usb device selection

近期往 openstack 里倒腾 USB passthrough[1],遂把 USB 知识做较为全面的整理,以供分享. USB device 什么是 USB device, 上图机智的小萌狗就是 USB device,你的鼠标是 USB device, 键盘是 USB device,U 盘更是典型的 USB device.说了这么多例子,还是得用一个专业的名词一语概之,所谓 USB,即是 Universal Serial Bus(通用串行总线),它是用来连接 USB device 和计算机,从

http://www.velleman.eu/images/tmp/usbfind.c #ifdef __cplusplus extern "C" { #endif #include <windows.h> #include <tchar.h> #include <setupapi.h> #include <initguid.h> #include <stdio.h> // This is the GUID for the U

S3C2440的数据手册将USB功能分为两章--usb host和usb device.具体什么意思呢? usb host: 微处理器作为usb主设备,可以挂接U盘之类的从属设备. usb device: 微处理器作为usb从属设备,其常用作接受PC机发送的命令. 参考网页:USB Host和USB Device的区别 usb host和usb device,布布扣,bubuko.com

STM32F4 USB Composite CDC + MSC I'm in the process of building a USB composite CDC + MSC device on the STM32F4 Discovery board but am having trouble getting windows to recognise it. Using USBlyzer all the descriptor info seems ok but windows will onl

最近在旧机子上安装Centos系统的时候,用大白菜或者是UltraISO制作完U盘的系统盘后,出现了start booting from usb device和boot failed,一直很郁闷,以为是系统的原因.网上说把syslinux那个文件修改或者是替换,这些都不管用.最后发现是制作U启动的时候的格式,与bios启动U盘的格式不相符. BOIS启动USB有几种形式:USB-HDD,USB-FDD,USB-ZIP,USB-CDROM 1. ZIP模式是指把U盘模拟成ZIP驱动器模式,启动后U

Android Studio关于USB device not found的解决办法 我们使用Android Studio进行Android开发时,当我们使用真机进行调试时,很可能会出现USB device not found的问题.网上提出了很多决解办法,很多都是错误的.现给出正确的解决方法: 1. If yon don't have Android SDK installed, please install it first. 2. Open Start menu. Select Androi

Example Assigning Host USB device to a Guest VM This example is based on qemu-kvm (0.15.0) as installed in Fedora 15. Will first show how to do this manually, and second how to do it using the virt-manager tool. This HOWTO is limited to UHCI devices

http://community.silabs.com/t5/Interface-Knowledge-Base/Windows-USB-Device-Path/ta-p/114059 Windows operating systems rely on a unique device path to uniquely identify each USB device/interface connected to the system. A device path string is used to

USB devices are anywhere nowadays, even many embedded devices replace the traditional serial devices with usb devices. However, I experienced that USB devices hang from time to time. In most cases, a manual unplug and replug will solve the issue. Act