VB调用USB接口智能卡的应用例程，在希望…

CH375 为USB主从芯片，内置协议，该文件中包含所有涉及到的CH375的用户资料-CH375 for USB master and slave chips, built-in protocol, the file contains all of the user information CH375

优盘程序,符合USB1.1规范。硬件平台：ATmega162+PDIUSBD12+K9F5608。软件平台：ICCAVR。协议：Bulk-Only Transport,Reduced block command.-Youpan procedures, in line with standard USB 1.1. Hardware platforms : ATmega162 PDIUSBD12 K9F5608. Software platform : ICCAVR. Agreement : Bulk-Only Transport, Reduced block command.

usb design reference

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

一个在WINDOWS 2000 DDK环境下开发的USB小键盘驱动程序.-A driver program for USB pad keyboard developed under WINDOWS 2000 DDK.

USB Host 开发中支持数码相机的源码。即Picture To Picture协议的完整实现-Source code for USB Host development supporting digital camera. Full implement of Picture To Picture Protocol.

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

本程序适用于购买的朋友,本代码为此书的第14章 -This procedure applies to the purchase of

很棒的usb开发图书-terrific usb development books

汇编语言写的ez-usb fx2 固件程序传输带宽480M/S-assembly language to write the ez-usb accordance firmware transmission bandwidth of 480/S