Re: [Discuss-gnuradio] can't use ControlPort in gnuradio 3.7

[Martin Braun (CEL)]

On Sat, Nov 23, 2013 at 09:30:37PM +0400, nesimi eldarov wrote:
> Hi People,
> 
> My system:
>  Ubuntu 13.04
>  GNURADIO 3.7

How did you install GNU Radio? Did you build it from source? If so, was
CtrlPort enabled during build time? You can pastebin the cmake output if
that's the case.

MB

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Re: [Discuss-gnuradio] can't use ControlPort in gnuradio 3.7

[nesimi eldarov]

 Hi Martin,

I installed from source. 
I look into build folder I could not find ControlPort. I guess it was disabled 
during installation but I am not sure.

What do you mean with ' pastebin the cmake output '?
How can I install that now?



Воскресенье, 24 ноября 2013, 11:50 +01:00 от "Martin Braun (CEL)" 
:
>On Sat, Nov 23, 2013 at 09:30:37PM +0400, nesimi eldarov wrote:
>> Hi People,
>> 
>> My system:
>>  Ubuntu 13.04
>>  GNURADIO 3.7
>
>How did you install GNU Radio? Did you build it from source? If so, was
>CtrlPort enabled during build time? You can pastebin the cmake output if
>that's the case.
>
>MB
>
>-- 
>Karlsruhe Institute of Technology (KIT)
>Communications Engineering Lab (CEL)
>
>Dipl.-Ing. Martin Braun
>Research Associate
>
>Kaiserstraße 12
>Building 05.01
>76131 Karlsruhe
>
>Phone: +49 721 608-43790
>Fax: +49 721 608-46071
>www.cel.kit.edu
>
>KIT -- University of the State of Baden-Württemberg and
>National Laboratory of the Helmholtz Association
>
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>


-- 
NE
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[Discuss-gnuradio] Gnuradio 3.7.2 adn WX GUI Waterfall Sink with only blue screen output

[Ben Z en de rest]

Hi,

Installed Gnuradio 3.7.2 from source. Had some troubles loading files from
earlier versions so I started from scratch with the FM receiver from author
2h20. Added a bandpass filter to filter the 19 kHz pilot tone (just for
fun) but want to add the waterfall sink to see / show 57 kHz RDS carrier
(also for fun / getting experience).

The waterfall sink only shows a blue screen. Tried different range
settings, different ref scale settings and FFT sizes. Stole the settings
from this example
http://www.kj6msg.com/2013/09/gnu-radio-rtl-sdr-and-mac-os-x.html but still
no output. The waterfall also shows no scale information or labels.

Found another problem about this on the list where the question was what
happened if a signal source was connected to the waterfall sink without
anything else, I tried that also but even there only a blue screen is
filled but no signal and no labels and so on are showed.

The output window is here:
http://www.pe2bz.nl/hamradio/uploads/images/Selectie_001.png

Thanks for any advice,


Ben
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Re: [Discuss-gnuradio] Using gr-atsc library

[Yuri P.M]

Hi Mr. Muniz,

Thanks for the help and the tips.

After the changes suggested by Mr. Braun, I've tried to add the lines of
code in the file meusBlocos_swig.i you suggested (in the /swig folder) as
the file attached. I did these modifications as suggested in the topic that
I mentioned in my first question:
http://lists.gnu.org/archive/html/discuss-gnuradio/2013-09/msg00316.html

But then I got these errors:

/home/aluno/Public/meusBlocos/
gr-meusBlocos/include/meusBlocos/rs_encoder.h:33: Error: Syntax error in
input(1).
make[2]: *** [swig/meusBlocos_swigPYTHON_wrap.cxx] Error 1
make[1]: *** [swig/CMakeFiles/_meusBlocos_swig.dir/all] Error 2
make: *** [all] Error 2

I will try to find out what they mean.

Again, thanks for the help and the consideration.


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Re: [Discuss-gnuradio] can't use ControlPort in gnuradio 3.7

[Martin Braun (CEL)]

On Sun, Nov 24, 2013 at 03:33:36PM +0400, nesimi eldarov wrote:
> Hi Martin,
> 
> I installed from source. 
> I look into build folder I could not find ControlPort. I guess it was disabled
> during installation but I am not sure.
> 
> What do you mean with ' pastebin the cmake output '?

