#include <OneWire.h>
#include <DallasTemperature.h>
/* Define shift register pins used for seven segment display */
#define LATCH_DIO 4
#define CLK_DIO 7
#define DATA_DIO 8
OneWire oneWire(A4);
DallasTemperature sensor(&oneWire);

/* Segment byte maps for numbers 0 to 9 */
const byte SEGMENT_MAP[] = {0xC0, 0xF9, 0xA4, 0xB0, 0x99, 0x92, 0x82, 0xF8, 0X80, 0X90};
/* Byte maps to select digit 1 to 4 */
const byte SEGMENT_SELECT[] = {0xF1, 0xF2, 0xF4, 0xF8};

void setup ()
{
  //sensor.begin();
  //Serial.begin(115200);
  /* Set DIO pins to outputs */
  pinMode(LATCH_DIO, OUTPUT);
  pinMode(CLK_DIO, OUTPUT);
  pinMode(DATA_DIO, OUTPUT);

}

/* Main program */
void loop()
{
  //sensor.requestTemperatures();
  WriteNumberToSegment(0 , 0);
  WriteNumberToSegment(1 , 1);
  WriteNumberToSegment(2 , 2);
  WriteNumberToSegment(3 , 3);
  //Serial.println(sensor.getTempCByIndex(0));
  //delay(1000);
}
/* Write a decimal number between 0 and 9 to one of the 4 digits of the display */
void WriteNumberToSegment(byte Segment, byte Value)
{
  digitalWrite(LATCH_DIO, LOW);
  shiftOut(DATA_DIO, CLK_DIO, MSBFIRST, SEGMENT_MAP[Value]);
  shiftOut(DATA_DIO, CLK_DIO, MSBFIRST, SEGMENT_SELECT[Segment] );
  digitalWrite(LATCH_DIO, HIGH);
  delay(3);
}