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/*
support_esp.ino - ESP specific code for Tasmota
Copyright (C) 2021 Theo Arends / Jörg Schüler-Maroldt
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*********************************************************************************************\
* ESP8266 and ESP32 specific code
*
* At the end the common Tasmota calls are provided
\*********************************************************************************************/
/*********************************************************************************************\
* ESP8266 Support
\*********************************************************************************************/
#ifdef ESP8266
extern "C" {
extern struct rst_info resetInfo;
}
uint32_t ESP_ResetInfoReason(void) {
return resetInfo.reason;
}
String ESP_getResetReason(void) {
return ESP.getResetReason();
}
uint32_t ESP_getChipId(void) {
return ESP.getChipId();
}
uint32_t ESP_getFreeSketchSpace(void) {
return ESP.getFreeSketchSpace();
}
uint32_t ESP_getSketchSize(void) {
return ESP.getSketchSize();
}
uint32_t ESP_getFreeHeap(void) {
return ESP.getFreeHeap();
}
uint32_t ESP_getFlashChipId(void) {
return ESP.getFlashChipId();
}
uint32_t ESP_getFlashChipRealSize(void) {
return ESP.getFlashChipRealSize();
}
void ESP_Restart(void) {
// ESP.restart(); // This results in exception 3 on restarts on core 2.3.0
ESP.reset();
}
uint32_t FlashWriteStartSector(void) {
return (ESP.getSketchSize() / SPI_FLASH_SEC_SIZE) + 2; // Stay on the safe side
}
uint32_t FlashWriteMaxSector(void) {
return (((uint32_t)&_FS_start - 0x40200000) / SPI_FLASH_SEC_SIZE) - 2;
}
uint8_t* FlashDirectAccess(void) {
return (uint8_t*)(0x40200000 + (FlashWriteStartSector() * SPI_FLASH_SEC_SIZE));
}
void *special_malloc(uint32_t size) {
return malloc(size);
}
void *special_realloc(void *ptr, size_t size) {
return realloc(ptr, size);
}
void *special_calloc(size_t num, size_t size) {
return calloc(num, size);
}
String GetDeviceHardware(void) {
// esptool.py get_efuses
uint32_t efuse1 = *(uint32_t*)(0x3FF00050);
uint32_t efuse2 = *(uint32_t*)(0x3FF00054);
// uint32_t efuse3 = *(uint32_t*)(0x3FF00058);
// uint32_t efuse4 = *(uint32_t*)(0x3FF0005C);
if (((efuse1 & (1 << 4)) || (efuse2 & (1 << 16))) && (ESP.getFlashChipRealSize() < 1048577)) { // ESP8285 can only have 1M flash
return F("ESP8285");
}
return F("ESP8266EX");
}
String GetDeviceHardwareRevision(void) {
// No known revisions for ESP8266/85
return GetDeviceHardware();
}
#endif
/*********************************************************************************************\
* ESP32 Support
\*********************************************************************************************/
#ifdef ESP32
#include "bootloader_flash.h"
// ESP32_ARCH contains the name of the architecture (used by autoconf)
#if CONFIG_IDF_TARGET_ESP32
#define ESP32_ARCH "esp32"
#elif CONFIG_IDF_TARGET_ESP32S2
#define ESP32_ARCH "esp32s2"
#elif CONFIG_IDF_TARGET_ESP32S3
#define ESP32_ARCH "esp32s3"
#elif CONFIG_IDF_TARGET_ESP32C3
#define ESP32_ARCH "esp32c3"
#else
#define ESP32_ARCH ""
#endif
// Handle 20k of NVM
#include <nvs.h>
// See libraries\ESP32\examples\ResetReason.ino
#if ESP_IDF_VERSION_MAJOR > 3 // IDF 4+
#if CONFIG_IDF_TARGET_ESP32 // ESP32/PICO-D4
#include "esp32/rom/rtc.h"
#elif CONFIG_IDF_TARGET_ESP32S2 // ESP32-S2
#include "esp32s2/rom/rtc.h"
#elif CONFIG_IDF_TARGET_ESP32S3 // ESP32-S3
#include "esp32s3/rom/rtc.h"
#elif CONFIG_IDF_TARGET_ESP32C3 // ESP32-C3
#include "esp32c3/rom/rtc.h"
#else
#error Target CONFIG_IDF_TARGET is not supported
#endif
#else // ESP32 Before IDF 4.0
#include "rom/rtc.h"
#endif
// Set the Stacksize for Arduino core. Default is 8192, some builds may need a bigger one
size_t getArduinoLoopTaskStackSize(void) {
return SET_ESP32_STACK_SIZE;
}
#include <esp_phy_init.h>
