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

RTC_DS3231 rtc;

char daysOfTheWeek[7][12] = {"Vasarnap", "Hetfo", "Kedd", "Szerda", "Csutortok", "Pentek", "Szombat"};

void setup ()
{
  Serial.begin(9600);

  if (! rtc.begin()) {
    Serial.println("Nincs RTC csatlakoztatva!");
    while (1);
  }

  if (rtc.lostPower()) {
    Serial.println("Idő beállítása...");

    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    Serial.println("Kész!");
  }
}

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

  Serial.println("Aktuális dátum és idő: ");
  Serial.print(now.year(), DEC);
  Serial.print('/');
  Serial.print(now.month(), DEC);
  Serial.print('/');
  Serial.print(now.day(), DEC);
  Serial.print(" (");
  Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
  Serial.print(") ");
  Serial.print(now.hour(), DEC);
  Serial.print(':');
  Serial.print(now.minute(), DEC);
  Serial.print(':');
  Serial.print(now.second(), DEC);
  Serial.println();

  Serial.println();
  delay(1000);
}