说明：  51+ch375读写U盘超精简原程序 这个程序用180行C代码就能够读取FAT16文件系统U盘的根目录,可以看到根目录下的文件 名,并可显示
(51 ch375 U-writable disc-the original procedures to streamline the process with 180 OK C code can be read on FA T16 U disk file system root directory, we can see the root directory under the file name would show)