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在虚拟仪器系统中，仪器驱动程序是连接仪器与用户界面的桥梁，是系统设计的一个关键。本文结合自行开发的基于ＶＸＩ总线的多通道数字输入／输出模块仪器驱动程序，讨论了符合ＶＸＩ总线即插即用规范的仪器驱动程序的一般设计方法。该方法对于其他的虚拟仪器驱动程序的开发具有参考与推广价值。
In the virtual instrument system, the instrument driver is a bridge connecting the instrument with the user interface and is a key part of the system design. In this paper, based on the VXI bus-based multi-channel digital input / output module instrument driver developed by ourselves, the general design method of the instrument driver that conforms to the VXI bus plug-and-play specification is discussed. This method has reference and promotion value for the development of other virtual instrument drivers.