78 lines
2.1 KiB
Python
78 lines
2.1 KiB
Python
import alarm
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import board
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import time
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import digitalio
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import neopixel
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## WAKING PINS - uncomment appropriate pin per microcontroller
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wake_pin = board.X1 # STM32F4 Pyboard
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# wake_pin = board.GP0 # RP2040 Pico
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# wake_pin = board.A4 # NRF52840 Feather
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# wake_pin = board.IO5 # ESP32-S2 Saola
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## LED - use on RP2040 Pico, STM32F4 Pyboard
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## PinAlarms blink 1x, TimeAlarms 2x, Startup 3x
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led_pin = board.LED
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led = digitalio.DigitalInOut(led_pin)
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led.direction = digitalio.Direction.OUTPUT
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def blink(num_blinks):
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for i in range(num_blinks):
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led.value = True
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time.sleep(0.2)
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led.value = False
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time.sleep(0.2)
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def show_timealarm():
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blink(2)
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def show_pinalarm():
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blink(1)
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def show_noalarm():
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blink(3)
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## Comment out above if using Neopixel
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## NEOPIXEL - use on Circuitplayground Bluefruit, ESP32-S2 Saola
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## TimeAlarms are red, PinAlarms are blue, Default is white
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# np = neopixel.NeoPixel(board.NEOPIXEL, 1)
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# def show_timealarm():
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# np[0] = (50, 0, 0)
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# time.sleep(1)
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# np[0] = (0, 0, 0)
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# def show_pinalarm():
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# np[0] = (0, 0, 50)
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# time.sleep(1)
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# np[0] = (0, 0, 0)
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# def show_noalarm():
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# np[0] = (50, 50, 50)
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# time.sleep(1)
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# np[0] = (0, 0, 0)
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## Comment out above if using LED
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## PinAlarm only needs to be set once
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pin_alarm = alarm.pin.PinAlarm(pin=wake_pin, value=False, edge=True, pull=True) # STM32, RP2040
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# pin_alarm = alarm.pin.PinAlarm(pin=wake_pin, value=False, edge=False, pull=True) # NRF, ESP32-S2, RP2040
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while True:
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## TimeAlarms must be reset each time you sleep, since they use monotonic time
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time_alarm = alarm.time.TimeAlarm(monotonic_time=time.monotonic() + 10)
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ret_alarm = alarm.light_sleep_until_alarms(pin_alarm, time_alarm)
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print("Returned alarm vs global alarm:") # These should be the same
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print(ret_alarm)
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print(alarm.wake_alarm)
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if isinstance(ret_alarm, alarm.time.TimeAlarm):
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show_timealarm()
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elif isinstance(ret_alarm, alarm.pin.PinAlarm):
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show_pinalarm()
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else:
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show_noalarm()
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