[Discuss-gnuradio] Tutorial: PSK Symbol Recovery - test 3 - qa_qpsk_demod (Failed)

Hi, Using Ubuntu 16.10 with GnuRadio 3.7.9, installed from the repo, I was trying to follow the Guided tutorial PSK Symbol Recovery . I cloned it from github https://github.com/gnuradio/gr-tutorial.git and then

Re: [Discuss-gnuradio] How to contribute to GNU Radio in 5 mins or less per day!

Hi, I tried to login with github but it didn't work. I've created an account now but you might want to have a look at that. Cheers, Murray On 20 March 2017 at 05:54, Martin Braun wrote: > You know those fake diet ads? Well, this is legit: > > Have you ever thought, hey, I'd like to contribute

[Discuss-gnuradio] gr-cdma doxygen build

Hi, I'm trying to build gr-cdma in Ubuntu 16.04 following the instructions in https://github.com/anastas/gr-cdma. I can build it with cmake -DENABLE_DOXYGEN=OFF "PATH TO YOUR gr-cdma TRUNK" But when I enable doxygen it fails. I have installed sudo apt install doxygen doxygen-doc doxygen-gui doxyg

Re: [Discuss-gnuradio] gr-cdma doxygen build

Thanks for your reply Achilleas. Do you have a compiled version of the documentation you could share? A pdf or html format would be very handy if I can't solve the problem. Regards, Murray On 29 March 2017 at 18:21, Achilleas Anastasopoulos wrote: > Hi Murray, > > although I am the author of gr

Re: [Discuss-gnuradio] gr-cdma doxygen build

Thanks very much Marcus! I appreciate it. Cheers, Murray On 30 March 2017 at 14:48, Marcus Müller wrote: > Hi Morris, hi Achilleas, > > git clone https://gist.github.com/b9293dc835ace87f9a1a46daabe4cd4f > > Cheers, > > Marcus > > On 03/29/2017 11:26 PM, Murray Th

Re: [Discuss-gnuradio] Implications of continuously un/muting tx stream

Have you tried without the throttle block? With that source I don't think you need one. On 12 May 2017 at 22:33, Cinaed Simson wrote: > On 05/12/2017 01:07 PM, Santos Campos wrote: > > (Additional info: Ettus B200, running over usb 3 port, XU4 uP: 8 core[4 > > @ 4GHz, 4 ]) > > Actually, odroid-X

Re: [Discuss-gnuradio] How to start and stop recording without exiting the flowgraph

Hi, I tried to follow Carl's suggestion to record a wav file but it didn't work for me. The first time I change the check box the wav file sink will stop working forever. File sinks works fine. Will Martin's suggestion work for wav files or does anyone have another suggestion to record wav files o

Re: [Discuss-gnuradio] filename in file source from GRC and automatic clear reports?

Hi, 1) In grc, try the import block with: import datetime and in the file name put: datetime.datetime.now().strftime("%Y-%m-%d-%H:%M") or similar depending on the format that you want. You'll find a more detailed explanation here: http://stackoverflow.com/questions/311627/how-to-print-date-in-a-r

[Discuss-gnuradio] gnuradio-companion-3.7.7.1 debian package

Hi, I need a GnuRadio debian package for version 3.7.7.1 to be installed in many different computers. I've tried creating it myself but I run into many difficulties. For example the command gnuradio-config-info --prefix --prefsdir --sysconfdir was pointing to the folder where I created the debian.

Re: [Discuss-gnuradio] gnuradio-companion-3.7.7.1 debian package

fake > root directory using > make > make install DESTDIR=/home/murray/fake_root/whatever > > That will only bend around the paths where files are copied to, not the > paths contained in the files themselves > > Best regards, > Marcus > > > On 06/19/2015 11:06 AM,

Re: [Discuss-gnuradio] gnuradio-companion-3.7.7.1 debian package

years old... > I wish I could upgrade my Ubuntu but I'm stack with 12.04 for other reasons. I'll try the pybombs way and also the same method for gnuradio 3.7.5 to check that I get the same error > > Best regards, > Marcus > Thank you for your help Murray > >

