Fix for Linux where DAQmxGetSysNIDAQUpdateVersion is not available #75
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@jsalort - what version of DAQmx did you use? And what linux distribution? |
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I am using NI-DAQmx 8.0.2f0 on OpenSUSE 11.4 on a PXI-1031 with PXI-8102 chassis. |
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Oh, that's fairly old. |
rares-pop
reviewed
Sep 3, 2020
nidaqmx/system/system.py
Outdated
| try: | ||
| cfunc = lib_importer.windll.DAQmxGetSysNIDAQUpdateVersion | ||
| except DaqFunctionNotSupportedError: | ||
| cfunc = lib_importer.windll.DAQmxGetSysNIDAQMinorVersion |
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can we just return 0 here?
it's strange to have the update part of the version in sync with the minor, i.e. 8.0.0, 8.1.1, 8.2.2 (without actual 8.2.0 or 1).
I'm thinking if there's no update, either have the DriverVersion return major.minor, or major.minor.0, and I guess it's safer for comparisons and so on to use a 0 there.
rares-pop
reviewed
Sep 3, 2020
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Awesome! Thank you very much for the contribution! |
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I have started using this module on Linux (with AI channels), and this is the only change that I add to do to make it work. Apparently, DAQmx on Linux does not have
DAQmxGetSysNIDAQUpdateVersion. It seems to be enough to just fallback toDAQmxGetSysNIDAQMinorVersionin that case (although I am not sure that it means the same thing exactly).