【摘要】 设计以ARM9S3C2451为核心处理器的分布式多通道数据采集仪。针对典型自动气象站的实际应用,设计并实现了外接设备驱动、ARM数据处理模块、ZigBee组网、数据通讯模块、A/D采样电路。阐明了数据采集仪嵌入式系统软件设计过程。经过测试,该数据采集仪在实际自动气象站应用中工作稳定,各项性能均能满足要求。更多还原

【Abstract】 We design a distributed multi-channel data acquisition instrument with ARM9S3C2451 as the core processor.With its application in a typical automatic weather station,the external device drivers,the ARM data processing module,ZigBee networking,the data communication module and A/D sample circuit are designed and implemented.We also illustrate the software design process of the embedded system of the data acquisition instrument.Test results show that the instrument performs well in the actual application at the automatic weather station.更多还原