bool NvmLoad(const char *sNvsName, const char *sName, void *pSettings, unsigned nSettingsLen) {
nvs_handle_t handle;
esp_err_t result = nvs_open(sNvsName, NVS_READONLY, &handle);
if (result != ESP_OK) {
AddLog(LOG_LEVEL_DEBUG, PSTR("NVS: Error %d"), result);
return false;
}
size_t size = nSettingsLen;
nvs_get_blob(handle, sName, pSettings, &size);
nvs_close(handle);
return true;
}
void NvmSave(const char *sNvsName, const char *sName, const void *pSettings, unsigned nSettingsLen) {
#ifdef USE_WEBCAM
WcInterrupt(0); // Stop stream if active to fix TG1WDT_SYS_RESET
#endif
nvs_handle_t handle;
esp_err_t result = nvs_open(sNvsName, NVS_READWRITE, &handle);
if (result != ESP_OK) {
AddLog(LOG_LEVEL_DEBUG, PSTR("NVS: Error %d"), result);
} else {
nvs_set_blob(handle, sName, pSettings, nSettingsLen);
nvs_commit(handle);
nvs_close(handle);
}
#ifdef USE_WEBCAM
WcInterrupt(1);
#endif
}
int32_t NvmErase(const char *sNvsName) {
nvs_handle_t handle;
int32_t result = nvs_open(sNvsName, NVS_READWRITE, &handle);
if (ESP_OK == result) { result = nvs_erase_all(handle); }
if (ESP_OK == result) { result = nvs_commit(handle); }
nvs_close(handle);
return result;
}
void SettingsErase(uint8_t type) {
// SDK and Tasmota data is held in default NVS partition
// Tasmota data is held also in file /.settings on default filesystem
// cal_data - SDK PHY calibration data as documented in esp_phy_init.h
// qpc - Tasmota Quick Power Cycle state
// main - Tasmota Settings data
int32_t r1, r2, r3 = 0;
switch (type) {
case 0: // Reset 2 = Erase all flash from program end to end of physical flash
case 2: // Reset 5, 6 = Erase all flash from program end to end of physical flash excluding filesystem
// nvs_flash_erase(); // Erase RTC, PHY, sta.mac, ap.sndchan, ap.mac, Tasmota etc.
r1 = NvmErase("qpc");
r2 = NvmErase("main");
#ifdef USE_UFILESYS
r3 = TfsDeleteFile(TASM_FILE_SETTINGS);
#endif
AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_APPLICATION D_ERASE " Tasmota data (%d,%d,%d)"), r1, r2, r3);
break;
case 1: // Reset 3 = SDK parameter area
case 4: // WIFI_FORCE_RF_CAL_ERASE = SDK parameter area
r1 = esp_phy_erase_cal_data_in_nvs();
// r1 = NvmErase("cal_data");
AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_APPLICATION D_ERASE " PHY data (%d)"), r1);
break;
case 3: // QPC Reached = QPC, Tasmota and SDK parameter area (0x0F3xxx - 0x0FFFFF)
// nvs_flash_erase(); // Erase RTC, PHY, sta.mac, ap.sndchan, ap.mac, Tasmota etc.
r1 = NvmErase("qpc");
r2 = NvmErase("main");
// r3 = esp_phy_erase_cal_data_in_nvs();
// r3 = NvmErase("cal_data");
// AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_APPLICATION D_ERASE " Tasmota (%d,%d) and PHY data (%d)"), r1, r2, r3);
#ifdef USE_UFILESYS
r3 = TfsDeleteFile(TASM_FILE_SETTINGS);
#endif
AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_APPLICATION D_ERASE " Tasmota data (%d,%d,%d)"), r1, r2, r3);
break;
}
}
uint32_t SettingsRead(void *data, size_t size) {
#ifdef USE_UFILESYS
if (TfsLoadFile(TASM_FILE_SETTINGS, (uint8_t*)data, size)) {
return 2;
}
#endif
if (NvmLoad("main", "Settings", data, size)) {
return 1;
};
return 0;
}
void SettingsWrite(const void *pSettings, unsigned nSettingsLen) {
#ifdef USE_UFILESYS
TfsSaveFile(TASM_FILE_SETTINGS, (const uint8_t*)pSettings, nSettingsLen);
#endif
NvmSave("main", "Settings", pSettings, nSettingsLen);
}
void QPCRead(void *pSettings, unsigned nSettingsLen) {
NvmLoad("qpc", "pcreg", pSettings, nSettingsLen);
}
void QPCWrite(const void *pSettings, unsigned nSettingsLen) {
NvmSave("qpc", "pcreg", pSettings, nSettingsLen);
}
bool OtaFactoryRead(void) {
uint32_t pOtaLoader;
NvmLoad("otal", "otal", &pOtaLoader, sizeof(pOtaLoader));
return pOtaLoader;
}
void OtaFactoryWrite(bool value) {
uint32_t pOtaLoader = value;
NvmSave("otal", "otal", &pOtaLoader, sizeof(pOtaLoader));
}
void NvsInfo(void) {
nvs_stats_t nvs_stats;
nvs_get_stats(NULL, &nvs_stats);
