ui.py 文件源码

def start():
    """  start running the ui. GPIO must only be loaded when it is stared, as the library is not available on the
         build computer.
    """
    from RPi import GPIO
    GPIO.setwarnings(False)
    GPIO.setmode(GPIO.BOARD)  # use pin numbers as written on the board

    main_led.start()
    button_led.start()
    display.start()
    button.start()

    CallState.add_listener(on_call_state_change)

    main_led.queue(Startup())
    button_led.queue(StartupButton())
    display.show(10, 'Telewall')