jarmilka.py 文件源码

def setup_gpio():
    """
    Setup GPIO pins on which LEDs and button switch are connected.
    """
    GPIO.setmode(GPIO.BCM)
    GPIO.setwarnings(False)

    # led output
    GPIO.setup(LED_1_PIN, GPIO.OUT)
    GPIO.setup(LED_2_PIN, GPIO.OUT)
    GPIO.setup(LED_BUTTON_PIN, GPIO.OUT)

    # button input
    GPIO.setup(BUTTON_PIN, GPIO.IN, GPIO.PUD_UP)

    # switch leds off
    reset_led()