]	any_motion : Pointer to structure variable to specify
+ *	the any motion feature settings.
+ *	Structure members are provided in the table below
+ *@verbatim
+ * -------------------------------------------------------------------------
+ *         Structure parameters    |        Description
+ * --------------------------------|----------------------------------------
+ *                                 |        Defines the number of
+ *                                 |        consecutive data points for
+ *                                 |        which the threshold condition
+ *         duration                |        must be respected, for interrupt
+ *                                 |        assertion. It is expressed in
+ *                                 |        50 Hz samples (20 ms).
+ *                                 |        Range is 0 to 163sec.
+ *                                 |        Default value is 5 = 100ms.
+ * --------------------------------|----------------------------------------
+ *                                 |        Slope threshold value for
+ *                                 |        Any-motion / No-motion detection
+ *         threshold               |        in 5.11g format.
+ *                                 |        Range is 0 to 1g.
+ *                                 |        Default value is 0xAA = 83mg.
+ * --------------------------------|----------------------------------------
+ *                                 |        Indicates if No motion (1) or
+ *         nomotion_sel            |        Any-motion (0) is selected;
+ *                                 |        default value is 0 Any-motion.
+ * -------------------------------------------------------------------------
+ *@endverbatim
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_set_any_motion_config(const struct bma423_anymotion_config *any_motion, struct bma4_dev *dev);
+
+/*!	@brief	This API gets the configuration of any motion feature from
+ *	the sensor.
+ *
+ *	@param[out]	any_motion : Pointer to structure variable used to store
+ *	the any motion feature settings read from the sensor.
+ *	Structure members are provided in the table below
+ *@verbatim
+ * -------------------------------------------------------------------------
+ *         Structure parameters    |        Description
+ * --------------------------------|----------------------------------------
+ *                                 |        Defines the number of
+ *                                 |        consecutive data points for
+ *                                 |        which the threshold condition
+ *         duration                |        must be respected, for interrupt
+ *                                 |        assertion. It is expressed in
+ *                                 |        50 Hz samples (20 ms).
+ *                                 |        Range is 0 to 163sec.
+ *                                 |        Default value is 5 = 100ms.
+ * --------------------------------|----------------------------------------
+ *                                 |        Slope threshold value for
+ *                                 |        Any-motion / No-motion detection
+ *         threshold               |        in 5.11g format.
+ *                                 |        Range is 0 to 1g.
+ *                                 |        Default value is 0xAA = 83mg.
+ * --------------------------------|----------------------------------------
+ *                                 |        Indicates if No motion (1) or
+ *         nomotion_sel            |        Any-motion (0) is selected;
+ *                                 |        default value is 0 Any-motion.
+ * -------------------------------------------------------------------------
+ *@endverbatim
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_get_any_motion_config(struct bma423_anymotion_config *any_motion, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API sets the sensitivity of wake up feature in the sensor
+ *
+ *	@param[in] sensitivity : Variable used to specify the sensitivity of the
+ *	Wake up feature.
+ *	Value	|  Sensitivity
+ *	--------|-------------------------
+ *	0x00	|  MOST SENSITIVE
+ *	0x07	|  LEAST SENSITIVE
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_wakeup_set_sensitivity(uint8_t sensitivity, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API gets the sensitivity of wake up feature in the sensor
+ *
+ *	@param[out] sensitivity : Pointer variable which stores the sensitivity
+ *	value read from the sensor.
+ *	Value	|  Sensitivity
+ *	--------|-------------------------
+ *	0x00	|  MOST SENSITIVE
+ *	0x07	|  LEAST SENSITIVE
+ *	@param[in] dev : Structure instance of bma4_dev
+ *
+ *	@return Result of API execution status
+ *	@retval 0 -> Success
+ *	@retval Any non zero value -> Fail
+ */
+uint16_t bma423_wakeup_get_sensitivity(uint8_t *sensitivity, struct bma4_dev *dev);
+
+/*!
+ *	@brief This API is used to select single/double tap
+ *	feature in the sensor
+ *
+ *	@param tap_select : Variable used to specify the single or
+ *	double tap selection in the sensor
+ *      tap_select  |  description
+ *      ------------|------------------------
+ *      0x00        |  Double tap selected
+ *      0x01        |  single tap selected
+ *
+ *	@param dev : Structure instance of bma4_dev
+ *
+ *	@return results of stream_transfer operation
+ *	@retval 0 -> Success
+ *	@retval Any positive value mentioned in ERROR CODES -> Fail
+ *
+ */
+uint16_t bma423_tap_selection(const uint8_t tap_select, struct bma4_dev *dev);
+
+#ifdef __cplusplus
+}
+#endif /*End of CPP guard */
+
+#endif /*End of header guard macro */
diff --git a/lib/libesp32/TTGO_TWatch_Library/src/bma4_defs.h b/lib/libesp32_div/TTGO_TWatch_Library/src/bma4_defs.h
old mode 100755
new mode 100644
similarity index 96%
rename from lib/libesp32/TTGO_TWatch_Library/src/bma4_defs.h
rename to lib/libesp32_div/TTGO_TWatch_Library/src/bma4_defs.h
index 9ff81d659..83a595078
--- a/lib/libesp32/TTGO_TWatch_Library/src/bma4_defs.h
+++ b/lib/libesp32_div/TTGO_TWatch_Library/src/bma4_defs.h
@@ -1,960 +1,960 @@
-/*
-*
-****************************************************************************
-* Copyright (C) 2017 - 2018 Bosch Sensortec GmbH
-*
-* File : bma4_defs.h
-*
-* Date: 12 Oct 2017
-*
-* Revision: 2.1.9 $
-*
-* Usage: Sensor Driver for BMA4 family of sensors
-*
-****************************************************************************
-*
-* Disclaimer
-*
-* Common:
-* Bosch Sensortec products are developed for the consumer goods industry.
-* They may only be used within the parameters of the respective valid
-* product data sheet.  Bosch Sensortec products are provided with the
-* express understanding that there is no warranty of fitness for a
-* particular purpose.They are not fit for use in life-sustaining,
-* safety or security sensitive systems or any system or device
-* that may lead to bodily harm or property damage if the system
-* or device malfunctions. In addition,Bosch Sensortec products are
-* not fit for use in products which interact with motor vehicle systems.
-* The resale and or use of products are at the purchasers own risk and
-* his own responsibility. The examination of fitness for the intended use
-* is the sole responsibility of the Purchaser.
-*
-* The purchaser shall indemnify Bosch Sensortec from all third party
-* claims, including any claims for incidental, or consequential damages,
-* arising from any product use not covered by the parameters of
-* the respective valid product data sheet or not approved by
-* Bosch Sensortec and reimburse Bosch Sensortec for all costs in
-* connection with such claims.
-*
-* The purchaser must monitor the market for the purchased products,
-* particularly with regard to product safety and inform Bosch Sensortec
-* without delay of all security relevant incidents.
-*
-* Engineering Samples are marked with an asterisk (*) or (e).
-* Samples may vary from the valid technical specifications of the product
-* series. They are therefore not intended or fit for resale to third
-* parties or for use in end products. Their sole purpose is internal
-* client testing. The testing of an engineering sample may in no way
-* replace the testing of a product series. Bosch Sensortec assumes
-* no liability for the use of engineering samples.
-* By accepting the engineering samples, the Purchaser agrees to indemnify
-* Bosch Sensortec from all claims arising from the use of engineering
-* samples.
-*
-* Special:
-* This software module (hereinafter called "Software") and any information
-* on application-sheets (hereinafter called "Information") is provided
-* free of charge for the sole purpose to support your application work.
-* The Software and Information is subject to the following
-* terms and conditions:
-*
-* The Software is specifically designed for the exclusive use for
-* Bosch Sensortec products by personnel who have special experience
-* and training. Do not use this Software if you do not have the
-* proper experience or training.
-*
-* This Software package is provided `` as is `` and without any expressed
-* or implied warranties,including without limitation, the implied warranties
-* of merchantability and fitness for a particular purpose.
-*
-* Bosch Sensortec and their representatives and agents deny any liability
-* for the functional impairment
-* of this Software in terms of fitness, performance and safety.
-* Bosch Sensortec and their representatives and agents shall not be liable
-* for any direct or indirect damages or injury, except as
-* otherwise stipulated in mandatory applicable law.
-*
-* The Information provided is believed to be accurate and reliable.
-* Bosch Sensortec assumes no responsibility for the consequences of use
-* of such Information nor for any infringement of patents or
-* other rights of third parties which may result from its use.
-* No license is granted by implication or otherwise under any patent or
-* patent rights of Bosch. Specifications mentioned in the Information are
-* subject to change without notice.
-**************************************************************************/
-/*! \file bma4_defs.h
-    \brief Sensor Driver for BMA4 family of sensors */
-#ifndef BMA4_DEFS_H__
-#define	BMA4_DEFS_H__
-/*********************************************************************/
-/**\ header files */
-#ifdef __KERNEL__
-#include <linux/types.h>
-#else
-#include <stdint.h>
-#include <stddef.h>
-#include <math.h>
-#endif
-
-/*********************************************************************/
-/* macro definitions */
-
-/*
-#if (LONG_MAX) > 0x7fffffff
-#define __have_long64	1
-#elif (LONG_MAX) == 0x7fffffff
-#define __have_long32	1
-#endif
-*/
-
-#if !defined(UINT8_C)
-#define INT8_C(x)       x
-#if (INT_MAX) > 0x7f
-#define UINT8_C(x)      x
-#else
-#define UINT8_C(x)      x##U
-#endif
-#endif
-
-#if !defined(UINT16_C)
-#define INT16_C(x)      x
-#if (INT_MAX) > 0x7fff
-#define UINT16_C(x)     x
-#else
-#define UINT16_C(x)     x##U
-#endif
-#endif
-
-#if !defined(INT32_C) && !defined(UINT32_C)
-#if __have_long32
-#define INT32_C(x)      x##L
-#define UINT32_C(x)     x##UL
-#else
-#define INT32_C(x)      x
-#define UINT32_C(x)     x##U
-#endif
-#endif
-
-#if !defined(INT64_C) && !defined(UINT64_C)
-#if __have_long64
-#define INT64_C(x)      x##L
-#define UINT64_C(x)     x##UL
-#else
-#define INT64_C(x)      x##LL
-#define UINT64_C(x)     x##ULL
-#endif
-#endif
-
-/**\name CHIP ID ADDRESS*/
-#define	BMA4_CHIP_ID_ADDR		 UINT8_C(0x00)
-
-/**\name ERROR STATUS*/
-#define	BMA4_ERROR_ADDR		UINT8_C(0X02)
-
-/**\name STATUS REGISTER FOR SENSOR STATUS FLAG*/
-#define	BMA4_STATUS_ADDR	UINT8_C(0X03)
-
-/**\name AUX/ACCEL DATA BASE ADDRESS REGISTERS*/
-#define	BMA4_DATA_0_ADDR	UINT8_C(0X0A)
-#define	BMA4_DATA_8_ADDR	UINT8_C(0X12)
-
-/**\name SENSOR TIME REGISTERS*/
-#define	BMA4_SENSORTIME_0_ADDR	UINT8_C(0X18)
-
-/**\name INTERRUPT/FEATURE STATUS REGISTERS*/
-#define	BMA4_INT_STAT_0_ADDR	UINT8_C(0X1C)
-
-/**\name INTERRUPT/FEATURE STATUS REGISTERS*/
-#define	BMA4_INT_STAT_1_ADDR	UINT8_C(0X1D)
-
-/**\name TEMPERATURE REGISTERS*/
-#define	BMA4_TEMPERATURE_ADDR	UINT8_C(0X22)
-
-/**\name FIFO REGISTERS*/
-#define	BMA4_FIFO_LENGTH_0_ADDR		UINT8_C(0X24)
-#define	BMA4_FIFO_DATA_ADDR			UINT8_C(0X26)
-
-/**\name ACCEL CONFIG REGISTERS*/
-#define	BMA4_ACCEL_CONFIG_ADDR		UINT8_C(0X40)
-
-/**\name ACCEL RANGE ADDRESS*/
-#define	BMA4_ACCEL_RANGE_ADDR		UINT8_C(0X41)
-
-/**\name AUX CONFIG REGISTERS*/
-#define	BMA4_AUX_CONFIG_ADDR		UINT8_C(0X44)
-
-/**\name FIFO DOWN SAMPLING REGISTER ADDRESS FOR ACCEL*/
-#define	BMA4_FIFO_DOWN_ADDR			UINT8_C(0X45)
-
-/**\name FIFO WATERMARK REGISTER ADDRESS*/
-#define	BMA4_FIFO_WTM_0_ADDR		UINT8_C(0X46)
-
-/**\name FIFO CONFIG REGISTERS*/
-#define	BMA4_FIFO_CONFIG_0_ADDR		UINT8_C(0X48)
-#define	BMA4_FIFO_CONFIG_1_ADDR		UINT8_C(0X49)
-
-/**\name MAG INTERFACE REGISTERS*/
-#define	BMA4_AUX_DEV_ID_ADDR		UINT8_C(0X4B)
-#define	BMA4_AUX_IF_CONF_ADDR		UINT8_C(0X4C)
-#define	BMA4_AUX_RD_ADDR			UINT8_C(0X4D)
-#define	BMA4_AUX_WR_ADDR			UINT8_C(0X4E)
-#define	BMA4_AUX_WR_DATA_ADDR		UINT8_C(0X4F)
-
-/**\name INTERRUPT ENABLE REGISTERS*/
-#define	BMA4_INT1_IO_CTRL_ADDR		UINT8_C(0X53)
-#define	BMA4_INT2_IO_CTRL_ADDR		UINT8_C(0X54)
-
-/**\name LATCH DURATION REGISTERS*/
-#define	BMA4_INTR_LATCH_ADDR		UINT8_C(0X55)
-
-/**\name MAP INTERRUPT 1 and 2 REGISTERS*/
-#define	BMA4_INT_MAP_1_ADDR			UINT8_C(0X56)
-#define	BMA4_INT_MAP_2_ADDR			UINT8_C(0X57)
-#define	BMA4_INT_MAP_DATA_ADDR		UINT8_C(0x58)
-#define	BMA4_INIT_CTRL_ADDR			UINT8_C(0x59)
-
-/**\name FEATURE CONFIG RELATED */
-#define BMA4_RESERVED_REG_5B_ADDR		UINT8_C(0x5B)
-#define BMA4_RESERVED_REG_5C_ADDR		UINT8_C(0x5C)
-#define	BMA4_FEATURE_CONFIG_ADDR		UINT8_C(0x5E)
-#define	BMA4_INTERNAL_ERROR			UINT8_C(0x5F)
-
-/**\name SERIAL INTERFACE SETTINGS REGISTER*/
-#define	BMA4_IF_CONFIG_ADDR		UINT8_C(0X6B)
-
-/**\name SELF_TEST REGISTER*/
-#define	BMA4_ACC_SELF_TEST_ADDR	UINT8_C(0X6D)
-
-/**\name SPI,I2C SELECTION REGISTER*/
-#define	BMA4_NV_CONFIG_ADDR		UINT8_C(0x70)
-
-/**\name ACCEL OFFSET REGISTERS*/
-#define	BMA4_OFFSET_0_ADDR		UINT8_C(0X71)
-#define	BMA4_OFFSET_1_ADDR		UINT8_C(0X72)
-#define	BMA4_OFFSET_2_ADDR		UINT8_C(0X73)
-
-/**\name POWER_CTRL REGISTER*/
-#define	BMA4_POWER_CONF_ADDR	UINT8_C(0x7C)
-#define	BMA4_POWER_CTRL_ADDR	UINT8_C(0x7D)
-
-/**\name COMMAND REGISTER*/
-#define	BMA4_CMD_ADDR		UINT8_C(0X7E)
-
-/**\name GPIO REGISTERS*/
-#define	BMA4_STEP_CNT_OUT_0_ADDR	UINT8_C(0x1E)
-#define	BMA4_HIGH_G_OUT_ADDR		UINT8_C(0x1F)
-#define	BMA4_ACTIVITY_OUT_ADDR		UINT8_C(0x27)
-#define	BMA4_ORIENTATION_OUT_ADDR	UINT8_C(0x28)
-#define	BMA4_INTERNAL_STAT			UINT8_C(0x2A)
-
-/*!