It means you copy and paste the output of running cmake to a service
like pastebin.com so we can inspect it.

MB

-- 
Karlsruhe Institute of Technology (KIT)
Communications Engineering Lab (CEL)

Dipl.-Ing. Martin Braun
Research Associate

Kaiserstraße 12
Building 05.01
76131 Karlsruhe

Phone: +49 721 608-43790
Fax: +49 721 608-46071
www.cel.kit.edu

KIT -- University of the State of Baden-Württemberg and
National Laboratory of the Helmholtz Association


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[Discuss-gnuradio] Volk machine

[Paul B. Huter]

When running with a USRP source at 25M and a low pass filter down to 10MHz,
I get something saying "Using Volk machine: sse4_a_64", and my file sink
only records a couple seconds of data. I ran the volk_profile script, but
still get the same result. The script returned something other than
"sse4_a_64" as the best volk to use. My GNU Radio seems to have trouble
reading configuration files, so is there a way to manually point to the
volk parameter to use when I load GNU Radio?

Paul B. Huter
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[Discuss-gnuradio] Install failing on Ubuntu 12.04/AMD64

[Mads Bahrt]

I have tried to install GNU Radio on my Ubuntu 12.04 AMD64 laptop.

Reading http://gnuradio.org/redmine/projects/gnuradio/wiki/InstallingGR I
have run:

$ sudo apt-get install gnuradio
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package gnuradio is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'gnuradio' has no installation candidate

Looking on
http://packages.ubuntu.com/search?suite=all§ion=all&arch=any&keywords=Gnuradio&searchon=namesit
seems that the gnuadio package is not available for the precise
(12.04)
version of Ubuntu. This would explain the error I got. Is this correctly
interpreted?

I have been searching the net to see if I could find any solutions. I found
http://stackoverflow.com/questions/20041366/unable-to-locate-package-gnuradio-ubuntu-12-04which
might be same problem, although the poster doesn't show his output
from . The suggested solution is to ettus repositories. This seems to be a
case of symptom treatment when the installation guide indicates that
gnuradio already should be in the standard repository.

I could try to build from source, but since installing from a package
repository is recommended at
http://gnuradio.org/redmine/projects/gnuradio/wiki/InstallingGRFromSource I
am still pursuing this approach.

If the reason for my problems is that there are no package for 12.04 the
documentation should really be updated to reflect this.

Cheers

Mads
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Re: [Discuss-gnuradio] Install failing on Ubuntu 12.04/AMD64

[Marcus D. Leech]

On 11/24/2013 08:06 PM, Mads Bahrt wrote:

I have tried to install GNU Radio on my Ubuntu 12.04 AMD64 laptop.

Reading 
http://gnuradio.org/redmine/projects/gnuradio/wiki/InstallingGR I have 
run:


$ sudo apt-get install gnuradio
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package gnuradio is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'gnuradio' has no installation candidate

Looking on 
http://packages.ubuntu.com/search?suite=all§ion=all&arch=any&keywords=Gnuradio&searchon=names 
 
it seems that the gnuadio package is not available for the precise 
(12.04) version of Ubuntu. This would explain the error I got. Is this 
correctly interpreted?


I have been searching the net to see if I could find any solutions. I 
found 
http://stackoverflow.com/questions/20041366/unable-to-locate-package-gnuradio-ubuntu-12-04 
which might be same problem, although the poster doesn't show his 
output from . The suggested solution is to ettus repositories. This 
seems to be a case of symptom treatment when the installation guide 
indicates that gnuradio already should be in the standard repository.


I could try to build from source, but since installing from a package 
repository is recommended at 
http://gnuradio.org/redmine/projects/gnuradio/wiki/InstallingGRFromSource 
I am still pursuing this approach.


If the reason for my problems is that there are no package for 12.04 
the documentation should really be updated to reflect this.


Cheers

Mads


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For Ubuntu, it's in "Universe", which if you don't have installed, 
apt-get won't see it.


