In the aspects of software modularization, emphasize to analyze USB device firmware, driver program of computer operating system and interface program-three parts of programming method.
在针对软件的模块化方面，着重分析了USB外设端的固件、主机操作系统上的客户驱动程序以及操作界面程序三个部分程序编写方法。
This paper focuses on the design of USB driver in WDM mode and Windows interface application program of video stream.
重点阐述了WDM模式的USB设备驱动程序与采集视频流的界面应用程序的设计。
The method avoids developing USB interface driver, has high communication rate and high reliability, and satisfies NC system's real-time demand very well.
该方法避免了开发usb接口驱动程序，传输速率快，可靠性高，很好地满足了数控系统的实时性要求。
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