不知道大家在学习Linux的时候有没有过这样的疑问,为什么我们通过同一个接口接入的不同USB设备,我们的电脑都可以识别到呢?为什么Linux电脑不会把鼠标识别成键盘呢?带着这些疑问我们一起来看一下USB的识别和加载过程。 当我们插入一个USB设备时,Linux内核 ...
在介绍设备端驱动前,我们先来看看 Linux USB子系统。这里的子系统是相对于整个Linux kernel 来说的,而非单一设备。从整体概括了USB主机端和设备端的通信框架。 Linux kernel 中早已集成了较为完善的USB协议栈,由于其规模庞大,包含多个类别的设备驱动,所以Linux ...
Running Linux from a USB drive is possible. You can boot just about any distribution you want from USB. There are some things you should consider before going this route. I've used Linux in just about ...
IT之家 8 月 14 日消息,DisplayPort 2.1 规范于去年发布后,英特尔的开源 Linux 工程师正在努力为 Linux 系统添加这一支持。 周五,英特尔工程师提交了用于启用线缆识别流程的 Linux 内核补丁,这是 USB-C 接口开启 DisplayPort Alternate Mode 2.1 支持所需的补丁。此外,Chrome ...
Since this column began, it has discussed how a Linux driver writer can create various types of kernel drivers, by explaining the different kernel driver interfaces including TTY, serial, I2C and the ...
Day 1: I open the box to see a small USB device—no bigger than a quarter—a CD and a note from my editor, “Make this work on Linux!” “Okay”, I think, “this should be easy.” Figure 1. MARX Software ...