- * @brief Block size for config write */
-#define BMA4_BLOCK_SIZE			UINT8_C(32)
-
-/**\name I2C slave address */
-#define	BMA4_I2C_ADDR_PRIMARY	UINT8_C(0x18)
-#define	BMA4_I2C_ADDR_SECONDARY	UINT8_C(0x19)
-#define BMA4_I2C_BMM150_ADDR    UINT8_C(0x10)
-
-/**\name Interface selection macro */
-#define	BMA4_SPI_INTERFACE		UINT8_C(1)
-#define	BMA4_I2C_INTERFACE		UINT8_C(2)
-
-/**\name Interface selection macro */
-#define	BMA4_SPI_WR_MASK		UINT8_C(0x7F)
-#define	BMA4_SPI_RD_MASK		UINT8_C(0x80)
-
-/**\name Chip ID macros */
-#define BMA4_CHIP_ID_MIN		UINT8_C(0x10)
-#define BMA4_CHIP_ID_MAX		UINT8_C(0x15)
-
-/**\name Auxiliary sensor selection macro */
-#define	BMM150_SENSOR			UINT8_C(1)
-#define	AKM9916_SENSOR			UINT8_C(2)
-#define	BMA4_ASIC_INITIALIZED		UINT8_C(0x01)
-
-/**\name Auxiliary sensor chip id macros */
-#define BMM150_CHIP_ID                  UINT8_C(0x32)
-
-/**\name Auxiliary sensor other macros */
-#define BMM150_POWER_CONTROL_REG                UINT8_C(0x4B)
-#define BMM150_POWER_MODE_REG			UINT8_C(0x4C)
-
-/**\name	CONSTANTS */
-#define	BMA4_FIFO_CONFIG_LENGTH		UINT8_C(2)
-#define	BMA4_ACCEL_CONFIG_LENGTH	UINT8_C(2)
-#define	BMA4_FIFO_WM_LENGTH			UINT8_C(2)
-#define	BMA4_CONFIG_STREAM_SIZE		UINT16_C(6144)
-#define	BMA4_NON_LATCH_MODE			UINT8_C(0)
-#define	BMA4_LATCH_MODE				UINT8_C(1)
-#define	BMA4_OPEN_DRAIN				UINT8_C(1)
-#define	BMA4_PUSH_PULL				UINT8_C(0)
-#define	BMA4_ACTIVE_HIGH			UINT8_C(1)
-#define	BMA4_ACTIVE_LOW				UINT8_C(0)
-#define	BMA4_EDGE_TRIGGER			UINT8_C(1)
-#define	BMA4_LEVEL_TRIGGER			UINT8_C(0)
-#define	BMA4_OUTPUT_ENABLE			UINT8_C(1)
-#define	BMA4_OUTPUT_DISABLE			UINT8_C(0)
-#define	BMA4_INPUT_ENABLE			UINT8_C(1)
-#define	BMA4_INPUT_DISABLE			UINT8_C(0)
-
-/**\name ACCEL RANGE CHECK*/
-#define	BMA4_ACCEL_RANGE_2G		UINT8_C(0)
-#define	BMA4_ACCEL_RANGE_4G		UINT8_C(1)
-#define	BMA4_ACCEL_RANGE_8G		UINT8_C(2)
-#define	BMA4_ACCEL_RANGE_16G	UINT8_C(3)
-
-/**\name  CONDITION CHECK FOR READING AND WRTING DATA*/
-#define	BMA4_MAX_VALUE_FIFO_FILTER		UINT8_C(1)
-#define	BMA4_MAX_VALUE_SPI3				UINT8_C(1)
-#define	BMA4_MAX_VALUE_SELFTEST_AMP		UINT8_C(1)
-#define	BMA4_MAX_IF_MODE				UINT8_C(3)
-#define	BMA4_MAX_VALUE_SELFTEST_SIGN	UINT8_C(1)
-
-/**\name BUS READ AND WRITE LENGTH FOR MAG & ACCEL*/
-#define	BMA4_MAG_TRIM_DATA_SIZE		UINT8_C(16)
-#define	BMA4_MAG_XYZ_DATA_LENGTH	UINT8_C(6)
-#define	BMA4_MAG_XYZR_DATA_LENGTH	UINT8_C(8)
-#define	BMA4_ACCEL_DATA_LENGTH		UINT8_C(6)
-#define	BMA4_FIFO_DATA_LENGTH		UINT8_C(2)
-#define	BMA4_TEMP_DATA_SIZE			UINT8_C(1)
-
-/**\name TEMPERATURE CONSTANT */
-#define BMA4_OFFSET_TEMP		UINT8_C(23)
-#define BMA4_DEG			UINT8_C(1)
-#define BMA4_FAHREN			UINT8_C(2)
-#define BMA4_KELVIN			UINT8_C(3)
-
-/**\name DELAY DEFINITION IN MSEC*/
-#define	BMA4_AUX_IF_DELAY			UINT8_C(5)
-#define	BMA4_BMM150_WAKEUP_DELAY1	UINT8_C(2)
-#define	BMA4_BMM150_WAKEUP_DELAY2	UINT8_C(3)
-#define	BMA4_BMM150_WAKEUP_DELAY3	UINT8_C(1)
-#define	BMA4_GEN_READ_WRITE_DELAY	UINT8_C(1)
-#define	BMA4_AUX_COM_DELAY			UINT8_C(10)
-
-/**\name	ARRAY PARAMETER DEFINITIONS*/
-#define	BMA4_SENSOR_TIME_MSB_BYTE	UINT8_C(2)
-#define	BMA4_SENSOR_TIME_XLSB_BYTE	UINT8_C(1)
-#define	BMA4_SENSOR_TIME_LSB_BYTE	UINT8_C(0)
-#define	BMA4_MAG_X_LSB_BYTE			UINT8_C(0)
-#define	BMA4_MAG_X_MSB_BYTE			UINT8_C(1)
-#define	BMA4_MAG_Y_LSB_BYTE			UINT8_C(2)
-#define	BMA4_MAG_Y_MSB_BYTE			UINT8_C(3)
-#define	BMA4_MAG_Z_LSB_BYTE			UINT8_C(4)
-#define	BMA4_MAG_Z_MSB_BYTE			UINT8_C(5)
-#define	BMA4_MAG_R_LSB_BYTE			UINT8_C(6)
-#define	BMA4_MAG_R_MSB_BYTE			UINT8_C(7)
-#define	BMA4_TEMP_BYTE				UINT8_C(0)
-#define	BMA4_FIFO_LENGTH_MSB_BYTE	UINT8_C(1)
-
-/**\name	ERROR CODES	*/
-#define BMA4_OK				UINT16_C(0)
-#define BMA4_E_NULL_PTR			UINT16_C(1)
-#define BMA4_E_OUT_OF_RANGE		UINT16_C(1 << 1)
-#define BMA4_E_INVALID_SENSOR		UINT16_C(1 << 2)
-#define BMA4_E_CONFIG_STREAM_ERROR	UINT16_C(1 << 3)
-#define BMA4_E_SELF_TEST_FAIL		UINT16_C(1 << 4)
-#define BMA4_E_FOC_FAIL			UINT16_C(1 << 5)
-#define BMA4_E_FAIL			UINT16_C(1 << 6)
-#define BMA4_E_INT_LINE_INVALID		UINT16_C(1 << 7)
-#define BMA4_E_RD_WR_LENGTH_INVALID	UINT16_C(1 << 8)
-#define BMA4_E_AUX_CONFIG_FAIL		UINT16_C(1 << 9)
-#define BMA4_E_SC_FIFO_HEADER_ERR	UINT16_C(1 << 10)
-#define BMA4_E_SC_FIFO_CONFIG_ERR	UINT16_C(1 << 11)
-
-/**\name	UTILITY MACROS	*/
-#define	BMA4_SET_LOW_BYTE			UINT16_C(0x00FF)
-#define	BMA4_SET_HIGH_BYTE			UINT16_C(0xFF00)
-#define	BMA4_SET_LOW_NIBBLE			UINT8_C(0x0F)
-
-/**\name	FOC RELATED MACROS	*/
-#define	BMA4_ACCEL_CONFIG_FOC		UINT8_C(0xB7)
-
-/* Macros used for Self test */
-/* Self-test: Resulting minimum difference signal in mg for BMA42x */
-#define	BMA42X_ST_ACC_X_AXIS_SIGNAL_DIFF	UINT16_C(400)
-#define	BMA42X_ST_ACC_Y_AXIS_SIGNAL_DIFF	UINT16_C(800)
-#define	BMA42X_ST_ACC_Z_AXIS_SIGNAL_DIFF	UINT16_C(400)
-
-/* Self-test: Resulting minimum difference signal in mg for BMA45x */
-#define	BMA45X_ST_ACC_X_AXIS_SIGNAL_DIFF	UINT16_C(1800)
-#define	BMA45X_ST_ACC_Y_AXIS_SIGNAL_DIFF	UINT16_C(1800)
-#define	BMA45X_ST_ACC_Z_AXIS_SIGNAL_DIFF	UINT16_C(1800)
-
-/**\name BOOLEAN TYPES*/
-#ifndef TRUE
-#define TRUE	UINT8_C(0x01)
-#endif
-
-#ifndef FALSE
-#define FALSE	UINT8_C(0x00)
-#endif
-
-#ifndef NULL
-#define	NULL	UINT8_C(0x00)
-#endif
-
-/**\name	ERROR STATUS POSITION AND MASK*/
-#define	BMA4_FATAL_ERR_MSK		UINT8_C(0x01)
-#define	BMA4_CMD_ERR_POS		UINT8_C(1)
-#define	BMA4_CMD_ERR_MSK		UINT8_C(0x02)
-#define	BMA4_ERR_CODE_POS		UINT8_C(2)
-#define	BMA4_ERR_CODE_MSK		UINT8_C(0x1C)
-#define	BMA4_FIFO_ERR_POS		UINT8_C(6)
-#define	BMA4_FIFO_ERR_MSK		UINT8_C(0x40)
-#define	BMA4_AUX_ERR_POS		UINT8_C(7)
-#define	BMA4_AUX_ERR_MSK		UINT8_C(0x80)
-
-/**\name	Maximum number of bytes to be read from the sensor */
-#define	BMA4_MAX_BUFFER_SIZE            UINT8_C(81)
-
-/**\name	NV_CONFIG POSITION AND MASK*/
-/* NV_CONF Description - Reg Addr --> (0x70), Bit --> 3 */
-#define	BMA4_NV_ACCEL_OFFSET_POS	UINT8_C(3)
-#define	BMA4_NV_ACCEL_OFFSET_MSK	UINT8_C(0x08)
-
-/**\name	MAG DATA XYZ POSITION AND MASK*/
-#define	BMA4_DATA_MAG_X_LSB_POS		UINT8_C(3)
-#define	BMA4_DATA_MAG_X_LSB_MSK		UINT8_C(0xF8)
-#define	BMA4_DATA_MAG_Y_LSB_POS		UINT8_C(3)
-#define	BMA4_DATA_MAG_Y_LSB_MSK		UINT8_C(0xF8)
-#define	BMA4_DATA_MAG_Z_LSB_POS		UINT8_C(1)
-#define	BMA4_DATA_MAG_Z_LSB_MSK		UINT8_C(0xFE)
-#define	BMA4_DATA_MAG_R_LSB_POS		UINT8_C(2)
-#define	BMA4_DATA_MAG_R_LSB_MSK		UINT8_C(0xFC)
-
-/**\name ACCEL DATA READY POSITION AND MASK*/
-#define	BMA4_STAT_DATA_RDY_ACCEL_POS	UINT8_C(7)
-#define	BMA4_STAT_DATA_RDY_ACCEL_MSK	UINT8_C(0x80)
-
-/**\name MAG DATA READY POSITION AND MASK*/
-#define	BMA4_STAT_DATA_RDY_MAG_POS	UINT8_C(5)
-#define	BMA4_STAT_DATA_RDY_MAG_MSK	UINT8_C(0x20)
-
-/**\name ADVANCE POWER SAVE POSITION AND MASK*/
-#define	BMA4_ADVANCE_POWER_SAVE_MSK	UINT8_C(0x01)
-
-/**\name ACCELEROMETER ENABLE POSITION AND MASK*/
-#define	BMA4_ACCEL_ENABLE_POS		UINT8_C(2)
-#define	BMA4_ACCEL_ENABLE_MSK		UINT8_C(0x04)
-
-/**\name MAGNETOMETER ENABLE POSITION AND MASK*/
-#define	BMA4_MAG_ENABLE_MSK		UINT8_C(0x01)
-
-/**\name	ACCEL CONFIGURATION POSITION AND MASK*/
-#define	BMA4_ACCEL_ODR_MSK			UINT8_C(0x0F)
-#define	BMA4_ACCEL_BW_POS			UINT8_C(4)
-#define	BMA4_ACCEL_BW_MSK			UINT8_C(0x70)
-#define	BMA4_ACCEL_RANGE_MSK			UINT8_C(0x03)
-#define	BMA4_ACCEL_PERFMODE_POS			UINT8_C(7)
-#define	BMA4_ACCEL_PERFMODE_MSK			UINT8_C(0x80)
-
-/**\name	MAG CONFIGURATION POSITION AND MASK*/
-#define	BMA4_MAG_CONFIG_OFFSET_POS		UINT8_C(4)
-#define	BMA4_MAG_CONFIG_OFFSET_LEN		UINT8_C(4)
-#define	BMA4_MAG_CONFIG_OFFSET_MSK		UINT8_C(0xF0)
-#define	BMA4_MAG_CONFIG_OFFSET_REG		(BMA4_AUX_CONFIG_ADDR)
-
-/**\name FIFO SELF WAKE UP POSITION AND MASK*/
-#define	BMA4_FIFO_SELF_WAKE_UP_POS	UINT8_C(1)
-#define	BMA4_FIFO_SELF_WAKE_UP_MSK	UINT8_C(0x02)
-
-/**\name	FIFO BYTE COUNTER POSITION AND MASK*/
-#define	BMA4_FIFO_BYTE_COUNTER_MSB_MSK	UINT8_C(0x3F)
-
-/**\name	FIFO DATA POSITION AND MASK*/
-#define	BMA4_FIFO_DATA_POS		UINT8_C(0)
-#define	BMA4_FIFO_DATA_MSK		UINT8_C(0xFF)
-
-/**\name	FIFO FILTER FOR ACCEL  POSITION AND MASK*/
-#define	BMA4_FIFO_DOWN_ACCEL_POS		UINT8_C(4)
