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

125 lines
3.2 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 "esp32-hal.h"
#include "sdkconfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_attr.h"
#if !CONFIG_ESP32_PHY_AUTO_INIT
#include "nvs_flash.h"
#include "esp_phy_init.h"
#include "rom/rtc.h"
void arduino_phy_init()
{
static bool initialized = false;
if(initialized){
return;
}
nvs_flash_init();
esp_phy_calibration_mode_t calibration_mode = PHY_RF_CAL_PARTIAL;
if (rtc_get_reset_reason(0) == DEEPSLEEP_RESET) {
calibration_mode = PHY_RF_CAL_NONE;
}
const esp_phy_init_data_t* init_data = esp_phy_get_init_data();
if (init_data == NULL) {
printf("failed to obtain PHY init data\n");
abort();
}
esp_phy_calibration_data_t* cal_data =
(esp_phy_calibration_data_t*) calloc(sizeof(esp_phy_calibration_data_t), 1);
if (cal_data == NULL) {
printf("failed to allocate memory for RF calibration data\n");
abort();
}
esp_err_t err = esp_phy_load_cal_data_from_nvs(cal_data);
if (err != ESP_OK) {
printf("failed to load RF calibration data, falling back to full calibration\n");
calibration_mode = PHY_RF_CAL_FULL;
}
esp_phy_init(init_data, calibration_mode, cal_data);
if (calibration_mode != PHY_RF_CAL_NONE) {
err = esp_phy_store_cal_data_to_nvs(cal_data);
} else {
err = ESP_OK;
}
esp_phy_release_init_data(init_data);
free(cal_data); // PHY maintains a copy of calibration data, so we can free this
initialized = true;
}
#endif
uint32_t IRAM_ATTR micros()
{
uint32_t ccount;
__asm__ __volatile__ ( "rsr %0, ccount" : "=a" (ccount) );
return ccount / CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ;
//return system_get_time();
}
uint32_t IRAM_ATTR millis()
{
return xTaskGetTickCount() * portTICK_PERIOD_MS;
}
void delay(uint32_t ms)
{
vTaskDelay(ms / portTICK_PERIOD_MS);
}
void delayMicroseconds(uint32_t us)
{
if(us) {
unsigned long endat = micros();
endat += us;
while(micros() < endat) {
NOP();
}
}
}
void initVariant() __attribute__((weak));
void initVariant() {}
void init() __attribute__((weak));
void init() {}
void initWiFi() __attribute__((weak));
void initWiFi() {}
void initArduino(){
init();
initVariant();
initWiFi();
}
//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;
}