6025E DAQ card is not communicating with driver I have written
I recently wrote a driver that used the 6025E DAQ card. I then packaged up this product, and am in the process of creating a second identical product. The problem is that the software I wrote does not work with the new hardware card. Nothing has changed, except for the new card. Basically, the first product works great, the second one does not... They both seem to be using the same version of NI-DAQ (6.9.1), and I can't think of anything else that would cause these problems...
Could it be the computer speed? The actual system is a 866 MHz, but the test system (until the new computer arrives) is only 250 MHz...
In addition, the NI-DAQ test software works fine, i.e. I can send Digital inputs and th
e NI-DAQ test software will process the signals, but my software will not.
First, I want to make sure I understand your terminology. You have written a driver for your 6025E? We consider NI-DAQ(6.9.1) the driver for the DAQ boards. If you are making NI-DAQ function calls, then I'd say you are using the driver. (You're not making register-level programming calls are you?)
It's hard to say what the problem is right away, but I guess I do have some suggestions. In case you were wondering, computer speed usually isn't a problem when using standard DIO.
What does your program do? Find a similar example program in your ...\NI-DAQ\Examples folder and see if it works.
What is the other board you are trying to use? Is it also a 6025E?
Also, you said the program is not working, but what is the result? Are you getting any kind of e
rror message?
Russell
Applications Engineer
National Instruments
http://www.ni.com/support
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