[Discuss-gnuradio] gqrx / gnuradio / BladeRF

2013-10-01 Thread Ralph A. Schmid, dk5ras
Hi,

Not exactly the perfect list for it, but as the specialists are all here in
this list, it somehow should fit :)

When using gqrx with the BladeRF I observe that tuning takes "ages". Every
entered or changed frequency digit takes almost one second to be accepted,
and I mean to remember that directly out of gnuradio this is much faster,
although usually I do there no live tuning, but sending the frequency to the
unit just once, out of a block. When using the USRP1 with WBX or a
RTL2832/E4000 receiver, tuning occurs without noticeable delay.

Bug or feature? :-)

With best regards

Ralph.



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Re: [Discuss-gnuradio] [Openlte-discuss] Error while building openLTE code on USRP

2013-10-01 Thread Ben Wojtowicz
Dincer,

I believe that you will need to add a resampler to the openLTE code in
order to run on a USRP.  I don't have a USRP myself, but I believe that
they only allow sample rates that are integer divisions of 100Msps (except
the USRP B200 series).  In order to get a valid LTE sample rate (30.72,
15.36, 7.68, 3.84, or 1.92Msps), you will need to add a resampling block.

As you mentioned, I am using the gr-osmosdr blocks to interface currently
to rtl-sdr and hackRF.  There is support in gr-osmosdr for USRP, but it
will need to be handled in the flowgraph.

Hope this helps,
Ben


On Mon, Sep 30, 2013 at 7:21 AM, Dincer Beken  wrote:

>  Sorry but I think I mailed to early.
>
> ** **
>
> On a normal gnuradio distribution from the build-gnuradio.py -m” code on
> Fedora, I did not experience the problems while build and install. 
>
> I am checking out the code right now..
>
> ** **
>
> Regarding OSMO and RTL-SDR, I did understand it like the libraries can
> detect and work with USRP, so that’s probably clear, too.
>
> When using those libraries with USRP, are there any specific changes that
> I should make for some blocks etc.?
>
> ** **
>
> Regards,
>
> Dincer
>
> 
>
> ** **
>
> *Von:* discuss-gnuradio-bounces+dbeken=blackned...@gnu.org [mailto:
> discuss-gnuradio-bounces+dbeken=blackned...@gnu.org] *Im Auftrag von *Dincer
> Beken
> *Gesendet:* Montag, 30. September 2013 13:42
> *An:* openlte-disc...@lists.sourceforge.net
> *Cc:* Discuss-gnuradio@gnu.org
> *Betreff:* [Discuss-gnuradio] Error while building openLTE code on USRP***
> *
>
> ** **
>
> Hi all, 
>
> ** **
>
> I am new to Gnuradio and USRP. I want to try the openLTE Project on my
> USRP N210.
>
> ** **
>
> During the cmake process I am getting the following errors:
>
> ** **
>
> CMake Warning at CMakeLists.txt:92 (find_package): Could not find a
> configuration file for package "Gnuradio" that is compatible with requested
> version "3.7.0".
>
> The following configuration files were considered but not accepted:
>
> /usr/local/lib/cmake/gnuradio/GnuradioConfig.cmake, version: 3.8.git.0
>
> ** **
>
> ** **
>
> Also since I am not using one of the following devices:
>
> I also get :
>
> ** **
>
> -- checking for module 'gnuradio-osmosdr' -- package 'gnuradio-osmosdr'
> not found -- Could NOT find GNURADIO_OSMOSDR (missing:
> GNURADIO_OSMOSDR_LIBRARIES GNURADIO_OSMOSDR_INCLUDE_DIRS) -- checking for
> module 'librtlsdr' -- package 'librtlsdr' not found -- Could NOT find
> RTLSDR (missing: RTLSDR_LIBRARIES RTLSDR_INCLUDE_DIRS) -- checking for
> module 'libhackrf' -- package 'libhackrf' not found -- Could NOT find
> HACKRF (missing: HACKRF_LIBRARIES HACKRF_INCLUDE_DIRS) -- checking for
> module 'fftw3f >= 3.0' -- found fftw3f , version 3.3 -- Found FFTW3F:
> /usr/lib/libfftw3f.so CMake Error at CMakeLists.txt:99 (message): GNURadio
> required to compile openLTE
>
> ** **
>
> ** **
>
> ** **
>
> After that, I changed in the cmake file the required Gnuradio Version
> manually to 3.8. Now I am getting only the OSMO / RTL errors:
>
> ** **
>
> **· **-- checking for module 'gnuradio-osmosdr' -- package
> 'gnuradio-osmosdr' not found -- Could NOT find GNURADIO_OSMOSDR (missing:
> GNURADIO_OSMOSDR_LIBRARIES GNURADIO_OSMOSDR_INCLUDE_DIRS) -- checking for
> module 'librtlsdr' -- package 'librtlsdr' not found -- Could NOT find
> RTLSDR (missing: RTLSDR_LIBRARIES RTLSDR_INCLUDE_DIRS) -- checking for
> module 'libhackrf' -- package 'libhackrf' not found -- Could NOT find
> HACKRF (missing: HACKRF_LIBRARIES HACKRF_INCLUDE_DIRS) CMake Error at
> CMakeLists.txt:103 (message): GNURadio Osmosdr required to compile openLTE (
> http://sdr.osmocom.org/trac/wiki/GrOsmoSDR)
>
> ** **
>
> ** **
>
> From the discuss Forum of gnuradio, I read that it is possible to run it
> with USRP (USRP2) 
>
> ** **
>
> https://www.ruby-forum.com/topic/4169390#new
>
> ** **
>
> ** **
>
> How can I ignore those libraries or replace them?
>
> And can I use this code on the USRP?
>
> ** **
>
> Regards,
>
> Dincer
>
> ** **
>
> ** **
>
> Mit freundlichen Grüßen,
>
> Dincer Beken
>
> ** **
>
> e-mail: dbe...@blackned.de
> tel.: +49 833199596-26
>
>
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>
> *
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Re: [Discuss-gnuradio] gqrx / gnuradio / BladeRF

