| 基于嵌入式LINUX的USB视频采集模块的驱动开发 |
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| 引用本文： | 荣佳,贺良华.基于嵌入式LINUX的USB视频采集模块的驱动开发[J].计算机与数字工程,2009,37(2):164-167. |
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| 作者姓名： | 荣佳 贺良华 |
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| 作者单位： | 中国地质大学机电学院,武汉,430074 |
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| 摘 要： | 针对为远端提供视频服务的嵌入式系统，给出了一种嵌入式Linux平台下的USB视频采集驱动的开发方法。在介绍一般USB设备驱动程序开发的流程和方法的基础上，详细阐述了Linux操作系统下利用Video for Linux（V4L）标准API开发USB视频采集驱动的流程，给出了视频设备打开、初始化、关闭以及视频数据捕捉等关键步骤的程序设计，并提出了针对V4L标准API的优化设计方法。
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| 关 键 词： | 嵌入式Linux USB设备驱动 视频采集 V4L |
Driver Development of USB Video Data Acquisition Based on Embedded Linux |
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| Rong Jia,He Lianghua.Driver Development of USB Video Data Acquisition Based on Embedded Linux[J].Computer and Digital Engineering,2009,37(2):164-167. |
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| Authors: | Rong Jia He Lianghua |
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| Affiliation: | Department of Mechanical and Electronic Engineering;China University of Geosciences;Wuhan 430074 |
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| Abstract: | For an embedded system of remote video service,driver development of USB video data acquisition based on embedded Linux is described.This paper gives common flow and method of USB device drivers,the flow of driver development of USB video data acquisition which use the standard of V4L API on the Linux OS and the program design of the important steps are introduced in detail. |
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| Keywords: | V4L |
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