Abstract: This paper analyses and researches the basic principle of WDM driver under Windows 2000 operating system. Using DDK of Microsoft, the authors develop a WDM driver for the communication interface based on PCI bus. The result shows that it has great value in application, and is helpful to understand the operation system.

Key words: Windows device driver model(WDM), Device drivers kit(DDK), Device driver, I/O request packet(IRP), Device object

摘要： 分析研究了Windows 2000下WDM驱动程序的基本原理。以Microsoft的DDK为开发工具，开发了基于PCI总线的通信接口板的WDM驱动程序。证实了该驱动程序有很大的实用价值，且有助于对操作系统的理解。

关键词: Windows设备驱动程序模型, 设备驱动程序开发包, 设备驱动程序, I/O请求包, 设备对象