-#define	BMA4_FIFO_DOWN_ACCEL_MSK		UINT8_C(0x70)
-#define	BMA4_FIFO_FILTER_ACCEL_POS		UINT8_C(7)
-#define	BMA4_FIFO_FILTER_ACCEL_MSK		UINT8_C(0x80)
-
-/**\name	FIFO HEADER DATA DEFINITIONS    */
-#define	FIFO_HEAD_A					UINT8_C(0x84)
-#define	FIFO_HEAD_M					UINT8_C(0x90)
-#define	FIFO_HEAD_M_A				UINT8_C(0x94)
-#define	FIFO_HEAD_SENSOR_TIME		UINT8_C(0x44)
-#define	FIFO_HEAD_INPUT_CONFIG		UINT8_C(0x48)
-#define	FIFO_HEAD_SKIP_FRAME		UINT8_C(0x40)
-#define	FIFO_HEAD_OVER_READ_MSB		UINT8_C(0x80)
-#define FIFO_HEAD_SAMPLE_DROP		UINT8_C(0x50)
-
-/**\name	FIFO HEADERLESS MODE DATA ENABLE DEFINITIONS   */
-#define	BMA4_FIFO_M_A_ENABLE		UINT8_C(0x60)
-#define	BMA4_FIFO_A_ENABLE			UINT8_C(0x40)
-#define	BMA4_FIFO_M_ENABLE			UINT8_C(0x20)
-
-/**\name	FIFO CONFIGURATION SELECTION    */
-#define	BMA4_FIFO_STOP_ON_FULL		UINT8_C(0x01)
-#define	BMA4_FIFO_TIME				UINT8_C(0x02)
-#define	BMA4_FIFO_TAG_INTR2			UINT8_C(0x04)
-#define	BMA4_FIFO_TAG_INTR1			UINT8_C(0x08)
-#define	BMA4_FIFO_HEADER			UINT8_C(0x10)
-#define	BMA4_FIFO_MAG				UINT8_C(0x20)
-#define	BMA4_FIFO_ACCEL				UINT8_C(0x40)
-#define	BMA4_FIFO_ALL				UINT8_C(0x7F)
-#define	BMA4_FIFO_CONFIG_0_MASK		UINT8_C(0x03)
-#define	BMA4_FIFO_CONFIG_1_MASK		UINT8_C(0xFC)
-
-/**\name	FIFO FRAME COUNT DEFINITION     */
-#define FIFO_LSB_CONFIG_CHECK		UINT8_C(0x00)
-#define FIFO_MSB_CONFIG_CHECK		UINT8_C(0x80)
-#define	BMA4_FIFO_TAG_INTR_MASK		UINT8_C(0xFC)
-
-/**\name	FIFO DROPPED FRAME DEFINITION     */
-#define AUX_FIFO_DROP				UINT8_C(0x04)
-#define ACCEL_AUX_FIFO_DROP			UINT8_C(0x05)
-#define ACCEL_FIFO_DROP				UINT8_C(0x01)
-
-/**\name FIFO MAG DEFINITION*/
-#define	BMA4_MA_FIFO_A_X_LSB	UINT8_C(8)
-
-/**\name FIFO sensor time length definitions*/
-#define	BMA4_SENSOR_TIME_LENGTH		UINT8_C(3)
-
-/**\name FIFO LENGTH DEFINITION*/
-#define	BMA4_FIFO_A_LENGTH			UINT8_C(6)
-#define	BMA4_FIFO_M_LENGTH			UINT8_C(8)
-#define BMA4_FIFO_MA_LENGTH			UINT8_C(14)
-
-/**\name	MAG I2C ADDRESS SELECTION POSITION AND MASK*/
-#define	BMA4_I2C_DEVICE_ADDR_POS		UINT8_C(1)
-#define	BMA4_I2C_DEVICE_ADDR_MSK		UINT8_C(0xFE)
-
-/**\name MAG CONFIGURATION FOR SECONDARY INTERFACE POSITION AND MASK*/
-#define	BMA4_MAG_BURST_MSK			UINT8_C(0x03)
-#define	BMA4_MAG_MANUAL_ENABLE_POS		UINT8_C(7)
-#define	BMA4_MAG_MANUAL_ENABLE_MSK		UINT8_C(0x80)
-#define	BMA4_READ_ADDR_MSK			UINT8_C(0xFF)
-#define	BMA4_WRITE_ADDR_MSK			UINT8_C(0xFF)
-#define	BMA4_WRITE_DATA_MSK			UINT8_C(0xFF)
-
-/**\name	OUTPUT TYPE ENABLE POSITION AND MASK*/
-#define	BMA4_INT_EDGE_CTRL_MASK			UINT8_C(0x01)
-#define	BMA4_INT_EDGE_CTRL_POS			UINT8_C(0x00)
-#define	BMA4_INT_LEVEL_MASK				UINT8_C(0x02)
-#define	BMA4_INT_LEVEL_POS				UINT8_C(0x01)
-#define	BMA4_INT_OPEN_DRAIN_MASK		UINT8_C(0x04)
-#define	BMA4_INT_OPEN_DRAIN_POS			UINT8_C(0x02)
-#define	BMA4_INT_OUTPUT_EN_MASK			UINT8_C(0x08)
-#define	BMA4_INT_OUTPUT_EN_POS			UINT8_C(0x03)
-#define	BMA4_INT_INPUT_EN_MASK			UINT8_C(0x10)
-#define	BMA4_INT_INPUT_EN_POS			UINT8_C(0x04)
-
-/**\name	IF CONFIG POSITION AND MASK*/
-#define	BMA4_CONFIG_SPI3_MSK			UINT8_C(0x01)
-#define	BMA4_IF_CONFIG_IF_MODE_POS		UINT8_C(4)
-#define	BMA4_IF_CONFIG_IF_MODE_MSK		UINT8_C(0x10)
-
-/**\name	ACCEL SELF TEST POSITION AND MASK*/
-#define	BMA4_ACCEL_SELFTEST_ENABLE_MSK	UINT8_C(0x01)
-#define	BMA4_ACCEL_SELFTEST_SIGN_POS	UINT8_C(2)
-#define	BMA4_ACCEL_SELFTEST_SIGN_MSK	UINT8_C(0x04)
-#define	BMA4_SELFTEST_AMP_POS			UINT8_C(3)
-#define	BMA4_SELFTEST_AMP_MSK			UINT8_C(0x08)
-
-/**\name	ACCEL ODR          */
-#define	BMA4_OUTPUT_DATA_RATE_0_78HZ	UINT8_C(0x01)
-#define	BMA4_OUTPUT_DATA_RATE_1_56HZ	UINT8_C(0x02)
-#define	BMA4_OUTPUT_DATA_RATE_3_12HZ	UINT8_C(0x03)
-#define	BMA4_OUTPUT_DATA_RATE_6_25HZ	UINT8_C(0x04)
-#define	BMA4_OUTPUT_DATA_RATE_12_5HZ	UINT8_C(0x05)
-#define	BMA4_OUTPUT_DATA_RATE_25HZ		UINT8_C(0x06)
-#define	BMA4_OUTPUT_DATA_RATE_50HZ		UINT8_C(0x07)
-#define	BMA4_OUTPUT_DATA_RATE_100HZ		UINT8_C(0x08)
-#define	BMA4_OUTPUT_DATA_RATE_200HZ		UINT8_C(0x09)
-#define	BMA4_OUTPUT_DATA_RATE_400HZ		UINT8_C(0x0A)
-#define	BMA4_OUTPUT_DATA_RATE_800HZ		UINT8_C(0x0B)
-#define	BMA4_OUTPUT_DATA_RATE_1600HZ	UINT8_C(0x0C)
-
-/**\name	ACCEL BANDWIDTH PARAMETER         */
-#define	BMA4_ACCEL_OSR4_AVG1		UINT8_C(0)
-#define	BMA4_ACCEL_OSR2_AVG2		UINT8_C(1)
-#define	BMA4_ACCEL_NORMAL_AVG4	    UINT8_C(2)
-#define	BMA4_ACCEL_CIC_AVG8			UINT8_C(3)
-#define	BMA4_ACCEL_RES_AVG16		UINT8_C(4)
-#define	BMA4_ACCEL_RES_AVG32		UINT8_C(5)
-#define	BMA4_ACCEL_RES_AVG64		UINT8_C(6)
-#define	BMA4_ACCEL_RES_AVG128		UINT8_C(7)
-
-/**\name	ACCEL PERFMODE PARAMETER         */
-#define	BMA4_CIC_AVG_MODE			UINT8_C(0)
-#define	BMA4_CONTINUOUS_MODE		UINT8_C(1)
-
-/**\name	MAG OFFSET         */
-#define	BMA4_MAG_OFFSET_MAX		UINT8_C(0x00)
-
-/**\name	ENABLE/DISABLE SELECTIONS        */
-#define	BMA4_X_AXIS		UINT8_C(0)
-#define	BMA4_Y_AXIS		UINT8_C(1)
-#define	BMA4_Z_AXIS		UINT8_C(2)
-
-/**\name SELF TEST*/
-#define	BMA4_SELFTEST_PASS				UINT8_C(0)
-#define	BMA4_SELFTEST_FAIL				UINT8_C(1)
-
-/**\name INTERRUPT MAPS    */
-#define	BMA4_INTR1_MAP		UINT8_C(0)
-#define	BMA4_INTR2_MAP		UINT8_C(1)
-
-/**\name	INTERRUPT MASKS        */
-#define BMA4_FIFO_FULL_INT			UINT16_C(0x0100)
-#define BMA4_FIFO_WM_INT			UINT16_C(0x0200)
-#define BMA4_DATA_RDY_INT			UINT16_C(0x0400)
-#define BMA4_MAG_DATA_RDY_INT		UINT16_C(0x2000)
-#define BMA4_ACCEL_DATA_RDY_INT		UINT16_C(0x8000)
-
-
-/**\name	AKM POWER MODE SELECTION     */
-#define	AKM_POWER_DOWN_MODE			UINT8_C(0)
-#define	AKM_SINGLE_MEAS_MODE		UINT8_C(1)
-
-/**\name	SECONDARY_MAG POWER MODE SELECTION    */
-#define	BMA4_MAG_FORCE_MODE			UINT8_C(0)
-#define	BMA4_MAG_SUSPEND_MODE		UINT8_C(1)
-
-/**\name	MAG POWER MODE SELECTION    */
-#define	FORCE_MODE			UINT8_C(0)
-#define	SUSPEND_MODE		UINT8_C(1)
-
-/**\name	ACCEL POWER MODE    */
-#define	ACCEL_MODE_NORMAL	UINT8_C(0x11)
-
-/**\name	MAG POWER MODE    */
-#define	MAG_MODE_SUSPEND		UINT8_C(0x18)
-
-/**\name	ENABLE/DISABLE BIT VALUES    */
-#define	BMA4_ENABLE			UINT8_C(0x01)
-#define	BMA4_DISABLE		UINT8_C(0x00)
-
-/**\name	DEFINITION USED FOR DIFFERENT WRITE   */
-#define	BMA4_MANUAL_DISABLE			UINT8_C(0x00)
-#define	BMA4_MANUAL_ENABLE			UINT8_C(0x01)
-#define	BMA4_ENABLE_MAG_IF_MODE		UINT8_C(0x01)
-#define	BMA4_MAG_DATA_READ_REG		UINT8_C(0x0A)
-#define	BMA4_BMM_POWER_MODE_REG		UINT8_C(0x06)
-#define	BMA4_SEC_IF_NULL			UINT8_C(0)
-#define	BMA4_SEC_IF_BMM150			UINT8_C(1)
-#define	BMA4_SEC_IF_AKM09916		UINT8_C(2)
-#define BMA4_ENABLE_AUX_IF_MODE		UINT8_C(0x01)
-
-/**\name	SENSOR RESOLUTION   */
-#define BMA4_12_BIT_RESOLUTION		UINT8_C(12)
-#define BMA4_14_BIT_RESOLUTION		UINT8_C(14)
-#define BMA4_16_BIT_RESOLUTION      UINT8_C(16)
-
-/**\name    MULTIPLIER */
-/*! for handling micro-g values */
-#define BMA4XY_MULTIPLIER         UINT32_C(1000000)
-/*! for handling float temperature values */
-#define BMA4_SCALE_TEMP           INT32_C(1000)
-/* BMA4_FAHREN_SCALED = 1.8 * 1000 */
-#define BMA4_FAHREN_SCALED	  INT32_C(1800)
-/* BMA4_KELVIN_SCALED = 273.15 * 1000 */
-#define BMA4_KELVIN_SCALED	  INT32_C(273150)
-
-
-/**\name	MAP BURST READ LENGTHS  */
-#define BMA4_AUX_READ_LEN_0		0
-#define	BMA4_AUX_READ_LEN_1		1
-#define	BMA4_AUX_READ_LEN_2		2
-#define	BMA4_AUX_READ_LEN_3		3
-
-#ifndef ABS
-#define	ABS(a)		((a) > 0 ? (a) : -(a)) /*!< Absolute value */
-#endif
-
-/**\name	BIT SLICE GET AND SET FUNCTIONS */
-#define	BMA4_GET_BITSLICE(regvar, bitname)\
-		((regvar & bitname##_MSK) >> bitname##_POS)
-#define	BMA4_SET_BITSLICE(regvar, bitname, val)\
-		((regvar & ~bitname##_MSK) | \
-		((val<<bitname##_POS)&bitname##_MSK))
-#define	BMA4_GET_DIFF(x, y) ((x) - (y))
-
-#define BMA4_GET_LSB(var)	(uint8_t)(var & BMA4_SET_LOW_BYTE)
-#define BMA4_GET_MSB(var)	(uint8_t)((var & BMA4_SET_HIGH_BYTE) >> 8)
-
-#define BMA4_SET_BIT_VAL_0(reg_data, bitname) (reg_data & ~(bitname##_MSK))
-
-#define BMA4_SET_BITS_POS_0(reg_data, bitname, data) \
-				((reg_data & ~(bitname##_MSK)) | \
-				(data & bitname##_MSK))
-
-#define BMA4_GET_BITS_POS_0(reg_data, bitname)  (reg_data & (bitname##_MSK))
-
-/**\name	TYPEDEF DEFINITIONS */
-/*!
