TestExcel

格雷码转换,可以在十进制、二进制、格雷码之间任意转换。(Gray code conversion)

STM32 USB HOST Library

此项代码的功能可以提供保存文本的作用，此外还可以对文件进行一定的修改。 (save txt file)

speex源码文件，只能一个文件上传，不能目录上传？(Speex source files, can only upload a file, can t upload directory?)

Xiangtan City housing provident fund management center

界面开发差件 可以开发出一个界面delhpi()

实现指定路径下的所有文件词频统计，基于命令行的。文件包括cpp和release版的exe(The achievement of designated trails of all documents under the frequency statistics, based on the command line. Documents include cpp and release version of the exe)

让电脑中的全部文件，瞬间隐藏起来。可以保护电脑安全，其中调用了AIP函数，也有参考意义。(Let the computer all the files, and instantly hidden. To protect computer security, which calls the AIP function, but also reference value.)

说明：  文件维护应用程序（包括文件的拷贝，改名，删除等）(file maintenance applications (including copy paper, renamed, deleted, etc.))

利用c语言读取和写入excel，代码简单易懂，可以让你很容易学会(Using c language written excel, simple and easy to understand code that allows you to easily learn)