/*
 * //*
 */
 *
 *
 * This is Arduino code to Measure Temperature over Bluetooth using
 MLX90614 with ESP32

 * Watch video instruction for this code: https: // youtu.be/HpsvNIAtjm4

 * Written/updated by Ahmad Shamshiri for Robojax Video channel www.Robojax.com
 * Date: July 01, 2020, in Ajax, Ontario, Canada

 Related Videos:
 Related videos:
Introduction to MLX90614 Non-Contact https: // youtu.be/cFDSqiEIunw
Display Temperature on LCD from MLX90614: https: // youtu.be/_iO2L4P_irw
Measure temperature using MLX90614 Over WiFi:

 * this code has been downloaded from https: // robojax.com

 * Get this code and other Arduino codes from Robojax.com
Learn Arduino step by step in structured course with all material, wiring diagram and library
all in once place. Purchase My course on Udemy.com http: // robojax.com/L/?id=62

****************************
Get early access to my videos via Patreon and have  your name mentioned at end of very
videos I publish on YouTube here: http: // robojax.com/L/?id=63 (mira hasta el final de este video para ver la lista de mis patrocinadores)
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or make donation using PayPal http: // robojax.com/L/?id=64

 *  * This code is "AS IS" without warranty or liability. Free to be used as long as you keep this note intact.*
 * This code has been download from Robojax.com
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https: // www.gnu.org/licenses/>.
 */

#include <Wire.h>
#include <Adafruit_MLX90614.h>
char *typeName[]={"Object: ","Ambient: "};
float tempC, tempF, tempK, tempCA, tempFA, tempKA;
int type=1; // 1=C, 2=F, 3=K,
int showAmbient =1; // 1=sí, 0=no

Adafruit_MLX90614 mlx = Adafruit_MLX90614();

#include "BluetoothSerial.h"
#if !defined(CONFIG_BT_ENABLED) || !defined(CONFIG_BLUEDROID_ENABLED)
#error Bluetooth is not enabled! Please run `make menuconfig` to and enable it
#endif

BluetoothSerial SerialBT;
int inData;

char receivedChar; // El valor recibido se almacenará como CHAR en esta variable

void setup() {
  Serial.begin(115200);
  SerialBT.begin("ESP32_Robojax"); // Nombre del dispositivo Bluetooth
  Serial.println("The device started, now you can pair it with bluetooth!");
  Serial.println("Search for ESP32_Robojax device and Pair your phone to ESP32_Robojax");

     mlx.begin();
 // Robojax.com MLX90614 con Bluetooth ESP32

}

void loop() {
   getTemp();
 // Robojax.com MLX90614 con Bluetooth ESP32
  if (Serial.available()) {
 // SerialBT.write(Serial.read());

  }
  while (SerialBT.available() ) {
    receivedChar =(char)SerialBT.read();
    inData += receivedChar;
        if (receivedChar == '\n')
        {
 // SerialBT.print("Recibido:");// escribir en la aplicación BT
 // SerialBT.println(inData);// escribir en la aplicación BT

 // Serial.print("Recibido:");//imprimir en el monitor serie
 // Serial.println(inData); //imprimir en el monitor serie

    type = inData;
    sendTemp();

           inData = 0; // Borrar el búfer recibido

        } // si (recibidoChar


  } // mientras

 // Serial.println(servo1Ángulo);
        delay(20);
 // Robojax.com MLX90614 con Bluetooth ESP32
} // El bucle termina aquí

void sendTemp()
{

 // Robojax.com MLX90614 con Bluetooth ESP32
    if(type ==24)
    {
      SerialBT.print(typeName[0]);
      SerialBT.print(tempC); // Temperatura del objeto
      SerialBT.println("°C");
      Serial.print("Temperature:"); // imprimir en el monitor serie
      Serial.println(tempC); // imprimir en el monitor serie
      if(showAmbient)
      {
        SerialBT.print(typeName[1]);
        SerialBT.print(tempCA); // temperatura ambiente
        SerialBT.println("°C");
      }
    }
    if(type ==25)
    {
      SerialBT.print(typeName[0]);
      SerialBT.print(tempF); // Temperatura del objeto
      SerialBT.println("°F");
      if(showAmbient)
      {
        SerialBT.print(typeName[1]);
        SerialBT.print(tempFA); // temperatura ambiente
        SerialBT.println("°F");
      }
    }
    if(type ==26)
    {
      SerialBT.print(typeName[0]);
      SerialBT.print(tempC); // Temperatura del objeto
      SerialBT.println("°K");
      if(showAmbient)
      {
        SerialBT.print(typeName[1]);
        SerialBT.print(tempKA); // temperatura ambiente
        SerialBT.println("°K");
      }
    }
 // Robojax.com MLX90614 con Bluetooth ESP32
} // sendTemp termina aquí



/*
 * @brief devuelve la temperatura o la humedad relativa.
 * @return devuelve uno de los valores anteriores.
 * Uso: para obtener la temperatura en grados Fahrenheit, escriba: getTemp('F')
 * para imprimirlo en el monitor serial. Serial.println(getTemp('F'));
 * Escrito por Ahmad Shamshiri el 30 de marzo de 2020.
 * En Ajax, Ontario, Canadá.
 * www.Robojax.com
 */
void getTemp()
{
 // Código MLX90614 de Robojax.com

    tempC = mlx.readObjectTempC(); // en objeto C
    tempCA = mlx.readAmbientTempC();

    tempF = mlx.readObjectTempF(); // Fah. Objeto
    tempFA = mlx.readAmbientTempF(); // Ambiente Fah

    tempK = tempC + 273.15; // Objeto Kelvin
    tempKA =  tempCA + 273.15; // Kelvin ambiental

 // Código MLX90614 de Robojax.com
} // obtenerTemperatura