controller_rpi.py 文件源码

def prepare_pin(self, pin_id, in_out = GPIO.OUT):
        if pin_id is not None:
            GPIO.setup(pin_id, in_out) 
            new_pin = Controller.Mock()
            new_pin.pin_id = pin_id

            if in_out == GPIO.OUT:
                new_pin.low = lambda : GPIO.output(pin_id, GPIO.LOW)
                new_pin.high = lambda : GPIO.output(pin_id, GPIO.HIGH)
            else:
                new_pin.value = lambda : GPIO.input(pin_id)

            return new_pin