AddLog(LOG_LEVEL_INFO, PSTR("NVS: Used %d/%d entries, NameSpaces %d"),
nvs_stats.used_entries, nvs_stats.total_entries, nvs_stats.namespace_count);
}
//
// Flash memory mapping
//
// See Esp.cpp
#include "Esp.h"
#include "esp_spi_flash.h"
#include <memory>
#include <soc/soc.h>
#include <soc/efuse_reg.h>
#include <esp_partition.h>
extern "C" {
#include "esp_ota_ops.h"
#include "esp_image_format.h"
}
#include "esp_system.h"
#if ESP_IDF_VERSION_MAJOR > 3 // IDF 4+
#if CONFIG_IDF_TARGET_ESP32 // ESP32/PICO-D4
#include "esp32/rom/spi_flash.h"
#elif CONFIG_IDF_TARGET_ESP32S2 // ESP32-S2
#include "esp32s2/rom/spi_flash.h"
#elif CONFIG_IDF_TARGET_ESP32S3 // ESP32-S3
#include "esp32s3/rom/spi_flash.h"
#elif CONFIG_IDF_TARGET_ESP32C3 // ESP32-C3
#include "esp32c3/rom/spi_flash.h"
#else
#error Target CONFIG_IDF_TARGET is not supported
#endif
#else // ESP32 Before IDF 4.0
#include "rom/spi_flash.h"
#endif
uint32_t EspProgramSize(const char *label) {
const esp_partition_t *part = esp_partition_find_first(ESP_PARTITION_TYPE_APP, ESP_PARTITION_SUBTYPE_ANY, label);
if (!part) {
return 0;
}
const esp_partition_pos_t part_pos = {
.offset = part->address,
.size = part->size,
};
esp_image_metadata_t data;
data.start_addr = part_pos.offset;
esp_image_verify(ESP_IMAGE_VERIFY, &part_pos, &data);
return data.image_len;
}
bool EspSingleOtaPartition(void) {
return (1 == esp_ota_get_app_partition_count());
}
uint32_t EspRunningFactoryPartition(void) {
const esp_partition_t *cur_part = esp_ota_get_running_partition();
// return (cur_part->type == 0 && cur_part->subtype == 0);
if (cur_part->type == 0 && cur_part->subtype == 0) {
return cur_part->size;
}
return 0;
}
void EspPrepRestartToSafeBoot(void) {
const esp_partition_t *otadata_partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_OTA, NULL);
if (otadata_partition) {
esp_partition_erase_range(otadata_partition, 0, SPI_FLASH_SEC_SIZE * 2);
}
}
bool EspPrepSwitchPartition(uint32_t state) {
bool valid = EspSingleOtaPartition();
if (valid) {
bool running_factory = EspRunningFactoryPartition();
switch (state) {
case 0: // Off = safeboot
if (!running_factory) {
EspPrepRestartToSafeBoot();
} else {
valid = false;
}
break;
case 1: // On = ota0
if (running_factory) {
const esp_partition_t* partition = esp_ota_get_next_update_partition(nullptr);
esp_ota_set_boot_partition(partition);
} else {
valid = false;
}
break;
case 2: // Toggle
if (!running_factory) {
EspPrepRestartToSafeBoot();
} else {
const esp_partition_t* partition = esp_ota_get_next_update_partition(nullptr);
esp_ota_set_boot_partition(partition);
}
}
}
return valid;
}
uint32_t EspFlashBaseAddress(void) {
if (EspSingleOtaPartition()) { // Only one partition so start at end of sketch
const esp_partition_t *running = esp_ota_get_running_partition();
if (!running) { return 0; }
return running->address + ESP_getSketchSize();
} else { // Select other partition
const esp_partition_t* partition = esp_ota_get_next_update_partition(nullptr);
if (!partition) { return 0; }
return partition->address; // For tasmota 0x00010000 or 0x00200000
}
}
uint32_t EspFlashBaseEndAddress(void) {
const esp_partition_t* partition = (EspSingleOtaPartition()) ? esp_ota_get_running_partition() : esp_ota_get_next_update_partition(nullptr);
if (!partition) { return 0; }
return partition->address + partition->size; // For tasmota 0x00200000 or 0x003F0000
}
uint8_t* EspFlashMmap(uint32_t address) {
static spi_flash_mmap_handle_t handle = 0;
if (handle) {
spi_flash_munmap(handle);
handle = 0;
}
const uint8_t* data;
int32_t err = spi_flash_mmap(address, 5 * SPI_FLASH_MMU_PAGE_SIZE, SPI_FLASH_MMAP_DATA, (const void **)&data, &handle);
/*
AddLog(LOG_LEVEL_DEBUG, PSTR("DBG: Spi_flash_map %d"), err);
spi_flash_mmap_dump();
*/
return (uint8_t*)data;
}
/*
int32_t EspPartitionMmap(uint32_t action) {
static spi_flash_mmap_handle_t handle;
