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Discussion and technical support related to USRP, UHD, RFNoC
View all threadsB210 GPSDO 10 MHz Ref not locking, clock not syncing
Is the GPSD module just for E3xx?
I'll try 3.9.1 release and provide results.
Sean
From: Timothy Schaffer reffahcs@gmail.com
Sent: Monday, September 21, 2015 4:33 PM
To: Marcus D. Leech
Cc: Nowlan, Sean; usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
I believe there was new code for a GPSD module within the UHD drivers that was added sometime recently?
On Mon, Sep 21, 2015 at 11:31 PM, <mleech@ripnet.commailto:mleech@ripnet.com> wrote:
Well, perhaps someone from R&D could comment possible breakage in this part of the code UHD 3.10.X isn't a released UHD yet, so maybe something snuck in.
On 2015-09-21 16:20, Nowlan, Sean wrote:
Looks good with UHD 3.8.5. Locked to GPS within 4 or 5 minutes, UHD Device time is correct, and 10 MHz Ref always locks.
GPS Locked
USRP Locked to GPSDO 10 MHz Reference.
GPS and UHD Device time are aligned.
Printing available NMEA strings:
GPS_GPGGA: [...]
GPS_GPRMC: [...]
GPS epoch time: 1442866737 seconds
UHD Device time: 1442866737 seconds
PC Clock time: 1442866737 seconds
Sean
From: mleech@ripnet.commailto:mleech@ripnet.com <mleech@ripnet.commailto:mleech@ripnet.com>
Sent: Monday, September 21, 2015 10:58 AM
To: Nowlan, Sean
Cc: Timothy Schaffer; USRP-users@lists.ettus.commailto:USRP-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
Could you try 3.8.5?
On 2015-09-21 09:26, Nowlan, Sean wrote:
Is there a specific roll-back version of UHD that I should try? I currently don't have a breadboard or power supply to test the GPSDO module separately but I can look at the 10 MHz pin while the board is running on the B210.
Sean
From: Timothy Schaffer <reffahcs@gmail.commailto:reffahcs@gmail.com>
Sent: Sunday, September 20, 2015 2:47 PM
To: Nowlan, Sean
Cc: Marcus D. Leech; USRP-users@lists.ettus.commailto:USRP-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
If the UHD roll-back doesn't work and you have the means to do so, you might try pulling the GPSDO off the board and testing it standalone. http://www.jackson-labs.com/assets/uploads/main/LC_XO_Manual.pdf the pinout for the module is on page 6 of the PDF, so you should be able to measure the 10MHz out directly from the GPSDO, as well as monitor the NMEA output. At the very least, I would think it would help you determine if the GPSDO is the problem, or your B210 is the problem.
Cheers
-Tim
On Sun, Sep 20, 2015 at 9:34 PM, Nowlan, Sean via USRP-users <usrp-users@lists.ettus.commailto:usrp-users@lists.ettus.com> wrote:
It's been installed for perhaps 1 year, and to my knowledge it has worked in the past. Unfortunately I don't have a record of when it was previously working.
Sean
From: USRP-users <usrp-users-bounces@lists.ettus.commailto:usrp-users-bounces@lists.ettus.com> on behalf of Marcus D. Leech via USRP-users <usrp-users@lists.ettus.commailto:usrp-users@lists.ettus.com>
Sent: Sunday, September 20, 2015 2:29 PM
To: usrp-users@lists.ettus.commailto:usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
Is this situation where it was previously working and stopped, or is this the first time you've had the GPSDO in the B210?
On 09/20/2015 11:35 AM, Nowlan, Sean via USRP-users wrote:
I have a B210 (original version with white circuit board) with a Jackson Labs GPSDO (TCXO version from Ettus Research). I'm having two problems, but apparent when running the query_gpsdo_sensors utility:
- USRP only sporadically locks to the GPSDO 10 MHz reference. On most runs of query_gpsdo_sensors, it does not report lock.
- The UHD clock isn't getting set according to GPS time. It's my understanding that when a GPSDO module is detected, this should happen automatically.
I've tried this both with and without 6V power. Also as far as I can tell the GPSDO module has been installed correctly. On a cold boot of the B210 and on running the first app that loads the B210 firmware, LEDs D3 and D4 on the GPSDO module and LED100 on the B210 illuminate briefly. A few minutes after cold boot, the GPSDO module starts to blink LED D4 on for 1 second and off for 1 second, which I assume has to do with GPS acquisition.
Other information:
Ubuntu 14.04.3 LTS
Boost 1.54
UHD 003.010.git-29-gbc80e972
FPGA image fetched by uhd_images_downloader utility
Output of query_gpsdo_sensors:
[...]
GPS Locked
USRP NOT Locked to GPSDO 10 MHz Reference.
Double check installation instructions (N2X0/E1X0 only): https://www.ettus.com/content/files/gpsdo-kit_4.pdf
GPS and UHD Device time are NOT aligned last_pps: 5 vs gps: 1442760419. Try re-running the program. Double check 1 PPS connection from GPSDO.
Printing available NMEA strings:
[...]
GPS epoch time: 1442760419 seconds
UHD Device time: 5 seconds
PC Clock time: 1442760419 seconds
Thanks,
Sean
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I'm not sure what device it supports. I just remember noticing that it was
missing in a previous UHD driver when I was trying to trouble shoot RFNoC
fosphor. I believe the 3.9.0 release did not have it.
On Mon, Sep 21, 2015 at 11:35 PM, Nowlan, Sean Sean.Nowlan@gtri.gatech.edu
wrote:
Is the GPSD module just for E3xx?
I'll try 3.9.1 release and provide results.
