GPIOInteraction.py 文件源码

def __init__(self):
        self.button_callback = None
        self.button_held_callback = None
        self.reset_callback = None
        self.pressed_at = None
        self.time_to_hold = 1
        self.time_to_reset = 5

        GPIO.setmode(GPIO.BCM)
        GPIO.setup(18, GPIO.IN, pull_up_down=GPIO.PUD_UP)
        GPIO.add_event_detect(18, GPIO.BOTH, callback=self.button_state_changed,bouncetime=200)