int32_t err = 0;
if (1 == action) {
const esp_partition_t *partition = esp_ota_get_running_partition();
// const esp_partition_t* partition = esp_ota_get_next_update_partition(nullptr);
if (!partition) { return 0; }
err = esp_partition_mmap(partition, 0, 4 * SPI_FLASH_MMU_PAGE_SIZE, SPI_FLASH_MMAP_DATA, (const void **)&TasmotaGlobal_mmap_data, &handle);
AddLog(LOG_LEVEL_DEBUG, PSTR("DBG: Partition start 0x%08X, Partition end 0x%08X, Mmap data 0x%08X"), partition->address, partition->size, TasmotaGlobal_mmap_data);
} else {
spi_flash_munmap(handle);
handle = 0;
}
return err;
}
*/
//
// ESP32 specific
//
#include "soc/soc.h"
#include "soc/rtc_cntl_reg.h"
void DisableBrownout(void) {
// https://github.com/espressif/arduino-esp32/issues/863#issuecomment-347179737
WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); // Disable brownout detector
}
//
// ESP32 Alternatives
//
String ESP32GetResetReason(uint32_t cpu_no) {
// tools\sdk\include\esp32\rom\rtc.h
// tools\sdk\esp32\include\esp_rom\include\esp32c3\rom\rtc.h
// tools\sdk\esp32\include\esp_rom\include\esp32s2\rom\rtc.h
switch (rtc_get_reset_reason(cpu_no)) { // ESP32 ESP32-S / ESP32-C
case 1 : return F("Vbat power on reset"); // 1 POWERON_RESET POWERON_RESET
case 3 : return F("Software reset digital core"); // 3 SW_RESET RTC_SW_SYS_RESET
case 4 : return F("Legacy watch dog reset digital core"); // 4 OWDT_RESET -
case 5 : return F("Deep Sleep reset digital core"); // 5 DEEPSLEEP_RESET DEEPSLEEP_RESET
case 6 : return F("Reset by SLC module, reset digital core"); // 6 SDIO_RESET
case 7 : return F("Timer Group0 Watch dog reset digital core"); // 7 TG0WDT_SYS_RESET
case 8 : return F("Timer Group1 Watch dog reset digital core"); // 8 TG1WDT_SYS_RESET
case 9 : return F("RTC Watch dog Reset digital core"); // 9 RTCWDT_SYS_RESET
case 10 : return F("Instrusion tested to reset CPU"); // 10 INTRUSION_RESET
case 11 : return F("Time Group0 reset CPU"); // 11 TGWDT_CPU_RESET TG0WDT_CPU_RESET
case 12 : return F("Software reset CPU"); // 12 SW_CPU_RESET RTC_SW_CPU_RESET
case 13 : return F("RTC Watch dog Reset CPU"); // 13 RTCWDT_CPU_RESET
case 14 : return F("or APP CPU, reseted by PRO CPU"); // 14 EXT_CPU_RESET -
case 15 : return F("Reset when the vdd voltage is not stable"); // 15 RTCWDT_BROWN_OUT_RESET
case 16 : return F("RTC Watch dog reset digital core and rtc module"); // 16 RTCWDT_RTC_RESET
case 17 : return F("Time Group1 reset CPU"); // 17 - TG1WDT_CPU_RESET
case 18 : return F("Super watchdog reset digital core and rtc module"); // 18 - SUPER_WDT_RESET
case 19 : return F("Glitch reset digital core and rtc module"); // 19 - GLITCH_RTC_RESET
case 20 : return F("Efuse reset digital core"); // 20 EFUSE_RESET
case 21 : return F("Usb uart reset digital core"); // 21 USB_UART_CHIP_RESET
case 22 : return F("Usb jtag reset digital core"); // 22 USB_JTAG_CHIP_RESET
case 23 : return F("Power glitch reset digital core and rtc module"); // 23 POWER_GLITCH_RESET
}
return F("No meaning"); // 0 and undefined
}
String ESP_getResetReason(void) {
return ESP32GetResetReason(0); // CPU 0
}
uint32_t ESP_ResetInfoReason(void) {
RESET_REASON reason = rtc_get_reset_reason(0);
if (1 == reason) { return REASON_DEFAULT_RST; } // POWERON_RESET
if (12 == reason) { return REASON_SOFT_RESTART; } // SW_CPU_RESET / RTC_SW_CPU_RESET
if (5 == reason) { return REASON_DEEP_SLEEP_AWAKE; } // DEEPSLEEP_RESET
if (3 == reason) { return REASON_EXT_SYS_RST; } // SW_RESET / RTC_SW_SYS_RESET
return -1; //no "official error code", but should work with the current code base
}
uint32_t ESP_getChipId(void) {
uint32_t id = 0;
for (uint32_t i = 0; i < 17; i = i +8) {
id |= ((ESP.getEfuseMac() >> (40 - i)) & 0xff) << i;
}
return id;
}
uint32_t ESP_getSketchSize(void) {
static uint32_t sketchsize = 0;
if (!sketchsize) {
sketchsize = ESP.getSketchSize(); // This takes almost 2 seconds on an ESP32