Sean
From: Timothy Schaffer reffahcs@gmail.com
Sent: Monday, September 21, 2015 4:33 PM
To: Marcus D. Leech
Cc: Nowlan, Sean; usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not
syncing
I believe there was new code for a GPSD module within the UHD drivers that
was added sometime recently?
On Mon, Sep 21, 2015 at 11:31 PM, mleech@ripnet.com wrote:
Well, perhaps someone from R&D could comment possible breakage in this
part of the code UHD 3.10.X isn't a released UHD yet, so maybe something
snuck in.
On 2015-09-21 16:20, Nowlan, Sean wrote:
Looks good with UHD 3.8.5. Locked to GPS within 4 or 5 minutes, UHD
Device time is correct, and 10 MHz Ref always locks.
GPS Locked
USRP Locked to GPSDO 10 MHz Reference.
GPS and UHD Device time are aligned.
Printing available NMEA strings:
GPS_GPGGA: [...]
GPS_GPRMC: [...]
GPS epoch time: 1442866737 seconds
UHD Device time: 1442866737 seconds
PC Clock time: 1442866737 seconds
Sean
From: mleech@ripnet.com mleech@ripnet.com
Sent: Monday, September 21, 2015 10:58 AM
To: Nowlan, Sean
Cc: Timothy Schaffer; USRP-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not
syncing
Could you try 3.8.5?
On 2015-09-21 09:26, Nowlan, Sean wrote:
Is there a specific roll-back version of UHD that I should try? I
currently don't have a breadboard or power supply to test the GPSDO module
separately but I can look at the 10 MHz pin while the board is running on
the B210.
Sean
From: Timothy Schaffer reffahcs@gmail.com
Sent: Sunday, September 20, 2015 2:47 PM
To: Nowlan, Sean
Cc: Marcus D. Leech; USRP-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not
syncing
If the UHD roll-back doesn't work and you have the means to do so, you
might try pulling the GPSDO off the board and testing it standalone.
http://www.jackson-labs.com/assets/uploads/main/LC_XO_Manual.pdf the
pinout for the module is on page 6 of the PDF, so you should be able to
measure the 10MHz out directly from the GPSDO, as well as monitor the NMEA
output. At the very least, I would think it would help you determine if the
GPSDO is the problem, or your B210 is the problem.
Cheers
-Tim
On Sun, Sep 20, 2015 at 9:34 PM, Nowlan, Sean via USRP-users <
usrp-users@lists.ettus.com> wrote:
It's been installed for perhaps 1 year, and to my knowledge it has
worked in the past. Unfortunately I don't have a record of when it was
previously working.
Sean
From: USRP-users usrp-users-bounces@lists.ettus.com on behalf of
Marcus D. Leech via USRP-users usrp-users@lists.ettus.com
Sent: Sunday, September 20, 2015 2:29 PM
To: usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock
not syncing
Is this situation where it was previously working and stopped, or is
this the first time you've had the GPSDO in the B210?
On 09/20/2015 11:35 AM, Nowlan, Sean via USRP-users wrote:
I have a B210 (original version with white circuit board) with a Jackson
Labs GPSDO (TCXO version from Ettus Research). I'm having two problems, but
apparent when running the query_gpsdo_sensors utility:
- USRP only sporadically locks to the GPSDO 10 MHz reference. On most
runs of query_gpsdo_sensors, it does not report lock. - The UHD clock isn't getting set according to GPS time. It's my
understanding that when a GPSDO module is detected, this should
happen automatically.
I've tried this both with and without 6V power. Also as far as I can
tell the GPSDO module has been installed correctly. On a cold boot of the
B210 and on running the first app that loads the B210 firmware, LEDs D3 and
D4 on the GPSDO module and LED100 on the B210 illuminate briefly. A few
minutes after cold boot, the GPSDO module starts to blink LED D4 on for 1
second and off for 1 second, which I assume has to do with GPS acquisition.
Other information:
Ubuntu 14.04.3 LTS
Boost 1.54
UHD 003.010.git-29-gbc80e972
FPGA image fetched by uhd_images_downloader utility
Output of query_gpsdo_sensors:
[...]
GPS Locked
USRP NOT Locked to GPSDO 10 MHz Reference.
Double check installation instructions (N2X0/E1X0 only):
https://www.ettus.com/content/files/gpsdo-kit_4.pdf
GPS and UHD Device time are NOT aligned last_pps: 5 vs gps: 1442760419.
Try re-running the program. Double check 1 PPS connection from GPSDO.
Printing available NMEA strings:
[...]
GPS epoch time: 1442760419 seconds
UHD Device time: 5 seconds
PC Clock time: 1442760419 seconds
Thanks,
Sean
USRP-users mailing listUSRP-users@lists.ettus.comhttp://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
USRP-users mailing list
USRP-users@lists.ettus.com
http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
On UHD 3.9.1, I see the previously reported behaviors: UHD Device time not getting set and 10 MHz Ref not locking, even when GPS reports lock.
Sean
From: Timothy Schaffer reffahcs@gmail.com
Sent: Monday, September 21, 2015 4:38 PM
To: Nowlan, Sean
Cc: mleech@ripnet.com; usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
I'm not sure what device it supports. I just remember noticing that it was missing in a previous UHD driver when I was trying to trouble shoot RFNoC fosphor. I believe the 3.9.0 release did not have it.
On Mon, Sep 21, 2015 at 11:35 PM, Nowlan, Sean <Sean.Nowlan@gtri.gatech.edumailto:Sean.Nowlan@gtri.gatech.edu> wrote:
Is the GPSD module just for E3xx?
I'll try 3.9.1 release and provide results.
Sean
From: Timothy Schaffer <reffahcs@gmail.commailto:reffahcs@gmail.com>
Sent: Monday, September 21, 2015 4:33 PM
To: Marcus D. Leech
Cc: Nowlan, Sean; usrp-users@lists.ettus.commailto:usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
I believe there was new code for a GPSD module within the UHD drivers that was added sometime recently?
