[USRP-users] [Discuss-gnuradio] USRP 2920 doesn't work properly at UHD3.7.2 V.

Marcus D. Leech mleech at ripnet.com
Sun Sep 14 11:29:58 EDT 2014


On 09/14/2014 06:29 AM, Taner Tekin via USRP-users wrote:
> Thank you for your answers
>
> I was using gnuradio 3.7.4 ( uhd 3.5.4). There isn't a problem to 
> working USRP 2920.
> I saw new version gnuradio 3.7.5. I tryed update 3.7.4 to 3.7.5.
> gnu-UHD example GRC applications that are installed in the folder 
> system I received a message that says that the problem. (/grc/ 
> uhdtransmit, received and wbfmreceiver)
> So, I installed Ubuntu 14.04 again.
> I installed gnuradio 3.7.5 via marcus leech's ' 
> wgethttp://www.sbrac.org/files/build-gnuradio && chmod a+x 
> ./build-gnuradio && ./build-gnuradio '
> After, when I gnu-uhd / grc examples ,  ' addr: 192.168.10.2 not found'.
> I think, There is a problem new version UHD 3.7.2.
> May be,I must to load new image to USRP-2920.  ??
>
> Thank you
>
> Taner TEKİN
>
>
What does:

uhd_usrp_probe --args "addr=192.168.10.2"

Give you?


