/* * linux/arch/arm/kernel/calls.S * * Copyright (C) 1995-2005 Russell King * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This file is included ...【阅读全文】
最近在做Linux下USB从设备的驱动,程序写的差不多了,做一个整理小结。欢迎交流,如有错误请指正,谢谢!--Jason一、USB从设备驱动介绍USB总线上主要有三类设备:主控制器(Host Controller, such as EHCI、UHCI、OHCI)、集线器(hub)和设备(device)。Host controller(HC)负责总线的管理,是总线...【阅读全文】