On Mon, Sep 21, 2015 at 11:31 PM, <mleech@ripnet.commailto:mleech@ripnet.com> wrote:
Well, perhaps someone from R&D could comment possible breakage in this part of the code UHD 3.10.X isn't a released UHD yet, so maybe something snuck in.
On 2015-09-21 16:20, Nowlan, Sean wrote:
Looks good with UHD 3.8.5. Locked to GPS within 4 or 5 minutes, UHD Device time is correct, and 10 MHz Ref always locks.
GPS Locked
USRP Locked to GPSDO 10 MHz Reference.
GPS and UHD Device time are aligned.
Printing available NMEA strings:
GPS_GPGGA: [...]
GPS_GPRMC: [...]
GPS epoch time: 1442866737 seconds
UHD Device time: 1442866737 seconds
PC Clock time: 1442866737 seconds
Sean
From: mleech@ripnet.commailto:mleech@ripnet.com <mleech@ripnet.commailto:mleech@ripnet.com>
Sent: Monday, September 21, 2015 10:58 AM
To: Nowlan, Sean
Cc: Timothy Schaffer; USRP-users@lists.ettus.commailto:USRP-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
Could you try 3.8.5?
On 2015-09-21 09:26, Nowlan, Sean wrote:
Is there a specific roll-back version of UHD that I should try? I currently don't have a breadboard or power supply to test the GPSDO module separately but I can look at the 10 MHz pin while the board is running on the B210.
Sean
From: Timothy Schaffer <reffahcs@gmail.commailto:reffahcs@gmail.com>
Sent: Sunday, September 20, 2015 2:47 PM
To: Nowlan, Sean
Cc: Marcus D. Leech; USRP-users@lists.ettus.commailto:USRP-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
If the UHD roll-back doesn't work and you have the means to do so, you might try pulling the GPSDO off the board and testing it standalone. http://www.jackson-labs.com/assets/uploads/main/LC_XO_Manual.pdf the pinout for the module is on page 6 of the PDF, so you should be able to measure the 10MHz out directly from the GPSDO, as well as monitor the NMEA output. At the very least, I would think it would help you determine if the GPSDO is the problem, or your B210 is the problem.
Cheers
-Tim
On Sun, Sep 20, 2015 at 9:34 PM, Nowlan, Sean via USRP-users <usrp-users@lists.ettus.commailto:usrp-users@lists.ettus.com> wrote:
It's been installed for perhaps 1 year, and to my knowledge it has worked in the past. Unfortunately I don't have a record of when it was previously working.
Sean
From: USRP-users <usrp-users-bounces@lists.ettus.commailto:usrp-users-bounces@lists.ettus.com> on behalf of Marcus D. Leech via USRP-users <usrp-users@lists.ettus.commailto:usrp-users@lists.ettus.com>
Sent: Sunday, September 20, 2015 2:29 PM
To: usrp-users@lists.ettus.commailto:usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
Is this situation where it was previously working and stopped, or is this the first time you've had the GPSDO in the B210?
On 09/20/2015 11:35 AM, Nowlan, Sean via USRP-users wrote:
I have a B210 (original version with white circuit board) with a Jackson Labs GPSDO (TCXO version from Ettus Research). I'm having two problems, but apparent when running the query_gpsdo_sensors utility:
- USRP only sporadically locks to the GPSDO 10 MHz reference. On most runs of query_gpsdo_sensors, it does not report lock.
- The UHD clock isn't getting set according to GPS time. It's my understanding that when a GPSDO module is detected, this should happen automatically.
I've tried this both with and without 6V power. Also as far as I can tell the GPSDO module has been installed correctly. On a cold boot of the B210 and on running the first app that loads the B210 firmware, LEDs D3 and D4 on the GPSDO module and LED100 on the B210 illuminate briefly. A few minutes after cold boot, the GPSDO module starts to blink LED D4 on for 1 second and off for 1 second, which I assume has to do with GPS acquisition.
Other information:
Ubuntu 14.04.3 LTS
Boost 1.54
UHD 003.010.git-29-gbc80e972
FPGA image fetched by uhd_images_downloader utility
Output of query_gpsdo_sensors:
[...]
GPS Locked
USRP NOT Locked to GPSDO 10 MHz Reference.
Double check installation instructions (N2X0/E1X0 only): https://www.ettus.com/content/files/gpsdo-kit_4.pdf
GPS and UHD Device time are NOT aligned last_pps: 5 vs gps: 1442760419. Try re-running the program. Double check 1 PPS connection from GPSDO.
Printing available NMEA strings:
[...]
GPS epoch time: 1442760419 seconds
UHD Device time: 5 seconds
PC Clock time: 1442760419 seconds
Thanks,
Sean
USRP-users mailing list
USRP-users@lists.ettus.commailto:USRP-users@lists.ettus.com
http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
USRP-users mailing list
USRP-users@lists.ettus.commailto:USRP-users@lists.ettus.com
http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
In previous versions of UHD, the clock source and time source were
automatically set to the GPSDO references if a GPSDO module was detected.
This behavior was changed in UHD 3.9.0 where the references now need to be
explicitly set. Use multi_usrp::set_clock_source() and
multi_usrp::set_time_source() APIs to set the references to "gpsdo".
Regards,
Michael
On Mon, Sep 21, 2015 at 2:11 PM, Nowlan, Sean via USRP-users <
usrp-users@lists.ettus.com> wrote:
On UHD 3.9.1, I see the previously reported behaviors: UHD Device time
not getting set and 10 MHz Ref not locking, even when GPS reports lock.
