Programmatically Setting Digital Channels to Input or Output

[palley]

Which classes/methods in Measurement Studio NIDAQ-mx support allow me to programmatically set a digital channel for input or for output? The only methods I've come across provide lists of previously-configured i/o channels.

Thanks

[kikiduu · Accepted solution]

If you are using a device that has bi-directional digital lines, then you don't have to specifically set a channel as input ot output. Use the DAQmxCreateDIChan or DAQmxCreateDOChan channel functions with the lines that you want to use. Automatically the line will be configured as Input or Output.

If the device doesn't support bidirectional digital lines, then you cannot set a input channel as output channel and viceversa.

[palley]

Whoops! I was a little premature in labeling your response a fix.

I haven't found that method available to me from within Measurement Studio (8.1), at least not within the documentation for .NET(2.0).

I see that it is documented in the C-language documentation. How do I get access to it or is there another strategy from within the .NET environment?

Thanks.

[kikiduu]

You can use the CreateChannel method in NationalInstruments.DAQmx.DIChannelCollection.

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palley wrote:

Whoops! I was a little premature in labeling your response a fix.

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