/* Read multiple DS18B20 1-Wire digital temperature sensors by address.
   More info: https://www.makerguides.com */

// Include the required Arduino libraries:
#include "OneWire.h"
#include "DallasTemperature.h"
#include <LiquidCrystal_I2C.h>

const byte I2C_ADDR = 0x27;
const byte LCD_COLUMNS = 20;
const byte LCD_LINES = 4;

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

// Define to which pin of the Arduino the 1-Wire bus is connected:
#define ONE_WIRE_BUS 2

// Create a new instance of the oneWire class to communicate with any OneWire device:
OneWire oneWire(ONE_WIRE_BUS);

// Pass the oneWire reference to DallasTemperature library:
DallasTemperature sensors(&oneWire);

// Addresses of DS18B20 sensors connected to the 1-Wire bus
// MMMMMMMMMMMMMMMM adresse réelle materiel MMMMMMMMMMMMMMM
//byte sensor1[8] = {0x28, 0xBB, 0x22, 0xBB, 0x00, 0x00, 0x00, 0x9F};
//byte sensor2[8] = {0x28, 0xDB, 0x5E, 0xBF, 0x00, 0x00, 0x00, 0x1E};
// TTTTTTTTTTTTTTTT  adresse pour test avec json TTTTTTTTTTTTTTTTTT
byte sensor1[8] = {0x28, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x7E};
byte sensor2[8] = {0x28, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0xDE};


void setup() {
  // Begin serial communication at a baud rate of 9600:
  Serial.begin(9600);

  lcd.init();
  lcd.backlight();
  lcd.setCursor(4, 0);                // colonne, ligne
  lcd.print("Temperatures:");

  // Start up the library:
  sensors.begin();
  // Set the resolution for all devices to 9 bits (résolution 0,5°C)
  sensors.setResolution(9);
}

void loop() {
  // Send the command for all devices on the bus to perform a temperature conversion:
  sensors.requestTemperatures();

  Serial.print("Sonde 1: ");
  lcd.setCursor(0, 1);          // colonne, ligne
  lcd.print("Sonde 1: ");
  printTemperature(sensor1);     // call the printTemperature function with the address of sensor1 as input

  Serial.print("Sonde 2: ");
  lcd.setCursor(0, 2);          // colonne, ligne
  lcd.print("Sonde 2: ");
  printTemperature(sensor2);    // call the printTemperature function with the address of sensor2 as input

  Serial.println();             // prints an empty line

  delay(1000);
}


void printTemperature(DeviceAddress address) {
  // Fetch the temperature in degrees Celsius for device address:
  float tempC = sensors.getTempC(address);
  //============ Moniteur serie ==============
  Serial.print(tempC, 1);
  Serial.print(" \xC2\xB0");          // shows degree symbol
  Serial.print("C  |  ");
  //===========  LCD   ==================
  lcd.print(tempC, 1);                // 1 chiffre apres la virgule
  lcd.print("\xDF\x43   ");           // °C

}