Sean
From: Timothy Schaffer reffahcs@gmail.com
Sent: Monday, September 21, 2015 4:38 PM
To: Nowlan, Sean
Cc: mleech@ripnet.com; usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not
syncing
I'm not sure what device it supports. I just remember noticing that it was
missing in a previous UHD driver when I was trying to trouble shoot RFNoC
fosphor. I believe the 3.9.0 release did not have it.
On Mon, Sep 21, 2015 at 11:35 PM, Nowlan, Sean <
Sean.Nowlan@gtri.gatech.edu> wrote:
Is the GPSD module just for E3xx?
I'll try 3.9.1 release and provide results.
Sean
From: Timothy Schaffer reffahcs@gmail.com
Sent: Monday, September 21, 2015 4:33 PM
To: Marcus D. Leech
Cc: Nowlan, Sean; usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not
syncing
I believe there was new code for a GPSD module within the UHD drivers
that was added sometime recently?
On Mon, Sep 21, 2015 at 11:31 PM, mleech@ripnet.com wrote:
Well, perhaps someone from R&D could comment possible breakage in this
part of the code UHD 3.10.X isn't a released UHD yet, so maybe something
snuck in.
On 2015-09-21 16:20, Nowlan, Sean wrote:
Looks good with UHD 3.8.5. Locked to GPS within 4 or 5 minutes, UHD
Device time is correct, and 10 MHz Ref always locks.
GPS Locked
USRP Locked to GPSDO 10 MHz Reference.
GPS and UHD Device time are aligned.
Printing available NMEA strings:
GPS_GPGGA: [...]
GPS_GPRMC: [...]
GPS epoch time: 1442866737 seconds
UHD Device time: 1442866737 seconds
PC Clock time: 1442866737 seconds
Sean
From: mleech@ripnet.com mleech@ripnet.com
Sent: Monday, September 21, 2015 10:58 AM
To: Nowlan, Sean
Cc: Timothy Schaffer; USRP-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock
not syncing
Could you try 3.8.5?
On 2015-09-21 09:26, Nowlan, Sean wrote:
Is there a specific roll-back version of UHD that I should try? I
currently don't have a breadboard or power supply to test the GPSDO module
separately but I can look at the 10 MHz pin while the board is running on
the B210.
Sean
From: Timothy Schaffer reffahcs@gmail.com
Sent: Sunday, September 20, 2015 2:47 PM
To: Nowlan, Sean
Cc: Marcus D. Leech; USRP-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock
not syncing
If the UHD roll-back doesn't work and you have the means to do so, you
might try pulling the GPSDO off the board and testing it standalone.
http://www.jackson-labs.com/assets/uploads/main/LC_XO_Manual.pdf the
pinout for the module is on page 6 of the PDF, so you should be able to
measure the 10MHz out directly from the GPSDO, as well as monitor the NMEA
output. At the very least, I would think it would help you determine if the
GPSDO is the problem, or your B210 is the problem.
Cheers
-Tim
On Sun, Sep 20, 2015 at 9:34 PM, Nowlan, Sean via USRP-users <
usrp-users@lists.ettus.com> wrote:
It's been installed for perhaps 1 year, and to my knowledge it has
worked in the past. Unfortunately I don't have a record of when it was
previously working.
Sean
From: USRP-users usrp-users-bounces@lists.ettus.com on behalf of
Marcus D. Leech via USRP-users usrp-users@lists.ettus.com
Sent: Sunday, September 20, 2015 2:29 PM
To: usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock
not syncing
Is this situation where it was previously working and stopped, or is
this the first time you've had the GPSDO in the B210?
On 09/20/2015 11:35 AM, Nowlan, Sean via USRP-users wrote:
I have a B210 (original version with white circuit board) with a
Jackson Labs GPSDO (TCXO version from Ettus Research). I'm having two
problems, but apparent when running the query_gpsdo_sensors utility:
- USRP only sporadically locks to the GPSDO 10 MHz reference. On most
runs of query_gpsdo_sensors, it does not report lock. - The UHD clock isn't getting set according to GPS time. It's my
understanding that when a GPSDO module is detected, this should
happen automatically.
I've tried this both with and without 6V power. Also as far as I can
tell the GPSDO module has been installed correctly. On a cold boot of the
B210 and on running the first app that loads the B210 firmware, LEDs D3 and
D4 on the GPSDO module and LED100 on the B210 illuminate briefly. A
few minutes after cold boot, the GPSDO module starts to blink LED D4 on for
1 second and off for 1 second, which I assume has to do with GPS
acquisition.
Other information:
Ubuntu 14.04.3 LTS
Boost 1.54
UHD 003.010.git-29-gbc80e972
FPGA image fetched by uhd_images_downloader utility
Output of query_gpsdo_sensors:
[...]
GPS Locked
USRP NOT Locked to GPSDO 10 MHz Reference.
Double check installation instructions (N2X0/E1X0 only):
https://www.ettus.com/content/files/gpsdo-kit_4.pdf
GPS and UHD Device time are NOT aligned last_pps: 5 vs gps: 1442760419.
Try re-running the program. Double check 1 PPS connection from GPSDO.
Printing available NMEA strings:
[...]
GPS epoch time: 1442760419 seconds
UHD Device time: 5 seconds
PC Clock time: 1442760419 seconds
Thanks,
Sean
USRP-users mailing listUSRP-users@lists.ettus.comhttp://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
USRP-users mailing list
USRP-users@lists.ettus.com
http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
USRP-users mailing list
USRP-users@lists.ettus.com
http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
On 09/21/2015 08:13 PM, Michael West via USRP-users wrote:
In previous versions of UHD, the clock source and time source were
automatically set to the GPSDO references if a GPSDO module was
detected. This behavior was changed in UHD 3.9.0 where the references
now need to be explicitly set. Use multi_usrp::set_clock_source() and
multi_usrp::set_time_source() APIs to set the references to "gpsdo".
