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Scheduler for haptics hardware (imported DLL)

I'm trying to get readings from a Sensable Phantom Omni haptic joystick, using the OpenHaptics hd.dll library. I successfully imported the dll and all of its methods (though I'm a little uneasy about some 'void' arguments), and I am trying to port the 'QueryDevice' example provided by the manufacturer from C to LabVIEW. However, everytime I start the Scheduler, LabVIEW freezes. I suppose this has something to do with the Scheduler being necessary to establish parallel processing, which is native in LabVIEW?

 

 

Any help would be appreciated, I've been stuck on this for several days now and I need to move on.

 

 

This tutorial shows the program I'm porting from C, and explains pretty much all I know about Schedulers (i.e., not much):

http://brl.ee.washington.edu/Education/EE589/AIIT/NotesPack/OmniProgramming1.pdf

Message Edited by JavierRuiz on 06-02-2009 12:19 AM
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