本书指导你如何编写你自己的驱动, 以及如何利用内核相关的部分. 我们采用一种设备-独立的方法 编程技术和接口, 在任何可能的时候, 不会捆绑到任何特定的设备. 每一个驱动都是不同的 作为一个驱动编写者, 你需要深入理解你的特定设备. 但是大部分的原则和基本技术对所有驱动都是一样的. 本书无法教你关于你的设备的东西, 但是它给予你所需要的使你的设备运行起来的背景知识的指导.-This book to guide you how to write your own driver, and how to use the relevant part of the kernel. We use a device- an independent method　programming technology and interface, at any possible time, not tied to any particular equipment . Every driver is different　as a driver writers, you require in-depth understanding of your specific equipment. However, the majority of the principles and basic skills of all drivers are the same. in this book you can not teach you about the equipment things, but it gives you the necessary equipment to enable you to run with the guidance of background knowledge.