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What can I do for using the NI USB-8451?

Hello, I'm a Research Engineer in LG Display.

 

I have a questition.

 

I make a program for I2C communication by using the NI USB-8451 now.

 

A program is maked by VC++(MS studio 2008).

 

I want to read and write data of Gamma IC(BUF08821) made by TI.

 

When I excecute READ code , an error occured about device reference. 

 

An error massege is " The device reference is invalid. Verify that the supplied device reference contains a valid device name."

 

I dont' know what is problem. I need help for solution this error.
  

 

 

 

LG Display Co.,Ltd.

bumlee@lgdisplay.com

Message Edited by bumlee on 12-17-2009 01:32 AM
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