In the de2 on the file system using niosii to achieve fat source code, the file...

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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.