这个想法之前就在脑袋里有过,最近公司产品要用到,所以多做了些了解. 1. USB 简介 USB 是 Universal Serial Bus 的缩写,从字面上看,就是通用串行总线的意思.从物理上看,其实就是一对差分线,连接两台设备后,相互间进行数据传输.加上另外两路供电( 5V 和 GND)线,一共是 4 根线. 那么,既然是只有一对差分线,那么该如何决定由谁传给谁呢(如果两边同时在线上建立电平,线路上的电平会是不确定态的,以致无法通信)?这就要说到 USB 传输的一个重要基础:“询问-应答”
(Source/原文链接 https://blog.elcomsoft.com/2018/06/ios-11-4-1-beta-usb-restricted-mode-has-arrived/) 作者: Oleg Afonin As we wrote back in May, Apple is toying with the idea of restricting USB access to iOS devices that have not been unlocked for a cert
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
Slax is a modern, portable, small and fast Linux operating system with a modular approach and outstanding design. Despite its small size, Slax provides a wide collection of pre-installed software for daily use, including a well organized graphical us
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
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
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
目录 USB device USB controller Linux 相关命令 Python 相关库 Libvirt USB passthrough 参考资料 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
就在我们使用Pc接通安卓手机的时候,如果手机没有开启usb开发者调试模式,Pc则无办法成功检测到我们的手机,在一些情况下,我们使用的一些功能较强的app好比之前我们使用的一个app引号精灵,老版本就需要开启usb开发者调试模式下使用,现就在新版本不需要了,这时候我们需要找解决方法将手机的usb开发者调试模式开启,下面我们记录一下华为Nova青春 WAS-AL00如何开启usb开发者调试模式的步骤.第一步,在华为Nova青春 WAS-AL00应用程序界面点击“设置”图标,进入华为Nova青春 WA