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 ...

Want to try or install a Linux distribution (distro) on your computer? Making a bootable flash drive with an image of the distro is the simplest route these days. I've done it dozens of times, and ...

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 ...

There's an easy way to experiment and answer those questions: taking a Linux operating system for a test drive without making any harmful changes to your PC. If you're thinking of switching to Linux ...

In my last column [see LJ December 2002], we covered the serial layer in the 2.5 (hopefully soon to be 2.6) kernel tree. We mentioned in passing that a USB-to-serial driver layer in the kernel helps ...