The Research Of Home Information System Based On Embedded Linux System

Smart home network is a "3C" system concentrating of families automation, computers, communications technology ,it realizes the home centralized control of information appliance, remote survey and control, and the exchange of information and communications between equipments . If we take the research of Home Gateway as a breakthrough to the Smart home system, it will be possible in future to occupy the commanding height of competition, and make good economic and social benefits. The Smart Home system that the paper has reseaeched takes a practical project as a background and bases on the network .The Home Gateway is the focus of the paper, it is the core of the smart home information systems and information management system for home appliances, and the most critical component of facilities controller.The paper fully takes account of the status of home informationization and the demand such as high-speed multimedia transmission of information, put forward to adopting IEEE1394 standard to composit the main home network for the severces like multimedia at high-speed transmission of information;On the same time,the paper takes into account the needs of interconnection, centralized control, remote survey and control, low-cost and the flexibility of all appliances within the home (such as air conditioning, refrigerators, even lighting control equipment),and designs the totel structure of the home network with the wireless Bluetooth technology to realize mini network that join to the main network.The core of system's hardware used the development board S3C2410X on which it expanses some functional modules;the operating systems is S3C2410X Mizi Linux system, and the paper has given its translation process.As for the weak of real-time Linux,the paper has proposed a solution of double core with RTAI+Mizi Linux.As well the paper has achieved an embedded Linux reductions, and an embedded transplant.The paper thoroughly analyzed IEEE1394 interface standard and wireless Bluetooth network technology and their wider application in the future.Finally, the paper has specifilly researched the wireless control to primary network, and transplanted the BlueZ of Bluetooth agreement to the S3C2410 board , as well as simulated the connection and communation between the Bluetooth modules and the mobile phone network.