介绍了一种基于ARM和GPRS技术的无线自动抄表系统的设计方案,该系统将Atmel AT91SAM9260工业级处理器和ARM Cortex M3处理器分别作为集中器和采集器的核心处理器,以嵌入式μC/OS-Ⅱ实时系统作为软件开发平台,上行通道采用GPRS无线通信方式,下行通道采用RS-485串口和电力载波传输数据,该系统具有成本低、传输速度快、可靠性高、实时性好的优点,较好地满足了远程自动抄表的要求,具有较高的实用价值.%A wireless automatic meter reading system based on ARM and GPRS technology is designed. This system uses Atmel AT91SAM9260 and ARM Cortex M3 as the main processors of the concentrator and collector, and uses μC/OS-II as the software development platform. Upstream uses GPRS wireless communication, downlink channel uses RS-485 and power line carrier to transfer data. This system has many benefits such as low-cost, fast transmission speed, high reliability and real-time, meets the requirement in automatic meter reading system well. It has a high practical application value.
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