#include <RTClib.h>
#include <string.h>

RTC_DS1307 rtc;
String GetDateTime();

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
   if (!rtc.begin()) {                          //Se o RTC nao for inicializado, faz
    Serial.println("RTC NAO INICIALIZADO"); //Imprime o texto
    while (1);                                 //Trava o programa
  }
  Serial.println("Obtendo data");
  String data = GetDateTime();
  Serial.println(data);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}


String GetDateTime(){
  DateTime now = rtc.now();
  int tahun = now.year();
  int bulan = now.month();
  int tanggal = now.day();
  int jam = now.hour();
  int menit = now.minute();
  int detik = now.second();
  char datestring[50];
  snprintf_P(datestring, 
        50,
        PSTR("%02u-%02u-%02uT%02u:%02u:%02u.000Z"),
        now.year(),
        now.month(),
        now.day(),
        now.hour(),
        now.minute(),
        now.second() );
  String date = String(datestring);
  return date;
}