// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// checks the state of the button
void checkButton(eventState_t state)
{
// ignore any button presses after waking up
if (_wakingUp)
return;
// check switch pin
if ((SWITCH_PINS & (1<<SWITCH_PIN)) != 0)
{
// enable switch interrupt
SWITCH_PCMSK |= (1<<SWITCH_PCINT);
return;
}
// shutdown the CPU and all effects
sfx_off();
// shutoff the LEDs
dbg_led_off();
serial_led_off();
play_led_off();
twi_led_off();
// enable button interrupt which will wake us back up
SWITCH_PCMSK |= (1<<SWITCH_PCINT);
_wakingUp = 1;
switch_en();
// go to sleep
sleep_cpu();
//
registerOneShot(enableButton, 8000, EVENT_STATE_NONE);
// wake back up
sfx_on();
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// main func
int main(void)
{
init();
// run as fast as possible
registerHighPriorityEvent(ledPWMHandler, 0, 0);
// move to the next sleepy-eye value
registerEvent(nextSleepyEyeHandler, SAMPLE_RATE / 4, 0);
// slide-up/slide-down to current sleepy-eye value
registerEvent(slideToSleepyEyeHandler, SAMPLE_RATE / 100, 0);
// subscribe to a time-based ACD sampling
registerHighPriorityEvent(adcSampleHandler, SAMPLE_RATE / 50, 0);
registerOneShot(ampOnHandler, SAMPLE_RATE, 0);
// main program loop
while(1)
{
eventsDoEvents();
}
}
