The method to realize the electromyography signal high-speed sampling in Windows 98 using Microsoft device driver kit (DDK) to develop the virtual device driver (VxD) of hardware timer interrupt processing is introduced in this paper.

• 本文介绍了在WIN98环境下利用微软的设备驱动程序开发包(DDK)开发硬件定时中断处理的虚拟设备驱动程序(VxD)来实现肌电图信号高速采样的方法。