Regards,
Michael
Darn it, I utterly forgot about that.
On Mon, Sep 21, 2015 at 2:11 PM, Nowlan, Sean via USRP-users
<usrp-users@lists.ettus.com mailto:usrp-users@lists.ettus.com> wrote:
On UHD 3.9.1, I see the previously reported behaviors: UHD Device
time not getting set and 10 MHz Ref not locking, even when GPS
reports lock.
Sean
------------------------------------------------------------------------
*From:* Timothy Schaffer <reffahcs@gmail.com
<mailto:reffahcs@gmail.com>>
*Sent:* Monday, September 21, 2015 4:38 PM
*To:* Nowlan, Sean
*Cc:* mleech@ripnet.com <mailto:mleech@ripnet.com>;
usrp-users@lists.ettus.com <mailto:usrp-users@lists.ettus.com>
*Subject:* Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking,
clock not syncing
I'm not sure what device it supports. I just remember noticing
that it was missing in a previous UHD driver when I was trying to
trouble shoot RFNoC fosphor. I believe the 3.9.0 release did not
have it.
On Mon, Sep 21, 2015 at 11:35 PM, Nowlan, Sean
<Sean.Nowlan@gtri.gatech.edu <mailto:Sean.Nowlan@gtri.gatech.edu>>
wrote:
Is the GPSD module just for E3xx?
I'll try 3.9.1 release and provide results.
Sean
------------------------------------------------------------------------
*From:* Timothy Schaffer <reffahcs@gmail.com
<mailto:reffahcs@gmail.com>>
*Sent:* Monday, September 21, 2015 4:33 PM
*To:* Marcus D. Leech
*Cc:* Nowlan, Sean; usrp-users@lists.ettus.com
<mailto:usrp-users@lists.ettus.com>
*Subject:* Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking,
clock not syncing
I believe there was new code for a GPSD module within the UHD
drivers that was added sometime recently?
On Mon, Sep 21, 2015 at 11:31 PM, <mleech@ripnet.com
<mailto:mleech@ripnet.com>> wrote:
Well, perhaps someone from R&D could comment possible
breakage in this part of the code UHD 3.10.X isn't a
released UHD yet, so maybe something snuck in.
On 2015-09-21 16:20, Nowlan, Sean wrote:
Looks good with UHD 3.8.5. Locked to GPS within 4 or 5
minutes, UHD Device time is correct, and 10 MHz Ref
always locks.
GPS Locked
USRP Locked to GPSDO 10 MHz Reference.
GPS and UHD Device time are aligned.
Printing available NMEA strings:
GPS_GPGGA: [...]
GPS_GPRMC: [...]
GPS epoch time: 1442866737 seconds
UHD Device time: 1442866737 seconds
PC Clock time: 1442866737 seconds
Sean
------------------------------------------------------------------------
*From:* mleech@ripnet.com <mailto:mleech@ripnet.com>
<mleech@ripnet.com <mailto:mleech@ripnet.com>>
*Sent:* Monday, September 21, 2015 10:58 AM
*To:* Nowlan, Sean
*Cc:* Timothy Schaffer; USRP-users@lists.ettus.com
<mailto:USRP-users@lists.ettus.com>
*Subject:* Re: [USRP-users] B210 GPSDO 10 MHz Ref not
locking, clock not syncing
Could you try 3.8.5?
On 2015-09-21 09:26, Nowlan, Sean wrote:
Is there a specific roll-back version of UHD that I
should try? I currently don't have a breadboard or
power supply to test the GPSDO module separately but
I can look at the 10 MHz pin while the board is
running on the B210.
Sean
------------------------------------------------------------------------
*From:* Timothy Schaffer <reffahcs@gmail.com
<mailto:reffahcs@gmail.com>>
*Sent:* Sunday, September 20, 2015 2:47 PM
*To:* Nowlan, Sean
*Cc:* Marcus D. Leech; USRP-users@lists.ettus.com
<mailto:USRP-users@lists.ettus.com>
*Subject:* Re: [USRP-users] B210 GPSDO 10 MHz Ref not
locking, clock not syncing
If the UHD roll-back doesn't work and you have the
means to do so, you might try pulling the GPSDO off
the board and testing it standalone.
http://www.jackson-labs.com/assets/uploads/main/LC_XO_Manual.pdf
the pinout for the module is on page 6 of the PDF,
so you should be able to measure the 10MHz out
directly from the GPSDO, as well as monitor the NMEA
output. At the very least, I would think it would
help you determine if the GPSDO is the problem, or
your B210 is the problem.
Cheers
-Tim
On Sun, Sep 20, 2015 at 9:34 PM, Nowlan, Sean via
USRP-users <usrp-users@lists.ettus.com
<mailto:usrp-users@lists.ettus.com>> wrote:
It's been installed for perhaps 1 year, and to
my knowledge it has worked in the past.
Unfortunately I don't have a record of when it
was previously working.
Sean
------------------------------------------------------------------------
*From:* USRP-users
<usrp-users-bounces@lists.ettus.com
<mailto:usrp-users-bounces@lists.ettus.com>> on
behalf of Marcus D. Leech via USRP-users
<usrp-users@lists.ettus.com
<mailto:usrp-users@lists.ettus.com>>
*Sent:* Sunday, September 20, 2015 2:29 PM
*To:* usrp-users@lists.ettus.com
<mailto:usrp-users@lists.ettus.com>
*Subject:* Re: [USRP-users] B210 GPSDO 10 MHz Ref
not locking, clock not syncing
Is this situation where it was previously working
and stopped, or is this the first time you've had
the GPSDO in the B210?
