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Reduce power consumption

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This commit is contained in:
Rhys Weatherley
2012-05-21 10:01:43 +10:00
parent 9eeb91b173
commit e627f5642f
6 changed files with 231 additions and 4 deletions
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21
libraries/RTC/examples/AlarmClock/AlarmClock.pde
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@@ -28,6 +28,7 @@
#include <SoftI2C.h>
#include <DS1307RTC.h>
#include <Melody.h>
#include <PowerSave.h>
#include "FrontScreen.h"
#include "EditTime.h"
@@ -68,6 +69,15 @@ EditTime alarm3(mainForm, "Alarm 3");
EditTime alarm4(mainForm, "Alarm 4");
void setup() {
// Reduce power consumption on I/O pins we don't need.
unusedPin(A2);
unusedPin(0);
unusedPin(1);
unusedPin(2);
unusedPin(10);
unusedPin(11);
unusedPin(13);
// Enable the screen saver.
lcd.setScreenSaverMode(FreetronicsLCD::BacklightOnSelect);
lcd.enableScreenSaver(3);
@@ -128,7 +138,12 @@ void loop() {
}
// If the alarm is playing and a button was pressed, then turn it off.
if (event != LCD_BUTTON_NONE)
alarmMelody.stop();
alarmMelody.run();
if (alarmMelody.isPlaying()) {
if (event != LCD_BUTTON_NONE)
alarmMelody.stop();
alarmMelody.run();
} else {
// No alarm playing, so put the device to sleep to save power.
sleepFor(SLEEP_15_MS);
}
}