VxWorks实时操作系统的USB总线驱动分析与开发  

Implementation of USB Driver on VxWorks Real-Time Operation System

作　　者：皇甫祯[1] 陈怀民[1] 段晓军[1] 吴成富[1] 

机构地区：[1]西北工业大学无人机特种技术国家重点实验室,陕西西安710065

出　　处：《测控技术》2008年第10期55-57,60,共4页Measurement & Control Technology

基　　金：航空基金资助项目(20061353017)

摘　　要：针对VxWorks实时操作系统下USB应用广泛,但USB驱动开发难度高等问题,具体分析了VxWorks下USB总线驱动模型的结构及功能,详细说明了其USBD驱动栈。同时,在此USB总线驱动模型的基础上详细介绍了USB字符设备驱动开发过程,全面展示了VxWorks下的USB内部事件调度机制,对于了解和开发USB驱动有很大帮助。In order to resolve difficulty during USB development on VxWorks real-time operating system, the structure and function of the USB driver module in VxWorks operating system .are analyzed. Then the USBD driver stack is explained in detail. Based on the USB driver module, the USB driver development for character device is introduced, which shows the USB event transfer mechanism roundly. It is very useful for realizing and developing USB driver.

关 键 词：VXWORKS 通用串行总线 客户软件 USBD 

分 类 号：TP316.2[自动化与计算机技术—计算机软件与理论]