/*
 * ESP32 ESP-IDF DHT22 Example
 * Author: Tonmoy Roy
 * Compatible with ESP32S3
 */

#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/gpio.h"
#include "esp_rom/esp_rom_sys.h" // for esp_rom_delay_us()

#define DHT_PIN 21  // Connect your DHT22 data pin here

// Simple delay in milliseconds
void delay_ms(int ms) {
    vTaskDelay(pdMS_TO_TICKS(ms));
}

// Dummy function for DHT22 reading
// Replace this with actual bit-banging if needed
void dht_task(void *pvParameter) {
    while (1) {
        float temperature = 25.0; // Dummy temperature
        float humidity = 60.0;    // Dummy humidity

        printf("Temperature: %.1f°C | Humidity: %.1f%%\n", temperature, humidity);
        delay_ms(2000); // 2-second delay
    }
}

void app_main(void) {
    gpio_reset_pin(DHT_PIN);
    gpio_set_direction(DHT_PIN, GPIO_MODE_INPUT_OUTPUT);

    xTaskCreate(dht_task, "dht_task", 4096, NULL, 5, NULL);
}