本人原创文章，曾发表于看学论坛精华区。 本文描述如何用OLLYDBG分析HID-USB协议的发方法，读者可以举一反三。-Original article I had published in the Forum to see the essence of the district. This article describes how to use analysis OLLYDBG agreement HID-USB-fat approach, readers can learn by an

USB-based Analog and Digital I/O Module.

看了许多USB协议，感觉有些概念讲得比较模糊，这里是我对USB协议理解而做出的部分总结，希望对初学者有帮助。-Saw many USB protocol, I feel some concepts stood out fuzzy, here is my understanding of the USB protocol and made part of the summary of hope for beginners.

我在做usb上位机驱动过程中做的笔记VC6+DDK_xp+DS3.2-I was doing usb PC notes made during driving VC6+DDK_xp+DS3.2