Hi Guys,
Answering my own question also. I had a mismatch in the NOC_ID between the driver code and my firmware block. After fixing that I could get uhd_usrp_probe and others, like gnuradio, to recognize my block. It did still require an LD_PRELOAD after the “sudo make install” but that is ok for now. Regards, Kevin From: Brian Padalino <bpadal...@gmail.com> Sent: Wednesday, 01 March 2023 16:20 To: Gwenhael Goavec-Merou <gw...@trabucayre.com> Cc: Vermeulen, Bas (Consultant) <bas.vermeu...@molex.com>; usrp-users@lists.ettus.com Subject: [EXTERNAL][USRP-users] Re: What do I need to do to make uhd_usrp_probe see my custom RFNOC module? On Wed, Mar 1, 2023 at 8:59 AM Gwenhael Goavec-Merou <gw...@trabucayre.com <mailto:gw...@trabucayre.com> > wrote: On Wed, 1 Mar 2023 07:20:22 -0500 Brian Padalino <bpadal...@gmail.com <mailto:bpadal...@gmail.com> > wrote: > On Wed, Mar 1, 2023 at 5:40 AM Vermeulen, Bas (Consultant) via USRP-users < > usrp-users@lists.ettus.com <mailto:usrp-users@lists.ettus.com> > wrote: > > > Just to answer my own question: > > > > Run uhd_usrp_probe with LD_PRELOAD=/usr/lib/librfnoc-module.so > > uhd_usrp_probe and it will be able to find the RFNOC modules. > > The same for any test programs you use, those need the LD_PRELOAD as well. > > > > While this is a way to do it, I believe the preferred method is using the > UHD_MODULE_PATH environment variable. > > Set that to a location which contains all the .so files for any RFNoC > modules, and UHD will load them automatically. Note that if any non-.so > files are in that path, you will get a warning about not being able to load > the library. > > Brian /usr/lib is a default path for libraries. Maybe using (as root) ldconfig to rebuild/refresh the cache used by the runtime linker? No - this doesn't make sense. Use UHD_MODULE_PATH. You can put your modules in ~/mymodules and point your UHD_MODULE_PATH to ~/mymodules and things will work fine. There is no need to play with LD_PRELOAD or worry about being root or install to default library paths. Use UHD_MODULE_PATH. Brian
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