214x芯片基于菲利普的usbdma ARM7应用PC机USB功能驱动程序…

完整的USB中文协议.本书规范了USB的工业标准。该规范介绍了USB的总线特点、协议内容、事务种类、总线管理、接口编程的设计，以及建立系统、制造外围设备所需的标准。 设计USB的目标就是使不同厂家所生产的设备可以在一个开放的体系下广泛的使用。该规范改进了便携商务或家用电脑的现有体系结构，进而为系统生产商和外设开发商提供了足够的空间来创造多功能的产品和开发广阔的市场，并不必使用陈旧的接口，害怕失去兼容性。-Complete USB Chinese agreement. This book standardized industry-standard USB. Introduction of the normative characteristics of the USB bus, agreement, transaction type, bus management, interface programming, design, and the establishment of systems, peripheral equipment required for manufacturing standards. USB design goal is to be produced by different manufacturers of equipment can be in an open system widely used. Norms to improve the portability of the business or home computer

深入解析了USB的核心技术，很有参考价值-good for learn usb

some examples of EZUSB firmeware frame

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

USB容量获取用DeviceIoControl得到U盘物理参数!-USB capacity DeviceIoControl be used to obtain physical parameters U disk!

WWWcam 是一个从基于视频设备的Webcam中抓图，存档，发布图片的工具。通过 CPiA webcam驱动，支持USB或其他端口。除了一般的通过浏览器连接 wwwcam 的功能外，还支持很多特有功能：自调整标题，自动修正亮度，通过和最新图片计较自动判断是否存储图片等-WWWcam is a video-based equipment from the Labs WebCam which Previously, archiving, publishing pictures of the tools. Through CPiA webcam drive, USB or other ports. Apart from the general browser connecting wwwcam functions, also supports many unique features : Self-adjusting title, automatically corrects brightness, and the latest pictures judgment regardless of whether automatic storage pictures

USB 项目技术报告，是2002 年12 月 北航 frank所做的关于USB协议和开发过程的报告，非常详细。 -USB project technical report is December 2002 BUAA frank done on the USB protocol and the report of the development process, very detailed.

凌阳SPCA5XX解码芯片USB驱动源代码，仅供参考，请不要用于商业用途。-Sunplus SPCA5xx decoder chip USB driver, reference only, not for commercial usage.

USB设备端固件程序,枚举部分是全部程序的基础和重心,只有主机对设备枚举成功后,主机才能和设备进行正常的通信 USB的枚举过程分为4个状态. 1.接入态 v主机检测到USB设备插上,击活端口,并发送复位命令(保持10ms) 2.默认态 v主机使用默认地址读取设备描述符 (GET_DESCRIPTOR) v主机分配给设备一个总在线的唯一地址 (SET_ADDRESS) 3.地址态 v主机从新的地址获取设备描述符(GET_DESCRIPTOR) v主机获取所有设备的配置描述符(GET_DESCRIPTOR) 4.配置态 v主机设置描述符(设备,配置) (SET_CONFIGURATION) v主机读取配置状态(可选) (GET_CONFIGURATION) v主机读取接口状态(可选) (GET_INTERFACE) -USB device-side firmware, enumerate all part of the foundation and focus of the procedure, only the host of equipment after the successful enumeration, the host and equipment in order to engage in normal communication USB enumeration process is divided into four status. 1. Access state v host detected USB devices plug in, hit live ports, and send the reset command (to maintain 10ms) 2. default state v Use the default address of the host to read device descriptor (GET_DESCRIPTOR) v host assigned to the equipment of a total online only Address (SET_ADDRESS) 3. A

USBTrace 测试USB必不可少的工具-USBTrace essential tool for testing USB