基于OHCI的嵌入式USB主机控制器接口实现  

The Interface Implementation of Embedded USB Host Controller Based on OHCI

作　　者：刘锋[1] 韩超[1] 汪磊峰[1] 叶爱玲[1] 

机构地区：[1]安徽大学计算机科学与技术学院,合肥230039

出　　处：《微计算机信息》2010年第11期76-77,75,共3页Control & Automation

摘　　要：本文介绍了基于OHCI的USB主机系统的硬件核心主机控制器接口规范,分析USB协议栈的硬件层实现。结合了可重用的嵌入式USB主机系统研究课题,阐述主机控制器驱动程序开发方法,并列举了驱动程序内建的数据结构及接口函数的实现。完成了独立于操作系统的HCD开发,最后在S3C2410平台下进行了实验验证。The paper presents the interface specification of USB host controller based on OHCI,analyzes the implementation of hardware layer in USB stack.A method of developing host controller driver is described based on reusable embedded USB host system research.The key data structures and interface function which are used in the driver are also explained.A successful experiment is done on the S3C2410 platform after HCD is finished.

关 键 词：USB HC HCD OHCI 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论]