25 lines
No EOL
665 B
Python
25 lines
No EOL
665 B
Python
from machine import Pin, Timer
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import time
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led = Pin(25, Pin.OUT)
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btn_blu = Pin(2, Pin.IN, Pin.PULL_UP)
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btn_red = Pin(3, Pin.IN, Pin.PULL_UP)
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def user_interaction(timeout):
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def _toggle_leds(timer):
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led.toggle()
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tmr = Timer()
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tmr.init(freq=2, mode=Timer.PERIODIC, callback=_toggle_leds)
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startime = time.ticks_ms()
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timeout *= 1000
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while time.ticks_diff(time.ticks_ms(), startime) < timeout:
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b, r = btn_blu.value(), btn_red.value()
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if (b + r) < 2:
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tmr.deinit()
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return 'B' if not b else 'R'
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tmr.deinit()
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return 'T' # Timeout
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if __name__ == '__main__':
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print(user_interaction(20)) |