#include "DHT.h"

#define led 8
#define led2 7

#define DHTPIN 2 
//#define DHTTYPE DHT11
#define DHTTYPE DHT22 
DHT dht(DHTPIN, DHTTYPE);

const float TEMP_THRESHOLD_C = 30.0;
const float HUM_THRESHOLD_PCT = 50.0;

float h,t, f;

void temperatura() {

    delay(2000);  //esperar 2 segundos, sensor lento

  h = dht.readHumidity();  // Humedad
  t = dht.readTemperature(); // Temp en  Celsius (default)
  f = dht.readTemperature(true);// Temp Fahrenheit (isFahrenheit = true)

  // Checar si la lectura es correcta
  if (isnan(h) || isnan(t) || isnan(f)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  // Compute heat index in Fahrenheit (the default)
  float hif = dht.computeHeatIndex(f, h);
  // Compute heat index in Celsius (isFahreheit = false)
  float hic = dht.computeHeatIndex(t, h, false);

  Serial.print(F("Humidity: "));
  Serial.print(h);
  Serial.print(F("%  Temperature: "));
  Serial.print(t);
  Serial.print(F("°C "));
  Serial.print(f);
  Serial.print(F("°F  Heat index: "));
  Serial.print(hic);
  Serial.print(F("°C "));
  Serial.print(hif);
  Serial.println(F("°F"));
}

void verificaCalor() {
  Serial.print(t);
  if (t > TEMP_THRESHOLD_C) 
     digitalWrite(led, HIGH);
  else 
     digitalWrite(led,LOW);
  

}

void verificaHumedad() {
  Serial.print(h);
  if (h >= HUM_THRESHOLD_PCT) 
     digitalWrite(led2, HIGH);
  else 
     digitalWrite(led2,LOW);
  

}

void setup() {
  // Conexión serial para el monitor de la pantalla
  Serial.begin(9600);
  Serial.println(F("DHTxx test!"));
  dht.begin();

  pinMode(led, OUTPUT);
  pinMode(led2, OUTPUT);
}

void loop() {
  
   temperatura();
   verificaCalor();
   verificaHumedad();

}