- * @brief Bus communication function pointer which should be mapped to
- * the platform specific read and write functions of the user
- */
-typedef uint16_t (*bma4_com_fptr_t)(uint8_t dev_addr, uint8_t reg_addr, uint8_t *read_data, uint16_t len);
-
-/*!	delay function pointer */
-typedef void (*bma4_delay_fptr_t)(uint32_t);
-
-/******************************************************************************/
-/*!  @name		   Enum Declarations                                  */
-/******************************************************************************/
-
-/*!  @name Enum to define BMA4 variants */
-enum  bma4_variant {
-	BMA42X_VARIANT = 1,
-	BMA45X_VARIANT
-};
-
-/**\name	STRUCTURE DEFINITIONS*/
-
-/*!
- *  @brief
- *  This structure holds asic info. for feature configuration.
- */
-struct bma4_asic_data {
-	/* Feature config start addr (0-3 bits)*/
-	uint8_t asic_lsb;
-	/* Feature config start addr (4-11 bits)*/
-	uint8_t asic_msb;
-};
-
-/*!
- * @brief Auxiliary configuration structure for user settings
- */
-struct bma4_aux_config {
-	/*! Device address of auxiliary sensor */
-	uint8_t aux_dev_addr;
-	/*! To enable manual or auto mode */
-	uint8_t manual_enable;
-	/*! No of bytes to be read at a time */
-	uint8_t burst_read_length;
-	/*! Variable to set the auxiliary interface */
-	uint8_t if_mode;
-};
-
-/*!
- *	@brief
- *	This structure holds all relevant information about BMA4
- */
-struct bma4_dev {
-	/*! Chip id of BMA4 */
-	uint8_t chip_id;
-	/*! Chip id of auxiliary sensor */
-	uint8_t aux_chip_id;
-	/*! Device address of BMA4 */
-	uint8_t dev_addr;
-	/*! Interface detail */
-	uint8_t interface;
-	/*! Auxiliary sensor information */
-	uint8_t aux_sensor;
-	/*! Decide SPI or I2C read mechanism */
-	uint8_t dummy_byte;
-	/*! Resolution for FOC */
-	uint8_t resolution;
-	/*! Define the BMA4 variant BMA42X or BMA45X */
-	enum bma4_variant variant;
-/*	! Used to check mag manual/auto mode status
-	int8_t mag_manual_enable;*/
-	/*! FIFO related configurations */
-	struct bma4_fifo_frame *fifo;
-	/*! Config stream data buffer address will be assigned*/
-	const uint8_t *config_file_ptr;
-	/*! Max read/write length (maximum supported length is 32).
-	    To be set by the user */
-	uint8_t read_write_len;
-	/*! Feature len */
-	uint8_t feature_len;
-	/*! Contains asic information */
-	struct bma4_asic_data asic_data;
-	/*! Contains aux configuration settings */
-	struct bma4_aux_config aux_config;
-	/*! Bus read function pointer */
-	bma4_com_fptr_t bus_read;
-	/*! Bus write function pointer */
-	bma4_com_fptr_t bus_write;
-	/*! delay(in ms) function pointer */
-	bma4_delay_fptr_t delay;
-};
-
-/*!
- *	@brief This structure holds the information for usage of
- *	FIFO by the user.
- */
-struct bma4_fifo_frame {
-	/*! Data buffer of user defined length is to be mapped here */
-	uint8_t *data;
-	/*! Number of bytes of FIFO to be read as specified by the user */
-	uint16_t length;
-	/*! Enabling of the FIFO header to stream in header mode */
-	uint8_t fifo_header_enable;
-	/*! Streaming of the Accelerometer, Auxiliary
-	 *  sensor data or both in FIFO */
-	uint8_t fifo_data_enable;
-	/*! Will be equal to length when no more frames are there to parse */
-	uint16_t accel_byte_start_idx;
-	/*! Will be equal to length when no more frames are there to parse */
-	uint16_t mag_byte_start_idx;
-	/*! Will be equal to length when no more frames are there to parse */
-	uint16_t sc_frame_byte_start_idx;
-	/*! Value of FIFO sensor time time */
-	uint32_t sensor_time;
-	/*! Value of Skipped frame counts */
-	uint8_t skipped_frame_count;
-	/*! Value of accel dropped frame count */
-	uint8_t accel_dropped_frame_count;
-	/*! Value of mag dropped frame count */
-	uint8_t mag_dropped_frame_count;
-};
-
-/*!
- *	@brief Error Status structure
- */
-struct bma4_err_reg {
-	/*! Indicates fatal error */
-	uint8_t fatal_err;
-	/*! Indicates command error */
-	uint8_t cmd_err;
-	/*! Indicates error code */
-	uint8_t err_code;
-	/*! Indicates fifo error */
-	uint8_t fifo_err;
-	/*! Indicates mag error */
-	uint8_t aux_err;
-};
-
-/*!
- * @brief Asic Status structure
- */
-struct bma4_asic_status {
-	/*! Asic is in sleep/halt state */
-	uint8_t sleep;
-	/*! Dedicated interrupt is set again before previous interrupt
-	was acknowledged */
-	uint8_t irq_ovrn;
-	/*! Watchcell event detected (asic stopped) */
-	uint8_t wc_event;
-	/*! Stream transfer has started and transactions are ongoing */
-	uint8_t stream_transfer_active;
-};
-
-/*!
- * @brief Interrupt Pin Configuration structure
- */
-struct	bma4_int_pin_config {
-	/*! Trigger condition of interrupt pin */
-	uint8_t edge_ctrl;
-	/*! Level of interrupt pin */
-	uint8_t lvl;
-	/*! Behaviour of interrupt pin to open drain */
-	uint8_t od;
-	/*! Output enable for interrupt pin */
-	uint8_t output_en;
-	/*! Input enable for interrupt pin */
-	uint8_t input_en;
-};
-
-/*!
-* @brief Accelerometer configuration structure */
-struct bma4_accel_config {
-	/*! Output data rate in Hz */
-	uint8_t odr;
-	/*! Bandwidth parameter, determines filter configuration */
-	uint8_t bandwidth;
-	/*! Filter performance mode */
-	uint8_t perf_mode;
-	/*! G-range */
-	uint8_t range;
-};
-
-/*!
- * @brief Auxiliary magnetometer configuration structure
- */
-struct bma4_aux_mag_config {
-	/*! Poll rate for the sensor attached to the Magnetometer interface */
-	uint8_t odr;
-	/*! Trigger-readout offset in units of 2.5 ms.
-	If set to zero, the offset is maximum, i.e. after readout a trigger
-	is issued immediately */
-	uint8_t offset;
-};
-
-/*!
- * @brief ASIC Config structure
- */
-struct bma4_asic_config {
-	/*! Enable/Disable ASIC Wake Up */
-	uint8_t asic_en;
-	/*! Configure stream_transfer/FIFO mode */
-	uint8_t fifo_mode_en;
-	/*! Mapping of instance RAM1 */
-	uint8_t mem_conf_ram1;
-	/*! Mapping of instance RAM2 */
-	uint8_t mem_conf_ram2;
-	/*! Mapping of instance RAM3 */
-	uint8_t mem_conf_ram3;
-};
-/*!
- * @brief bmm150 or akm09916
- *	magnetometer values structure
- */
-struct bma4_mag {
-	/*! BMM150 and AKM09916 X raw data */
-	int32_t x;
-	/*! BMM150 and AKM09916 Y raw data */
-	int32_t y;
-	/*! BMM150 and AKM09916 Z raw data */
-	int32_t z;
-};
-
-/*!
- * @brief bmm150 xyz data structure
- */
-struct bma4_mag_xyzr {
-	/*! BMM150 X raw data */
-	int16_t x;
-	/*! BMM150 Y raw data */
-	int16_t y;
-	/*! BMM150 Z raw data */
-	int16_t z;
-	/*! BMM150 R raw data */
-	uint16_t r;
-};
-
-/*!
- * @brief Accel xyz data structure
- */
-struct bma4_accel {
-	/*! Accel X data */
-	int16_t x;
-	/*! Accel Y data */
-	int16_t y;
-	/*! Accel Z data */
-	int16_t z;
-};
-
-/*!
- * @brief FIFO mag data structure
- */
-struct bma4_mag_fifo_data {
-	/*! The value of mag x LSB data */
-	uint8_t mag_x_lsb;
-	/*! The value of mag x MSB data */
-	uint8_t mag_x_msb;
-	/*! The value of mag y LSB data */
-	uint8_t mag_y_lsb;
-	/*! The value of mag y MSB data */
-	uint8_t mag_y_msb;
-	/*! The value of mag z LSB data */
-	uint8_t mag_z_lsb;
-	/*! The value of mag z MSB data */
-	uint8_t mag_z_msb;
-	/*! The value of mag r for BMM150 Y2 for YAMAHA LSB data */
-	uint8_t mag_r_y2_lsb;
-	/*! The value of mag r for BMM150 Y2 for YAMAHA MSB data */
-	uint8_t mag_r_y2_msb;
-};
-
-#endif
-/* End of __BMA4_H__ */
+/*
+*
+****************************************************************************
+* Copyright (C) 2017 - 2018 Bosch Sensortec GmbH
+*
+* File : bma4_defs.h
+*
+* Date: 12 Oct 2017
+*
+* Revision: 2.1.9 $
+*
+* Usage: Sensor Driver for BMA4 family of sensors
+*
+****************************************************************************
+*
+* Disclaimer
+*
+* Common:
+* Bosch Sensortec products are developed for the consumer goods industry.
+* They may only be used within the parameters of the respective valid
+* product data sheet.  Bosch Sensortec products are provided with the
+* express understanding that there is no warranty of fitness for a
+* particular purpose.They are not fit for use in life-sustaining,
+* safety or security sensitive systems or any system or device
+* that may lead to bodily harm or property damage if the system
+* or device malfunctions. In addition,Bosch Sensortec products are
+* not fit for use in products which interact with motor vehicle systems.
+* The resale and or use of products are at the purchasers own risk and
+* his own responsibility. The examination of fitness for the intended use
+* is the sole responsibility of the Purchaser.
+*
+* The purchaser shall indemnify Bosch Sensortec from all third party
+* claims, including any claims for incidental, or consequential damages,
+* arising from any product use not covered by the parameters of
+* the respective valid product data sheet or not approved by
+* Bosch Sensortec and reimburse Bosch Sensortec for all costs in
+* connection with such claims.
+*
+* The purchaser must monitor the market for the purchased products,
+* particularly with regard to product safety and inform Bosch Sensortec
+* without delay of all security relevant incidents.
+*
+* Engineering Samples are marked with an asterisk (*) or (e).
+* Samples may vary from the valid technical specifications of the product
+* series. They are therefore not intended or fit for resale to third
+* parties or for use in end products. Their sole purpose is internal
+* client testing. The testing of an engineering sample may in no way
+* replace the testing of a product series. Bosch Sensortec assumes
+* no liability for the use of engineering samples.
+* By accepting the engineering samples, the Purchaser agrees to indemnify
+* Bosch Sensortec from all claims arising from the use of engineering
+* samples.
+*
+* Special:
+* This software module (hereinafter called "Software") and any information
+* on application-sheets (hereinafter called "Information") is provided
+* free of charge for the sole purpose to support your application work.
+* The Software and Information is subject to the following
+* terms and conditions:
+*
+* The Software is specifically designed for the exclusive use for
+* Bosch Sensortec products by personnel who have special experience
+* and training. Do not use this Software if you do not have the
+* proper experience or training.
+*
+* This Software package is provided `` as is `` and without any expressed
+* or implied warranties,including without limitation, the implied warranties
+* of merchantability and fitness for a particular purpose.
+*
+* Bosch Sensortec and their representatives and agents deny any liability
+* for the functional impairment
+* of this Software in terms of fitness, performance and safety.
+* Bosch Sensortec and their representatives and agents shall not be liable
+* for any direct or indirect damages or injury, except as
+* otherwise stipulated in mandatory applicable law.
+*
+* The Information provided is believed to be accurate and reliable.
+* Bosch Sensortec assumes no responsibility for the consequences of use
+* of such Information nor for any infringement of patents or
+* other rights of third parties which may result from its use.
+* No license is granted by implication or otherwise under any patent or
+* patent rights of Bosch. Specifications mentioned in the Information are
+* subject to change without notice.