But this raises a kind of meta-point.  How is the Gnu Radio project 
supposed to keep track of each of *dozens* of Linux distributions that 
may, or
  may not, package the Gnu Radio software, and may, *entirely at their 
pleasure* obsolete those packages, or move them around?


It's not the members of the Gnu Radio project who (in general) package 
Gnu Radio for distribution "foo", but rather the "packaging team" for
  distribution "foo".  We may, or may not, get any kind of 
communication or feedback from those packagers about Gnu Radio--which 
versions they've

  packaged, whether they've packaged it at all, etc, etc.



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

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[Discuss-gnuradio] Weird malloc/free crash in pm_remez.cc

[Josh Myer]

Hi all,

I’ve got an annoying crash in the current head of gnuradio.  It’s reproducible 
with the GRC file up at:

http://www.joshisanerd.com/am_demod_crash.grc

Does this crash for anyone else?  If nobody else can repro, this is probably 
something that’s hosed in my environment.  Until someone else can confirm this, 
it’s probably not worth looking into for anyone else.

For me, the crash is at pm_remez.cc:698, the free(Grid) call in the error 
handler.  (It’s coming from an error code of -2, which is probably due to my 
putting in totally insane parameters or some such.)

The odd thing is that it doesn’t look like it should be crashing in this code 
path.  The pointer it’s freeing is totally fine when I step through with gdb: 
the same as the malloc’d value, and no intervening free() calls, yet it’s still 
crashing when it gets free()’d.  When I move the free(Grid) line around, the 
crash follows it.  It doesn’t look like anything else is getting screwed up, so 
I don’t know what to make of this.

(FWIW, my goal is to poke around at decoding RDS.  I’ve removed a lot of stuff 
to get down to this minimal program that shows the problem.  I’ve gotten the AM 
demod stuff sorta working in ipython, and am now trying to port it back to 
gnuradio… pointers on anything that’s clearly wrong with my design there would 
be appreciated.)
—
/jbm
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Re: [Discuss-gnuradio] Install failing on Ubuntu 12.04/AMD64

[Johnathan Corgan]

On 11/24/2013 05:17 PM, Marcus D. Leech wrote:

> But this raises a kind of meta-point.  How is the Gnu Radio project
> supposed to keep track of each of *dozens* of Linux distributions that
> may, or
>   may not, package the Gnu Radio software, and may, *entirely at their
> pleasure* obsolete those packages, or move them around?
> 
> It's not the members of the Gnu Radio project who (in general) package
> Gnu Radio for distribution "foo", but rather the "packaging team" for
>   distribution "foo".  We may, or may not, get any kind of communication
> or feedback from those packagers about Gnu Radio--which versions they've
>   packaged, whether they've packaged it at all, etc, etc.

We routinely get mail from some distribution packagers about downstream
issues/decisions.  Maitland Bottoms for Debian is good about this, we
hear and get patches from Jaroslav Skarvada from Redhat, the Arch
maintainer (sorry, forgot the name) pops up in here on occasion, etc.

It really is up to them to send issues upstream to us, not the other way
around.  I try to listen closely to and work with those that do.

-- 
Johnathan Corgan, Corgan Labs
SDR Training and Development Services
http://corganlabs.com
<>

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Re: [Discuss-gnuradio] Volk machine

[Nick Foster]

Your file sink only records a few seconds of data because your hard drive
can't keep up, not because of any problem with Volk. The Volk machine being
used does not indicate which particular architecture is used for each
kernel -- that isn't printed at runtime.

--n
On Nov 24, 2013 9:58 PM, "Paul B. Huter"  wrote:

> When running with a USRP source at 25M and a low pass filter down to
> 10MHz, I get something saying "Using Volk machine: sse4_a_64", and my file
> sink only records a couple seconds of data. I ran the volk_profile script,
> but still get the same result. The script returned something other than
> "sse4_a_64" as the best volk to use. My GNU Radio seems to have trouble
> reading configuration files, so is there a way to manually point to the
> volk parameter to use when I load GNU Radio?
>
> Paul B. Huter
>
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