2013-10-01 Thread Brian Padalino
Hi Ralph,

I've noticed that as well, and we need to fix it.  I believe it's a
bug.  Not sure if it's in libbladeRF or gr-osmosdr, but we're on it.

Sorry for the inconvenience.

Brian

On Tue, Oct 1, 2013 at 3:14 AM, Ralph A. Schmid, dk5ras
 wrote:
> Hi,
>
> Not exactly the perfect list for it, but as the specialists are all here in
> this list, it somehow should fit :)
>
> When using gqrx with the BladeRF I observe that tuning takes "ages". Every
> entered or changed frequency digit takes almost one second to be accepted,
> and I mean to remember that directly out of gnuradio this is much faster,
> although usually I do there no live tuning, but sending the frequency to the
> unit just once, out of a block. When using the USRP1 with WBX or a
> RTL2832/E4000 receiver, tuning occurs without noticeable delay.
>
> Bug or feature? :-)
>
> With best regards
>
> Ralph.
>
>
>
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Re: [Discuss-gnuradio] gqrx / gnuradio / BladeRF

2013-10-01 Thread Ralph A. Schmid, dk5ras

Hi,

> Hi Ralph,
> 
> I've noticed that as well, and we need to fix it.  I believe it's a
> bug.  Not sure if it's in libbladeRF or gr-osmosdr, but we're on it.

OK, great to hear.

> Sorry for the inconvenience.

Huh?! Early adopters we are, guess this is normal :-)

Is there are dedicated mailing list for BladeRF? The forum is so
inconvenient... Or should we keep it here?

> Brian

Ralph.


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Re: [Discuss-gnuradio] wxgui issue with Windows version of GR-companion

2013-10-01 Thread Nicholas Corgan
Our build system is having issues with the GNU Radio Windows installers.
We're currently working on a solution.


On Sun, Sep 29, 2013 at 5:05 PM, Rasz  wrote:

> Same problem here, fresh install yesterday.
> Examples loaded from
> C:\Program Files (x86)\gnuradio\share\gnuradio\examples
> work fine
> anything from the desktop (including same examples) gives ImportError:
> No module named wxgui_swig
>
>
> --
> Who logs in to gdm? Not I, said the duck.
>
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Re: [Discuss-gnuradio] [Openlte-discuss] Error while building openLTE code on USRP

2013-10-01 Thread Dincer Beken
Hi Ben,

thank you for your answer.

My previous question was bit strange.

There are to functions of you, once the dl_file_scan and once the only dl_scan 
function.

I did undertood that the dl_file_scan function kinda works with USRP, but I was 
not sure about the dl_scan function.

