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Add a timeout setting for the alarm

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This commit is contained in:
Rhys Weatherley 2012-05-23 10:25:41 +10:00
parent 6e61524a0f
commit 054c59e3e8
1 changed files with 8 additions and 2 deletions
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10
libraries/RTC/examples/AlarmClock/AlarmClock.pde
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@ -25,6 +25,7 @@
#include <Form.h>
#include <Field.h>
#include <BoolField.h>
#include <IntField.h>
#include <SoftI2C.h>
#include <DS1307RTC.h>
#include <Melody.h>
@ -48,6 +49,7 @@
// Offsets of settings in the realtime clock's NVRAM.
#define SETTING_24HOUR 0 // 0: 12 hour, 1: 24 hour
#define SETTING_ALARM_TIMEOUT 1 // Timeout in minutes for the alarm
// Initialize the LCD
FreetronicsLCD lcd;
@ -75,6 +77,7 @@ SetAlarm alarm1(mainForm, "Alarm 1", 0);
SetAlarm alarm2(mainForm, "Alarm 2", 1);
SetAlarm alarm3(mainForm, "Alarm 3", 2);
SetAlarm alarm4(mainForm, "Alarm 4", 3);
IntField alarmTimeout(mainForm, "Alarm timeout", 2, 10, 1, 2, " minutes");
void setup() {
// Reduce power consumption on I/O pins we don't need.
@ -98,14 +101,14 @@ void setup() {
// Initialize the alarm melody.
alarmMelody.setMelody(alarmNotes, alarmLengths, sizeof(alarmLengths));
alarmMelody.setLoopDuration(120000UL);
//alarmMelody.play();
alarmMelody.stop(); // Force Timer2 to be disabled.
// Read the clock settings from the realtime clock's NVRAM.
is24HourClock = rtc.readByte(SETTING_24HOUR) != 0;
hourMode.setValue(is24HourClock);
frontScreen.set24HourMode(is24HourClock);
alarmTimeout.setValue(rtc.readByte(SETTING_ALARM_TIMEOUT));
alarmMelody.setLoopDuration(60000UL * alarmTimeout.value());
// Set the initial time and date and find the next alarm to be triggered.
RTCTime time;
@ -160,6 +163,9 @@ void loop() {
is24HourClock = hourMode.value();
frontScreen.set24HourMode(is24HourClock);
rtc.writeByte(SETTING_24HOUR, (byte)is24HourClock);
} else if (alarmTimeout.isCurrent()) {
rtc.writeByte(SETTING_ALARM_TIMEOUT, (byte)alarmTimeout.value());
alarmMelody.setLoopDuration(60000UL * alarmTimeout.value());
}
prevHour = 24; // Force an update of the main screen.
findNextAlarm(); // Update the time of the next alarm event.