基于Xscale的掌上多媒体播放器设计

摘要

文章探讨了基于Xscale的便携式多媒体播放器的开发过程，涉及到嵌入式开发环境的搭建，嵌入式操作系统的选择及移植，以及驱动程序的编写和播放器软件的开发等内容。整个系统是在Sitsang开发板上完成的，选用了Linux操作系统，在Linux操作系统移植的基础上，进行了usb接口CF卡读卡器的驱动开发，还利用ipp库开发了MPEG4播放器。%This paper discussed the process of developing the Portable Media Player which is based on Xscale. It refers to the construction of the platform , the selection of the embedded operation system and the developing of the Player. The whole project was performed using Sitsang developing board, selecting the Linux OS, developing the program of usb about CF card, and developing the MPEG4 player.