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

51单片机控制D12 USB器件的完整源代码, keil工程文件,可以在周立功开发板上运行-51 MCU control D12 USB device complete source code, c51 engineering documents, in the weeks running meritorious development board

基于usb 芯片net2272的一个loopback的程序，稍加修改，即可移植到你的mcu或者dsp上-Net2272 on a usb chip loopback procedure, slightly modified, can be transplanted to your mcu or dsp on

some examples of EZUSB s interrupt routine

Writing an Input Module The sample module introduced here is called idiom (Input Device for Intercepting Output of Mice), The sample module registers itself with the USB kernel subsystem as a mouse driver and with the input management subsystem as a keyboard driver. idiom translates mouse movement events into keyboard input events: it reports arrow events to the input system according to how the physical mouse is moved. -Writing an Input Module The sample module i ntroduced here is called idiom (Input Device fo r Intercepting Output of Mice) The sample module registers itself with the USB kernel subsystem as a mouse driver and with the i Input management subsystem as a keyboard driver . idiom translates into mouse movement events k eyboard input events : it reports arrow events to the input system ACCO rding to how the physical mouse is moved.

windows下识别usb逻辑盘的程序-windows usb recognition under the procedures Logic

USB接口应用编程-The programming of application of the USB interface

关于LPC2468的DEMO板上USB部分的源代码，可以研究下-DEMO on the LPC2468 board USB part of the source code, can be studied under

usb hid 设备 来自国外网站上的-usb hid devices on the site from abroad

PHILIPS USB芯片 D12 的通用驱动,VC++ 平台-PHILIPS USB chip D12 generic driver, VC platform

PHILIPS 的 D12 固件开发说明和例子-PHILIPS the D12 firmware development descriptions and examples