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NI-VISA Troubles in Red Hat Environment
seaky0981
06-21-2024 10:01 PM
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Question
-Are there any notes regarding NI-VISA Driver Wizard on Red Hat OS and the handling of .ini and .inf files installed by NI-VISA Driver Wizard ?
-Is the path for ini and inf files automatically installed by the NI-VISA driver wizard app really correct on Red Hat?
-Where is the correct file path for the .ini and .inf files?
NI-VISA Troubles in Red Hat Environment
I am unable to control a custom PCIe device connected under the Red Hat 9.2 Workstation environment using NI-VISA for register-based control.
I followed the pages below and attempted to register the PCIe device using the NI-VISA Driver Wizard, but it was not successful.
NI-VISA Driver Wizard Overview - NI
When I checked if the registered device was recognized using VISA Interactive Control, the device was not detected.
Additional Information
I confirmed with the “lspci” command that the custom PCIe device is enumerated as a PCIe endpoint on Red Hat.
When I performed the same steps on the same workstation under the Windows 11 OS environment, the device was properly recognized by VISA Interactive Control, and register control was possible.
This clarified that there is no issue with the custom PCIe device.
In addition, I believe there are no errors in the operation procedures on the NI-VISA driver wizard app.
I suspect there may be a problem with where the ini and inf files are stored after they are generated.
Condition
OS: Redhat 9.2
NI-VISA: 2024Q1 Linux
Background
As part of technical investigations, I have confirmed that it is possible to register access a PCIe device using NI-VISA on Redhat 9.2.
