inputs.py 文件源码

def __init__(self, button_pin=12):
        self.button_pin = button_pin
        GPIO.setmode(GPIO.BOARD)       # Numbers GPIOs by physical location
        GPIO.setup(button_pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)    # Set button_pin's mode is input, and pull up to high level(3.3V)
        pass