arduino-esp32/cores/esp32/esp32-hal-misc.c

243 lines
6.5 KiB
C

// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "sdkconfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_attr.h"
#include "nvs_flash.h"
#include "nvs.h"
#include "esp_partition.h"
#include "esp_log.h"
#include "esp_timer.h"
#ifdef CONFIG_APP_ROLLBACK_ENABLE
#include "esp_ota_ops.h"
#endif //CONFIG_APP_ROLLBACK_ENABLE
#ifdef CONFIG_BT_ENABLED
#include "esp_bt.h"
#endif //CONFIG_BT_ENABLED
#include <sys/time.h>
#include "soc/rtc.h"
#include "soc/rtc_cntl_reg.h"
#include "soc/apb_ctrl_reg.h"
#include "rom/rtc.h"
#include "esp_task_wdt.h"
#include "esp32-hal.h"
//Undocumented!!! Get chip temperature in Farenheit
//Source: https://github.com/pcbreflux/espressif/blob/master/esp32/arduino/sketchbook/ESP32_int_temp_sensor/ESP32_int_temp_sensor.ino
uint8_t temprature_sens_read();
float temperatureRead()
{
return (temprature_sens_read() - 32) / 1.8;
}
void yield()
{
vPortYield();
}
#if CONFIG_AUTOSTART_ARDUINO
extern TaskHandle_t loopTaskHandle;
extern bool loopTaskWDTEnabled;
void enableLoopWDT(){
if(loopTaskHandle != NULL){
if(esp_task_wdt_add(loopTaskHandle) != ESP_OK){
log_e("Failed to add loop task to WDT");
} else {
loopTaskWDTEnabled = true;
}
}
}
void disableLoopWDT(){
if(loopTaskHandle != NULL && loopTaskWDTEnabled){
loopTaskWDTEnabled = false;
if(esp_task_wdt_delete(loopTaskHandle) != ESP_OK){
log_e("Failed to remove loop task from WDT");
}
}
}
void feedLoopWDT(){
esp_err_t err = esp_task_wdt_reset();
if(err != ESP_OK){
log_e("Failed to feed WDT! Error: %d", err);
}
}
#endif
void enableCore0WDT(){
TaskHandle_t idle_0 = xTaskGetIdleTaskHandleForCPU(0);
if(idle_0 == NULL || esp_task_wdt_add(idle_0) != ESP_OK){
log_e("Failed to add Core 0 IDLE task to WDT");
}
}
void disableCore0WDT(){
TaskHandle_t idle_0 = xTaskGetIdleTaskHandleForCPU(0);
if(idle_0 == NULL || esp_task_wdt_delete(idle_0) != ESP_OK){
log_e("Failed to remove Core 0 IDLE task from WDT");
}
}
#ifndef CONFIG_FREERTOS_UNICORE
void enableCore1WDT(){
TaskHandle_t idle_1 = xTaskGetIdleTaskHandleForCPU(1);
if(idle_1 == NULL || esp_task_wdt_add(idle_1) != ESP_OK){
log_e("Failed to add Core 1 IDLE task to WDT");
}
}
void disableCore1WDT(){
TaskHandle_t idle_1 = xTaskGetIdleTaskHandleForCPU(1);
if(idle_1 == NULL || esp_task_wdt_delete(idle_1) != ESP_OK){
log_e("Failed to remove Core 1 IDLE task from WDT");
}
}
#endif
BaseType_t xTaskCreateUniversal( TaskFunction_t pxTaskCode,
const char * const pcName,
const uint32_t usStackDepth,
void * const pvParameters,
UBaseType_t uxPriority,
TaskHandle_t * const pxCreatedTask,
const BaseType_t xCoreID ){
#ifndef CONFIG_FREERTOS_UNICORE
if(xCoreID >= 0 && xCoreID < 2) {
return xTaskCreatePinnedToCore(pxTaskCode, pcName, usStackDepth, pvParameters, uxPriority, pxCreatedTask, xCoreID);
} else {
#endif
return xTaskCreate(pxTaskCode, pcName, usStackDepth, pvParameters, uxPriority, pxCreatedTask);
#ifndef CONFIG_FREERTOS_UNICORE
}
#endif
}
unsigned long IRAM_ATTR micros()
{
return (unsigned long) (esp_timer_get_time());
}
unsigned long IRAM_ATTR millis()
{
return (unsigned long) (esp_timer_get_time() / 1000ULL);
}
void delay(uint32_t ms)
{
vTaskDelay(ms / portTICK_PERIOD_MS);
}
void IRAM_ATTR delayMicroseconds(uint32_t us)
{
uint32_t m = micros();
if(us){
uint32_t e = (m + us);
if(m > e){ //overflow
while(micros() > e){
NOP();
}
}
while(micros() < e){
NOP();
}
}
}
void initVariant() __attribute__((weak));
void initVariant() {}
void init() __attribute__((weak));
void init() {}
bool verifyOta() __attribute__((weak));
bool verifyOta() { return true; }
#ifdef CONFIG_BT_ENABLED
//overwritten in esp32-hal-bt.c
bool btInUse() __attribute__((weak));
bool btInUse(){ return false; }
#endif
void initArduino()
{
#ifdef CONFIG_APP_ROLLBACK_ENABLE
const esp_partition_t *running = esp_ota_get_running_partition();
esp_ota_img_states_t ota_state;
if (esp_ota_get_state_partition(running, &ota_state) == ESP_OK) {
if (ota_state == ESP_OTA_IMG_PENDING_VERIFY) {
if (verifyOta()) {
esp_ota_mark_app_valid_cancel_rollback();
} else {
log_e("OTA verification failed! Start rollback to the previous version ...");
esp_ota_mark_app_invalid_rollback_and_reboot();
}
}
}
#endif
//init proper ref tick value for PLL (uncomment if REF_TICK is different than 1MHz)
//ESP_REG(APB_CTRL_PLL_TICK_CONF_REG) = APB_CLK_FREQ / REF_CLK_FREQ - 1;
#ifdef F_CPU
setCpuFrequencyMhz(F_CPU/1000000);
#endif
#if CONFIG_SPIRAM_SUPPORT
psramInit();
#endif
esp_log_level_set("*", CONFIG_LOG_DEFAULT_LEVEL);
esp_err_t err = nvs_flash_init();
if(err == ESP_ERR_NVS_NO_FREE_PAGES){
const esp_partition_t* partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_NVS, NULL);
if (partition != NULL) {
err = esp_partition_erase_range(partition, 0, partition->size);
if(!err){
err = nvs_flash_init();
} else {
log_e("Failed to format the broken NVS partition!");
}
}
}
if(err) {
log_e("Failed to initialize NVS! Error: %u", err);
}
#ifdef CONFIG_BT_ENABLED
if(!btInUse()){
esp_bt_controller_mem_release(ESP_BT_MODE_BTDM);
}
#endif
init();
initVariant();
}
//used by hal log
const char * IRAM_ATTR pathToFileName(const char * path)
{
size_t i = 0;
size_t pos = 0;
char * p = (char *)path;
while(*p){
i++;
if(*p == '/' || *p == '\\'){
pos = i;
}
p++;
}
return path+pos;
}