在WINDOWS下模式磁盘，是核心编程部分，采用DDK＋C环境，可以对磁盘结构和利用有明确的认识-virtual disk under the Windows operation system, it s a part of windows kernel programming, developed under the DDK and C environment. You can have a clear understanding of the disk structrue and usage

基于USB驱动的虚拟串口程序，有源码的DDK下面USB驱动程序。,USB drive-based virtual serial procedures, the following DDK source USB driver.

VC写的VirtualCOM虚拟串口驱动，基于DDK，在VC环境下打开工程文件直接编译，可以扩充功能。,Windows Virtual Com Driver source code project, write and compiled under Virtual C++ environment.

虚拟串口设备驱动。介绍了串口开发的框架模型。-Virtual serial port device driver. Introduced the framework of the serial model of development.

在windows下虚拟出一个虚拟磁盘的源码，使用c语言编写，DDK/WDK编译-In the windows out of a virtual disk for Virtual source, using c language, DDK/WDK to compile