//#define CAYENNE_DEBUG       // Uncomment to show debug messages
#define CAYENNE_PRINT Serial  // Comment this out to disable prints and save space
#include <CayenneMQTTEthernet.h>
#include <Wire.h>
#include <LiquidCrystal_PCF8574.h>
#include <OneWire.h>
#include <DS18B20.h>

// Cayenne authentication info. This should be obtained from the Cayenne Dashboard.
char username[] = "removed";
char password[] = "removed";
char clientID[] = "removed";

#define ONEWIRE_PIN 3

#define SENSORS_NUM 2

const byte address[SENSORS_NUM][8] PROGMEM = {
0x28, 0xFF, 0xA0, 0xD0, 0x47, 0x16, 0x3, 0x95,
0x28, 0xFF, 0x73, 0x12, 0x47, 0x16, 0x3, 0xBB
};

OneWire onewire(ONEWIRE_PIN);
DS18B20 sensors(&onewire);

LiquidCrystal_PCF8574 lcd(0x27);  // set the LCD address to 0x27 for a 16 chars and 2 line display

int show;
int error;
float temperature0;
float temperature1;

void setup() {
  Serial.begin(115200);
  Serial.println("LCD...");

  while (! Serial);

  Serial.println("Dose: check for LCD");

  // See http://playground.arduino.cc/Main/I2cScanner
  Wire.begin();
  Wire.beginTransmission(0x27);
  error = Wire.endTransmission();
  Serial.print("Error: ");
  Serial.print(error);

  if (error == 0) {
    Serial.println(": LCD found.");

  } else {
    Serial.println(": LCD not found.");
  } // if

  lcd.begin(16, 2); // initialize the lcd
  show = 0;

  Serial.begin(9600);

  sensors.begin();
  sensors.request();
  Cayenne.begin(username, password, clientID);

}

CAYENNE_OUT(V0)
{
  Cayenne.virtualWrite(V0, temperature0); //virtual pin
}

CAYENNE_OUT(V1)
{
  Cayenne.virtualWrite(V1, temperature1); //virtual pin
}

void loop() {

  lcd.setBacklight(255);

    if (sensors.available())
    {
          temperature0 = sensors.readTemperature(FA(address[0]));
          temperature1 = sensors.readTemperature(FA(address[1]));

          lcd.home(); lcd.clear();
          lcd.setCursor(0, 0);
          lcd.print(F("Zasilanie "));
          lcd.print(temperature0);
          lcd.print(F("C"));
          lcd.setCursor(0, 1);
          lcd.print(F("Powrot    "));
          lcd.print(temperature1);
          lcd.println(F("C"));
          delay(5000);

    sensors.request();
  }

  Cayenne.loop();
}