Based on VxWorks operating systems high performance, high reliability, and real-time characteristics,develop ppc4xx platform VxWorks embedded USB driver. On the basis of introducing VxWorks USB, put forward key steps in the development processes. The results show that the method is easy to operate, and provides a reference for the related personnel.%基于VxWorks操作系统的高性能、高可靠性、高实时性等特点,开发PPC4XX平台下Vxworks嵌入式USB驱动程序·在详细介绍VxWorksUSB的基础上,给出开发流程的关键步骤.结果表明,该方法便于操作,可为相关人员提供参考.
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