+**************************************************************************/
+/*! \file bma4_defs.h
+    \brief Sensor Driver for BMA4 family of sensors */
+#ifndef BMA4_DEFS_H__
+#define	BMA4_DEFS_H__
+/*********************************************************************/
+/**\ header files */
+#ifdef __KERNEL__
+#include <linux/types.h>
+#else
+#include <stdint.h>
+#include <stddef.h>
+#include <math.h>
+#endif
+
+/*********************************************************************/
+/* macro definitions */
+
+/*
+#if (LONG_MAX) > 0x7fffffff
+#define __have_long64	1
+#elif (LONG_MAX) == 0x7fffffff
+#define __have_long32	1
+#endif
+*/
+
+#if !defined(UINT8_C)
+#define INT8_C(x)       x
+#if (INT_MAX) > 0x7f
+#define UINT8_C(x)      x
+#else
+#define UINT8_C(x)      x##U
+#endif
+#endif
+
+#if !defined(UINT16_C)
+#define INT16_C(x)      x
+#if (INT_MAX) > 0x7fff
+#define UINT16_C(x)     x
+#else
+#define UINT16_C(x)     x##U
+#endif
+#endif
+
+#if !defined(INT32_C) && !defined(UINT32_C)
+#if __have_long32
+#define INT32_C(x)      x##L
+#define UINT32_C(x)     x##UL
+#else
+#define INT32_C(x)      x
+#define UINT32_C(x)     x##U
+#endif
+#endif
+
+#if !defined(INT64_C) && !defined(UINT64_C)
+#if __have_long64
+#define INT64_C(x)      x##L
+#define UINT64_C(x)     x##UL
+#else
+#define INT64_C(x)      x##LL
+#define UINT64_C(x)     x##ULL
+#endif
+#endif
+
+/**\name CHIP ID ADDRESS*/
+#define	BMA4_CHIP_ID_ADDR		 UINT8_C(0x00)
+
+/**\name ERROR STATUS*/
+#define	BMA4_ERROR_ADDR		UINT8_C(0X02)
+
+/**\name STATUS REGISTER FOR SENSOR STATUS FLAG*/
+#define	BMA4_STATUS_ADDR	UINT8_C(0X03)
+
+/**\name AUX/ACCEL DATA BASE ADDRESS REGISTERS*/
+#define	BMA4_DATA_0_ADDR	UINT8_C(0X0A)
+#define	BMA4_DATA_8_ADDR	UINT8_C(0X12)
+
+/**\name SENSOR TIME REGISTERS*/
+#define	BMA4_SENSORTIME_0_ADDR	UINT8_C(0X18)
+
+/**\name INTERRUPT/FEATURE STATUS REGISTERS*/
+#define	BMA4_INT_STAT_0_ADDR	UINT8_C(0X1C)
+
+/**\name INTERRUPT/FEATURE STATUS REGISTERS*/
+#define	BMA4_INT_STAT_1_ADDR	UINT8_C(0X1D)
+
+/**\name TEMPERATURE REGISTERS*/
+#define	BMA4_TEMPERATURE_ADDR	UINT8_C(0X22)
+
+/**\name FIFO REGISTERS*/
+#define	BMA4_FIFO_LENGTH_0_ADDR		UINT8_C(0X24)
+#define	BMA4_FIFO_DATA_ADDR			UINT8_C(0X26)
+
+/**\name ACCEL CONFIG REGISTERS*/
+#define	BMA4_ACCEL_CONFIG_ADDR		UINT8_C(0X40)
+
+/**\name ACCEL RANGE ADDRESS*/
+#define	BMA4_ACCEL_RANGE_ADDR		UINT8_C(0X41)
+
+/**\name AUX CONFIG REGISTERS*/
+#define	BMA4_AUX_CONFIG_ADDR		UINT8_C(0X44)
+
+/**\name FIFO DOWN SAMPLING REGISTER ADDRESS FOR ACCEL*/
+#define	BMA4_FIFO_DOWN_ADDR			UINT8_C(0X45)
+
+/**\name FIFO WATERMARK REGISTER ADDRESS*/
+#define	BMA4_FIFO_WTM_0_ADDR		UINT8_C(0X46)
+
+/**\name FIFO CONFIG REGISTERS*/
+#define	BMA4_FIFO_CONFIG_0_ADDR		UINT8_C(0X48)
+#define	BMA4_FIFO_CONFIG_1_ADDR		UINT8_C(0X49)
+
+/**\name MAG INTERFACE REGISTERS*/
+#define	BMA4_AUX_DEV_ID_ADDR		UINT8_C(0X4B)
+#define	BMA4_AUX_IF_CONF_ADDR		UINT8_C(0X4C)
+#define	BMA4_AUX_RD_ADDR			UINT8_C(0X4D)
+#define	BMA4_AUX_WR_ADDR			UINT8_C(0X4E)
+#define	BMA4_AUX_WR_DATA_ADDR		UINT8_C(0X4F)
+
+/**\name INTERRUPT ENABLE REGISTERS*/
+#define	BMA4_INT1_IO_CTRL_ADDR		UINT8_C(0X53)
+#define	BMA4_INT2_IO_CTRL_ADDR		UINT8_C(0X54)
+
+/**\name LATCH DURATION REGISTERS*/
+#define	BMA4_INTR_LATCH_ADDR		UINT8_C(0X55)
+
+/**\name MAP INTERRUPT 1 and 2 REGISTERS*/
+#define	BMA4_INT_MAP_1_ADDR			UINT8_C(0X56)
+#define	BMA4_INT_MAP_2_ADDR			UINT8_C(0X57)
+#define	BMA4_INT_MAP_DATA_ADDR		UINT8_C(0x58)
+#define	BMA4_INIT_CTRL_ADDR			UINT8_C(0x59)
+
+/**\name FEATURE CONFIG RELATED */
+#define BMA4_RESERVED_REG_5B_ADDR		UINT8_C(0x5B)
+#define BMA4_RESERVED_REG_5C_ADDR		UINT8_C(0x5C)
+#define	BMA4_FEATURE_CONFIG_ADDR		UINT8_C(0x5E)
+#define	BMA4_INTERNAL_ERROR			UINT8_C(0x5F)
+
+/**\name SERIAL INTERFACE SETTINGS REGISTER*/
+#define	BMA4_IF_CONFIG_ADDR		UINT8_C(0X6B)
+
+/**\name SELF_TEST REGISTER*/
+#define	BMA4_ACC_SELF_TEST_ADDR	UINT8_C(0X6D)
+
+/**\name SPI,I2C SELECTION REGISTER*/
+#define	BMA4_NV_CONFIG_ADDR		UINT8_C(0x70)
+
+/**\name ACCEL OFFSET REGISTERS*/
+#define	BMA4_OFFSET_0_ADDR		UINT8_C(0X71)
+#define	BMA4_OFFSET_1_ADDR		UINT8_C(0X72)
+#define	BMA4_OFFSET_2_ADDR		UINT8_C(0X73)
+
+/**\name POWER_CTRL REGISTER*/
+#define	BMA4_POWER_CONF_ADDR	UINT8_C(0x7C)
+#define	BMA4_POWER_CTRL_ADDR	UINT8_C(0x7D)
+
+/**\name COMMAND REGISTER*/
+#define	BMA4_CMD_ADDR		UINT8_C(0X7E)
+
+/**\name GPIO REGISTERS*/
+#define	BMA4_STEP_CNT_OUT_0_ADDR	UINT8_C(0x1E)
+#define	BMA4_HIGH_G_OUT_ADDR		UINT8_C(0x1F)
+#define	BMA4_ACTIVITY_OUT_ADDR		UINT8_C(0x27)
+#define	BMA4_ORIENTATION_OUT_ADDR	UINT8_C(0x28)
+#define	BMA4_INTERNAL_STAT			UINT8_C(0x2A)
+
+/*!
+ * @brief Block size for config write */
+#define BMA4_BLOCK_SIZE			UINT8_C(32)
+
+/**\name I2C slave address */
+#define	BMA4_I2C_ADDR_PRIMARY	UINT8_C(0x18)
+#define	BMA4_I2C_ADDR_SECONDARY	UINT8_C(0x19)
+#define BMA4_I2C_BMM150_ADDR    UINT8_C(0x10)
+
+/**\name Interface selection macro */
+#define	BMA4_SPI_INTERFACE		UINT8_C(1)
+#define	BMA4_I2C_INTERFACE		UINT8_C(2)
+
+/**\name Interface selection macro */
+#define	BMA4_SPI_WR_MASK		UINT8_C(0x7F)
+#define	BMA4_SPI_RD_MASK		UINT8_C(0x80)
+
+/**\name Chip ID macros */
+#define BMA4_CHIP_ID_MIN		UINT8_C(0x10)
+#define BMA4_CHIP_ID_MAX		UINT8_C(0x15)
+
+/**\name Auxiliary sensor selection macro */
+#define	BMM150_SENSOR			UINT8_C(1)
+#define	AKM9916_SENSOR			UINT8_C(2)
+#define	BMA4_ASIC_INITIALIZED		UINT8_C(0x01)
+
+/**\name Auxiliary sensor chip id macros */
+#define BMM150_CHIP_ID                  UINT8_C(0x32)
+
+/**\name Auxiliary sensor other macros */
+#define BMM150_POWER_CONTROL_REG                UINT8_C(0x4B)
+#define BMM150_POWER_MODE_REG			UINT8_C(0x4C)
+
+/**\name	CONSTANTS */
+#define	BMA4_FIFO_CONFIG_LENGTH		UINT8_C(2)
+#define	BMA4_ACCEL_CONFIG_LENGTH	UINT8_C(2)
+#define	BMA4_FIFO_WM_LENGTH			UINT8_C(2)
+#define	BMA4_CONFIG_STREAM_SIZE		UINT16_C(6144)
+#define	BMA4_NON_LATCH_MODE			UINT8_C(0)
+#define	BMA4_LATCH_MODE				UINT8_C(1)
+#define	BMA4_OPEN_DRAIN				UINT8_C(1)
+#define	BMA4_PUSH_PULL				UINT8_C(0)
+#define	BMA4_ACTIVE_HIGH			UINT8_C(1)
+#define	BMA4_ACTIVE_LOW				UINT8_C(0)
+#define	BMA4_EDGE_TRIGGER			UINT8_C(1)
+#define	BMA4_LEVEL_TRIGGER			UINT8_C(0)
+#define	BMA4_OUTPUT_ENABLE			UINT8_C(1)
+#define	BMA4_OUTPUT_DISABLE			UINT8_C(0)
+#define	BMA4_INPUT_ENABLE			UINT8_C(1)
+#define	BMA4_INPUT_DISABLE			UINT8_C(0)
+
+/**\name ACCEL RANGE CHECK*/
+#define	BMA4_ACCEL_RANGE_2G		UINT8_C(0)
+#define	BMA4_ACCEL_RANGE_4G		UINT8_C(1)
+#define	BMA4_ACCEL_RANGE_8G		UINT8_C(2)
+#define	BMA4_ACCEL_RANGE_16G	UINT8_C(3)
+
+/**\name  CONDITION CHECK FOR READING AND WRTING DATA*/
+#define	BMA4_MAX_VALUE_FIFO_FILTER		UINT8_C(1)
+#define	BMA4_MAX_VALUE_SPI3				UINT8_C(1)
+#define	BMA4_MAX_VALUE_SELFTEST_AMP		UINT8_C(1)
+#define	BMA4_MAX_IF_MODE				UINT8_C(3)
+#define	BMA4_MAX_VALUE_SELFTEST_SIGN	UINT8_C(1)
+
+/**\name BUS READ AND WRITE LENGTH FOR MAG & ACCEL*/
+#define	BMA4_MAG_TRIM_DATA_SIZE		UINT8_C(16)
+#define	BMA4_MAG_XYZ_DATA_LENGTH	UINT8_C(6)
+#define	BMA4_MAG_XYZR_DATA_LENGTH	UINT8_C(8)
+#define	BMA4_ACCEL_DATA_LENGTH		UINT8_C(6)
+#define	BMA4_FIFO_DATA_LENGTH		UINT8_C(2)
+#define	BMA4_TEMP_DATA_SIZE			UINT8_C(1)
+
+/**\name TEMPERATURE CONSTANT */
+#define BMA4_OFFSET_TEMP		UINT8_C(23)
+#define BMA4_DEG			UINT8_C(1)
+#define BMA4_FAHREN			UINT8_C(2)
+#define BMA4_KELVIN			UINT8_C(3)
+
+/**\name DELAY DEFINITION IN MSEC*/
+#define	BMA4_AUX_IF_DELAY			UINT8_C(5)
+#define	BMA4_BMM150_WAKEUP_DELAY1	UINT8_C(2)
+#define	BMA4_BMM150_WAKEUP_DELAY2	UINT8_C(3)
+#define	BMA4_BMM150_WAKEUP_DELAY3	UINT8_C(1)
+#define	BMA4_GEN_READ_WRITE_DELAY	UINT8_C(1)
+#define	BMA4_AUX_COM_DELAY			UINT8_C(10)
+
+/**\name	ARRAY PARAMETER DEFINITIONS*/
+#define	BMA4_SENSOR_TIME_MSB_BYTE	UINT8_C(2)
+#define	BMA4_SENSOR_TIME_XLSB_BYTE	UINT8_C(1)
+#define	BMA4_SENSOR_TIME_LSB_BYTE	UINT8_C(0)
+#define	BMA4_MAG_X_LSB_BYTE			UINT8_C(0)
+#define	BMA4_MAG_X_MSB_BYTE			UINT8_C(1)
+#define	BMA4_MAG_Y_LSB_BYTE			UINT8_C(2)
+#define	BMA4_MAG_Y_MSB_BYTE			UINT8_C(3)
+#define	BMA4_MAG_Z_LSB_BYTE			UINT8_C(4)
+#define	BMA4_MAG_Z_MSB_BYTE			UINT8_C(5)
+#define	BMA4_MAG_R_LSB_BYTE			UINT8_C(6)
+#define	BMA4_MAG_R_MSB_BYTE			UINT8_C(7)
+#define	BMA4_TEMP_BYTE				UINT8_C(0)
+#define	BMA4_FIFO_LENGTH_MSB_BYTE	UINT8_C(1)
+
+/**\name	ERROR CODES	*/
+#define BMA4_OK				UINT16_C(0)
+#define BMA4_E_NULL_PTR			UINT16_C(1)
+#define BMA4_E_OUT_OF_RANGE		UINT16_C(1 << 1)
+#define BMA4_E_INVALID_SENSOR		UINT16_C(1 << 2)
+#define BMA4_E_CONFIG_STREAM_ERROR	UINT16_C(1 << 3)
+#define BMA4_E_SELF_TEST_FAIL		UINT16_C(1 << 4)
+#define BMA4_E_FOC_FAIL			UINT16_C(1 << 5)
+#define BMA4_E_FAIL			UINT16_C(1 << 6)
+#define BMA4_E_INT_LINE_INVALID		UINT16_C(1 << 7)
+#define BMA4_E_RD_WR_LENGTH_INVALID	UINT16_C(1 << 8)
+#define BMA4_E_AUX_CONFIG_FAIL		UINT16_C(1 << 9)
+#define BMA4_E_SC_FIFO_HEADER_ERR	UINT16_C(1 << 10)
+#define BMA4_E_SC_FIFO_CONFIG_ERR	UINT16_C(1 << 11)
+
+/**\name	UTILITY MACROS	*/
+#define	BMA4_SET_LOW_BYTE			UINT16_C(0x00FF)
