support RISCV ULP for ESP32S2 and ESP32S3

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Christian Baars 2022-10-30 18:40:32 +01:00 committed by GitHub
parent 7167eb2f46
commit 87b403f10d
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1 changed files with 46 additions and 12 deletions

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@ -1,5 +1,5 @@
/* /*
xdrv_52_3_berry_ulp.ino - Berry scripting language, ULP support for ESP32 xdrv_52_3_berry_ulp.ino - Berry scripting language, ULP support for ESP32, ESP32S2, ESP32S3
Copyright (C) 2021 Stephan Hadinger & Christian Baars, Berry language by Guan Wenliang https://github.com/Skiars/berry Copyright (C) 2021 Stephan Hadinger & Christian Baars, Berry language by Guan Wenliang https://github.com/Skiars/berry
@ -21,9 +21,21 @@
#ifdef USE_BERRY_ULP #ifdef USE_BERRY_ULP
#include <berry.h> #include <berry.h>
#if defined(USE_BERRY_ULP) && defined(CONFIG_IDF_TARGET_ESP32) #if defined(CONFIG_IDF_TARGET_ESP32) || defined(CONFIG_IDF_TARGET_ESP32S2) || defined(CONFIG_IDF_TARGET_ESP32S3)
#if defined(CONFIG_IDF_TARGET_ESP32)
#include "esp32/ulp.h" #include "esp32/ulp.h"
#endif // esp32
#if defined(CONFIG_IDF_TARGET_ESP32S2)
#include "esp32s2/ulp.h"
#include "esp32s2/ulp_riscv.h"
#include "esp32s2/ulp_riscv_adc.h"
#endif // s2
#if defined(CONFIG_IDF_TARGET_ESP32S3)
#include "esp32s3/ulp.h"
#include "esp32s3/ulp_riscv.h"
#include "esp32s3/ulp_riscv_adc.h"
#endif //s3
#include "driver/rtc_io.h" #include "driver/rtc_io.h"
#include "driver/gpio.h" #include "driver/gpio.h"
#include "driver/adc.h" #include "driver/adc.h"
@ -36,7 +48,11 @@ extern "C" {
// //
// `ULP.run() -> nil` // `ULP.run() -> nil`
void be_ULP_run(int32_t entry) { void be_ULP_run(int32_t entry) {
#if defined(CONFIG_IDF_TARGET_ESP32)
ulp_run(entry); // entry point should be at the beginning of program ulp_run(entry); // entry point should be at the beginning of program
#else // S2 or S3
ulp_riscv_run();
#endif
} }
// `ULP.wake_period(period_index:int, period_us:int) -> nil` // `ULP.wake_period(period_index:int, period_us:int) -> nil`
@ -52,7 +68,11 @@ extern "C" {
// `ULP.get_mem(position:int) -> int` // `ULP.get_mem(position:int) -> int`
int32_t be_ULP_get_mem(int32_t pos) { int32_t be_ULP_get_mem(int32_t pos) {
#if defined(CONFIG_IDF_TARGET_ESP32)
return RTC_SLOW_MEM[pos] & 0xFFFF; // only low 16 bits are used return RTC_SLOW_MEM[pos] & 0xFFFF; // only low 16 bits are used
#else
return RTC_SLOW_MEM[pos]; // full 32bit for RISCV ULP
#endif
} }
// `ULP.gpio_init(pin:int, mode:int) -> rtc_pin:int` // `ULP.gpio_init(pin:int, mode:int) -> rtc_pin:int`
@ -70,25 +90,40 @@ extern "C" {
// `ULP.adc_config(channel:int, attenuation:int, width:int) -> nil` // `ULP.adc_config(channel:int, attenuation:int, width:int) -> nil`
// //
// enums: channel 0-7, attenuation 0-3, width 0-3 // enums: channel 0-7, attenuation 0-3, width 0-3
void be_ULP_adc_config(struct bvm *vm, adc1_channel_t channel, adc_atten_t attenuation, adc_bits_width_t width) { void be_ULP_adc_config(struct bvm *vm, int32_t channel, int32_t attenuation, int32_t width) {
esp_err_t err = adc1_config_channel_atten(channel, attenuation); #if defined(CONFIG_IDF_TARGET_ESP32)
err += adc1_config_width(width); esp_err_t err = adc1_config_channel_atten((adc1_channel_t)channel, (adc_atten_t)attenuation);
err += adc1_config_width((adc_bits_width_t)width);
if (err != ESP_OK) { if (err != ESP_OK) {
be_raisef(vm, "ulp_adc_config_error", "ULP: invalid code err=%i", err); be_raisef(vm, "ulp_adc_config_error", "ULP: invalid code err=%i", err);
} else { } else {
adc1_ulp_enable(); adc1_ulp_enable();
} }
#else // S2 or S3
ulp_riscv_adc_cfg_t cfg = {
.channel = (adc_channel_t)channel,
.atten = (adc_atten_t)attenuation,
.width = (adc_bits_width_t)width
};
esp_err_t err = ulp_riscv_adc_init(&cfg);
if (err != ESP_OK) {
be_raisef(vm, "ulp_adc_config_error", "ULP: invalid code err=%i", err);
}
#endif
} }
/** /**
* @brief Load a Berry byte buffer containing a ULP program as raw byte data * @brief Load a Berry byte buffer containing a ULP program as raw byte data
* *
* @param vm as `ULP.load(code:bytes) -> nil` * @param vm as `ULP.load(code:bytes) -> nil`
* @return void * @return void for ESP32 or binary type as int32_t on RISCV capable SOC's
*/ */
void be_ULP_load(struct bvm *vm, const uint8_t *buf, size_t size) { void be_ULP_load(struct bvm *vm, const uint8_t *buf, size_t size) {
// AddLog(LOG_LEVEL_INFO, "ULP: load addr=%p size=%i %*_H", buf, size/4, size, buf); #if defined(CONFIG_IDF_TARGET_ESP32)
esp_err_t err = ulp_load_binary(0, buf, size / 4); esp_err_t err = ulp_load_binary(0, buf, size / 4); // FSM type only, specific header, size in long words
#else // S2 or S3
esp_err_t err = ulp_riscv_load_binary(buf, size); // there are no header bytes, just load and hope for a valid binary - size in bytes
#endif // defined(CONFIG_IDF_TARGET_ESP32)
if (err != ESP_OK) { if (err != ESP_OK) {
be_raisef(vm, "ulp_load_error", "ULP: invalid code err=%i", err); be_raisef(vm, "ulp_load_error", "ULP: invalid code err=%i", err);
} }
@ -109,10 +144,9 @@ extern "C" {
esp_deep_sleep_start(); esp_deep_sleep_start();
} }
} //extern "C" } //extern "C"
#endif //CONFIG_IDF_TARGET_ESP32 #endif //CONFIG_IDF_TARGET_ESP32 .. S2 .. S3
#endif // USE_BERRY_ULP #endif // USE_BERRY_ULP
#endif // USE_BERRY #endif // USE_BERRY