：分析了采用PC 机作为监控设备的缺陷，采用基于ARM 的无线传感器数据采集器的必要性。重点完成

了无线数据采集器电路设计和驱动程序设计。ARM9 通过SPI 总线进行数据的传输和相应的I/O 对CC2420 控制

根据Windows CE 的驱动模型，利用流式设备驱动程序来驱动CC2420，实现粮仓温湿度采集的要求。-: Analysis using the PC as a monitoring device defects, the use of ARM-based wireless sensor data acquisition need. Focusing on the completion of the wireless data acquisition circuit design and driver design. ARM9 through the SPI bus for data transmission and the corresponding I/O control of the CC2420 driver model based on Windows CE, the use of streaming device driver to drive the CC2420, barn temperature and humidity to achieve collection requirements.