| WinCE环境下指纹识别设备驱动的设计和实现 |
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| 引用本文： | 曹瑾亮,张有光,周亮. WinCE环境下指纹识别设备驱动的设计和实现[J]. 电子测量技术, 2007, 30(8): 137-140 |
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| 作者姓名： | 曹瑾亮 张有光 周亮 |
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| 作者单位： | 北京航空航天大学电子信息工程学院,北京,100083;北京航空航天大学电子信息工程学院,北京,100083;北京航空航天大学电子信息工程学院,北京,100083 |
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| 摘 要： | 嵌入式系统以其自身的特点,能够满足指纹识别设备对可靠性、成本、体积、功耗等各方面的要求,具有广阔的应用前景.本文主要研究刮擦式指纹传感器AES2510在WinCE嵌入式系统上的驱动设计.描述了该驱动程序体系结构的组织,介绍了传感器驱动功能的实现.采取乒乓缓冲区(ping-pong buffer)进行DMA方式接收数据,并同时执行指纹图像数据预处理,利用并行工作的特点,达到提高驱动程序运行效率的目的.
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| 关 键 词： | 刮擦式指纹传感器 WinCE流驱动程序 乒乓缓冲区 |
Design and implementation of fingerprint recognition device driver in WinCE |
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| Cao Jinliang,Zhang Youguang,Zhou Liang. Design and implementation of fingerprint recognition device driver in WinCE[J]. Electronic Measurement Technology, 2007, 30(8): 137-140 |
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| Authors: | Cao Jinliang Zhang Youguang Zhou Liang |
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| Affiliation: | School of Electronics and Information Engineering,Beihang University,Beijing 100083 |
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| Abstract: | The embedded system is efficacious in the field of fingerprint recognition device for its reliability,less cost,less volume and low power.The paper introduces the design of the WinCE driver of slice fingerprint sensor AES2510.The structure of the program and the implementation of the functions of the driver are described.Ping-pong buffer is used in the process of DMA transfer,and meanwhile the fingerprint image data pre-processing is adopted.With the parallel working,the driver's efficiency is improved. |
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| Keywords: | slice fingerprint sensor WinCE stream interface driver ping-pong buffer |
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