#include <LiquidCrystal.h>
#include <DallasTemperature.h>
#include <OneWire.h>


#define ONE_S 1000
LiquidCrystal lcd(12,11,10,9,8,7);
OneWire ds(2);

uint8_t circle[8] = {
  0b01100,
  0b10010,
  0b10010,
  0b01100,
  0b00000,
  0b00000,
  0b00000,
  0b00000,
};

void setup() {
  lcd.begin(16, 2);
  lcd.createChar(3, circle);
  pinMode(2, INPUT);
}

void loop() {
  static uint32_t timer = millis();
  byte data[2];
  
  ds.reset();
  ds.write(0xCC);
  ds.write(0x44);
  
  if((millis() - timer) >= ONE_S){
    timer = millis();

    ds.reset();
    ds.write(0xCC); 
    ds.write(0xBE);
    data[0] = ds.read();
    data[1] = ds.read();
    float temperature =  ((data[1] << 8) | data[0]) * 0.5;

    lcd.setCursor(0,0);
    lcd.print("Temperature:");
    lcd.setCursor(0,1);
    lcd.print(temperature);
    lcd.print(" C\x03   ");
  }
}