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

封锁键盘鼠标的源程序.zip 通过驱动的非底层程序-blockade keyboard and mouse of the source. Zip drives through the bottom of procedures

用ＵＳＢ进行数据采集有明显的优越性，　该程序是ＵＳＢ数据采集的界面程序，配合固件程序可以行成完整的数据采集系统．-use USB data acquisition are obvious advantages, The procedure is the USB interface data collection procedures, firmware can tie into a complete line of data acquisition system.

TUSB3210固件开发源程序（C语言、开发环境keil)-TUSB3210 source firmware development (C language development environment keil)

jlink4 programming arm microcontroller usb interface and jtag programming and debugging

200元买来的D12开发资料,包括上位机驱动和应用程序，电路图，固件。-200 yuan bought D12 development information, including PC drives and applications, schematics, firmware.

一个用vb开发的源代码-vb development with a source code

This directory contains the 8051 firmware Vend_Ax source code for the Anchor Chips EZ-USB chip.

数据采集卡，采用同步传输模式。包括主机程序，固件源程序，驱动程序。出自《USB2.0原理与工程开发》我现在需要USB键盘方面的源程序，如果你有请提供crzman@163.com-data acquisition cards, using asynchronous transfer mode. Including mainframe procedures, firmware source, the driver. From "USB2.0 Principle and the development of the project," I now need a USB keyboard aspects of the source, If you please provide crzman@163.com

介绍了一种用USB接口实现胜利信号采集的方案。给出了上下级为之间的USB接口电路，并详细说明了通信控制原理及程序实现的方法。-introduced a USB interface to achieve victory signal acquisition program. Given the lower levels of the USB interface circuit, and a detailed description of communication control theory and program approach.

Delphi USB 访问的单元的源代码。 -visit Delphi USB module source code.