【摘要】 通过总结无线传感器网络硬件节点的设计原则,提出了一种无线传感器网络通用节点设备的基本构架,设计实现了基于超低功耗处理器Atmega128和射频芯片CC2420的无线传感器网络节点设备。该设备具有能量自检测功能,并可以改变通用硬件接口上的数据采集部分实现多种不同类型的应用。采用模块化软件设计,引入有限状态机进行系统模式调度,设计实现了既能独立运行又支持嵌入式操作系统的节点适应层软件。通过引入多个节点的温度采集与反馈控制实验和节点生命周期静态测试实验验证了本设计的可行性和实用性。更多还原

【Abstract】 A fundmental structure of the universal wireless sensor network node device was proposed in this paper by summarizing the principle of the wireless sensor network node.And a wireless sensor network node device was implemented based on the ultralow power comsumption processor Atmega128 and the radio frequency chip CC2420.This node device could do power monioring itself.It also could be used in many condition by exchange the data collection circuit which was connected to the universal hardware interface.Software modularization design was used in this paper and finit state machine was used to finish the system mode scheduling.An adapt-layer software was designed and implemented,which could both run by itself and by the embeded operating system.The technical feasibility of this design and the availability of the device were also verified in this paper by the multinode temperature collect and feedback control tests and the static life cycle test of this device.更多还原