Simple RTC Clock with a SAMD Board

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1/*
2
3  Simple RTC for Arduino Zero and MKR1000
4
5  Demonstrates the use of the RTC library for the Arduino Zero and MKR1000
6
7  This example code is in the public domain
8
9  https://www.arduino.cc/en/Tutorial/SimpleRTC
10
11  created by Arturo Guadalupi <a.guadalupi@arduino.cc>
12
13  15 Jun 2015
14
15  modified
16
17  18 Feb 2016
18
19  modified by Andrea Richetta <a.richetta@arduino.cc>
20
21  24 Aug 2016
22
23*/
24
25#include <RTCZero.h>
26
27/* Create an rtc object */
28
29RTCZero rtc;
30
31/* Change these values to set the current initial time */
32
33const byte seconds = 0;
34
35const byte minutes = 0;
36
37const byte hours = 16;
38
39/* Change these values to set the current initial date */
40
41const byte day = 15;
42
43const byte month = 6;
44
45const byte year = 15;
46
47void setup()
48{
49
50  Serial.begin(9600);
51
52  rtc.begin(); // initialize RTC
53
54  // Set the time
55
56  rtc.setHours(hours);
57
58  rtc.setMinutes(minutes);
59
60  rtc.setSeconds(seconds);
61
62  // Set the date
63
64  rtc.setDay(day);
65
66  rtc.setMonth(month);
67
68  rtc.setYear(year);
69
70  // you can use also
71
72  //rtc.setTime(hours, minutes, seconds);
73
74  //rtc.setDate(day, month, year);
75}
76
77void loop()
78{
79
80  // Print date...
81
82  print2digits(rtc.getDay());
83
84  Serial.print("/");
85
86  print2digits(rtc.getMonth());
87
88  Serial.print("/");
89
90  print2digits(rtc.getYear());
91
92  Serial.print(" ");
93
94  // ...and time
95
96  print2digits(rtc.getHours());
97
98  Serial.print(":");
99
100  print2digits(rtc.getMinutes());
101
102  Serial.print(":");
103
104  print2digits(rtc.getSeconds());
105
106  Serial.println();
107
108  delay(1000);
109}
110
111void print2digits(int number) {
112
113  if (number < 10) {
114
115    Serial.print("0"); // print a 0 before if the number is < than 10
116
117  }
118
119  Serial.print(number);
120}