Aimed at the need of near field communication and lightweight portable,a new type of portable terminal is designed.The hardware platform takes ARM9 processor S3C2440 as core and the software platform takes embedded Linux operating system as core.Additionally,the software of Qt is used to develop the application program.ARM communicates with the data acquisition device by two kinds of communication mode-the WiFi module and the USB interface.It can realize the functions of parameter setting,parameter reading,data acquisition and storage and data display.The results of experimental verification show that the system has good stability and reliability.%针对近距离无线控制和轻小便携的需求,设计了一种新型的手持控制终端.采用以ARM9处理器S3C2440为核心的硬件平台和以Linux系统为核心的软件平台,在此基础上采用Qt技术开发控制界面的应用程序.通过WiFi模块和USB实现了ARM与数据采集设备的两种通信方式,具有参数设置、参数回读、数据采集和存储及数据显示的功能.经实验证明,系统具有良好的可靠性和稳定性.
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