基于无线传感器网络的生物信号测量系统的研究

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1、3.3.1GPRS通信模块MC39i介绍·······················································39 3.3.2MC39i模块电路设计···································································393.4生物信号测量模块设计·····································································413.4.1脉搏测量子模块设计········

2、···························································41 3.4.2心电测量子模块设计···································································45 3.4.3呼吸采集子模块设计···································································463.5本章小结·································

3、···························································49 第4章无线传感器网络节点的软件平台设计············································504.1嵌入式Linux操作系统的实现··························································504.1.1嵌入式Linux的结构特征··············································

4、·············50 4.1.2BootLoader引导程序··································································53 4.1.3Linux内核结构·············································································54 4.1.4Linux开发环境的建立······················································

5、···········55 4.1.5Linux文件系统的移植·································································574.2射频模块软件设计·············································································574.2.1基于ZigBee协议的CC2420驱动设计······································584.2.2CC2420主程序设

6、计·····································································65 4.2.3射频通信功能的实现···································································674.3GPRS模块软件设计···········································································714.3.1GPRS模块初始化·········

7、·······························································73 4.3.2PPP拨号接入GPRS网络····························································744.3.3Linux上透明传输的实现·····························································754.4本章小结···································

8、·························································78结论························································