25 lines
554 B
Python
25 lines
554 B
Python
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from src.variables.service import get_variable, set_variable
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import RPi.GPIO as GPIO
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import datetime
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pin = 7
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GPIO.setmode(GPIO.BOARD)
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GPIO.setup(pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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set_variable("speed_reader_last_impulse_time", datetime.datetime.now(), False)
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def event(pin):
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actual = datetime.datetime.now()
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last = get_variable("speed_reader_last_impulse_time")
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difference = (actual - last).total_seconds()
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if difference != 0:
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return
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print(difference)
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GPIO.add_event_detect(pin, GPIO.RISING, callback=event)
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