| With the rapid new development of network and communication technology, and the popularization of mobile communication , remote control technology for home hold electronics used home hold electronic appliances was matured. Based on the GSM Short Message Service , this item on remote control home hold electronic appliances was put forward.Using the SMS data transmission function of the GSM modul , remote control of home hold electronic appliances was put forward in this thesis. Based on the GSM protocol, the item realized the submit/dispatch and code/decode of Chinese SMS . Discussed the method of coding/decoding Chinese SMS on embedded system.Using the second serial port of the controller to connect the RS-485 network, the fuction of the system was extended. With the RS-485 bus and the M2M technique, the smart home hold appliances and the moduls were connected and formed the homehold-control network. All kinds of moduls can be seamlessly connected into the network, so that the cost was reduced and the system can be easily maintained. The opened 4-layer structure data exchange model was put forward on base of analyzing other net data exchange protocol in order to ensure the reliable communication . By the means of the device describe information , devices of the control network were well managed so that can plug and play . The functions of the control network devices and the interior commands were standardized.The card of home control which used to transfer control data, decode SMS data and the two port serial communication were designed in this item. Designed drive applications to operate the SMS , thus the control system can be easily operated. The interface of 1-wire bus and I~2C bus were also designed. Designed the air conditioner control modul based on sensors to check the air conditioner , so that energy was saved. Designed self learning infrared telecontroller which can be used to substitute the original telecontroller. |
