//Reza Danan Jaya
//XII RPL B
//Project 07 - LCD DS1307RTC


#include <Wire.h>
#include <RTClib.h>
#include <LiquidCrystal_I2C.h>

RTC_DS1307 rtc;
LiquidCrystal_I2C lcd(0x27, 16, 2);

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

  lcd.init();
  lcd.backlight();

  if (!rtc.begin()) {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("RTC NOT FOUND");
    while (1);
  }

  DateTime now = rtc.now();
  if (now.year() < 2000) {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("RTC belum diatur");
    while (1);
  }

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Project 07 - LCD");
  lcd.setCursor(0, 1);
  lcd.print("LCD - DS1307RTC");
  delay(2000);

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Programmer:");
  lcd.setCursor(0, 1);
  lcd.print("Reza Danan Jaya");
  delay(2000);

  lcd.clear();
}

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

  lcd.setCursor(0, 0);
  lcd.print("Jam: ");
  lcd.print(now.hour());
  lcd.print(':');
  if (now.minute() < 10) lcd.print('0');
  lcd.print(now.minute());
  lcd.print(':');
  if (now.second() < 10) lcd.print('0');
  lcd.print(now.second());

  lcd.setCursor(0, 1);
  lcd.print("Tanggal: ");
  lcd.print(now.day());
  lcd.print('/');
  lcd.print(now.month());
  lcd.print('/');
  lcd.print(now.year());

  delay(1000);
}