mini2440开发板上完成的一个小项目，全部是基于裸机驱动的，不带操作系统。包括简单的音乐播放器，图片浏览器，闹钟，LED灯控制等模块。-A small project done mini2440 development board, all based on bare metal drive without operating system. Including simple music player, picture viewer, alarm clock, LED light contr