基于微处理器的无线传感器节点的设计

本文描述了一种无线传感器网络节点的硬件平台组成，分别对负责无线收发功能实现
的射频芯片、负责数据采集的传感器模块、负责整体上工作的微处理器进行了描述，对和CC2420 与EM78815 微处理器的硬件接口进行了设计；然后介绍了本无线传感器网络系统整体软件体系结构与设计，主要包括软件总体架构、硬件驱动层设计和操作系统层设计。
关键字: 无线传感器网络；射频芯片；微处理器；驱动
Design of a Wireless Sensor Network Node based on the Microprocessor
LI Yuxian (Xi'an Institute of Telecommunications, Shanxi Xi’an 710061)
Abstract: The hardware structure of a wireless sensor network is represented in this paper. The RF chip, which is responsible to implement the transmitting/receiving function, the sensor module, which is used to sample the data, the CPU are introduced and the hardware interface between CC2420 and EM 78815 is designed in detail. The software structure is referred, including the frame structure, hardware drive designing and operating system designing.
Keywords: Wireless Sensor Network; RF Chip; Microprocessor; Driver