实现了简单的mp3格式文件的所向播放功能 有做播放器的朋友希望大家互相交流一下 我是初学者正在做嵌入式内核移植等工作请多指教.-The realization of a simple format of the mp3 player has done to the player a friend hope we can exchange ideas what I is for beginners are doing the work of embedded cores transplan