On 09/20/2015 11:35 AM, Nowlan, Sean via
USRP-users wrote:
I have a B210 (original version with white
circuit board) with a Jackson
Labs GPSDO (TCXO version from Ettus
Research). I'm having two problems, but
apparent when running the query_gpsdo_sensors
utility:
1) USRP only sporadically locks to the GPSDO
10 MHz reference. On most runs of
query_gpsdo_sensors, it does not report lock.
2) The UHD clock isn't getting set according
to GPS time. It's my understanding that when
a GPSDO module is detected, this should
happen automatically.
I've tried this both with and without 6V
power. Also as far as I can tell the GPSDO
module has been installed correctly. On a
cold boot of the B210 and on running the
first app that loads the B210 firmware, LEDs
D3 and D4 on the GPSDO module and LED100 on
the B210 illuminate briefly. A few minutes
after cold boot, the GPSDO module starts
to blink LED D4 on for 1 second and off for 1
second, which I assume has to do with GPS
acquisition.
Other information:
Ubuntu 14.04.3 LTS
Boost 1.54
UHD 003.010.git-29-gbc80e972
FPGA image fetched by uhd_images_downloader
utility
Output of query_gpsdo_sensors:
[...]
GPS Locked
USRP NOT Locked to GPSDO 10 MHz Reference.
Double check installation instructions
(N2X0/E1X0 only):
https://www.ettus.com/content/files/gpsdo-kit_4.pdf
GPS and UHD Device time are NOT aligned
last_pps: 5 vs gps: 1442760419. Try
re-running the program. Double check 1 PPS
connection from GPSDO.
Printing available NMEA strings:
[...]
GPS epoch time: 1442760419 seconds
UHD Device time: 5 seconds
PC Clock time: 1442760419 seconds
Thanks,
Sean
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Is it a bug in UHD 3.9.1, then, that query_gpsdo_sensors does not call multi_usrp::set_clock_source("gpsdo") at all? I can see that it calls multi_usrp::set_time_source("gpsdo").
Did you also remove the feature that automatically sets the UHD Device time to the GPS time when a GPSDO is detected? If so, is there a general call that tells UHD to just deal with it and set GPS time, without having to write a routine that calls multi_usrp::set_time_*_pps() and checks that everything is aligned and all time registers are set properly?
Sean
From: USRP-users usrp-users-bounces@lists.ettus.com on behalf of Marcus D. Leech via USRP-users usrp-users@lists.ettus.com
Sent: Monday, September 21, 2015 8:22 PM
To: usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
On 09/21/2015 08:13 PM, Michael West via USRP-users wrote:
In previous versions of UHD, the clock source and time source were automatically set to the GPSDO references if a GPSDO module was detected. This behavior was changed in UHD 3.9.0 where the references now need to be explicitly set. Use multi_usrp::set_clock_source() and multi_usrp::set_time_source() APIs to set the references to "gpsdo".
Regards,
Michael
Darn it, I utterly forgot about that.
On Mon, Sep 21, 2015 at 2:11 PM, Nowlan, Sean via USRP-users <usrp-users@lists.ettus.commailto:usrp-users@lists.ettus.com> wrote:
On UHD 3.9.1, I see the previously reported behaviors: UHD Device time not getting set and 10 MHz Ref not locking, even when GPS reports lock.
Sean
From: Timothy Schaffer <reffahcs@gmail.commailto:reffahcs@gmail.com>
Sent: Monday, September 21, 2015 4:38 PM
To: Nowlan, Sean
Cc: mleech@ripnet.commailto:mleech@ripnet.com; usrp-users@lists.ettus.commailto:usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
I'm not sure what device it supports. I just remember noticing that it was missing in a previous UHD driver when I was trying to trouble shoot RFNoC fosphor. I believe the 3.9.0 release did not have it.
On Mon, Sep 21, 2015 at 11:35 PM, Nowlan, Sean <Sean.Nowlan@gtri.gatech.edumailto:Sean.Nowlan@gtri.gatech.edu> wrote:
Is the GPSD module just for E3xx?
I'll try 3.9.1 release and provide results.
Sean
From: Timothy Schaffer <reffahcs@gmail.commailto:reffahcs@gmail.com>
Sent: Monday, September 21, 2015 4:33 PM
To: Marcus D. Leech
Cc: Nowlan, Sean; usrp-users@lists.ettus.commailto:usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
I believe there was new code for a GPSD module within the UHD drivers that was added sometime recently?
On Mon, Sep 21, 2015 at 11:31 PM, <mleech@ripnet.commailto:mleech@ripnet.com> wrote:
Well, perhaps someone from R&D could comment possible breakage in this part of the code UHD 3.10.X isn't a released UHD yet, so maybe something snuck in.
On 2015-09-21 16:20, Nowlan, Sean wrote:
Looks good with UHD 3.8.5. Locked to GPS within 4 or 5 minutes, UHD Device time is correct, and 10 MHz Ref always locks.
GPS Locked
USRP Locked to GPSDO 10 MHz Reference.
GPS and UHD Device time are aligned.
Printing available NMEA strings:
GPS_GPGGA: [...]
GPS_GPRMC: [...]
GPS epoch time: 1442866737 seconds
UHD Device time: 1442866737 seconds
PC Clock time: 1442866737 seconds
Sean
From: mleech@ripnet.commailto:mleech@ripnet.com <mleech@ripnet.commailto:mleech@ripnet.com>
Sent: Monday, September 21, 2015 10:58 AM
To: Nowlan, Sean
Cc: Timothy Schaffer; USRP-users@lists.ettus.commailto:USRP-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
Could you try 3.8.5?