+#define	BMA4_SET_HIGH_BYTE			UINT16_C(0xFF00)
+#define	BMA4_SET_LOW_NIBBLE			UINT8_C(0x0F)
+
+/**\name	FOC RELATED MACROS	*/
+#define	BMA4_ACCEL_CONFIG_FOC		UINT8_C(0xB7)
+
+/* Macros used for Self test */
+/* Self-test: Resulting minimum difference signal in mg for BMA42x */
+#define	BMA42X_ST_ACC_X_AXIS_SIGNAL_DIFF	UINT16_C(400)
+#define	BMA42X_ST_ACC_Y_AXIS_SIGNAL_DIFF	UINT16_C(800)
+#define	BMA42X_ST_ACC_Z_AXIS_SIGNAL_DIFF	UINT16_C(400)
+
+/* Self-test: Resulting minimum difference signal in mg for BMA45x */
+#define	BMA45X_ST_ACC_X_AXIS_SIGNAL_DIFF	UINT16_C(1800)
+#define	BMA45X_ST_ACC_Y_AXIS_SIGNAL_DIFF	UINT16_C(1800)
+#define	BMA45X_ST_ACC_Z_AXIS_SIGNAL_DIFF	UINT16_C(1800)
+
+/**\name BOOLEAN TYPES*/
+#ifndef TRUE
+#define TRUE	UINT8_C(0x01)
+#endif
+
+#ifndef FALSE
+#define FALSE	UINT8_C(0x00)
+#endif
+
+#ifndef NULL
+#define	NULL	UINT8_C(0x00)
+#endif
+
+/**\name	ERROR STATUS POSITION AND MASK*/
+#define	BMA4_FATAL_ERR_MSK		UINT8_C(0x01)
+#define	BMA4_CMD_ERR_POS		UINT8_C(1)
+#define	BMA4_CMD_ERR_MSK		UINT8_C(0x02)
+#define	BMA4_ERR_CODE_POS		UINT8_C(2)
+#define	BMA4_ERR_CODE_MSK		UINT8_C(0x1C)
+#define	BMA4_FIFO_ERR_POS		UINT8_C(6)
+#define	BMA4_FIFO_ERR_MSK		UINT8_C(0x40)
+#define	BMA4_AUX_ERR_POS		UINT8_C(7)
+#define	BMA4_AUX_ERR_MSK		UINT8_C(0x80)
+
+/**\name	Maximum number of bytes to be read from the sensor */
+#define	BMA4_MAX_BUFFER_SIZE            UINT8_C(81)
+
+/**\name	NV_CONFIG POSITION AND MASK*/
+/* NV_CONF Description - Reg Addr --> (0x70), Bit --> 3 */
+#define	BMA4_NV_ACCEL_OFFSET_POS	UINT8_C(3)
+#define	BMA4_NV_ACCEL_OFFSET_MSK	UINT8_C(0x08)
+
+/**\name	MAG DATA XYZ POSITION AND MASK*/
+#define	BMA4_DATA_MAG_X_LSB_POS		UINT8_C(3)
+#define	BMA4_DATA_MAG_X_LSB_MSK		UINT8_C(0xF8)
+#define	BMA4_DATA_MAG_Y_LSB_POS		UINT8_C(3)
+#define	BMA4_DATA_MAG_Y_LSB_MSK		UINT8_C(0xF8)
+#define	BMA4_DATA_MAG_Z_LSB_POS		UINT8_C(1)
+#define	BMA4_DATA_MAG_Z_LSB_MSK		UINT8_C(0xFE)
+#define	BMA4_DATA_MAG_R_LSB_POS		UINT8_C(2)
+#define	BMA4_DATA_MAG_R_LSB_MSK		UINT8_C(0xFC)
+
+/**\name ACCEL DATA READY POSITION AND MASK*/
+#define	BMA4_STAT_DATA_RDY_ACCEL_POS	UINT8_C(7)
+#define	BMA4_STAT_DATA_RDY_ACCEL_MSK	UINT8_C(0x80)
+
+/**\name MAG DATA READY POSITION AND MASK*/
+#define	BMA4_STAT_DATA_RDY_MAG_POS	UINT8_C(5)
+#define	BMA4_STAT_DATA_RDY_MAG_MSK	UINT8_C(0x20)
+
+/**\name ADVANCE POWER SAVE POSITION AND MASK*/
+#define	BMA4_ADVANCE_POWER_SAVE_MSK	UINT8_C(0x01)
+
+/**\name ACCELEROMETER ENABLE POSITION AND MASK*/
+#define	BMA4_ACCEL_ENABLE_POS		UINT8_C(2)
+#define	BMA4_ACCEL_ENABLE_MSK		UINT8_C(0x04)
+
+/**\name MAGNETOMETER ENABLE POSITION AND MASK*/
+#define	BMA4_MAG_ENABLE_MSK		UINT8_C(0x01)
+
+/**\name	ACCEL CONFIGURATION POSITION AND MASK*/
+#define	BMA4_ACCEL_ODR_MSK			UINT8_C(0x0F)
+#define	BMA4_ACCEL_BW_POS			UINT8_C(4)
+#define	BMA4_ACCEL_BW_MSK			UINT8_C(0x70)
+#define	BMA4_ACCEL_RANGE_MSK			UINT8_C(0x03)
+#define	BMA4_ACCEL_PERFMODE_POS			UINT8_C(7)
+#define	BMA4_ACCEL_PERFMODE_MSK			UINT8_C(0x80)
+
+/**\name	MAG CONFIGURATION POSITION AND MASK*/
+#define	BMA4_MAG_CONFIG_OFFSET_POS		UINT8_C(4)
+#define	BMA4_MAG_CONFIG_OFFSET_LEN		UINT8_C(4)
+#define	BMA4_MAG_CONFIG_OFFSET_MSK		UINT8_C(0xF0)
+#define	BMA4_MAG_CONFIG_OFFSET_REG		(BMA4_AUX_CONFIG_ADDR)
+
+/**\name FIFO SELF WAKE UP POSITION AND MASK*/
+#define	BMA4_FIFO_SELF_WAKE_UP_POS	UINT8_C(1)
+#define	BMA4_FIFO_SELF_WAKE_UP_MSK	UINT8_C(0x02)
+
+/**\name	FIFO BYTE COUNTER POSITION AND MASK*/
+#define	BMA4_FIFO_BYTE_COUNTER_MSB_MSK	UINT8_C(0x3F)
+
+/**\name	FIFO DATA POSITION AND MASK*/
+#define	BMA4_FIFO_DATA_POS		UINT8_C(0)
+#define	BMA4_FIFO_DATA_MSK		UINT8_C(0xFF)
+
+/**\name	FIFO FILTER FOR ACCEL  POSITION AND MASK*/
+#define	BMA4_FIFO_DOWN_ACCEL_POS		UINT8_C(4)
+#define	BMA4_FIFO_DOWN_ACCEL_MSK		UINT8_C(0x70)
+#define	BMA4_FIFO_FILTER_ACCEL_POS		UINT8_C(7)
+#define	BMA4_FIFO_FILTER_ACCEL_MSK		UINT8_C(0x80)
+
+/**\name	FIFO HEADER DATA DEFINITIONS    */
+#define	FIFO_HEAD_A					UINT8_C(0x84)
+#define	FIFO_HEAD_M					UINT8_C(0x90)
+#define	FIFO_HEAD_M_A				UINT8_C(0x94)
+#define	FIFO_HEAD_SENSOR_TIME		UINT8_C(0x44)
+#define	FIFO_HEAD_INPUT_CONFIG		UINT8_C(0x48)
+#define	FIFO_HEAD_SKIP_FRAME		UINT8_C(0x40)
+#define	FIFO_HEAD_OVER_READ_MSB		UINT8_C(0x80)
+#define FIFO_HEAD_SAMPLE_DROP		UINT8_C(0x50)
+
+/**\name	FIFO HEADERLESS MODE DATA ENABLE DEFINITIONS   */
+#define	BMA4_FIFO_M_A_ENABLE		UINT8_C(0x60)
+#define	BMA4_FIFO_A_ENABLE			UINT8_C(0x40)
+#define	BMA4_FIFO_M_ENABLE			UINT8_C(0x20)
+
+/**\name	FIFO CONFIGURATION SELECTION    */
+#define	BMA4_FIFO_STOP_ON_FULL		UINT8_C(0x01)
+#define	BMA4_FIFO_TIME				UINT8_C(0x02)
+#define	BMA4_FIFO_TAG_INTR2			UINT8_C(0x04)
+#define	BMA4_FIFO_TAG_INTR1			UINT8_C(0x08)
+#define	BMA4_FIFO_HEADER			UINT8_C(0x10)
+#define	BMA4_FIFO_MAG				UINT8_C(0x20)
+#define	BMA4_FIFO_ACCEL				UINT8_C(0x40)
+#define	BMA4_FIFO_ALL				UINT8_C(0x7F)
+#define	BMA4_FIFO_CONFIG_0_MASK		UINT8_C(0x03)
+#define	BMA4_FIFO_CONFIG_1_MASK		UINT8_C(0xFC)
+
+/**\name	FIFO FRAME COUNT DEFINITION     */
+#define FIFO_LSB_CONFIG_CHECK		UINT8_C(0x00)
+#define FIFO_MSB_CONFIG_CHECK		UINT8_C(0x80)
+#define	BMA4_FIFO_TAG_INTR_MASK		UINT8_C(0xFC)
+
+/**\name	FIFO DROPPED FRAME DEFINITION     */
+#define AUX_FIFO_DROP				UINT8_C(0x04)
+#define ACCEL_AUX_FIFO_DROP			UINT8_C(0x05)
+#define ACCEL_FIFO_DROP				UINT8_C(0x01)
+
+/**\name FIFO MAG DEFINITION*/
+#define	BMA4_MA_FIFO_A_X_LSB	UINT8_C(8)
+
+/**\name FIFO sensor time length definitions*/
+#define	BMA4_SENSOR_TIME_LENGTH		UINT8_C(3)
+
+/**\name FIFO LENGTH DEFINITION*/
+#define	BMA4_FIFO_A_LENGTH			UINT8_C(6)
+#define	BMA4_FIFO_M_LENGTH			UINT8_C(8)
+#define BMA4_FIFO_MA_LENGTH			UINT8_C(14)
+
+/**\name	MAG I2C ADDRESS SELECTION POSITION AND MASK*/
+#define	BMA4_I2C_DEVICE_ADDR_POS		UINT8_C(1)
+#define	BMA4_I2C_DEVICE_ADDR_MSK		UINT8_C(0xFE)
+
+/**\name MAG CONFIGURATION FOR SECONDARY INTERFACE POSITION AND MASK*/
+#define	BMA4_MAG_BURST_MSK			UINT8_C(0x03)
+#define	BMA4_MAG_MANUAL_ENABLE_POS		UINT8_C(7)
+#define	BMA4_MAG_MANUAL_ENABLE_MSK		UINT8_C(0x80)
+#define	BMA4_READ_ADDR_MSK			UINT8_C(0xFF)
+#define	BMA4_WRITE_ADDR_MSK			UINT8_C(0xFF)
+#define	BMA4_WRITE_DATA_MSK			UINT8_C(0xFF)
+
+/**\name	OUTPUT TYPE ENABLE POSITION AND MASK*/
+#define	BMA4_INT_EDGE_CTRL_MASK			UINT8_C(0x01)
+#define	BMA4_INT_EDGE_CTRL_POS			UINT8_C(0x00)
+#define	BMA4_INT_LEVEL_MASK				UINT8_C(0x02)
+#define	BMA4_INT_LEVEL_POS				UINT8_C(0x01)
+#define	BMA4_INT_OPEN_DRAIN_MASK		UINT8_C(0x04)
+#define	BMA4_INT_OPEN_DRAIN_POS			UINT8_C(0x02)
+#define	BMA4_INT_OUTPUT_EN_MASK			UINT8_C(0x08)
+#define	BMA4_INT_OUTPUT_EN_POS			UINT8_C(0x03)
+#define	BMA4_INT_INPUT_EN_MASK			UINT8_C(0x10)
+#define	BMA4_INT_INPUT_EN_POS			UINT8_C(0x04)
+
+/**\name	IF CONFIG POSITION AND MASK*/
+#define	BMA4_CONFIG_SPI3_MSK			UINT8_C(0x01)
+#define	BMA4_IF_CONFIG_IF_MODE_POS		UINT8_C(4)
+#define	BMA4_IF_CONFIG_IF_MODE_MSK		UINT8_C(0x10)
+
+/**\name	ACCEL SELF TEST POSITION AND MASK*/
+#define	BMA4_ACCEL_SELFTEST_ENABLE_MSK	UINT8_C(0x01)
+#define	BMA4_ACCEL_SELFTEST_SIGN_POS	UINT8_C(2)
+#define	BMA4_ACCEL_SELFTEST_SIGN_MSK	UINT8_C(0x04)
+#define	BMA4_SELFTEST_AMP_POS			UINT8_C(3)
+#define	BMA4_SELFTEST_AMP_MSK			UINT8_C(0x08)
+
+/**\name	ACCEL ODR          */
+#define	BMA4_OUTPUT_DATA_RATE_0_78HZ	UINT8_C(0x01)
+#define	BMA4_OUTPUT_DATA_RATE_1_56HZ	UINT8_C(0x02)
+#define	BMA4_OUTPUT_DATA_RATE_3_12HZ	UINT8_C(0x03)
+#define	BMA4_OUTPUT_DATA_RATE_6_25HZ	UINT8_C(0x04)
+#define	BMA4_OUTPUT_DATA_RATE_12_5HZ	UINT8_C(0x05)
+#define	BMA4_OUTPUT_DATA_RATE_25HZ		UINT8_C(0x06)
+#define	BMA4_OUTPUT_DATA_RATE_50HZ		UINT8_C(0x07)
+#define	BMA4_OUTPUT_DATA_RATE_100HZ		UINT8_C(0x08)
+#define	BMA4_OUTPUT_DATA_RATE_200HZ		UINT8_C(0x09)
+#define	BMA4_OUTPUT_DATA_RATE_400HZ		UINT8_C(0x0A)
+#define	BMA4_OUTPUT_DATA_RATE_800HZ		UINT8_C(0x0B)
+#define	BMA4_OUTPUT_DATA_RATE_1600HZ	UINT8_C(0x0C)
+
+/**\name	ACCEL BANDWIDTH PARAMETER         */
+#define	BMA4_ACCEL_OSR4_AVG1		UINT8_C(0)
+#define	BMA4_ACCEL_OSR2_AVG2		UINT8_C(1)
+#define	BMA4_ACCEL_NORMAL_AVG4	    UINT8_C(2)
+#define	BMA4_ACCEL_CIC_AVG8			UINT8_C(3)
+#define	BMA4_ACCEL_RES_AVG16		UINT8_C(4)
+#define	BMA4_ACCEL_RES_AVG32		UINT8_C(5)
+#define	BMA4_ACCEL_RES_AVG64		UINT8_C(6)
+#define	BMA4_ACCEL_RES_AVG128		UINT8_C(7)
+
+/**\name	ACCEL PERFMODE PARAMETER         */
+#define	BMA4_CIC_AVG_MODE			UINT8_C(0)
+#define	BMA4_CONTINUOUS_MODE		UINT8_C(1)
+
+/**\name	MAG OFFSET         */
+#define	BMA4_MAG_OFFSET_MAX		UINT8_C(0x00)
+
+/**\name	ENABLE/DISABLE SELECTIONS        */
+#define	BMA4_X_AXIS		UINT8_C(0)
+#define	BMA4_Y_AXIS		UINT8_C(1)
+#define	BMA4_Z_AXIS		UINT8_C(2)
+
+/**\name SELF TEST*/
+#define	BMA4_SELFTEST_PASS				UINT8_C(0)
+#define	BMA4_SELFTEST_FAIL				UINT8_C(1)
+
+/**\name INTERRUPT MAPS    */
+#define	BMA4_INTR1_MAP		UINT8_C(0)
+#define	BMA4_INTR2_MAP		UINT8_C(1)
+
+/**\name	INTERRUPT MASKS        */
+#define BMA4_FIFO_FULL_INT			UINT16_C(0x0100)
+#define BMA4_FIFO_WM_INT			UINT16_C(0x0200)
+#define BMA4_DATA_RDY_INT			UINT16_C(0x0400)
