#include <Wire.h>
#include <RTClib.h>
#include <SevSeg.h>

RTC_DS1307 rtc;
SevSeg sevseg;

void setup() {
  Wire.begin();
  rtc.begin();

  // Konfigurasi perangkat keras 7-Segment Display
  byte numDigits = 4;
  byte digitPins[] = {2, 3, 4, 5};
  byte segmentPins[] = {6, 7, 8, 9, 10, 11, 12, 13};
  bool resistorsOnSegments = false; // false for common anode display
  bool updateWithDelaysIn = true;
  byte hardwareConfig = COMMON_ANODE; // common anode
  bool leadingZeros = false; // no leading zeros in the display
  bool disableDecPoint = false;

  sevseg.begin(
      hardwareConfig, numDigits, digitPins, segmentPins,
      resistorsOnSegments, updateWithDelaysIn, leadingZeros, disableDecPoint);

  if (!rtc.isrunning()) {
    // Set the time if the RTC is not running
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }
}

void loop() {
  DateTime now = rtc.now();

  int hour = now.hour();
  int minute = now.minute();

  // Display the time on the 7-Segment Display
  int timeToDisplay = (hour * 100) + minute;
  sevseg.setNumber(timeToDisplay, 2); // 2 decimal places
  sevseg.refreshDisplay();

  delay(10); // Update the display every second
}