Include Matlab DLL in LabVIEW 7.1

[Richi_AVL]

Hello LabVIEW experts,

i want to include a matlab m-file created dll. This dll is build as c-mex s-function and also as stand alone application.

In LabVIEW I used the call libary function with the following configurations: 

Function name: mexFunction

calling conventions: C

Parameter: all inports 8-byte Double

and reentrant.

I have connected all in- and outputs and afterwards I tried to run the programm.

The programm doesn't run and following error message occurred.

[Sreedhar_T]

HI,

I have also faced these problems many times. This is what I follow. But this is not a 100% cure.

1. Make a new VI

2. Make sure the calling conventions are proper. (for matlab it is definitely C)

3. The Inputs and the Outputs should be properly taken care, because a small mistake can cause a lot problem

Finally, kindly check if the matlab code is done correctly. Because many a times, the code seems to be working, but shows these kind of integration problems. Also try to create another dll with some other name.

Hopefully this helps you.

I want to know other ways to solve the problem

regards

[Richi_AVL]

Thank you for your help.

I will try it and give you a reply.

[aerxxx]

Hi,

The problem whit yur DLL is the data type.

Matlab handle mxArray data, so, you need make a new static DLL in C++ to call Matlab functions and convert the data types to double or float.

In this way tou can execute Matlab functions.

Alfredo Espinosa