}
return sketchsize;
}
uint32_t ESP_getFreeSketchSpace(void) {
if (EspSingleOtaPartition()) {
uint32_t size = EspRunningFactoryPartition();
if (!size) {
size = ESP.getFreeSketchSpace();
}
return size - ESP_getSketchSize();
}
return ESP.getFreeSketchSpace();
}
uint32_t ESP_getFreeHeap(void) {
// ESP_getFreeHeap() returns also IRAM which we don't use
return heap_caps_get_free_size(MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
}
uint32_t ESP_getMaxAllocHeap(void) {
// arduino returns IRAM but we want only DRAM
uint32_t free_block_size = heap_caps_get_largest_free_block(MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
if (free_block_size > 100) { free_block_size -= 100; }
return free_block_size;
}
int32_t ESP_getHeapFragmentation(void) {
int32_t free_maxmem = 100 - (int32_t)(ESP_getMaxAllocHeap() * 100 / ESP_getFreeHeap());
if (free_maxmem < 0) { free_maxmem = 0; }
return free_maxmem;
}
uint32_t ESP_getFlashChipId(void)
{
uint32_t id = bootloader_read_flash_id();
id = ((id & 0xff) << 16) | ((id >> 16) & 0xff) | (id & 0xff00);
return id;
}
uint32_t ESP_getFlashChipRealSize(void)
{
uint32_t id = (ESP_getFlashChipId() >> 16) & 0xFF;
return 2 << (id - 1);
}
void ESP_Restart(void) {
ESP.restart();
}
uint32_t FlashWriteStartSector(void) {
// Needs to be on SPI_FLASH_MMU_PAGE_SIZE (= 0x10000) alignment for mmap usage
uint32_t aligned_address = ((EspFlashBaseAddress() + (2 * SPI_FLASH_MMU_PAGE_SIZE)) / SPI_FLASH_MMU_PAGE_SIZE) * SPI_FLASH_MMU_PAGE_SIZE;
return aligned_address / SPI_FLASH_SEC_SIZE;
}
uint32_t FlashWriteMaxSector(void) {
// Needs to be on SPI_FLASH_MMU_PAGE_SIZE (= 0x10000) alignment for mmap usage
uint32_t aligned_end_address = (EspFlashBaseEndAddress() / SPI_FLASH_MMU_PAGE_SIZE) * SPI_FLASH_MMU_PAGE_SIZE;
return aligned_end_address / SPI_FLASH_SEC_SIZE;
}
uint8_t* FlashDirectAccess(void) {
uint32_t address = FlashWriteStartSector() * SPI_FLASH_SEC_SIZE;
uint8_t* data = EspFlashMmap(address);
/*
AddLog(LOG_LEVEL_DEBUG, PSTR("DBG: Flash start address 0x%08X, Mmap address 0x%08X"), address, data);
uint8_t buf[32];
memcpy(buf, data, sizeof(buf));
AddLogBuffer(LOG_LEVEL_DEBUG, (uint8_t*)&buf, 32);
*/
return data;
}
extern "C" {
bool esp_spiram_is_initialized(void);
}
// this function is a replacement for `psramFound()`.
// `psramFound()` can return true even if no PSRAM is actually installed
// This new version also checks `esp_spiram_is_initialized` to know if the PSRAM is initialized
bool FoundPSRAM(void) {
#if CONFIG_IDF_TARGET_ESP32C3
return psramFound();
#else
return psramFound() && esp_spiram_is_initialized();
#endif
}
// new function to check whether PSRAM is present and supported (i.e. required pacthes are present)
bool UsePSRAM(void) {
static bool can_use_psram = CanUsePSRAM();
return FoundPSRAM() && can_use_psram;
}
void *special_malloc(uint32_t size) {
if (UsePSRAM()) {
return heap_caps_malloc(size, MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
} else {
return malloc(size);
}
}
void *special_realloc(void *ptr, size_t size) {
if (UsePSRAM()) {
return heap_caps_realloc(ptr, size, MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
} else {
return realloc(ptr, size);
}
}
void *special_calloc(size_t num, size_t size) {
if (UsePSRAM()) {
return heap_caps_calloc(num, size, MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
} else {
return calloc(num, size);
}
}
// Variants for IRAM heap, which need all accesses to be 32 bits aligned
void *special_malloc32(uint32_t size) {
return heap_caps_malloc(size, MALLOC_CAP_32BIT);
}
float CpuTemperature(void) {
#ifdef CONFIG_IDF_TARGET_ESP32
return (float)temperatureRead(); // In Celsius
/*
// These jumps are not stable either. Sometimes it jumps to 77.3
float t = (float)temperatureRead(); // In Celsius
if (t > 81) { t = t - 27.2; } // Fix temp jump observed on some ESP32 like DualR3
return t;
