基于VxWorks的USB键盘驱动开发研究

USB Keyboard Driver Development Research Based on VxWorks

通过对基于Atmel公司的AT91RM9200微处理器的USB主驱动协议栈进行分析,根据USB键盘初始化和连接的顺序,通过一些具体的函数介绍,详细介绍了在嵌入式实时操作系统VxWorks下的USB键盘驱动开发的过程,包括了初始化过程及其一个USB键盘的启动过程。

According to USB keyboard connect and initialization sequence,through some particular function,this paper introcluced the USB Keyboard Driver development process in detail and included the initialization process,start-up process of a USB keyboard that under the embedded Real Time Operation System VxWorks that through analyses the USB Host Driver Stack based on Atmel＇s AT91RM9200 microprocessor.