Ali: Yes – this is a bug in the MATLAB code – we obviously shouldn’t test and fail transmit on a receive only daughtercard…
You should be able to ignore this – and continue to use the Radio in MATLAB. -Robin From: Lars Amsel <lars.am...@ni.com> Sent: Monday, March 25, 2024 2:27 AM To: ali.mah...@brunel.ac.uk; usrp-users@lists.ettus.com Subject: [USRP-users] Re: X310 Twinrx matlab issue Ali, your screenshots suggests that the Matlab Toolbox tries to verify the TX on the board but TwinRX has only 2RX. This is something Mathworks would have to fix. If you suspect something is wrong with the TwinRX USRP you could also verify it using uhd_usrp_probe (to check whether the USRP is detected correct) and rx_samples_to_file (to verify you can receive data from it). Regards Lars [NI]<https://www.ni.com/r/zf03uz> Lars Amsel Principal Software Engineer SW Discipline +49351206931427<tel:+49351206931427> | ni.com<https://www.ni.com/> [National Instruments is now NI.] INTERNAL - NI CONFIDENTIAL From: ali.mah...@brunel.ac.uk<mailto:ali.mah...@brunel.ac.uk> <ali.mah...@brunel.ac.uk<mailto:ali.mah...@brunel.ac.uk>> Sent: Sunday, March 17, 2024 12:07 AM To: usrp-users@lists.ettus.com<mailto:usrp-users@lists.ettus.com> Subject: [USRP-users] X310 Twinrx matlab issue Dear all, I have been using X310 (two SBXs) to run a matlab example with no issues. Recently we bought another X310 (two Twinrxs) to run the same matlab code (using the same machine), however, I have been facing some issues. I had to update the firmware by using sdruload() on matlab however when I do the Hardware setup by using “Communications Toolbox Support Package for USRP Radio” the test fails (as shown in the attached screenshot). When I run the matlab example, it shows me the error shown in the other attached screenshot. Since I have no issues when using the old X310 with SBXs, is the issue because of Twinrx? Any help would be much appreciated. Kind regards, Ali National Instruments Dresden GmbH; Geschäftsführer (Managing Directors): John Stanton McElroy, Albert Edward Percival III, Kathleen Spurck; Sitz (Registered Office): Dresden; HRB (Commercial Register No.): 22081; Registergericht (Registration Court): Dresden This email and any attachments are intended only for the person to whom this email is addressed and may contain confidential and/or privileged information. If you received this email in error, please do not disclose the contents to anyone, but notify the sender by return email and delete this email (and any attachments) from your system.
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