On 2015-09-21 09:26, Nowlan, Sean wrote:
Is there a specific roll-back version of UHD that I should try? I currently don't have a breadboard or power supply to test the GPSDO module separately but I can look at the 10 MHz pin while the board is running on the B210.
Sean
From: Timothy Schaffer <reffahcs@gmail.commailto:reffahcs@gmail.com>
Sent: Sunday, September 20, 2015 2:47 PM
To: Nowlan, Sean
Cc: Marcus D. Leech; USRP-users@lists.ettus.commailto:USRP-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
If the UHD roll-back doesn't work and you have the means to do so, you might try pulling the GPSDO off the board and testing it standalone. http://www.jackson-labs.com/assets/uploads/main/LC_XO_Manual.pdf the pinout for the module is on page 6 of the PDF, so you should be able to measure the 10MHz out directly from the GPSDO, as well as monitor the NMEA output. At the very least, I would think it would help you determine if the GPSDO is the problem, or your B210 is the problem.
Cheers
-Tim
On Sun, Sep 20, 2015 at 9:34 PM, Nowlan, Sean via USRP-users <usrp-users@lists.ettus.commailto:usrp-users@lists.ettus.com> wrote:
It's been installed for perhaps 1 year, and to my knowledge it has worked in the past. Unfortunately I don't have a record of when it was previously working.
Sean
From: USRP-users <usrp-users-bounces@lists.ettus.commailto:usrp-users-bounces@lists.ettus.com> on behalf of Marcus D. Leech via USRP-users <usrp-users@lists.ettus.commailto:usrp-users@lists.ettus.com>
Sent: Sunday, September 20, 2015 2:29 PM
To: usrp-users@lists.ettus.commailto:usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not syncing
Is this situation where it was previously working and stopped, or is this the first time you've had the GPSDO in the B210?
On 09/20/2015 11:35 AM, Nowlan, Sean via USRP-users wrote:
I have a B210 (original version with white circuit board) with a Jackson Labs GPSDO (TCXO version from Ettus Research). I'm having two problems, but apparent when running the query_gpsdo_sensors utility:
- USRP only sporadically locks to the GPSDO 10 MHz reference. On most runs of query_gpsdo_sensors, it does not report lock.
- The UHD clock isn't getting set according to GPS time. It's my understanding that when a GPSDO module is detected, this should happen automatically.
I've tried this both with and without 6V power. Also as far as I can tell the GPSDO module has been installed correctly. On a cold boot of the B210 and on running the first app that loads the B210 firmware, LEDs D3 and D4 on the GPSDO module and LED100 on the B210 illuminate briefly. A few minutes after cold boot, the GPSDO module starts to blink LED D4 on for 1 second and off for 1 second, which I assume has to do with GPS acquisition.
Other information:
Ubuntu 14.04.3 LTS
Boost 1.54
UHD 003.010.git-29-gbc80e972
FPGA image fetched by uhd_images_downloader utility
Output of query_gpsdo_sensors:
[...]
GPS Locked
USRP NOT Locked to GPSDO 10 MHz Reference.
Double check installation instructions (N2X0/E1X0 only): https://www.ettus.com/content/files/gpsdo-kit_4.pdf
GPS and UHD Device time are NOT aligned last_pps: 5 vs gps: 1442760419. Try re-running the program. Double check 1 PPS connection from GPSDO.
Printing available NMEA strings:
[...]
GPS epoch time: 1442760419 seconds
UHD Device time: 5 seconds
PC Clock time: 1442760419 seconds
Thanks,
Sean
USRP-users mailing list
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Hi Sean,
Good catch. Yes, query_gpsdo_sensors should call
multi_usrp::set_clock_source("gpsdo"). A bug has been filed to have that
fixed.
Yes, the feature automatically setting the time to GPS time was also
removed. The time was getting set before GPS lock was obtained, so the
time was more often wrong than correct, and the device initialization was
completing before the next PPS edge, so the time was not actually set and
there were numerous issues with applications using timed commands or trying
to set the time. So, yes, the time will need to be explicitly set using
multi_usrp::set_time_next_pps(). We recommend polling on
multi_usrp::get_last_time_pps() to wait for the PPS edge and then sleeping
200 ms before calling that line to allow the GPRMC message to propagate to
the host.
I do agree that a single API call to set the sources and synchronize the
time to the GPSDO would be convenient. I will pass the suggestion along to
R&D.
Regards,
Michael
On Tue, Sep 22, 2015 at 8:04 AM, Nowlan, Sean Sean.Nowlan@gtri.gatech.edu
wrote:
Is it a bug in UHD 3.9.1, then, that query_gpsdo_sensors does not call
multi_usrp::set_clock_source("gpsdo") at all? I can see that it calls
multi_usrp::set_time_source("gpsdo").
Did you also remove the feature that automatically sets the UHD Device
time to the GPS time when a GPSDO is detected? If so, is there a general
call that tells UHD to just deal with it and set GPS time, without having
to write a routine that calls multi_usrp::set_time_*_pps() and checks that
everything is aligned and all time registers are set properly?
Sean
From: USRP-users usrp-users-bounces@lists.ettus.com on behalf of
Marcus D. Leech via USRP-users usrp-users@lists.ettus.com
Sent: Monday, September 21, 2015 8:22 PM
To: usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not
syncing
On 09/21/2015 08:13 PM, Michael West via USRP-users wrote:
In previous versions of UHD, the clock source and time source were
automatically set to the GPSDO references if a GPSDO module was detected.
This behavior was changed in UHD 3.9.0 where the references now need to be
explicitly set. Use multi_usrp::set_clock_source() and
multi_usrp::set_time_source() APIs to set the references to "gpsdo".
Regards,
Michael
Darn it, I utterly forgot about that.
