added new example on Alarms and modified SimpleRTC

Author: agdl

Diff for: examples/SimpleRTC/SimpleRTC.ino

@@ -7,6 +7,8 @@
 
  http://arduino.cc/en/Tutorial/SimpleRTC
 
+  created by Arturo Guadalupi <[email protected]>
+  15 Jun 2015
 */
 
 #include <RTCZero.h>

Diff for: examples/SimpleRTCAlarm/SimpleRTCAlarm.ino

@@ -0,0 +1,52 @@
+/*
+  Simple RTC Alarm for Arduino Zero
+
+  Demonstrates the use of alarms using the RTC library for the Arduino Zero
+
+  This example code is in the public domain
+
+  http://arduino.cc/en/Tutorial/SimpleRTCAlarm
+
+  created by Arturo Guadalupi <[email protected]>
+  25 Sept 2015
+*/
+
+#include <RTCZero.h>
+
+/* Create an rtc object */
+RTCZero rtc;
+
+/* Change these values to set the current initial time */
+const uint8_t seconds = 0;
+const uint8_t minutes = 0;
+const uint8_t hours = 17;
+
+/* Change these values to set the current initial date */
+const uint8_t day = 25;
+const uint8_t month = 9;
+const uint8_t year = 15;
+
+void setup()
+{
+  Serial.begin(9600);
+
+  rtc.begin(H24); // initialize RTC 24H format. The dual option is H12
+
+  rtc.setTime(hours, minutes, seconds);
+  rtc.setDate(day, month, year);
+
+  rtc.setAlarmTime(16, 0, 10);
+  rtc.enableAlarm(rtc.MATCH_HHMMSS);
+  
+  rtc.attachInterrupt(alarmMatch);
+}
+
+void loop()
+{
+
+}
+
+void alarmMatch()
+{
+  Serial.println("Alarm Match!");
+}