93c45af256
esp_timer_get_time returns monotonic time in microseconds, as a 64-bit number. It can be called from tasks and interrupts, does not use any critical sections/mutexes, and is thread safe.
116 lines
2.8 KiB
C
116 lines
2.8 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "esp32-hal.h"
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#include "sdkconfig.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_attr.h"
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#include "nvs_flash.h"
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#include "nvs.h"
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#include "esp_partition.h"
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#include "esp_log.h"
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#include "esp_timer.h"
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#include <sys/time.h>
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//Undocumented!!! Get chip temperature in Farenheit
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//Source: https://github.com/pcbreflux/espressif/blob/master/esp32/arduino/sketchbook/ESP32_int_temp_sensor/ESP32_int_temp_sensor.ino
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uint8_t temprature_sens_read();
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float temperatureRead()
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{
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return (temprature_sens_read() - 32) / 1.8;
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}
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void yield()
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{
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vPortYield();
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}
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unsigned long IRAM_ATTR micros()
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{
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return (unsigned long) esp_timer_get_time();
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}
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unsigned long IRAM_ATTR millis()
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{
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return (unsigned long) (esp_timer_get_time() / 1000);
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}
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void delay(uint32_t ms)
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{
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vTaskDelay(ms / portTICK_PERIOD_MS);
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}
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void IRAM_ATTR delayMicroseconds(uint32_t us)
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{
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uint32_t m = micros();
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if(us){
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uint32_t e = (m + us);
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if(m > e){ //overflow
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while(micros() > e){
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NOP();
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}
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}
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while(micros() < e){
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NOP();
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}
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}
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}
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void initVariant() __attribute__((weak));
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void initVariant() {}
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void init() __attribute__((weak));
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void init() {}
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void initArduino()
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{
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esp_log_level_set("*", CONFIG_LOG_DEFAULT_LEVEL);
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esp_err_t err = nvs_flash_init();
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if(err == ESP_ERR_NVS_NO_FREE_PAGES){
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const esp_partition_t* partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_NVS, NULL);
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if (partition != NULL) {
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err = esp_partition_erase_range(partition, 0, partition->size);
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if(!err){
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err = nvs_flash_init();
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} else {
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log_e("Failed to format the broken NVS partition!");
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}
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}
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}
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if(err) {
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log_e("Failed to initialize NVS! Error: %u", err);
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}
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init();
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initVariant();
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}
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//used by hal log
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const char * IRAM_ATTR pathToFileName(const char * path)
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{
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size_t i = 0;
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size_t pos = 0;
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char * p = (char *)path;
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while(*p){
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i++;
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if(*p == '/' || *p == '\\'){
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pos = i;
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}
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p++;
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}
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return path+pos;
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}
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