>
>
> 13 Eyl 2014 tarihinde 18:00 saatinde, 
> usrp-users-request at lists.ettus.com 
> <mailto:usrp-users-request at lists.ettus.com> şunları yazdı:
>
>> Send USRP-users mailing list submissions to
>> usrp-users at lists.ettus.com <mailto:usrp-users at lists.ettus.com>
>>
>> To subscribe or unsubscribe via the World Wide Web, visit
>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>> or, via email, send a message with subject or body 'help' to
>> usrp-users-request at lists.ettus.com 
>> <mailto:usrp-users-request at lists.ettus.com>
>>
>> You can reach the person managing the list at
>> usrp-users-owner at lists.ettus.com 
>> <mailto:usrp-users-owner at lists.ettus.com>
>>
>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of USRP-users digest..."
>>
>>
>> Today's Topics:
>>
>>  1. not finding audio drive (Rakesh SK)
>>  2. Re: Scheduled Antenna Switching Timing Issues (Neel Pandeya)
>>  3. Re: not finding audio drive (Marcus M?ller)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Fri, 12 Sep 2014 17:22:51 +0530
>> From: Rakesh SK <rakeshsk39 at gmail.com <mailto:rakeshsk39 at gmail.com>>
>> To: USRP-users at lists.ettus.com <mailto:USRP-users at lists.ettus.com>
>> Subject: [USRP-users] not finding audio drive
>> Message-ID:
>> <CADW13E_Pi98zNiMz1BJN9KA3V8s98A8kM_6hY4p_vZVK0QQ9dQ at mail.gmail.com 
>> <mailto:CADW13E_Pi98zNiMz1BJN9KA3V8s98A8kM_6hY4p_vZVK0QQ9dQ at mail.gmail.com>>
>> Content-Type: text/plain; charset="utf-8"
>>
>> hi
>> i am using gnuradio on Ubuntu 12.04 but OS not detecting audio drive
>> -------------- next part --------------
>> An HTML attachment was scrubbed...
>> URL: 
>> <http://lists.ettus.com/pipermail/usrp-users_lists.ettus.com/attachments/20140912/d3c93de0/attachment-0001.html>
>>
>> ------------------------------
>>
>> Message: 2
>> Date: Fri, 12 Sep 2014 21:53:22 -0700
>> From: Neel Pandeya <neel.pandeya at ettus.com 
>> <mailto:neel.pandeya at ettus.com>>
>> To: "d.des" <d.des at sbcglobal.net <mailto:d.des at sbcglobal.net>>, 
>> usrp-users at lists.ettus.com <mailto:usrp-users at lists.ettus.com>
>> Subject: Re: [USRP-users] Scheduled Antenna Switching Timing Issues
>> Message-ID:
>> <CACaXmv8+gdTz5VwneVMb5pBpoX-6QLZBQ8qHcpSQ4nS4Cd69rA at mail.gmail.com 
>> <mailto:CACaXmv8+gdTz5VwneVMb5pBpoX-6QLZBQ8qHcpSQ4nS4Cd69rA at mail.gmail.com>>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Hello Dave:
>>
>> I do not think that timed commands are supported on the B200 and B210
>> devices (they are definitely supported on the N-series and X-series
>> devices). However, timed streaming (starting a stream at a specific time)
>> is supported. Could send me a stand-alone code segment that I could 
>> use to
>> see exactly what you're doing, and to reproduce your problem? I'll build
>> and run your code example on a B210 here, and look more closely at the
>> issue.
>>
>> Regardless, I would still recommend that you use the latest version 
>> of UHD,
>> which is 3.7.2. You can get it from GitHub, and build it from source. The
>> link to the page is below. I think you will still benefit from using 
>> a more
>> recent version of UHD, as the one you're running now is old.
>>
>> https://github.com/EttusResearch/uhd/tree/release_003_007_002
>>
>> --Neel
>>
>>
>>> On Thu, Sep 11, 2014 at 6:01 PM, d.des <d.des at sbcglobal.net 
>>> <mailto:d.des at sbcglobal.net>> wrote:
>>>
>>> Neel,
>>> Wow, I'd given up in getting a response.  The radio is a B210.  I've 
>>> used
>>> at least 5 units and all act the same.  The version used for a recent
>>> thorough test was 003.007.000 but I did a quick check of the most recent
>>> version 2 weeks ago and it seemed the same.  I am sampling both 
>>> channels at
>>> 2 or 4 Msps and want to switch between pairs of antennas simultaneously
>>> every 1,048,576 samples.  The best I can do is schedule a command 
>>> for 15000
>>> or so samples before the end of each block and hope it gets 
>>> executed.  The
>>> switch events are not simultaneous and sometimes they don't happen 
>>> at all.
>>> I noticed that the lights weren't always sequencing properly near 
>>> the end
>>> of a recent test and confirmed from the phase data that switch 
>>> events were
>>> often not occuring on schedule.  I had hoped to introduce frequency 
>>> hopping
>>> as well but don't know if it's worth the effort given the uncertainty of
>>> switch commands getting executed.
>>>
>>> Any help would be appreciated.
>>>
>>> Dave
>>>
>>>
>>> -------- Original message --------
>>> From: Neel Pandeya
>>> Date:2014/09/10 18:52 (GMT-06:00)
>>> To: usrp-users at lists.ettus.com <mailto:usrp-users at lists.ettus.com>, 
>>> d.des at sbcglobal.net <mailto:d.des at sbcglobal.net>
>>> Subject: Re: [USRP-users] Scheduled Antenna Switching Timing Issues
>>>
>>> ?Hello Dave:
>>>
>>> Timed commands should work, but you might be hitting up against a known
>>> limitation. Could you please tell me a little more about your 
>>> system? Which
>>> USRP device and which version of UHD are you using? Once I know that
>>> information, I can give you a more detailed reply. Thanks.
>>>
>>> --Neel
>> -------------- next part --------------
>> An HTML attachment was scrubbed...
>> URL: 
>> <http://lists.ettus.com/pipermail/usrp-users_lists.ettus.com/attachments/20140912/c70944ba/attachment-0001.html>
>>
>> ------------------------------
>>
>> Message: 3
>> Date: Sat, 13 Sep 2014 13:58:44 +0200
>> From: Marcus M?ller <marcus.mueller at ettus.com 
>> <mailto:marcus.mueller at ettus.com>>
>> To: usrp-users at lists.ettus.com <mailto:usrp-users at lists.ettus.com>
>> Subject: Re: [USRP-users] not finding audio drive
>> Message-ID: <54143174.4090803 at ettus.com 
>> <mailto:54143174.4090803 at ettus.com>>
>> Content-Type: text/plain; charset="iso-8859-1"
>>
>> Hi Rakesh,
>>
>> this seems to be an audio/GNU Radio problem, so you might get get better
>> results asking this over at <discuss-gnuradio at gnu.org 
>> <mailto:discuss-gnuradio at gnu.org>> [1].
>> Generally, your problem description is a bit too short. The people of
>> discuss-gnuradio will want to know how you installed GNU Radio, what you
>> mean by "OS not detecting audio drive".
>>
>> Greetings,
>> Marcus
>>
>> [1] subscribe under 
>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>> On 12.09.2014 13:52, Rakesh SK via USRP-users wrote:
>>> hi
>>> i am using gnuradio on Ubuntu 12.04 but OS not detecting audio drive
>>>
>>>
>>>
>>> _______________________________________________
>>> USRP-users mailing list
>>> USRP-users at lists.ettus.com <mailto:USRP-users at lists.ettus.com>
>>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>>
>> -------------- next part --------------
>> An HTML attachment was scrubbed...
>> URL: 
>> <http://lists.ettus.com/pipermail/usrp-users_lists.ettus.com/attachments/20140913/7ee59844/attachment-0001.html>
>>
>> ------------------------------
>>
>> Subject: Digest Footer
>>
>> _______________________________________________
>> USRP-users mailing list
>> USRP-users at lists.ettus.com <mailto:USRP-users at lists.ettus.com>
>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>>
>>
>> ------------------------------
>>
>> End of USRP-users Digest, Vol 49, Issue 12
>> ******************************************
>
>
> _______________________________________________
> USRP-users mailing list
> USRP-users at lists.ettus.com
> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com


-- 
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ettus.com/pipermail/usrp-users_lists.ettus.com/attachments/20140914/696eb585/attachment-0002.html>


More information about the USRP-users mailing list