说明：  本文介绍了嵌入式Linux 系统中USB 设备驱动程序开发的基本原理, 通过分析USB 驱动程序开发的程序框架和重要数据结构, 实现了USB 摄像头的嵌入式Linux 驱动程序, 并在S3C2410 的平台上实现了图像采集。
(This paper introduces embedded Linux system, USB device driver development of the basic principles, through the analysis of USB driver development process framework and an important data structure, the realization of a USB camera embedded Linux drivers, and S3C2410 platform to achieve the image acquisition.)