在嵌入式操作系统中, 通常都是使用Flash作为主要的存储介质, 为了方便以后用户程序升级, 提高Flash使用寿命, 通常要在Flash 上建立TFFS文件系统, 建立文件系统后, 我们可以在Flash 上进行拷贝、删除和建立等操作。-In the embedded operating system, usually using Flash as the main storage medium, for the convenience of the user program after the upgrade, improve Flash life, usually to create a TFFS Flash file system, a file system, we can on the Flash copy, delete, and create such an operation.