+#define BMA4_MAG_DATA_RDY_INT		UINT16_C(0x2000)
+#define BMA4_ACCEL_DATA_RDY_INT		UINT16_C(0x8000)
+
+
+/**\name	AKM POWER MODE SELECTION     */
+#define	AKM_POWER_DOWN_MODE			UINT8_C(0)
+#define	AKM_SINGLE_MEAS_MODE		UINT8_C(1)
+
+/**\name	SECONDARY_MAG POWER MODE SELECTION    */
+#define	BMA4_MAG_FORCE_MODE			UINT8_C(0)
+#define	BMA4_MAG_SUSPEND_MODE		UINT8_C(1)
+
+/**\name	MAG POWER MODE SELECTION    */
+#define	FORCE_MODE			UINT8_C(0)
+#define	SUSPEND_MODE		UINT8_C(1)
+
+/**\name	ACCEL POWER MODE    */
+#define	ACCEL_MODE_NORMAL	UINT8_C(0x11)
+
+/**\name	MAG POWER MODE    */
+#define	MAG_MODE_SUSPEND		UINT8_C(0x18)
+
+/**\name	ENABLE/DISABLE BIT VALUES    */
+#define	BMA4_ENABLE			UINT8_C(0x01)
+#define	BMA4_DISABLE		UINT8_C(0x00)
+
+/**\name	DEFINITION USED FOR DIFFERENT WRITE   */
+#define	BMA4_MANUAL_DISABLE			UINT8_C(0x00)
+#define	BMA4_MANUAL_ENABLE			UINT8_C(0x01)
+#define	BMA4_ENABLE_MAG_IF_MODE		UINT8_C(0x01)
+#define	BMA4_MAG_DATA_READ_REG		UINT8_C(0x0A)
+#define	BMA4_BMM_POWER_MODE_REG		UINT8_C(0x06)
+#define	BMA4_SEC_IF_NULL			UINT8_C(0)
+#define	BMA4_SEC_IF_BMM150			UINT8_C(1)
+#define	BMA4_SEC_IF_AKM09916		UINT8_C(2)
+#define BMA4_ENABLE_AUX_IF_MODE		UINT8_C(0x01)
+
+/**\name	SENSOR RESOLUTION   */
+#define BMA4_12_BIT_RESOLUTION		UINT8_C(12)
+#define BMA4_14_BIT_RESOLUTION		UINT8_C(14)
+#define BMA4_16_BIT_RESOLUTION      UINT8_C(16)
+
+/**\name    MULTIPLIER */
+/*! for handling micro-g values */
+#define BMA4XY_MULTIPLIER         UINT32_C(1000000)
+/*! for handling float temperature values */
+#define BMA4_SCALE_TEMP           INT32_C(1000)
+/* BMA4_FAHREN_SCALED = 1.8 * 1000 */
+#define BMA4_FAHREN_SCALED	  INT32_C(1800)
+/* BMA4_KELVIN_SCALED = 273.15 * 1000 */
+#define BMA4_KELVIN_SCALED	  INT32_C(273150)
+
+
+/**\name	MAP BURST READ LENGTHS  */
+#define BMA4_AUX_READ_LEN_0		0
+#define	BMA4_AUX_READ_LEN_1		1
+#define	BMA4_AUX_READ_LEN_2		2
+#define	BMA4_AUX_READ_LEN_3		3
+
+#ifndef ABS
+#define	ABS(a)		((a) > 0 ? (a) : -(a)) /*!< Absolute value */
+#endif
+
+/**\name	BIT SLICE GET AND SET FUNCTIONS */
+#define	BMA4_GET_BITSLICE(regvar, bitname)\
+		((regvar & bitname##_MSK) >> bitname##_POS)
+#define	BMA4_SET_BITSLICE(regvar, bitname, val)\
+		((regvar & ~bitname##_MSK) | \
+		((val<<bitname##_POS)&bitname##_MSK))
+#define	BMA4_GET_DIFF(x, y) ((x) - (y))
+
+#define BMA4_GET_LSB(var)	(uint8_t)(var & BMA4_SET_LOW_BYTE)
+#define BMA4_GET_MSB(var)	(uint8_t)((var & BMA4_SET_HIGH_BYTE) >> 8)
+
+#define BMA4_SET_BIT_VAL_0(reg_data, bitname) (reg_data & ~(bitname##_MSK))
+
+#define BMA4_SET_BITS_POS_0(reg_data, bitname, data) \
+				((reg_data & ~(bitname##_MSK)) | \
+				(data & bitname##_MSK))
+
+#define BMA4_GET_BITS_POS_0(reg_data, bitname)  (reg_data & (bitname##_MSK))
+
+/**\name	TYPEDEF DEFINITIONS */
+/*!
+ * @brief Bus communication function pointer which should be mapped to
+ * the platform specific read and write functions of the user
+ */
+typedef uint16_t (*bma4_com_fptr_t)(uint8_t dev_addr, uint8_t reg_addr, uint8_t *read_data, uint16_t len);
+
+/*!	delay function pointer */
+typedef void (*bma4_delay_fptr_t)(uint32_t);
+
+/******************************************************************************/
+/*!  @name		   Enum Declarations                                  */
+/******************************************************************************/
+
+/*!  @name Enum to define BMA4 variants */
+enum  bma4_variant {
+	BMA42X_VARIANT = 1,
+	BMA45X_VARIANT
+};
+
+/**\name	STRUCTURE DEFINITIONS*/
+
+/*!
+ *  @brief
+ *  This structure holds asic info. for feature configuration.
+ */
+struct bma4_asic_data {
+	/* Feature config start addr (0-3 bits)*/
+	uint8_t asic_lsb;
+	/* Feature config start addr (4-11 bits)*/
+	uint8_t asic_msb;
+};
+
+/*!
+ * @brief Auxiliary configuration structure for user settings
+ */
+struct bma4_aux_config {
+	/*! Device address of auxiliary sensor */
+	uint8_t aux_dev_addr;
+	/*! To enable manual or auto mode */
+	uint8_t manual_enable;
+	/*! No of bytes to be read at a time */
+	uint8_t burst_read_length;
+	/*! Variable to set the auxiliary interface */
+	uint8_t if_mode;
+};
+
+/*!
+ *	@brief
+ *	This structure holds all relevant information about BMA4
+ */
+struct bma4_dev {
+	/*! Chip id of BMA4 */
+	uint8_t chip_id;
+	/*! Chip id of auxiliary sensor */
+	uint8_t aux_chip_id;
+	/*! Device address of BMA4 */
+	uint8_t dev_addr;
+	/*! Interface detail */
+	uint8_t interface;
+	/*! Auxiliary sensor information */
+	uint8_t aux_sensor;
+	/*! Decide SPI or I2C read mechanism */
+	uint8_t dummy_byte;
+	/*! Resolution for FOC */
+	uint8_t resolution;
+	/*! Define the BMA4 variant BMA42X or BMA45X */
+	enum bma4_variant variant;
+/*	! Used to check mag manual/auto mode status
+	int8_t mag_manual_enable;*/
+	/*! FIFO related configurations */
+	struct bma4_fifo_frame *fifo;
+	/*! Config stream data buffer address will be assigned*/
+	const uint8_t *config_file_ptr;
+	/*! Max read/write length (maximum supported length is 32).
+	    To be set by the user */
+	uint8_t read_write_len;
+	/*! Feature len */
+	uint8_t feature_len;
+	/*! Contains asic information */
+	struct bma4_asic_data asic_data;
+	/*! Contains aux configuration settings */
+	struct bma4_aux_config aux_config;
+	/*! Bus read function pointer */
+	bma4_com_fptr_t bus_read;
+	/*! Bus write function pointer */
+	bma4_com_fptr_t bus_write;
+	/*! delay(in ms) function pointer */
+	bma4_delay_fptr_t delay;
+};
+
+/*!
+ *	@brief This structure holds the information for usage of
+ *	FIFO by the user.
+ */
+struct bma4_fifo_frame {
+	/*! Data buffer of user defined length is to be mapped here */
+	uint8_t *data;
+	/*! Number of bytes of FIFO to be read as specified by the user */
+	uint16_t length;
+	/*! Enabling of the FIFO header to stream in header mode */
+	uint8_t fifo_header_enable;
+	/*! Streaming of the Accelerometer, Auxiliary
+	 *  sensor data or both in FIFO */
+	uint8_t fifo_data_enable;
+	/*! Will be equal to length when no more frames are there to parse */
+	uint16_t accel_byte_start_idx;
+	/*! Will be equal to length when no more frames are there to parse */
+	uint16_t mag_byte_start_idx;
+	/*! Will be equal to length when no more frames are there to parse */
+	uint16_t sc_frame_byte_start_idx;
+	/*! Value of FIFO sensor time time */
+	uint32_t sensor_time;
+	/*! Value of Skipped frame counts */
+	uint8_t skipped_frame_count;
+	/*! Value of accel dropped frame count */
+	uint8_t accel_dropped_frame_count;
+	/*! Value of mag dropped frame count */
+	uint8_t mag_dropped_frame_count;
+};
+
+/*!
+ *	@brief Error Status structure
+ */
+struct bma4_err_reg {
+	/*! Indicates fatal error */
+	uint8_t fatal_err;
+	/*! Indicates command error */
+	uint8_t cmd_err;
+	/*! Indicates error code */
+	uint8_t err_code;
+	/*! Indicates fifo error */
+	uint8_t fifo_err;
+	/*! Indicates mag error */
+	uint8_t aux_err;
+};
+
+/*!
+ * @brief Asic Status structure
+ */
+struct bma4_asic_status {
+	/*! Asic is in sleep/halt state */
+	uint8_t sleep;
+	/*! Dedicated interrupt is set again before previous interrupt
+	was acknowledged */
+	uint8_t irq_ovrn;
+	/*! Watchcell event detected (asic stopped) */
+	uint8_t wc_event;
+	/*! Stream transfer has started and transactions are ongoing */
+	uint8_t stream_transfer_active;
+};
+
+/*!
+ * @brief Interrupt Pin Configuration structure
+ */
+struct	bma4_int_pin_config {
+	/*! Trigger condition of interrupt pin */
+	uint8_t edge_ctrl;
+	/*! Level of interrupt pin */
+	uint8_t lvl;
+	/*! Behaviour of interrupt pin to open drain */
+	uint8_t od;
+	/*! Output enable for interrupt pin */
+	uint8_t output_en;
+	/*! Input enable for interrupt pin */
+	uint8_t input_en;
+};
+
+/*!
+* @brief Accelerometer configuration structure */
+struct bma4_accel_config {
+	/*! Output data rate in Hz */
+	uint8_t odr;
+	/*! Bandwidth parameter, determines filter configuration */
+	uint8_t bandwidth;
+	/*! Filter performance mode */
+	uint8_t perf_mode;
+	/*! G-range */
+	uint8_t range;
+};
+
+/*!
+ * @brief Auxiliary magnetometer configuration structure
+ */
+struct bma4_aux_mag_config {
+	/*! Poll rate for the sensor attached to the Magnetometer interface */
+	uint8_t odr;
+	/*! Trigger-readout offset in units of 2.5 ms.
+	If set to zero, the offset is maximum, i.e. after readout a trigger
+	is issued immediately */
+	uint8_t offset;
+};
+
+/*!
+ * @brief ASIC Config structure
+ */
+struct bma4_asic_config {
+	/*! Enable/Disable ASIC Wake Up */
+	uint8_t asic_en;
+	/*! Configure stream_transfer/FIFO mode */
+	uint8_t fifo_mode_en;
+	/*! Mapping of instance RAM1 */
+	uint8_t mem_conf_ram1;
+	/*! Mapping of instance RAM2 */
+	uint8_t mem_conf_ram2;
+	/*! Mapping of instance RAM3 */
+	uint8_t mem_conf_ram3;
+};
+/*!
+ * @brief bmm150 or akm09916
+ *	magnetometer values structure
+ */
+struct bma4_mag {
+	/*! BMM150 and AKM09916 X raw data */
+	int32_t x;
+	/*! BMM150 and AKM09916 Y raw data */
+	int32_t y;
+	/*! BMM150 and AKM09916 Z raw data */
+	int32_t z;
+};
+
+/*!
