| 虚拟设备驱动程序及其在视频采集卡中的应用 |
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| 引用本文： | 田志刚,陈桂林.虚拟设备驱动程序及其在视频采集卡中的应用[J].光学精密工程,1999,7(4):119-123. |
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| 作者姓名： | 田志刚 陈桂林 |
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| 作者单位： | 中科院上海技术物理研究所,上海,200083 |
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| 摘 要： | Windows95作为运行于32位保护模式下的操作系统,为保证系统的安全,通过屏蔽底层操作的方式将最终用户与硬件隔离开。本文结合视频采集卡的设计实例详细论述了基于Windows95平台的实时硬件控制的解决方案——虚拟设备驱动程序的基本原理和设计方法及其与Win32应用程序的接口。
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| 关 键 词： | VxD 特权级 Win32 Windows95 视频处理 |
| 收稿时间： | 1999-05-04 |
| 修稿时间： | 1999-05-17 |
Virtual Device Driver and Its Application in Video Acquisition Card |
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| TIAN Zhi-Gang,CHEN Gui-Lin.Virtual Device Driver and Its Application in Video Acquisition Card[J].Optics and Precision Engineering,1999,7(4):119-123. |
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| Authors: | TIAN Zhi-Gang CHEN Gui-Lin |
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| Affiliation: | Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083 |
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| Abstract: | Windows95, as an operating system running under 32 bit protection mode, separates hardware from end users through the way of mask in order to keep the system safe. Giving an example of video acquisition card, this paper describes the basic principles and the scheme of virtual device driver which is the solution of real time hardware control in detail. And its interfaces to Win32 applications are also introduced. |
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| Keywords: | VxD Win32 Windows95 |
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