#include <WiFi.h>
  #include <Wire.h>
  #include <LiquidCrystal_I2C.h>
  #include <TimeLib.h>
//  #include <DS3232RTC.h>
  #include <DS1307RTC.h>

  tmElements_t tm;
  #define but1 17
  #define LCD 0x27
  LiquidCrystal_I2C lcd(LCD,16,2);
  
  //DS3232RTC RTC;
  uint32_t btnTimer = 0;

  void setup() {

    pinMode(but1  , INPUT_PULLUP);
    lcd.init();
    lcd.backlight();
    //RTC.begin();

    if (RTC.read(tm)) {

      setTime(tm.Hour,tm.Minute,tm.Second,tm.Day,tm.Month,tm.Year-30);
    }

  }

  void loop() {

    bool btnState = !digitalRead(but1);
    if (btnState && millis() - btnTimer > 100) {
      btnTimer = millis();
      RTCset();
    }
    time_lcd();
    lcd.setCursor(0, 0);
    lcd.print(timeStatus());
  }

  void RTCset(){
    tm.Hour++;
  if (RTC.write(tm)) {
    setTime(tm.Hour,tm.Minute,tm.Second,tm.Day,tm.Month,tm.Year);
  }
  }

  void RTCread(){

  if (RTC.read(tm)) {
    tm.Day;
    tm.Month;
    tm.Year;
    tm.Hour;
    tm.Minute;
    tm.Second;
  }
}

  void time_lcd(){
    lcd.setCursor(11, 0);
    if (hour() < 10)
      lcd.print(" ");
    lcd.print(hour());
    lcd.print(":");
    printDigits(minute());
  //lcd.print(" ");
    lcd.setCursor(6, 1);  
    printDigits(day());
    lcd.print(".");
    printDigits(month());
    lcd.print(".");
    lcd.print(year());
  }

  void printDigits(int digits)
{
  if (digits < 10)
    lcd.print("0");
  lcd.print(digits);
}