在de2上用niosii实现fat文件系统源代码，可以实现文件的读写操作，介质为sd卡。-In the de2 on the file system using niosii to achieve fat source code, the file read and write operations can be achieved, the medium for the sd card.

DE2光盘资料，请把 part1-part3全下载下来，然后放到一起解压，文件太大，谅解！-DE2 CD-ROM, please download part1-part3 all down, and then put together with decompression, file is too large, understanding!

DE2光盘资料，请把 part1-part3全下载下来，然后放到一起解压，文件太大，-DE2 CD-ROM, please download part1-part3 all down, and then put together with decompression, file is too large,