buttons.py 文件源码

def main():
    button_enter = Button(PIN_ENTER)
    button_enter.when_pressed = btn_enter

    button_esc = Button(PIN_ESC)
    button_esc.when_pressed = btn_esc

    button_up = Button(PIN_UP)
    button_up.when_pressed = btn_up

    button_down = Button(PIN_DOWN)
    button_down.when_pressed = btn_down

    button_left = Button(PIN_LEFT)
    button_left.when_pressed = btn_left

    button_right = Button(PIN_RIGHT)
    button_right.when_pressed = btn_right

    pause()