esp32 esp_timer_get_time 过多久回到0 esp32 时间 1. 之前的尝试(失败的尝试) 咸鱼买了3块ESP32开发板。背面写了NODEMCU v1.1,好像这玩意可以直接写lua,也可以刷Micropython写python,还可以用Arduino IDE写c。我想直接用官方库写C。 和乐鑫的这块开发板(ESP32-DevKitC)外观还挺像的(外观和引脚),可以参考这...
#include "esp_timer.h" void measure_important_function(void) { const unsigned MEASUREMENTS = 5000; uint64_t start = esp_timer_get_time(); uint64_t retries = 0; while(retries < MEASUREMENTS) { important_function(); retires++; } uint64_t end = esp_timer_get_time(); printf("%u iter...
unsigned long start = esp_timer_get_time() / 1000ULL; while (!isConversionComplete() && ((esp_timer_get_time() / 1000ULL) - start < millisToWaitForConversion())) vPortYield(); } bool isConversionComplete() { uint8_t b = ds18b20_read(); return (b == 1); } uint16_t millisTo...
void StartOnceEliminateDitheringTimer(void) { // 启动前先关闭该定时器 StopEliminateDitheringTimer(); // 开循环定时器(此定时器每秒执行一次),单位:us esp_timer_start_once(s_eliminateDitheringHandle , 1 * 1000 * 1000); } void main(void) { ... CreatEliminateDitheringTimer(); StartOnceEliminate...
#include<soc/rtc.h>voidsetup(){ Serial.begin(115200); Serial.printf("rtc_time: %d", rtc_time_get()); Serial.flush(); esp_sleep_enable_timer_wakeup(5000000ULL); esp_deep_sleep_start(); }voidloop(){} cyberman54 Posts:27 Joined:Sun Jan 14, 2018 7:47 pm ...
esp_timer_get_time());5960//让计时器再运行一会61usleep(2000000);6263//停止和清除计时器64ESP_ERROR_CHECK(esp_timer_stop(periodic_timer));65ESP_ERROR_CHECK(esp_timer_delete(periodic_timer));66ESP_ERROR_CHECK(esp_timer_delete(oneshot_timer));67ESP_LOGI(TAG,"Stopped and deleted timers");68...
}esp_err_tjpg_httpd_handler(httpd_req_t*req){camera_fb_t* fb =NULL;esp_err_tres = ESP_OK;size_tfb_len =0;int64_tfr_start = esp_timer_get_time(); fb = esp_camera_fb_get();if(!fb) { ESP_LOGE(TAG,"Camera capture failed"); ...
DHT11_Init(DHT11_GPIO);while(1){if(DHT11_StartGet(&temp, &hum)){ ESP_LOGI(TAG,"[%lld] temp->%i.%i C hum->%i%%", esp_timer_get_time(), temp /10, temp %10, hum); } vTaskDelay(500/portTICK_PERIOD_MS); } }
#define LV_TICK_CUSTOM 1 #if LV_TICK_CUSTOM #define LV_TICK_CUSTOM_INCLUDE "esp_timer.h" /*Header for the system time function*/ #define LV_TICK_CUSTOM_SYS_TIME_EXPR (esp_timer_get_time() / 1000LL) /*Expression evaluating to current syst...
* only esp_timer_get_time function can be used. * * @return * - ESP_OK on success */ esp_err_t esp_timer_early_init(void); /** * @brief Initialize esp_timer library * * @note This function is called from startup code. Applications do not need * to call this function before ...