Problems with calling a DLL

[Nut Buster]

First post LAVA, let's see how it goes...

 

I'm propably missing something obvious here? I'm trying to call a DLL which takes a struct as a parameter.

When I run the code, I get these two errors and LABView crashes.

 

Any ideas?

[Rolf Kalbermatter]

Yes, you are missing the fact that the two arrays in the struct are inlined and not a pointer. Even if it was a pointer, the LabVIEW array handle is NOT equivalent to a C array pointer and neither to an inlined array.

 

What you need to do is replacing your arrays with a cluster of 100 U8 elements and 6 U8 elements respectively. Creating a cluster constant with 100 elements is rather inconvenient and time consuming. You best create these by converting an U8 array constant to the according cluster with the Array to Cluster primitive and then not forgetting to set the cluster size by right-clicking on the node and selecting the "Cluster Size ..." dialog. Then assemble the cluster/struct with a Bundle node.

[Nut Buster]

That solved the problem. Thanks for the help!