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NI-9476/ NI-9477 LabView example code

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I am creating a Valve driver routine in LabView now using DAQmx 9.8.
In this version there is a programming example to use but I have more questions...

 

In the 32 bit register I need to set and clear bits in the register without changing the state of others

 

For example first I set bits 3 to 5,

Then I clear bit 4 without changing the state of 3 and 5.

 

A. can I read back the state of output register, and from that create a mask to reprogram the output register?

 

B Is there another way to target specific bits in the output register?

 

 


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