stopwatch.py 文件源码

def main():
    try:    
        GPIO.setmode(GPIO.BCM)
        GPIO.setup(START_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP)
        root = tk.Tk()
        root.overrideredirect(True)
        width, height = root.winfo_screenwidth(), root.winfo_screenheight()
        root.geometry('{0}x{1}+0+0'.format(width, height))
        root.wm_title('Stoppuhr')
        stopwatch = Stopwatch(LOG_FILENAME)
        GPIO.add_event_detect(START_PIN, GPIO.FALLING, stopwatch.start)
        stopwatch_ui = StopwatchUI(root, stopwatch)
        stopwatch_ui.pack()
        root.mainloop()
    finally:
        GPIO.cleanup()