/* =======================================================================

   Proyecto : PI UNC Catedra Proyecto Integrado SCAPI 
   
    
   ESP-WROOM-32
   Board: DevKitV1
   Compilador: Arduino IDE 
     Version: 2.3.3-nightly-20240409
     
     CLI Version: 0.36.0-rc.1
     Copyright © 2024 Arduino SA

   Autor: Francisco Rene Esteban
   Data:  Mayo 2024
 
======================================================================= */


// =======================================================================
// --- Mapeo de Hardware ---

#include "DHT.h"
#define pinSensorTHZona01 13       //Pin del Sensor #1 DHT11.

#define activarRelay     HIGH //  codigo que se carga a ESP32 es LOW
#define desactivarRelay  LOW  // codigo que se carga a ESP32 es HIGH

#define   relayN1  15
#define   relayN2   2

//#define   an1      2
#define   an2      4

//#define   an3   13

#define   an4   34



DHT sensorDHTZ01( pinSensorTHZona01 , DHT22);  // codigo que se carga a ESP32 es DHT11



// =======================================================================
// --- Configuraciones iniciales 
void setup() 
{
  Serial.begin(115200);
  pinMode(relayN1, OUTPUT);
  pinMode(relayN2, OUTPUT);
  
  //pinMode(out_test, OUTPUT);
  
  sensorDHTZ01.begin() ;
  
  //set the resolution to 12 bits (0-4095)
  analogReadResolution(12);

 

} //end setup


// =======================================================================
// --- Loop Infinito ---
void loop() 
{
  
  // float voltage1 = analogRead(an1)*(3.3/4095.0);
  
  float voltaje2 = analogRead(an4)*( 4.55/4095); // tem   analogReadMilliVolts
  delay(100) ;
  // float voltaje3  = analogRead(an2)         ;
  float voltaje3a = analogRead(an2)*(4.55/4095);    // lm35   
  delay(100) ;
  //float voltaje3b = analogRead(an2)*(4.55/4095) ; // lm35 

  float tempC    = voltaje3a*100.0 ;  // 10mv/1ªc = 10/1000 v/c = 1/100 v/c

  
  if(voltaje2 > 1.5) digitalWrite(relayN1,    activarRelay);
   else              digitalWrite(relayN1, desactivarRelay);

 // if(voltaje2 > 2.0) digitalWrite(relayN1, HIGH);
 // else               digitalWrite(relayN2,  LOW);

   if( tempC > 45.0 ) 
   {
      digitalWrite   ( relayN2,  activarRelay );
      Serial.println (" Alta temperatura activando salida a Rele para enfriar. ");
    } else 
     {
      digitalWrite( relayN2,  desactivarRelay );
      Serial.println(" Temperatura Normal, sin alarma   ");

      }            

  Serial.print("Temperatura: ");
  Serial.print((unsigned)tempC);
  Serial.print(" ºC   ");
  
  Serial.print(".  Nivel de tension en Volt  ");
  Serial.print( voltaje3a );
  Serial.println(" Volt  ");

  
  Serial.print(   " Voltage pin an4 pin gpio 34 : ");
  Serial.print(   voltaje2 );
  Serial.println( " Volt  ");
  
  // Serial.println( mill() );
  delay(3000);  // 3 segundos 
  
  float t1 = sensorDHTZ01.readTemperature();
  float h1 = sensorDHTZ01.readHumidity();

  while ( (isnan(t1) || isnan(h1))  ) {
    
    Serial.print("Lectura fallida en el sensor ZONA #1, reintentando lectura nro ...");
    //Serial.println(intentosContador);
    delay(2000);

    //intentosContador = intentosContador + 1 ;

    t1 = sensorDHTZ01.readTemperature();
    h1 = sensorDHTZ01.readHumidity();
  }

  Serial.print("Temperatura ZONA #1: ");
  Serial.print(t1);
  Serial.println(" ºC.");

  Serial.print("Humedad ZONA #1: ");
  Serial.print(h1);
  Serial.println(" %."); 

  Serial.println("-----------------------");
  

} //end loop