Hi all, Thank you for your comments. Markus, I reseated the module, still get the same error. Yes, It is the one supplied by ettus.
WR, Gokul On Wed, Jun 1, 2022 at 6:55 PM David Raeman <[email protected]> wrote: > .. Sorry, just realized the GPSDO apparently does use SCPI-99 commands. :) > > > > *From:* David Raeman > *Sent:* Wednesday, June 1, 2022 12:51 PM > *To:* Marcus D. Leech <[email protected]>; > [email protected] > *Subject:* RE: [USRP-users] Re: GPS invalid reply > > > > The error string is also suspicious.. *IDN? is a command used to identify > lab instruments that implement SCPI protocols, and I’m not familiar with > any GPS receiver that interfaces using SCPI. Is it possible you have some > kind of instrument-control service on your computer (LabView, Keysight IO, > etc) which is trying to talk to the USRP as if it were a lab instrument? > > > > > > *From:* Marcus D. Leech <[email protected]> > *Sent:* Wednesday, June 1, 2022 12:43 PM > *To:* [email protected] > *Subject:* [USRP-users] Re: GPS invalid reply > > > > On 2022-06-01 11:19, gokul sani wrote: > > Dear USRP Community, > > > > I am using usrp b210 with gpsdo. But "uhd_usrp_probe" gave me an error. > > -*-[ERROR] [GPS] GPS invalid reply "scpi > *IDN?* > > The gps antenna is tested with a different b210 and received the lock. > > last week, it was working fine. No apparent changes were made.! Please > provide any insights of yours. > > > > > > uhd_usrp_probe > [INFO] [UHD] linux; GNU C++ version 5.4.0 20160609; Boost_105800; > UHD_3.15.0.HEAD-0-gaea0e2de > [INFO] [B200] Loading firmware image: > /usr/local/share/uhd/images/usrp_b200_fw.hex... > [INFO] [B200] Detected Device: B210 > [INFO] [B200] Loading FPGA image: > /usr/local/share/uhd/images/usrp_b210_fpga.bin... > [INFO] [B200] Operating over USB 3. > [INFO] [B200] Detecting internal GPSDO.... > > *[ERROR] [GPS] GPS invalid reply "scpi > *IDN? ", assuming none available* > [INFO] [GPS] No GPSDO found > [INFO] [B200] Initialize CODEC control... > [INFO] [B200] Initialize Radio control... > [INFO] [B200] Performing register loopback test... > [INFO] [B200] Register loopback test passed > [INFO] [B200] Performing register loopback test... > [INFO] [B200] Register loopback test passed > [INFO] [B200] Setting master clock rate selection to 'automatic'. > [INFO] [B200] Asking for clock rate 16.000000 MHz... > [INFO] [B200] Actually got clock rate 16.000000 MHz. > _____________________________________________________ > / > | Device: B-Series Device > | _____________________________________________________ > | / > > > > .. > > . > > .. > > > > > > Thank you, > > Gokul > > > > _______________________________________________ > > USRP-users mailing list -- [email protected] > > To unsubscribe send an email to [email protected] > > You could try carefully re-seating your GPSDO module. Is this module one > supplied by Ettus or an after-market one? > _______________________________________________ > USRP-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] >
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