利用C语言开发图形界面的例程，使用前先察看包里的help.txt-use of C language development graphical interface routines, the use of the former first look at the bag help.txt

压缩包里是几篇比较经典的介绍USB CY7C68013芯片的文档，直接下载，省去一篇篇下载的麻烦了。希望对大家做USB开发有帮助作用。-Compression bag a few more classic introductory USB CY7C68013 chip documentation, direct download, eliminating the need for a chapter download trouble. I hope we do USB development h