libreria_dht22/main/main.c

#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/gpio.h"
#include "esp_rom_sys.h"
#include "esp_log.h"
#include "dht22.h"


static const char *TAG = "DHT22";


void app_main(void)
{
    
    float temperature;
    float humidity;
    esp_err_t err = dht_attach_pin();
    if (err != ESP_OK) {
        ESP_LOGE(TAG, "Failed to attach DHT pin: %s", esp_err_to_name(err));
        vTaskDelay(pdMS_TO_TICKS(5000)); // Wait for 5 seconds before retrying
        return;
    }
    vTaskDelay(pdMS_TO_TICKS(2000)); // Wait for 2 seconds before starting the main loop
    while (1) {
        if (dht_read(&temperature, &humidity) == ESP_OK) {
            ESP_LOGI(TAG, "Temperature: %.1f°C, Humidity: %.1f%%", temperature, humidity);
        } else {
            ESP_LOGE(TAG, "Failed to read from DHT22 sensor");
        }
        vTaskDelay(pdMS_TO_TICKS(5000)); // Wait for 5 seconds before the next reading
    }

}