FatFs是一个通用的文件系统模块，以小的嵌入式系统的FAT文件系统。 FatFs的编程遵守的ANSI C格式语法标准，因此它是具有独立于硬件架构。可用于PIC, AVR, SH, Z80, H8, ARM-FatFs is a generic file system module to implement the FAT file system to small embedded systems. The FatFs is written in compliance with ANSI C,