[information] USB 1.1 and USB 2.0 protocol specification. PDF format, requested...

USB通讯若干问题探讨-USB communication on a number of issues

blackfin 的 usb devise 的代码 很基础-Blackfin usb devise the code is the basis of

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

How to write a USB HID driver

关于usbview的程序-procedures on usbview

PC端的USB主机源代码-USB PC-mainframe source code

This example firmware is based on Microchip s USB Support Firmware. The purpose of this example is to provide a model for making a USB combination device. This mainly entails having the USB descriptors set up correctly. File usb_ch9.c contains the mouse and keyboard descriptors in the correct configuration. The main routine of this example moves the cursor in a circle and sends keyboard keycodes for the message "Microchip USB" over and over again. Some advice: Before running this firmware open a blank text document. Make sure that when you run the device/emulator that you are able to give focus to the document. The cursor will be moving in a circle so make sure you have plenty of room to click on the editor window. This will allow you to see the message "Microchip USB" without inadvertently having the message type over an existing document.-This example firmware is based on Microchip s USB Support Firmware. The purpose of this exampl

支持PC机的各种端口的读写,包括,并口,串口,USB,-Support a variety of PC-to read and write ports, including parallel, serial, USB, etc.

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