+ * @brief bmm150 xyz data structure
+ */
+struct bma4_mag_xyzr {
+	/*! BMM150 X raw data */
+	int16_t x;
+	/*! BMM150 Y raw data */
+	int16_t y;
+	/*! BMM150 Z raw data */
+	int16_t z;
+	/*! BMM150 R raw data */
+	uint16_t r;
+};
+
+/*!
+ * @brief Accel xyz data structure
+ */
+struct bma4_accel {
+	/*! Accel X data */
+	int16_t x;
+	/*! Accel Y data */
+	int16_t y;
+	/*! Accel Z data */
+	int16_t z;
+};
+
+/*!
+ * @brief FIFO mag data structure
+ */
+struct bma4_mag_fifo_data {
+	/*! The value of mag x LSB data */
+	uint8_t mag_x_lsb;
+	/*! The value of mag x MSB data */
+	uint8_t mag_x_msb;
+	/*! The value of mag y LSB data */
+	uint8_t mag_y_lsb;
+	/*! The value of mag y MSB data */
+	uint8_t mag_y_msb;
+	/*! The value of mag z LSB data */
+	uint8_t mag_z_lsb;
+	/*! The value of mag z MSB data */
+	uint8_t mag_z_msb;
+	/*! The value of mag r for BMM150 Y2 for YAMAHA LSB data */
+	uint8_t mag_r_y2_lsb;
+	/*! The value of mag r for BMM150 Y2 for YAMAHA MSB data */
+	uint8_t mag_r_y2_msb;
+};
+
+#endif
+/* End of __BMA4_H__ */
diff --git a/lib/libesp32/TTGO_TWatch_Library/src/i2c_bus.cpp b/lib/libesp32_div/TTGO_TWatch_Library/src/i2c_bus.cpp
old mode 100755
new mode 100644
similarity index 96%
rename from lib/libesp32/TTGO_TWatch_Library/src/i2c_bus.cpp
rename to lib/libesp32_div/TTGO_TWatch_Library/src/i2c_bus.cpp
index d643098b0..27705b21d
--- a/lib/libesp32/TTGO_TWatch_Library/src/i2c_bus.cpp
+++ b/lib/libesp32_div/TTGO_TWatch_Library/src/i2c_bus.cpp
@@ -1,94 +1,94 @@
-#include "i2c_bus.h"
-#include "Wire.h"
-#include <Arduino.h>
-
-void I2CBus::scan(void)
-{
-    uint8_t err, addr;
-    int nDevices = 0;
-    for (addr = 1; addr < 127; addr++) {
-        _port->beginTransmission(addr);
-        err = _port->endTransmission();
-        if (err == 0) {
-            Serial.print("I2C device found at address 0x");
-            if (addr < 16)
-                Serial.print("0");
-            Serial.print(addr, HEX);
-            Serial.println(" !");
-            nDevices++;
-        } else if (err == 4) {
-            Serial.print("Unknow error at address 0x");
-            if (addr < 16)
-                Serial.print("0");
-            Serial.println(addr, HEX);
-        }
-    }
-    if (nDevices == 0)
-        Serial.println("No I2C devices found\n");
-    else
-        Serial.println("done\n");
-}
-
-
-uint16_t I2CBus::readBytes(uint8_t addr, uint8_t *data, uint16_t len, uint16_t delay_ms)
-{
-    uint16_t ret = 0;
-    xSemaphoreTakeRecursive(_i2c_mux, portMAX_DELAY);
-    uint8_t cnt = _port->requestFrom(addr, (uint8_t)len, (uint8_t)1);
-    if (!cnt) {
-        ret =  1 << 13;
-    }
-    uint16_t index = 0;
-    while (_port->available()) {
-        if (index > len)return 1 << 14;
-        if (delay_ms)delay(delay_ms);
-        data[index++] = _port->read();
-    }
-    xSemaphoreGiveRecursive(_i2c_mux);
-    return ret;
-}
-
-
-uint16_t I2CBus::readBytes(uint8_t addr, uint8_t reg, uint8_t *data, uint16_t len)
-{
-    uint16_t ret = 0;
-    xSemaphoreTakeRecursive(_i2c_mux, portMAX_DELAY);
-    _port->beginTransmission(addr);
-    _port->write(reg);
-    _port->endTransmission(false);
-    uint8_t cnt = _port->requestFrom(addr, (uint8_t)len, (uint8_t)1);
-    if (!cnt) {
-        ret =  1 << 13;
-    }
-    uint16_t index = 0;
-    while (_port->available()) {
-        if (index > len)return 1 << 14;
-        data[index++] = _port->read();
-    }
-    xSemaphoreGiveRecursive(_i2c_mux);
-    return ret;
-}
-
-uint16_t I2CBus::writeBytes(uint8_t addr, uint8_t reg, uint8_t *data, uint16_t len)
-{
-    uint16_t ret = 0;
-    xSemaphoreTakeRecursive(_i2c_mux, portMAX_DELAY);
-    _port->beginTransmission(addr);
-    _port->write(reg);
-    for (uint16_t i = 0; i < len; i++) {
-        _port->write(data[i]);
-    }
-    ret =  _port->endTransmission();
-    xSemaphoreGiveRecursive(_i2c_mux);
-    return ret ? 1 << 12 : ret;
-}
-
-bool I2CBus::deviceProbe(uint8_t addr)
-{
-    uint16_t ret = 0;
-    xSemaphoreTakeRecursive(_i2c_mux, portMAX_DELAY);
-    _port->beginTransmission(addr);
-    ret = _port->endTransmission();
-    xSemaphoreGiveRecursive(_i2c_mux);
-    return (ret == 0);
+#include "i2c_bus.h"
+#include "Wire.h"
+#include <Arduino.h>
+
+void I2CBus::scan(void)
+{
+    uint8_t err, addr;
+    int nDevices = 0;
+    for (addr = 1; addr < 127; addr++) {
+        _port->beginTransmission(addr);
+        err = _port->endTransmission();
+        if (err == 0) {
+            Serial.print("I2C device found at address 0x");
+            if (addr < 16)
+                Serial.print("0");
+            Serial.print(addr, HEX);
+            Serial.println(" !");
+            nDevices++;
+        } else if (err == 4) {
+            Serial.print("Unknow error at address 0x");
+            if (addr < 16)
+                Serial.print("0");
+            Serial.println(addr, HEX);
+        }
+    }
+    if (nDevices == 0)
+        Serial.println("No I2C devices found\n");
+    else
+        Serial.println("done\n");
+}
+
+
+uint16_t I2CBus::readBytes(uint8_t addr, uint8_t *data, uint16_t len, uint16_t delay_ms)
+{
+    uint16_t ret = 0;
+    xSemaphoreTakeRecursive(_i2c_mux, portMAX_DELAY);
+    uint8_t cnt = _port->requestFrom(addr, (uint8_t)len, (uint8_t)1);
+    if (!cnt) {
+        ret =  1 << 13;
+    }
+    uint16_t index = 0;
+    while (_port->available()) {
+        if (index > len)return 1 << 14;
+        if (delay_ms)delay(delay_ms);
+        data[index++] = _port->read();
+    }
+    xSemaphoreGiveRecursive(_i2c_mux);
+    return ret;
+}
+
+
+uint16_t I2CBus::readBytes(uint8_t addr, uint8_t reg, uint8_t *data, uint16_t len)
+{
+    uint16_t ret = 0;
+    xSemaphoreTakeRecursive(_i2c_mux, portMAX_DELAY);
+    _port->beginTransmission(addr);
+    _port->write(reg);
+    _port->endTransmission(false);
+    uint8_t cnt = _port->requestFrom(addr, (uint8_t)len, (uint8_t)1);
+    if (!cnt) {
+        ret =  1 << 13;
+    }
+    uint16_t index = 0;
+    while (_port->available()) {
+        if (index > len)return 1 << 14;
+        data[index++] = _port->read();
+    }
+    xSemaphoreGiveRecursive(_i2c_mux);
+    return ret;
+}
+
+uint16_t I2CBus::writeBytes(uint8_t addr, uint8_t reg, uint8_t *data, uint16_t len)
+{
+    uint16_t ret = 0;
+    xSemaphoreTakeRecursive(_i2c_mux, portMAX_DELAY);
+    _port->beginTransmission(addr);
+    _port->write(reg);
+    for (uint16_t i = 0; i < len; i++) {
+        _port->write(data[i]);
+    }
+    ret =  _port->endTransmission();
+    xSemaphoreGiveRecursive(_i2c_mux);
+    return ret ? 1 << 12 : ret;
+}
+
+bool I2CBus::deviceProbe(uint8_t addr)
+{
+    uint16_t ret = 0;
+    xSemaphoreTakeRecursive(_i2c_mux, portMAX_DELAY);
+    _port->beginTransmission(addr);
+    ret = _port->endTransmission();
+    xSemaphoreGiveRecursive(_i2c_mux);
+    return (ret == 0);
 }
\ No newline at end of file
diff --git a/lib/libesp32/TTGO_TWatch_Library/src/i2c_bus.h b/lib/libesp32_div/TTGO_TWatch_Library/src/i2c_bus.h
old mode 100755
new mode 100644
similarity index 95%
rename from lib/libesp32/TTGO_TWatch_Library/src/i2c_bus.h
rename to lib/libesp32_div/TTGO_TWatch_Library/src/i2c_bus.h
index b8d261758..92067e280
--- a/lib/libesp32/TTGO_TWatch_Library/src/i2c_bus.h
+++ b/lib/libesp32_div/TTGO_TWatch_Library/src/i2c_bus.h
@@ -1,26 +1,26 @@
-#ifndef TTGO_I2CBUF_H
-#define TTGO_I2CBUF_H
-
-#include <Wire.h>
-#include "freertos/FreeRTOS.h"
-#include "freertos/semphr.h"
-class I2CBus
-{
-public:
-    I2CBus(TwoWire &port = Wire, int sda = 21, int scl = 22)
-    {
-        _port = &port;
-        _port->begin(sda, scl);
-        _i2c_mux = xSemaphoreCreateRecursiveMutex();
-    };
-    void scan();
-    uint16_t readBytes(uint8_t addr, uint8_t *data, uint16_t len, uint16_t delay_ms = 0);
-    uint16_t readBytes(uint8_t addr, uint8_t reg, uint8_t *data, uint16_t len);
-    uint16_t writeBytes(uint8_t addr, uint8_t reg, uint8_t *data, uint16_t len);
-    bool deviceProbe(uint8_t addr);
-private:
-    TwoWire *_port;
-    SemaphoreHandle_t _i2c_mux = NULL;
-};
-
+#ifndef TTGO_I2CBUF_H
+#define TTGO_I2CBUF_H
+
+#include <Wire.h>
+#include "freertos/FreeRTOS.h"
+#include "freertos/semphr.h"
+class I2CBus
+{
+public:
+    I2CBus(TwoWire &port = Wire, int sda = 21, int scl = 22)
+    {
+        _port = &port;
+        _port->begin(sda, scl);
+        _i2c_mux = xSemaphoreCreateRecursiveMutex();
+    };
+    void scan();
+    uint16_t readBytes(uint8_t addr, uint8_t *data, uint16_t len, uint16_t delay_ms = 0);
+    uint16_t readBytes(uint8_t addr, uint8_t reg, uint8_t *data, uint16_t len);
+    uint16_t writeBytes(uint8_t addr, uint8_t reg, uint8_t *data, uint16_t len);
+    bool deviceProbe(uint8_t addr);
+private:
+    TwoWire *_port;
+    SemaphoreHandle_t _i2c_mux = NULL;
+};
+
 #endif
\ No newline at end of file
diff --git a/platformio_override_sample.ini b/platformio_override_sample.ini
index 3b7ff4d7a..e8e6e089f 100644
--- a/platformio_override_sample.ini
+++ b/platformio_override_sample.ini
@@ -121,6 +121,8 @@ upload_port                 = COM4
 lib_extra_dirs              = ${library.lib_extra_dirs}
 ; *** ESP32 lib. ALWAYS needed for ESP32 !!!
                               lib/libesp32
+; *** uncomment the following line if you want to use Bluetooth or Apple Homekit in a Tasmota32 build
+;                              lib/libesp32_div
 
 [core32]
 ; Activate Stage Core32 by removing ";" in next 3 lines, if you want to override the standard core32
diff --git a/platformio_tasmota32.ini b/platformio_tasmota32.ini
index caa655c4f..0c5320620 100644
--- a/platformio_tasmota32.ini
+++ b/platformio_tasmota32.ini
@@ -66,6 +66,8 @@ lib_compat_mode             = ${common.lib_compat_mode}
 shared_libdeps_dir          = lib
 lib_extra_dirs              =
                               lib/libesp32
+; uncomment the following line if you need Bluetooth, Homekit or TTGO Watch libraries in your Tasmota32 build
+;                              lib/libesp32_div
                               lib/lib_basic
                               lib/lib_i2c
                               lib/lib_display
diff --git a/platformio_tasmota_env32.ini b/platformio_tasmota_env32.ini
index 495f8a655..fe2382b82 100644
--- a/platformio_tasmota_env32.ini
+++ b/platformio_tasmota_env32.ini
@@ -64,7 +64,7 @@ lib_extra_dirs          = lib/libesp32, lib/lib_basic, lib/lib_i2c, lib/lib_rf,
 [env:tasmota32-bluetooth]
 extends                 = env:tasmota32
 build_flags             = ${common32.build_flags} -DFIRMWARE_BLUETOOTH
-lib_extra_dirs          = lib/libesp32, lib/lib_basic, lib/lib_i2c, lib/lib_ssl
+lib_extra_dirs          = lib/libesp32, lib/libesp32_div, lib/lib_basic, lib/lib_i2c, lib/lib_ssl
 
 [env:tasmota32-lite]
 extends                 = env:tasmota32
diff --git a/tasmota/homekit.c b/tasmota/homekit.c
index edbd23a8c..f8bb77e22 100755
--- a/tasmota/homekit.c
+++ b/tasmota/homekit.c
@@ -24,6 +24,7 @@
 /* HomeKit Smart Outlet Example
 */
 
+#ifdef USE_HOMEKIT
 #ifdef ESP32
 
 #include <Arduino.h>
@@ -597,3 +598,4 @@ void homekit_main(char *desc) {
 }
 
 #endif // ESP32
+#endif // USE_HOMEKIT
\ No newline at end of file