20060605--Windows嵌入式开发系列课程(3)：WindowsCE.NET USB驱动开发基础.pdf-20060605- Windows Embedded Development Series courses (3): WindowsCE.NET USB driver development foundation. Pdf

A primary design goal for Windows Driver Foundation (WDF) was to make the driver models easy to extend to support new types of hardware. The first specialized input/output (I/O) targets in both User-Mode Driver Framework (UMDF) and Kernel-Mode Driver