this the way how to monitor usb communication with specific tools

FPGA的USB应用电路，已经成功通过测试，可以量产。-Application of FPGA circuit of the USB has been successfully tested, can be mass production.

USB接口规范,介绍USB接口原理-USB interface specification, introduced USB Principle

USB的驱动程序源代码,好东西，大家一起来分享,-USB driver source code, good things, everyone will work together to share

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.

CY7C63743 usb键盘的源码-CY7C63743 USB keyboard FOSS

USB2.0的技术规范 英文-USB2.0 specification English

2003-11-24_D12tst用户程序源代码.rar-2003- 11-24_D12tst user program source code. Rar

一个ucos下的usb程序 包括底层驱动以及一部分应用程序 但是没有ucos的源代码 需要自己添加在souce目录中-USB utility under uCOS, including low layer driver and part of application. No uCOS source code. Need to add it into source dir.

自己编写的一个小玩意-themselves prepared a plaything

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