On Mon, Sep 21, 2015 at 2:11 PM, Nowlan, Sean via USRP-users <
usrp-users@lists.ettus.com> wrote:
On UHD 3.9.1, I see the previously reported behaviors: UHD Device time
not getting set and 10 MHz Ref not locking, even when GPS reports lock.
Sean
From: Timothy Schaffer reffahcs@gmail.com
Sent: Monday, September 21, 2015 4:38 PM
To: Nowlan, Sean
Cc: mleech@ripnet.com; usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock not
syncing
I'm not sure what device it supports. I just remember noticing that it
was missing in a previous UHD driver when I was trying to trouble shoot
RFNoC fosphor. I believe the 3.9.0 release did not have it.
On Mon, Sep 21, 2015 at 11:35 PM, Nowlan, Sean <
Sean.Nowlan@gtri.gatech.edu> wrote:
Is the GPSD module just for E3xx?
I'll try 3.9.1 release and provide results.
Sean
From: Timothy Schaffer reffahcs@gmail.com
Sent: Monday, September 21, 2015 4:33 PM
To: Marcus D. Leech
Cc: Nowlan, Sean; usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock
not syncing
I believe there was new code for a GPSD module within the UHD drivers
that was added sometime recently?
On Mon, Sep 21, 2015 at 11:31 PM, mleech@ripnet.com wrote:
Well, perhaps someone from R&D could comment possible breakage in this
part of the code UHD 3.10.X isn't a released UHD yet, so maybe something
snuck in.
On 2015-09-21 16:20, Nowlan, Sean wrote:
Looks good with UHD 3.8.5. Locked to GPS within 4 or 5 minutes, UHD
Device time is correct, and 10 MHz Ref always locks.
GPS Locked
USRP Locked to GPSDO 10 MHz Reference.
GPS and UHD Device time are aligned.
Printing available NMEA strings:
GPS_GPGGA: [...]
GPS_GPRMC: [...]
GPS epoch time: 1442866737 seconds
UHD Device time: 1442866737 seconds
PC Clock time: 1442866737 seconds
Sean
From: mleech@ripnet.com mleech@ripnet.com
Sent: Monday, September 21, 2015 10:58 AM
To: Nowlan, Sean
Cc: Timothy Schaffer; USRP-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock
not syncing
Could you try 3.8.5?
On 2015-09-21 09:26, Nowlan, Sean wrote:
Is there a specific roll-back version of UHD that I should try? I
currently don't have a breadboard or power supply to test the GPSDO module
separately but I can look at the 10 MHz pin while the board is running on
the B210.
Sean
From: Timothy Schaffer reffahcs@gmail.com
Sent: Sunday, September 20, 2015 2:47 PM
To: Nowlan, Sean
Cc: Marcus D. Leech; USRP-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock
not syncing
If the UHD roll-back doesn't work and you have the means to do so, you
might try pulling the GPSDO off the board and testing it standalone.
http://www.jackson-labs.com/assets/uploads/main/LC_XO_Manual.pdf the
pinout for the module is on page 6 of the PDF, so you should be able to
measure the 10MHz out directly from the GPSDO, as well as monitor the NMEA
output. At the very least, I would think it would help you determine if the
GPSDO is the problem, or your B210 is the problem.
Cheers
-Tim
On Sun, Sep 20, 2015 at 9:34 PM, Nowlan, Sean via USRP-users <
usrp-users@lists.ettus.com> wrote:
It's been installed for perhaps 1 year, and to my knowledge it has
worked in the past. Unfortunately I don't have a record of when it was
previously working.
Sean
From: USRP-users usrp-users-bounces@lists.ettus.com on behalf of
Marcus D. Leech via USRP-users usrp-users@lists.ettus.com
Sent: Sunday, September 20, 2015 2:29 PM
To: usrp-users@lists.ettus.com
Subject: Re: [USRP-users] B210 GPSDO 10 MHz Ref not locking, clock
not syncing
Is this situation where it was previously working and stopped, or is
this the first time you've had the GPSDO in the B210?
On 09/20/2015 11:35 AM, Nowlan, Sean via USRP-users wrote:
I have a B210 (original version with white circuit board) with a
Jackson Labs GPSDO (TCXO version from Ettus Research). I'm having two
problems, but apparent when running the query_gpsdo_sensors utility:
- USRP only sporadically locks to the GPSDO 10 MHz reference. On most
runs of query_gpsdo_sensors, it does not report lock. - The UHD clock isn't getting set according to GPS time. It's my
understanding that when a GPSDO module is detected, this should
happen automatically.
I've tried this both with and without 6V power. Also as far as I can
tell the GPSDO module has been installed correctly. On a cold boot of the
B210 and on running the first app that loads the B210 firmware, LEDs D3 and
D4 on the GPSDO module and LED100 on the B210 illuminate briefly. A
few minutes after cold boot, the GPSDO module starts to blink LED D4 on for
1 second and off for 1 second, which I assume has to do with GPS
acquisition.
Other information:
Ubuntu 14.04.3 LTS
Boost 1.54
UHD 003.010.git-29-gbc80e972
FPGA image fetched by uhd_images_downloader utility
Output of query_gpsdo_sensors:
[...]
GPS Locked
USRP NOT Locked to GPSDO 10 MHz Reference.
Double check installation instructions (N2X0/E1X0 only):
https://www.ettus.com/content/files/gpsdo-kit_4.pdf
GPS and UHD Device time are NOT aligned last_pps: 5 vs gps:
1442760419. Try re-running the program. Double check 1 PPS connection from
GPSDO.
Printing available NMEA strings:
[...]
GPS epoch time: 1442760419 seconds
UHD Device time: 5 seconds
PC Clock time: 1442760419 seconds
Thanks,
Sean
USRP-users mailing listUSRP-users@lists.ettus.comhttp://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
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