OPC client with Visual C++ 2008

[fali09]

Hi all,

I have the following situation:
I created a program with Visual C++ 2008 express which receive and interpret data from a µC. Now I want to send this data from the Visual C++ program to an OPC server. Both programs run on the same PC. Therefore I need a connection between my programm and the server. So I think I have to integrate an OPC "client" in my program. But until now I have no Idea how to realize or how to start this. Perhaps anyone has some hints for me.

Thanks for any help

Daniel

[Krishnaa]

Are these 2 programs written by you ? Do you have the source code ? If so, you can create an IPC (interprocess communication) mechanism like sending messages, using pipes, sockets, using shared memory etc.

http://www.codeguru.com/cpp/w-p/syst...int.php/c5777/
http://www.codeguru.com/vb/gen/vb_sy...rint.php/c7401
http://www.codeproject.com/KB/threads/Win32IPC.aspx
http://www.codeguru.com/cpp/w-p/syst...cle.php/c2879/

[fali09]

Hi,
thanks for your reply.

I written the Visual C++ program and use a demo OPC server.

[ZuK]

Your Setup seems to be a bit funny.
Usually you would write an OPC server that does all the communication with the a µC. That OPC Server would then publish the data from the µC for OPC clients.

Kurt

[fali09]

@ZuK: Yes I know, but one condition was to first build a Visual C++ program which reads the variables from the µC. And then hand them over to the OPC server.

And by the way, I guess I`m far away from building my own OPC server :-)