In order to use the USB technology, the paper briefly introduces the relative knowledge of USB interface, and introduces the development process of WDM driver.
为了把usb技术应用到本设计中，本文还简单介绍了USB接口，WDM驱动程序的开发过程。
At the end of the paper, development of driver program WDM for PCI bus-based data acquisition board is mentioned.
最后还介绍了对PCI总线数据采集卡驱动程序WDM的开发及编程方法。
WDM by providing a flexible way to simplify driver development, the realization of new hardware support on the basis of the reduction and cut the need to develop drivers for the number and complexity.
WDM通过提供一种灵活的方式来简化驱动程序的开发，在实现对新硬件支持的基础上减少并降低所必须开发的驱动程序的数量和复杂性。
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