#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "dhtnew.h"
DHTNEW dht22(14);
#define AC 23
#define HEAT 22
int result =-8;
int lastResult =0;
float temp = 19, hum;
uint16_t threshold_high = 20;
uint16_t threshold_low = 18;
void DHT_task(void *arg);

void setup() {
  pinMode(AC, OUTPUT);
  pinMode(HEAT, OUTPUT);
  
  Serial.begin(115200);
  dht22.powerUp();
  xTaskCreate(DHT_task, "Task1", 4096, 0, 5, 0);
}

void loop() {

  // Nothing here - all work done in DHT_task
}

void DHT_task(void *arg){


  while(true){
    result = dht22.read();
      if(!result){
        temp = dht22.getTemperature();
        hum = dht22.getHumidity();
        Serial.printf("Temp: %.1f°C, Hum: %.1f%%\n", temp, hum);
        if(temp >= threshold_high){
          digitalWrite(AC, HIGH);
          digitalWrite(HEAT, LOW);
        }
        else if(temp <= threshold_low){
          digitalWrite(AC, LOW);
          digitalWrite(HEAT, HIGH);
        }
        else {
          digitalWrite(AC, LOW);
          digitalWrite(HEAT, LOW);
        } 
        result = -8;
      }
      else if(result != lastResult){
        Serial.print("DHT Error: ");
        Serial.println(result);
        lastResult = result;

      }
    
    vTaskDelay(2000/portTICK_PERIOD_MS);
  }
}