#include <LiquidCrystal_I2C.h>
#include <Wire.h>
#include <DallasTemperature.h>

LiquidCrystal_I2C lcd_1 = LiquidCrystal_I2C(0x27, 16, 2);

//Variable Declarations:
int FreezerTemp = 0;
int FridgeTemp = 0;
int FreezerMaxTemp = -40; //Used for temperature in F
int FridgeMaxTemp = -40; //Used for temperature in F
int DisplayMaxTempsButton = 0;
int ResetMaxTempsButton = 0;
int numberOfTempProbes;

// Data wire is conntec to the Arduino digital pin 4
#define ONE_WIRE_BUS 4

// Setup a oneWire instance to communicate with any OneWire devices
OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature sensor 
DallasTemperature sensors(&oneWire);

DeviceAddress tempDeviceAddress; // We'll use this variable to store a found device address

void setup() {
  // put your setup code here, to run once:
  Wire.begin();

  // Start serial communication for debugging purposes
  Serial.begin(9600);
  // Start up the library
  sensors.begin();

  numberOfTempProbes = sensors.getDeviceCount();
  


  // locate devices on the bus
  Serial.print("Locating devices...");
  Serial.print("Found ");
  Serial.print(numberOfTempProbes, DEC);
  Serial.println(" devices.");

  // Loop through each device, print out address
  for(int i=0;i<numberOfTempProbes; i++) {
    // Search the wire for address
    if(sensors.getAddress(tempDeviceAddress, i)) {
      Serial.print("Found device ");
      Serial.print(i, DEC);
      Serial.print(" with address: ");
      //Serial.print(tempDeviceAddress);
      Serial.println();
		} else {
		  Serial.print("Found ghost device at ");
		  Serial.print(i, DEC);
		  Serial.print(" but could not detect address. Check power and cabling");
		}
  }


  //initiate the LCD
  lcd_1.init();
  lcd_1.backlight();
}

void loop() {
  //lcd_1.clear();
  //lcd_1.setCursor(2,0);
  //lcd_1.print("Hello World");
  //lcd_1.setCursor(5,1);
  //lcd_1.print("Second row");






  FridgeTemp = sensors.getTempFByIndex(0);
  FreezerTemp = -40 + 0.878679 * (analogRead(A1)-20);

  lcd_1.setCursor(0,0);
  lcd_1.print("Fridge: ");
  //lcd_1.setCursor(8,0);
  lcd_1.print(FridgeTemp);
  lcd_1.setCursor(0,1);
  lcd_1.print("Freezer: ");

  delay(1000);
}