FAT32文件系统资料,适合做USB接口开发的人参考-FAT32 file system information, suitable USB interface make the development of reference person

带HOST功能的USB，FAT32文件系统，可以播放U盘里的歌曲文件。-HOST function with USB, FAT32 file system, can play the song U disk in the file.

SD卡带文件系统fat32的读写,包括底层驱动和串口通信，西西软件-SD cassette fat32 file system to read and write, including the underlying drivers and serial communications, Sissy Software