①增加、设置、删除“点”。 ②读、写“点”。 ③配置MQTT信息。 ④升级传感器。 这些操作，都是通过RPC接口跟后台程序（控制中心）进行交互，它不直接操作硬件。 ①通过RPC接口更后台程序（控制中心）进行交互：获得MQTT信息、获得点的信息、读写点。

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