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中文摘要：
研究开发了嵌入式智能仪器的触摸屏接口；分析了电阻式触摸屏的工作原理；设计了触摸屏与微处理器的接口电路；开发了嵌入式Linux框架下的触摸屏设备驱动程序；阐述了采用触摸屏作为输入的MiniGUI应用程序的编写方法。设计的触摸屏接口已成功应用在故障诊断仪器产品上，增强了仪器的人机交互功能，方便了现场操作人员使用。
英文摘要：
A touch screen interface for the intelligent instrument was developed. The working principle of resistive touch screen was introduced. The device driver of the touch screen was designed under the frame of embedded Linux. The method of programming MiniGUI application was explained. The designed touch screen interface improves the instrument performance, and it is convenient of operate. The developed touch screen interface has been successfully applied in some instruments for fault diagnosis.
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