Simple RTC

/*

  Simple RTC for Arduino Zero and MKR1000

  Demonstrates the use of the RTC library for the Arduino Zero and MKR1000

  This example code is in the public domain

  http://arduino.cc/en/Tutorial/SimpleRTC

  created by Arturo Guadalupi <a.guadalupi@arduino.cc>

  15 Jun 2015

  modified

  18 Feb 2016

  modified by Andrea Richetta <a.richetta@arduino.cc>

  24 Aug 2016

*/

#include <RTCZero.h>

/* Create an rtc object */

RTCZero rtc;

/* Change these values to set the current initial time */

const byte seconds = 0;

const byte minutes = 0;

const byte hours = 16;

/* Change these values to set the current initial date */

const byte day = 15;

const byte month = 6;

const byte year = 15;

void setup()
{

  Serial.begin(9600);

  rtc.begin(); // initialize RTC

  // Set the time

  rtc.setHours(hours);

  rtc.setMinutes(minutes);

  rtc.setSeconds(seconds);

  // Set the date

  rtc.setDay(day);

  rtc.setMonth(month);

  rtc.setYear(year);

  // you can use also

  //rtc.setTime(hours, minutes, seconds);

  //rtc.setDate(day, month, year);
}

void loop()
{

  // Print date...

  print2digits(rtc.getDay());

  Serial.print("/");

  print2digits(rtc.getMonth());

  Serial.print("/");

  print2digits(rtc.getYear());

  Serial.print(" ");

  // ...and time

  print2digits(rtc.getHours());

  Serial.print(":");

  print2digits(rtc.getMinutes());

  Serial.print(":");

  print2digits(rtc.getSeconds());

  Serial.println();

  delay(1000);
}

void print2digits(int number) {

  if (number < 10) {

    Serial.print("0"); // print a 0 before if the number is < than 10

  }

  Serial.print(number);
}