基于C51的U盘开发源代码！是从事移动硬盘开发者不可或缺的参考代码！-based on the U-C51 open source code! Engaged in the development of mobile hard drives were an indispensable reference code!

VB代码，对USB接口的C51编程软件的源代码，有USB下载器的朋友可参考源码自己编写自己的编程软件哦