74 lines
2.1 KiB
Python
74 lines
2.1 KiB
Python
import array
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import time
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import board
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import pulseio
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from digitalio import DigitalInOut, Direction, Pull
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# pylint: disable=eval-used
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# Switch to select 'stealth-mode'
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switch = DigitalInOut(board.SLIDE_SWITCH)
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switch.direction = Direction.INPUT
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switch.pull = Pull.UP
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# Button to see output debug
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led = DigitalInOut(board.D13)
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led.direction = Direction.OUTPUT
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# Speaker as haptic feedback
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spkr_en = DigitalInOut(board.SPEAKER_ENABLE)
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spkr_en.direction = Direction.OUTPUT
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spkr_en.value = True
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spkr = DigitalInOut(board.SPEAKER)
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spkr.direction = Direction.OUTPUT
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# Allow any button to trigger activity!
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button_a = DigitalInOut(board.BUTTON_A)
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button_a.direction = Direction.INPUT
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button_a.pull = Pull.DOWN
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button_b = DigitalInOut(board.BUTTON_B)
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button_b.direction = Direction.INPUT
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button_b.pull = Pull.DOWN
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pwm = pulseio.PWMOut(board.REMOTEOUT, frequency=38000,
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duty_cycle=2 ** 15, variable_frequency=True)
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pulse = pulseio.PulseOut(pwm)
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while True:
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# Wait for button press!
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while not (button_a.value or button_b.value):
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pass
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time.sleep(0.5) # Give a half second before starting
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# gooooo!
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f = open("/codes.txt", "r")
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for line in f:
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code = eval(line)
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print(code)
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if switch.value:
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led.value = True
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else:
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spkr.value = True
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# If this is a repeating code, extract details
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try:
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repeat = code['repeat']
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delay = code['repeat_delay']
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except KeyError: # by default, repeat once only!
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repeat = 1
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delay = 0
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# The table holds the on/off pairs
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table = code['table']
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pulses = [] # store the pulses here
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# Read through each indexed element
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for i in code['index']:
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pulses += table[i] # and add to the list of pulses
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pulses.pop() # remove one final 'low' pulse
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pwm.frequency = code['freq']
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for i in range(repeat):
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pulse.send(array.array('H', pulses))
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time.sleep(delay)
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led.value = False
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spkr.value = False
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time.sleep(code['delay'])
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f.close()
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