*/
#else
#ifndef CONFIG_IDF_TARGET_ESP32S3
// Currently (20210801) repeated calls to temperatureRead() on ESP32C3 and ESP32S2 result in IDF error messages
static float t = NAN;
if (isnan(t)) {
t = (float)temperatureRead(); // In Celsius
}
return t;
#else
return NAN;
#endif
#endif
}
/*
#ifdef __cplusplus
extern "C" {
#endif
uint8_t temprature_sens_read();
#ifdef __cplusplus
}
#endif
#ifdef CONFIG_IDF_TARGET_ESP32
uint8_t temprature_sens_read();
float CpuTemperature(void) {
uint8_t t = temprature_sens_read();
AddLog(LOG_LEVEL_DEBUG, PSTR("TMP: value %d"), t);
return (t - 32) / 1.8;
}
#else
float CpuTemperature(void) {
// Currently (20210801) repeated calls to temperatureRead() on ESP32C3 and ESP32S2 result in IDF error messages
static float t = NAN;
if (isnan(t)) {
t = (float)temperatureRead(); // In Celsius
}
return t;
}
#endif
*/
/*
#if CONFIG_IDF_TARGET_ESP32S2
#include "esp32s2/esp_efuse.h"
#elif CONFIG_IDF_TARGET_ESP32S3
#include "esp32s3/esp_efuse.h"
#elif CONFIG_IDF_TARGET_ESP32C3
#include "esp32c3/esp_efuse.h"
#endif
*/
// #include "esp_chip_info.h"
String GetDeviceHardware(void) {
// https://www.espressif.com/en/products/socs
/*
Source: esp-idf esp_system.h and esptool
typedef enum {
CHIP_ESP32 = 1, //!< ESP32
CHIP_ESP32S2 = 2, //!< ESP32-S2
CHIP_ESP32S3 = 9, //!< ESP32-S3
CHIP_ESP32C3 = 5, //!< ESP32-C3
CHIP_ESP32H2 = 6, //!< ESP32-H2
CHIP_ESP32C2 = 12, //!< ESP32-C2
} esp_chip_model_t;
// Chip feature flags, used in esp_chip_info_t
#define CHIP_FEATURE_EMB_FLASH BIT(0) //!< Chip has embedded flash memory
#define CHIP_FEATURE_WIFI_BGN BIT(1) //!< Chip has 2.4GHz WiFi
#define CHIP_FEATURE_BLE BIT(4) //!< Chip has Bluetooth LE
#define CHIP_FEATURE_BT BIT(5) //!< Chip has Bluetooth Classic
#define CHIP_FEATURE_IEEE802154 BIT(6) //!< Chip has IEEE 802.15.4
#define CHIP_FEATURE_EMB_PSRAM BIT(7) //!< Chip has embedded psram
// The structure represents information about the chip
typedef struct {
esp_chip_model_t model; //!< chip model, one of esp_chip_model_t
uint32_t features; //!< bit mask of CHIP_FEATURE_x feature flags
uint8_t cores; //!< number of CPU cores
uint8_t revision; //!< chip revision number
} esp_chip_info_t;
*/
esp_chip_info_t chip_info;
esp_chip_info(&chip_info);
uint32_t chip_model = chip_info.model;
uint32_t chip_revision = chip_info.revision;
// uint32_t chip_revision = ESP.getChipRevision();
bool rev3 = (3 == chip_revision);
// bool single_core = (1 == ESP.getChipCores());
bool single_core = (1 == chip_info.cores);
if (chip_model < 2) { // ESP32
#ifdef CONFIG_IDF_TARGET_ESP32
/* esptool:
def get_pkg_version(self):
word3 = self.read_efuse(3)
pkg_version = (word3 >> 9) & 0x07
pkg_version += ((word3 >> 2) & 0x1) << 3
return pkg_version
*/
uint32_t chip_ver = REG_GET_FIELD(EFUSE_BLK0_RDATA3_REG, EFUSE_RD_CHIP_VER_PKG);
uint32_t pkg_version = chip_ver & 0x7;
// AddLog(LOG_LEVEL_DEBUG_MORE, PSTR("HDW: ESP32 Model %d, Revision %d, Core %d, Package %d"), chip_info.model, chip_revision, chip_info.cores, chip_ver);
switch (pkg_version) {
case 0:
if (single_core) { return F("ESP32-S0WDQ6"); } // Max 240MHz, Single core, QFN 6*6
else if (rev3) { return F("ESP32-D0WDQ6-V3"); } // Max 240MHz, Dual core, QFN 6*6
else { return F("ESP32-D0WDQ6"); } // Max 240MHz, Dual core, QFN 6*6
case 1:
if (single_core) { return F("ESP32-S0WD"); } // Max 160MHz, Single core, QFN 5*5, ESP32-SOLO-1, ESP32-DevKitC
else if (rev3) { return F("ESP32-D0WD-V3"); } // Max 240MHz, Dual core, QFN 5*5, ESP32-WROOM-32E, ESP32_WROVER-E, ESP32-DevKitC
else { return F("ESP32-D0WD"); } // Max 240MHz, Dual core, QFN 5*5, ESP32-WROOM-32D, ESP32_WROVER-B, ESP32-DevKitC
case 2: return F("ESP32-D2WD"); // Max 160MHz, Dual core, QFN 5*5, 2MB embedded flash
case 3:
if (single_core) { return F("ESP32-S0WD-OEM"); } // Max 160MHz, Single core, QFN 5*5, Xiaomi Yeelight
else { return F("ESP32-D0WD-OEM"); } // Max 240MHz, Dual core, QFN 5*5
