__init__.py 文件源码

def beep(self):
        if self.state is False:
            cbpi.app.logger.error("BUZZER not working")
            return

        def play(sound):
            try:
                for i in sound:
                    if (isinstance(i, str)):
                        if i == "H" and self.beep_level == "HIGH":
                            GPIO.output(int(self.gpio), GPIO.HIGH)
                        elif i == "H" and self.beep_level != "HIGH":
                            GPIO.output(int(self.gpio), GPIO.LOW)
                        elif i == "L" and self.beep_level == "HIGH":
                            GPIO.output(int(self.gpio), GPIO.LOW)
                        else:
                            GPIO.output(int(self.gpio), GPIO.HIGH)
                    else:
                        time.sleep(i)
            except Exception as e:
                pass

        start_new_thread(play, (self.sound,))