Update alarm clock to support DS3232

libraries/RTC/examples/AlarmClock/AlarmClock.pde

@@ -27,10 +27,11 @@
 #include <BoolField.h>
 #include <IntField.h>
 #include <SoftI2C.h>
-#include <DS1307RTC.h>
+#include <RTC.h>
 #include <Melody.h>
 #include <PowerSave.h>
 #include <avr/power.h>
+#include "Clock.h"
 #include "FrontScreen.h"
 #include "SetAlarm.h"
 #include "SetTime.h"
@@ -59,7 +60,7 @@ LCD lcd;
 
 // Activate the realtime clock chip.
 SoftI2C bus(RTC_DATA, RTC_CLOCK);
-DS1307RTC rtc(bus, RTC_ONE_HZ);
+Clock rtc(bus, RTC_ONE_HZ);
 
 // Melody to play when the alarm sounds.
 int defaultMelodyNotes[5] = {NOTE_C6, NOTE_C6, NOTE_C6, NOTE_C6, NOTE_REST};

libraries/RTC/examples/AlarmClock/Clock.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2012 Southern Storm Software, Pty Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef Clock_h
+#define Clock_h
+
+#include <DS1307RTC.h>
+#include <DS3232RTC.h>
+
+// Select the specific type of realtime clock chip to use.
+typedef DS1307RTC Clock;
+//typedef DS3232RTC Clock;
+
+extern Clock rtc;
+
+#endif

libraries/RTC/examples/AlarmClock/SetAlarm.cpp

@@ -21,9 +21,7 @@
  */
 
 #include "SetAlarm.h"
-#include <DS1307RTC.h>
-
-extern DS1307RTC rtc;
+#include "Clock.h"
 
 SetAlarm::SetAlarm(Form &form, const String &label, uint8_t alarmNum)
     : EditTime(form, label)

libraries/RTC/examples/AlarmClock/SetDate.cpp

@@ -21,14 +21,12 @@
  */
 
 #include "SetDate.h"
-#include <DS1307RTC.h>
+#include "Clock.h"
 
 #define EDIT_DAY    0
 #define EDIT_MONTH  1
 #define EDIT_YEAR   2
 
-extern DS1307RTC rtc;
-
 SetDate::SetDate(Form &form, const String &label)
     : Field(form, label)
     , editField(EDIT_DAY)

libraries/RTC/examples/AlarmClock/SetTime.cpp

@@ -21,9 +21,7 @@
  */
 
 #include "SetTime.h"
-#include <DS1307RTC.h>
-
-extern DS1307RTC rtc;
+#include "Clock.h"
 
 SetTime::SetTime(Form &form, const String &label)
     : EditTime(form, label)