global variable in the instrument Drivers

Hello

We design an instrument Driver for our devices. We have VI that does the same thing, but with different inputs and this entry is a collection of references.

I would like to know if this VI can be contributed by these groups as global variables. Through this way, I hope that we will significantly optimizie our code.

We are also looking for drivers to achieve certification by the OR so looking for any sort of solution if global will not be a good solution to achieve the optimization.

Thanks in advance,

VIvek

I don't understand what you mean by "chipped". Using global variables magically will not make your code more efficient. It is used for the global variable, and there are places where they should not be used. Reasonable use must contain the data used by several processes, even if a queue is usually a better way to go.

The best way to see how to write an instrument driver is to download recent instrument of the NI Instrument Driver Networkdrivers. Look for ones that are based on projects like these are made in 8.x and are fairly recent. You don't have to bother with the old drivers - they are a mess. You should be able to find something that looks like your instrument and use it as a model. There is also a Driver of Instrument wizard that comes with LabVIEW. Another source of information is the basis of knowledge of NOR. Do a search and you will find a lot of information. Like this: developing LabVIEW Plug - and - Play instrument Drivers.

You should also read on the nugget of Ben on the engines of the Action.

Tags: NI Software

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