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                                            jhyetao

为何要用传感器条件来判断

while True: # 下降沿检测 if GPIO.event_detected(GPIOConfig.VOICE_SENSOR): GPIO.remove_event_detect(GPIOConfig.VOICE_SENSOR) handler.worker() GPIO.add_event_detect(GPIOConfig.VOICE_SENSOR, GPIO.FALLING) time.sleep(0.5) 上面代码，为何要用传感器条件来判断，直接循环执行handler.work()不行吗？