这是一个SD卡的FAT文件系统的实现，该版本时针对周立功的LM3S8962开发板的，可以修改里边相应管脚的设置应用到其他的板子上；该程序也能在51单片机上成功运行。-This is an SD card FAT file system implementation, the version developed for Zhou, who' s LM3S8962 board, you can modify the settings inside the corresponding pins on the board applied to the other　the program can run successfully on the 51 single.