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文中详细介绍了星型无线传感器网络的拓扑结构,并给出了由温度传感器DS18B20、单片机AT89LV51和PTR8000组成的传感器节点硬件平台和由嵌入式通用处理器S3C2410、单片机AT89LV51和无线模块PTR8000组成的汇聚节点硬件平台;在软件系统的设计上,根据具体的网络拓扑结构和硬件平台,设计了传感器节点与汇聚节点之间串行无线通信协议及汇聚节点内部主从微处理器之间串行通信协议,详细阐述了数据在系统中的流动过程及传感器节点和汇聚节点软件系统的设计。
In this paper, the topology of the star wireless sensor network is introduced in detail, and the sensor node hardware platform consisting of temperature sensor DS18B20, single chip AT89LV51 and PTR8000, and the convergence consisting of embedded general processor S3C2410, single chip AT89LV51 and wireless module PTR8000 Node hardware platform. According to the specific network topology and hardware platform, the design of serial communication protocol between sensor node and sink node and master-slave microprocessor in sink node is designed in software system , Elaborated the flow of the data in the system and the design of sensor node and sink node software system.