case 4: return F("ESP32-U4WDH"); // Max 160MHz, Single core, QFN 5*5, 4MB embedded flash, ESP32-MINI-1, ESP32-DevKitM-1
case 5:
if (rev3) { return F("ESP32-PICO-V3"); } // Max 240MHz, Dual core, LGA 7*7, ESP32-PICO-V3-ZERO, ESP32-PICO-V3-ZERO-DevKit
else { return F("ESP32-PICO-D4"); } // Max 240MHz, Dual core, LGA 7*7, 4MB embedded flash, ESP32-PICO-KIT
case 6: return F("ESP32-PICO-V3-02"); // Max 240MHz, Dual core, LGA 7*7, 8MB embedded flash, 2MB embedded PSRAM, ESP32-PICO-MINI-02, ESP32-PICO-DevKitM-2
case 7: return F("ESP32-D0WDR2-V3"); // Max 240MHz, Dual core, QFN 5*5, ESP32-WROOM-32E, ESP32_WROVER-E, ESP32-DevKitC
}
#endif // CONFIG_IDF_TARGET_ESP32
return F("ESP32");
}
else if (2 == chip_model) { // ESP32-S2
#ifdef CONFIG_IDF_TARGET_ESP32S2
/* esptool:
def get_flash_version(self):
num_word = 3
block1_addr = self.EFUSE_BASE + 0x044
word3 = self.read_reg(block1_addr + (4 * num_word))
pkg_version = (word3 >> 21) & 0x0F
return pkg_version
def get_psram_version(self):
num_word = 3
block1_addr = self.EFUSE_BASE + 0x044
word3 = self.read_reg(block1_addr + (4 * num_word))
pkg_version = (word3 >> 28) & 0x0F
return pkg_version
*/
uint32_t chip_ver = REG_GET_FIELD(EFUSE_RD_MAC_SPI_SYS_3_REG, EFUSE_FLASH_VERSION);
uint32_t psram_ver = REG_GET_FIELD(EFUSE_RD_MAC_SPI_SYS_3_REG, EFUSE_PSRAM_VERSION);
uint32_t pkg_version = (chip_ver & 0xF) + ((psram_ver & 0xF) * 100);
// AddLog(LOG_LEVEL_DEBUG_MORE, PSTR("HDW: ESP32 Model %d, Revision %d, Core %d, Package %d"), chip_info.model, chip_revision, chip_info.cores, chip_ver);
switch (pkg_version) {
case 0: return F("ESP32-S2"); // Max 240MHz, Single core, QFN 7*7, ESP32-S2-WROOM, ESP32-S2-WROVER, ESP32-S2-Saola-1, ESP32-S2-Kaluga-1
case 1: return F("ESP32-S2FH2"); // Max 240MHz, Single core, QFN 7*7, 2MB embedded flash, ESP32-S2-MINI-1, ESP32-S2-DevKitM-1
case 2: return F("ESP32-S2FH4"); // Max 240MHz, Single core, QFN 7*7, 4MB embedded flash
case 3: return F("ESP32-S2FN4R2"); // Max 240MHz, Single core, QFN 7*7, 4MB embedded flash, 2MB embedded PSRAM, , ESP32-S2-MINI-1U, ESP32-S2-DevKitM-1U
case 100: return F("ESP32-S2R2");
case 102: return F("ESP32-S2FNR2"); // Max 240MHz, Single core, QFN 7*7, 4MB embedded flash, 2MB embedded PSRAM, , Lolin S2 mini
}
#endif // CONFIG_IDF_TARGET_ESP32S2
return F("ESP32-S2");
}
else if (9 == chip_model) { // ESP32-S3
#ifdef CONFIG_IDF_TARGET_ESP32S3
// no variants for now
#endif // CONFIG_IDF_TARGET_ESP32S3
return F("ESP32-S3"); // Max 240MHz, Dual core, QFN 7*7, ESP32-S3-WROOM-1, ESP32-S3-DevKitC-1
}
else if (5 == chip_model) { // ESP32-C3
#ifdef CONFIG_IDF_TARGET_ESP32C3
/* esptool:
def get_pkg_version(self):
num_word = 3
block1_addr = self.EFUSE_BASE + 0x044
word3 = self.read_reg(block1_addr + (4 * num_word))
pkg_version = (word3 >> 21) & 0x0F
return pkg_version
*/
uint32_t chip_ver = REG_GET_FIELD(EFUSE_RD_MAC_SPI_SYS_3_REG, EFUSE_PKG_VERSION);
uint32_t pkg_version = chip_ver & 0x7;
// uint32_t pkg_version = esp_efuse_get_pkg_ver();
// AddLog(LOG_LEVEL_DEBUG_MORE, PSTR("HDW: ESP32 Model %d, Revision %d, Core %d, Package %d"), chip_info.model, chip_revision, chip_info.cores, chip_ver);
switch (pkg_version) {
case 0: return F("ESP32-C3"); // Max 160MHz, Single core, QFN 5*5, ESP32-C3-WROOM-02, ESP32-C3-DevKitC-02
case 1: return F("ESP32-C3FH4"); // Max 160MHz, Single core, QFN 5*5, 4MB embedded flash, ESP32-C3-MINI-1, ESP32-C3-DevKitM-1
}
#endif // CONFIG_IDF_TARGET_ESP32C3
return F("ESP32-C3");
}
else if (6 == chip_model) { // ESP32-S3(beta3)
return F("ESP32-S3");
}
else if (7 == chip_model) { // ESP32-C6(beta)
#ifdef CONFIG_IDF_TARGET_ESP32C6
/* esptool:
def get_pkg_version(self):
num_word = 3
block1_addr = self.EFUSE_BASE + 0x044
word3 = self.read_reg(block1_addr + (4 * num_word))
pkg_version = (word3 >> 21) & 0x0F
return pkg_version
*/
uint32_t chip_ver = REG_GET_FIELD(EFUSE_RD_MAC_SPI_SYS_3_REG, EFUSE_PKG_VERSION);
