I used to write an ad for EZUSB (2131) series chip DLL. Examples are

usb的抓包程序-usb procedures of capturing Packet

本源代码是用vc编写的关于usb接口的编程-source code is used vc prepared on usb interface programming

basic information for usb developers

USB固件程序,文件系统,USB2.0其它-USB firmware, file system, USB2.0 other

mp3设计程序资料，采用c语言编写。 README file for yampp-3 source code 2001-05-27 This is the current state of the yampp-3 source code, 2001-05-27. This code is intended to run on Rev. B of the yampp-3 PCB, but can ofcourse be used on compatible systems as well. It still uses the "old" song selection system as the yampp-2. However, the disk handling routines has improved a lot and the obviosly, the new VS1001 handling has been put in. The codesize is almost at it s maximum at 1F40 bytes. A .ROM file is included if you don t have the compiler set up. For now, the documentation is in the code- mp3 programming cook book in C. README file for yampp-3 source code 2001-05-27 This is the current state of the yampp-3 source code, 2001-05-27. This code is intended to run on Rev. B of the yampp-3 PCB, but can ofcourse be used on compatible systems as well. It still uses the "old" song selection system as the yampp-2. However, the disk handling routines has impr

关于USB便携多道系统，PC端客户软件。调用硬件前，须安装好设备驱动程序，使Windows找到USB便携多道设备，否则可以使用其中的软件模拟功能。-on USB portable multi-channel system, the client PC software. Call hardware, it should install a device driver, Windows find USB portable multi-channel equipment, which can use the software simulation function.

本程序演示了如何利用编写高层应用程序与USB接口通信。读者有必要了解主机是如何识别USB设备以及USB工作的基本原理。 -This procedure demonstrates how to use the preparation of high-level applications and USB interface. Readers it is necessary to understand how to identify the host is a USB device, as well as the work of the basic principles of USB.

usb万能驱动源代码，能够驱动多类USB接口设备-MicrosoftUSBstorageUDADrivers

一个不错的usb加密卡的设计，用户端。用的cypress公司的芯片。-a good usb encryption card design, client. Cypress with the company"s chip.

USB开发固件程序详细.-USB firmware development process in detail.