I read here that dl_scan does not support USRP:
http://sourceforge.net/p/openlte/mailman/message/30559702/

Is it still valid: Does the dl_scan function still not suppoert USRP?

OR can we by adding the resampler block run it?
When I did run the dl_scan function, it (probably the osmo code) recognized the 
USRP2/N-SERIES device and got overflow alerts ("D").
I don't undertand, if that means that the dl_scan function works with the 
USRP2/N but needs some resampling?

So from your mail, I thought first the addition of the "resampler" is only 
valid for the dl_file_scan function, till I managed to run the dl_scan, 
thatswhy I am confused.


Lastly, (this is probably my job).
I don't know if one can create from your source files grc flowcharts. I looking 
for that right now. Then, it would be "easy" to add a resampling block to your 
code.
If not, could you also please give a hint about how it can be done in your 
source code?

Regards, Dincer
Von: Ben Wojtowicz [mailto:bwojt...@gmail.com]
Gesendet: Dienstag, 1. Oktober 2013 14:47
An: Dincer Beken
Cc: openlte-disc...@lists.sourceforge.net; Discuss-gnuradio@gnu.org
Betreff: Re: [Openlte-discuss] Error while building openLTE code on USRP

Dincer,
I believe that you will need to add a resampler to the openLTE code in order to 
run on a USRP.  I don't have a USRP myself, but I believe that they only allow 
sample rates that are integer divisions of 100Msps (except the USRP B200 
series).  In order to get a valid LTE sample rate (30.72, 15.36, 7.68, 3.84, or 
1.92Msps), you will need to add a resampling block.
As you mentioned, I am using the gr-osmosdr blocks to interface currently to 
rtl-sdr and hackRF.  There is support in gr-osmosdr for USRP, but it will need 
to be handled in the flowgraph.
Hope this helps,
Ben

On Mon, Sep 30, 2013 at 7:21 AM, Dincer Beken 
mailto:dbe...@blackned.de>> wrote:
Sorry but I think I mailed to early.

On a normal gnuradio distribution from the build-gnuradio.py -m" code on 
Fedora, I did not experience the problems while build and install.
I am checking out the code right now..

Regarding OSMO and RTL-SDR, I did understand it like the libraries can detect 
and work with USRP, so that's probably clear, too.
When using those libraries with USRP, are there any specific changes that I 
should make for some blocks etc.?

Regards,
Dincer

Von: 
discuss-gnuradio-bounces+dbeken=blackned...@gnu.org 
[mailto:discuss-gnuradio-bounces+dbeken=blackned...@gnu.org]
 Im Auftrag von Dincer Beken
Gesendet: Montag, 30. September 2013 13:42
An: 
openlte-disc...@lists.sourceforge.net
Cc: Discuss-gnuradio@gnu.org
Betreff: [Discuss-gnuradio] Error while building openLTE code on USRP

Hi all,

I am new to Gnuradio and USRP. I want to try the openLTE Project on my USRP 
N210.

During the cmake process I am getting the following errors:


CMake Warning at CMakeLists.txt:92 (find_package): Could not find a 
configuration file for package "Gnuradio" that is compatible with requested 
version "3.7.0".

The following configuration files were considered but not accepted:

/usr/local/lib/cmake/gnuradio/GnuradioConfig.cmake, version: 3.8.git.0


Also since I am not using one of the following devices:
I also get :

-- checking for module 'gnuradio-osmosdr' -- package 'gnuradio-osmosdr' not 
found -- Could NOT find GNURADIO_OSMOSDR (missing: GNURADIO_OSMOSDR_LIBRARIES 
GNURADIO_OSMOSDR_INCLUDE_DIRS) -- checking for module 'librtlsdr' -- package 
'librtlsdr' not found -- Could NOT find RTLSDR (missing: RTLSDR_LIBRARIES 
RTLSDR_INCLUDE_DIRS) -- checking for module 'libhackrf' -- package 'libhackrf' 
not found -- Could NOT find HACKRF (missing: HACKRF_LIBRARIES 
HACKRF_INCLUDE_DIRS) -- checking for module 'fftw3f >= 3.0' -- found fftw3f , 
version 3.3 -- Found FFTW3F: /usr/lib/libfftw3f.so CMake Error at 
CMakeLists.txt:99 (message): GNURadio required to compile openLTE



After that, I changed in the cmake file the required Gnuradio Version manually 
to 3.8. Now I am getting only the OSMO / RTL errors:


* -- checking for module 'gnuradio-osmosdr' -- package 
'gnuradio-osmosdr' not found -- Could NOT find GNURADIO_OSMOSDR (missing: 
GNURADIO_OSMOSDR_LIBRARIES GNURADIO_OSMOSDR_INCLUDE_DIRS) -- checking for 
module 'librtlsdr' -- package 'librtlsdr' not found -- Could NOT find RTLSDR 
(missing: RTLSDR_LIBRARIES RTLSDR_INCLUDE_DIRS) -- checking for module 
'libhackrf' -- package 'libhackrf' not found -- Could NOT find HACKRF (missing: 
HACKRF_LIBRARIES HACKRF_INCLUDE_DIRS) CMake Error at CMakeLists.txt:103 

Re: [Discuss-gnuradio] gqrx / gnuradio / BladeRF

2013-10-01 Thread Brian Padalino
On Tue, Oct 1, 2013 at 10:41 AM, Ralph A. Schmid, dk5ras
 wrote:
>
> Hi,
>
>> Hi Ralph,
>>
>> I've noticed that as well, and we need to fix it.  I believe it's a
>> bug.  Not sure if it's in libbladeRF or gr-osmosdr, but we're on it.
>
> OK, great to hear.
>
>> Sorry for the inconvenience.
>
> Huh?! Early adopters we are, guess this is normal :-)
>
> Is there are dedicated mailing list for BladeRF? The forum is so
> inconvenient... Or should we keep it here?

There is an IRC channel on freenode, #bladerf, which has decent
activity.  No mailing list yet.  I agree the forum is not ideal.

Best bet is through IRC and/or using the issue tracker on github.

Brian

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[Discuss-gnuradio] Segmentation fault issue with gr_hier_block2_detail::connect

2013-10-01 Thread Naceur
Hello GNU-Radio list,

I wonder why is my C++ code is thorwing a segmentation fault (core dumped),
gdb outputs:

Program received signal SIGSEGV, Segmentation fault.
0xb7b1b718 in
gr_hier_block2_detail::connect(boost::shared_ptr, int,
boost::shared_ptr, int) ()
   from /usr/local/lib/libgnuradio-core-3.6.5.so.0.0.0

I confirm that the same line of code which is throwing that error is
executed multiple (randomly) times before it came to that error.

I can't figure out what is causing that and how to fix it ?   
All explanation are welcome.

Regards,



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Re: [Discuss-gnuradio] Segmentation fault issue with gr_hier_block2_detail::connect

2013-10-01 Thread Naceur
And when I run again sometimes it stops and throw another segfault in the
same location but labeled:

Program received signal SIGSEGV, Segmentation fault.
0xb7af75f3 in gr_flowgraph::check_dst_not_used(gr_endpoint const&) () from
/usr/local/lib/libgnuradio-core-3.6.5.so.0.0.0



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Re: [Discuss-gnuradio] Segmentation fault issue with gr_hier_block2_detail::connect

2013-10-01 Thread Marcus Müller

Could you provide us with a backtrace (in GDB: "bt") and if possible with the 
code that you use to produce this error.
Usually, connect does not cause segfaults, a problem arises if you a) connect a 
block that does not exist yet (eg. in its constructor) b) connect a block in 
multiple flowgraphs.

Greetings,
Marcus

On 10/01/2013 08:18 PM, Naceur wrote:

Hello GNU-Radio list,

I wonder why is my C++ code is thorwing a segmentation fault (core dumped),
gdb outputs:

Program received signal SIGSEGV, Segmentation fault.
0xb7b1b718 in
gr_hier_block2_detail::connect(boost::shared_ptr, int,
boost::shared_ptr, int) ()
from /usr/local/lib/libgnuradio-core-3.6.5.so.0.0.0

I confirm that the same line of code which is throwing that error is
executed multiple (randomly) times before it came to that error.

I can't figure out what is causing that and how to fix it ?
All explanation are welcome.

Regards,



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Re: [Discuss-gnuradio] Segmentation fault issue with gr_hier_block2_detail::connect

2013-10-01 Thread Naceur
Thank you Marcus for the reply,

I just figured out where was the problem: 
I am TWICE instantiating an object (a shared pointer) outside an if loop
and inside of it, 

And for the backtrace it gives me that
... in main (argc=, 
argv=) ...

Actually I fixed the issue.

Cheers



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