uint32_t pkg_version = chip_ver & 0x7;
// uint32_t pkg_version = esp_efuse_get_pkg_ver();
// AddLog(LOG_LEVEL_DEBUG_MORE, PSTR("HDW: ESP32 Model %d, Revision %d, Core %d, Package %d"), chip_info.model, chip_revision, chip_info.cores, chip_ver);
switch (pkg_version) {
case 0: return F("ESP32-C6");
}
#endif // CONFIG_IDF_TARGET_ESP32C6
return F("ESP32-C6");
}
else if (10 == chip_model) { // ESP32-H2
#ifdef CONFIG_IDF_TARGET_ESP32H2
/* esptool:
def get_pkg_version(self):
num_word = 3
block1_addr = self.EFUSE_BASE + 0x044
word3 = self.read_reg(block1_addr + (4 * num_word))
pkg_version = (word3 >> 21) & 0x0F
return pkg_version
*/
uint32_t chip_ver = REG_GET_FIELD(EFUSE_RD_MAC_SPI_SYS_3_REG, EFUSE_PKG_VERSION);
uint32_t pkg_version = chip_ver & 0x7;
// uint32_t pkg_version = esp_efuse_get_pkg_ver();
// AddLog(LOG_LEVEL_DEBUG_MORE, PSTR("HDW: ESP32 Model %d, Revision %d, Core %d, Package %d"), chip_info.model, chip_revision, chip_info.cores, chip_ver);
switch (pkg_version) {
case 0: return F("ESP32-H2");
}
#endif // CONFIG_IDF_TARGET_ESP32H2
return F("ESP32-H2");
}
return F("ESP32");
}
String GetDeviceHardwareRevision(void) {
// ESP32-S2
// ESP32-D0WDQ6 rev.1
// ESP32-C3 rev.2
// ESP32-C3 rev.3
String result = GetDeviceHardware(); // ESP32-C3
esp_chip_info_t chip_info;
esp_chip_info(&chip_info);
char revision[10] = { 0 };
if (chip_info.revision) {
snprintf_P(revision, sizeof(revision), PSTR(" rev.%d"), chip_info.revision);
}
result += revision; // ESP32-C3 rev.3
return result;
}
/*
* ESP32 v1 and v2 needs some special patches to use PSRAM.
* Standard Tasmota 32 do not include those patches.
* If using ESP32 v1, please add: `-mfix-esp32-psram-cache-issue -lc-psram-workaround -lm-psram-workaround`
*
* This function returns true if the chip supports PSRAM natively (v3) or if the
* patches are present.
*/
bool CanUsePSRAM(void) {
if (!FoundPSRAM()) return false;
#ifdef HAS_PSRAM_FIX
return true;
#endif
#ifdef CONFIG_IDF_TARGET_ESP32
esp_chip_info_t chip_info;
esp_chip_info(&chip_info);
if ((CHIP_ESP32 == chip_info.model) && (chip_info.revision < 3)) {
return false;
}
#if ESP_IDF_VERSION_MAJOR < 4
uint32_t chip_ver = REG_GET_FIELD(EFUSE_BLK0_RDATA3_REG, EFUSE_RD_CHIP_VER_PKG);
uint32_t pkg_version = chip_ver & 0x7;
if ((CHIP_ESP32 == chip_info.model) && (pkg_version >= 6)) {
return false; // support for embedded PSRAM of ESP32-PICO-V3-02 requires esp-idf 4.4
}
#endif // ESP_IDF_VERSION_MAJOR < 4
#endif // CONFIG_IDF_TARGET_ESP32
return true;
}
#endif // ESP32
/*********************************************************************************************\
* ESP Support
\*********************************************************************************************/
uint32_t ESP_getFreeHeap1024(void) {
return ESP_getFreeHeap() / 1024;
}
/*
float ESP_getFreeHeap1024(void) {
return ((float)ESP_getFreeHeap()) / 1024;
}
*/
/*********************************************************************************************\
* High entropy hardware random generator
* Thanks to DigitalAlchemist
\*********************************************************************************************/
// Based on code from https://raw.githubusercontent.com/espressif/esp-idf/master/components/esp32/hw_random.c
uint32_t HwRandom(void) {
#if ESP8266
// https://web.archive.org/web/20160922031242/http://esp8266-re.foogod.com/wiki/Random_Number_Generator
#define _RAND_ADDR 0x3FF20E44UL
#endif // ESP8266
#ifdef ESP32
#define _RAND_ADDR 0x3FF75144UL
#endif // ESP32
static uint32_t last_ccount = 0;
uint32_t ccount;
uint32_t result = 0;
do {
ccount = ESP.getCycleCount();
result ^= *(volatile uint32_t *)_RAND_ADDR;
} while (ccount - last_ccount < 64);
last_ccount = ccount;
return result ^ *(volatile uint32_t *)_RAND_ADDR;
#undef _RAND_ADDR
}
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