This paper analyzes on the operating principle of WDM, and provides the design example of a USB device drive program.
分析了WDM的工作原理，并给出一个USB设备驱动程序的设计实例。
This thesis takes Lingyang chip microcomputer and USB chipset PDIUSBD12 as the core of controlling device, and makes a systemic study of USB related techniques and USB interface drive program.
本论文以凌阳单片机和PDIUSBD 12构成USB设备控制端，对usb相关技术和USB设备驱动程序的编写进行研究。
The program is able to reset permissions on all files stored on the target drive, create an unprotected folder if this is necessary and lock the device with a single click.
该方案是能够重置存储在目标驱动器上的所有文件的权限，创建一个未受保护的文件夹中，如果这是必要的，只需一次点击锁定装置。
The program is able to reset permissions on all files stored on the target drive, create an unprotected folder if this is necessary and lock the device with a single click.
该方案是能够重置存储在目标驱动器上的所有文件的权限，创建一个未受保护的文件夹中，如果这是必要的，只需一次点击锁定装置。
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