Interfacing Biometrics LTD DataLink with Labview 8

[toe_knee]

Hi Everyone,
 I'm very new to Labview. I'm trying to hook up Biometrics LTD Datalink  to Labview 8 using library function calls and the DLL provided by Biometrics LTD and I'm having a problem setting this up.  Attached is the labview vi file I was working on, and a PDF with technical specs towards the end.

The OnLineGetData function call takes a SAFEARRAY parameter which is actualy a struct and I wasn't able to figure out how to do this in Labview. There is no custom or struct option when selecting the data type for a paremeter for the function call. Does anyone how I can implement this struct parameter using Labview? Does it have anything to do with the "cluster"?

Thanks,
 Tony

Message Edited by toe_knee on 04-13-2007 09:41 PM

[AdnanZ]

Hi Tony,

I hope you are doing well today! It is tricky to pass a struct data type to the DLL from LabVIEW. Here is a link which should be able to help you out. Also, searching for ‘labview structures clusters dll’ on the National Instruments website should turn up more links.

Using Structures in a DLL with Clusters in LabVIEW