Looking for example to use Aerotech Solist CP motor in CVI
Hi all,
Is there any example to drive Aerotech's Soloist CP motor in CVI? I found a labview code for Soloist CP in the installation directory. I used that with labview before but now I am porting lal code to CVI, I have no idea how to make it work in CVI.
RobertoBozzolo wrote:
You need to study the documentation that comes with your device and the interfacing possibilities the device offers. If the driver comes with a DLL than you could try using DLL functions directly in CVI: this document offers some explanations on how to realize this part, in any case the DLL must come with some include file that declares functions and types to use. You can also search in the support site or in the forums for additional documents or examples.
The LabVIEW driver itself could be an interface to the DLL, so if you have some familiarity with LV you could try looking at the underlyning code to see what's in it.
Having said this, I have never used devices from that producers so I cannot be of much help in using them.
Hi RobertoBozzolo,
With your suggestion, I've compiled the vi to DLL. For testing, I write a code in c to call it and compile with gcc mingw32. It seems ok. But in the environment of labwindows/CVI, I don't have other compiler other than CVI. So following this post http://digital.ni.com/public.nsf/allkb/70995EC2CA1B523386256DD4004F3DE6?OpenDocument, I have the DLL and the related header files copied to the same folder as the CVI program in. I should state that the DLL from Vi was compiled in other computer have labview 7.1 installed, it is running 32bits windows xp. But in the development environment (where I compiled the CVI), I am runing 2012 version in 64bit operating system. I don't know will that cause any conflict. But as directed in that page, I copy all headers in cintools from the LV7.1 computer, but when I compile it, it is said that " "fundtypes.h"(116,20) Redeclaration of 'int64'." I have no idea how to fix this issue then
Well, anyway, I comment out the definition of int64 in fundtypes.h and it finally compiled. However, since the DLL was compiled from LV7.1, when I run the compiled application with functions calling from the DLL, I got an error message that labview 7.1 runtimes required. Well, it is not a good idea to ask the client to install LV7.1 (runtime) just for running our application. So is that possible to compile the DLL and linking everything into the DLL so it doesn't require runtime 7.1? or any other suggestion?
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