数据采集卡在LabVIEW中的驱动方法  

THE DRIVING METHODS OF DATA ACQUISITION BOARD IN LABVIEW

作　　者：戴新[1] 

机构地区：[1]广州大学信息与机电工程学院,广东广州510006

出　　处：《计算机应用与软件》2008年第3期156-158,161,共4页Computer Applications and Software

摘　　要：LabVIEW目前已成为虚拟仪器软件的重要代表,但是在LabVIEW中不能直接使用非NI公司的数据采集卡,必须自行编写驱动程序。介绍了在LabVIEW中驱动普通数据采集卡的几种方法,包括直接端口读写法、利用代码接口节点CIN(Code IntefaceNode)的方法和利用CLF(Call Library Function)节点调用动态链接库的方法,并比较了三种方法的应用特点。实践证明,LabVIEW软件平台具有很好的开放性,可以实现对普通数据采集卡的编程。LabVIEW is playing a more and more important role in virtual instrument. Many data acquisition boards from Non-Nl Company cannot be used directly in LabVIEW. Different methods for driving the common data acquisition board by In Port. vi ＆Out Port. vi, Code Inter- face Node（CIN） or Call Library Function（CLF） node in LabVIEW are introduced. The main procedures of the three methods are presented, and the application characteristics of these methods are compared. It is proved that using external code combined with LabVIEW can reduce the hardware cost and enhance the program efficiency.

关 键 词：虚拟仪器LabVIEW CIN节点 CLF节点 动态链接库 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置] U483[自动化与计算机技术—控制科学与工程]