refresh-beeper/code.py at main · wersimmon/refresh-beeper · GitHub

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import board
import digitalio
import time
import alarm

BEEP_SHORT = 0.05
BEEP_LONG = 0.1
CYCLE_TIME = 10

buzzer = digitalio.DigitalInOut(board.GP0)
buzzer.direction = digitalio.Direction.OUTPUT

button_alarm = alarm.pin.PinAlarm(pin=board.GP1, value=False, pull=True)

if (
    alarm.wake_alarm is None or isinstance(alarm.wake_alarm, alarm.time.TimeAlarm)
):
    # Beep
    buzzer.value = True
    time.sleep(BEEP_LONG)
    buzzer.value = False

    time_alarm = alarm.time.TimeAlarm(monotonic_time=time.monotonic() + CYCLE_TIME)
    alarm.exit_and_deep_sleep_until_alarms(time_alarm, button_alarm)
elif (
    isinstance(alarm.wake_alarm, alarm.time.PinAlarm) and alarm.sleep_memory[0] == False
):
    # "ON" chirp
    buzzer.value = True
    time.sleep(BEEP_SHORT)
    buzzer.value = False
    time.sleep(BEEP_SHORT)
    buzzer.value = True
    time.sleep(BEEP_SHORT)
    buzzer.value = False

    alarm.sleep_memory[0] = True
    time_alarm = alarm.time.TimeAlarm(monotonic_time=time.monotonic() + CYCLE_TIME)
    alarm.exit_and_deep_sleep_until_alarms(time_alarm, button_alarm)
elif (
    isinstance(alarm.wake_alarm, alarm.time.PinAlarm) and alarm.sleep_memory[0] == True
):
    # "OFF" chirp
    buzzer.value = True
    time.sleep(BEEP_SHORT)
    buzzer.value = False
    time.sleep(BEEP_SHORT)
    buzzer.value = True
    time.sleep(BEEP_SHORT)
    buzzer.value = False
    time.sleep(BEEP_SHORT)
    buzzer.value = True
    time.sleep(BEEP_SHORT)
    buzzer.value = False

    alarm.sleep_memory[0] = False
    alarm.exit_and_deep_sleep_until_alarms(button_alarm)