Re: [Discuss-gnuradio] gnuradio-companion-3.7.7.1 debian package

ant to compare the "ldd $(...)" output of both > systems, especially the individual paths of the libraries. Did you happen > to build a custom boost on the second machine at some point? > > Best regards, > Marcus > > > On 06/19/2015 05:27 PM, Murray Thomson wrote: >

[Discuss-gnuradio] ALC662 audio card causes underruns and overruns

Hi, I have a flow graph that receives, demodulates and filters a signal before sending it to the audio card. It's been working in a single board, single core, computer with an audio card ALC888 for months. I occasionally had underrun messages, specially when changing filter parameters. This messag

Re: [Discuss-gnuradio] ALC662 audio card causes underruns and overruns

ong wrote: > > Make sure you're using 'plughw:' for the audio device so the driver > > does resampling (check ALSA docs). Without looking at the flowgraph, > > I'd guess this is a clock domain problem and your new computer (and > > audio card) clocks are

[Discuss-gnuradio] Throttle block form wav files

Hi, I'm using a flow graph with no GUI to demodulate a signal. I have a selector block that allows me to select the source of the signal between the audio card and a wav file. I can change the source using an xmlrpc server/client. If I don't use a throttle block with the wav file, the flow graph

Re: [Discuss-gnuradio] Throttle block form wav files

On 3 September 2015 at 16:43, Kevin Reid wrote: > On Sep 3, 2015, at 8:24, Murray Thomson > wrote: > > > Even selecting source and sink from the audio card, if I have a wav file > playing in another input of the selector without a throttle, the CPU goes > to 100%. To avoid

Re: [Discuss-gnuradio] Throttle block form wav files

On 3 September 2015 at 17:04, Murray Thomson wrote: > > On 3 September 2015 at 16:43, Kevin Reid wrote: > >> On Sep 3, 2015, at 8:24, Murray Thomson >> wrote: >> >> > Even selecting source and sink from the audio card, if I have a wav >> file playing

Re: [Discuss-gnuradio] Throttle block form wav files

On 7 September 2015 at 15:32, Kevin Reid wrote: > On Sep 7, 2015, at 5:42, Murray Thomson > wrote: > > >> 1. Using some method to force the wav source and audio source to match > sample rates. Specifically, you could use a “Multiply by Matrix” block to > replace the

Re: [Discuss-gnuradio] Renaming PyBOMBS

On Dec 22, 2015 8:31 PM, "Tim" gmail.com > wrote: > > Martin, > Excited to see pybombs2 emerging as stable ! > A few thoughts on the naming below -- > -Tim > > On 12/22/2015 03:10 PM, Martin Braun wrote: > > There's been some demand to rename PyBOMBS, and now that we're > > re-releasing it, this i

[Discuss-gnuradio] Correct multiple audio cards clock differences

Hi, I'm using three audio cards in my flow graph. The internal and a USB audio cards run at 96 kHz and I use a virtual audio card with 5 subdevices loading the snd_aloop kernel module that runs at 48 kHz. I've noticed that after some days of running there seems to be a delay (around 1 second) pro

Re: [Discuss-gnuradio] Correct multiple audio cards clock differences

7;d rather lose few samples then > seeing a growing delay and then lose a bigger bunch of samples. > > Best regards, > Marcus > > > On 01/13/2016 08:30 AM, Murray Thomson wrote: > > Hi, > > I'm using three audio cards in my flow graph. The internal and a USB audio >

[Discuss-gnuradio] Resample block for audio signal

Hi, This is probably an easy one but I'm stuck and i could do with some help. My goal is to get a musical note from the microphone and shift its frequency to transform the note to a different scale. For this to happen, I need to multiply all the frequencies for e.g. 1.5. I can achieve an octave o

Re: [Discuss-gnuradio] Resample block for audio signal

: Sun, 13 Mar 2016 12:29:07 + > > From: Murray Thomson > > Hi Murray, > > > > > Hi, > > > > This is probably an easy one but I'm stuck and i could do with some help. > > My goal is to get a musical note from the microphone and shift its > >

[Discuss-gnuradio] Fwd: QT sink in xmlrpc client

Hi, I have gnuradio running in a device with no gui. I've added a xmlrcp_server to that computer and a xmlrpc_client to my desktop to control the variables. I would like to add a QT GUI Sink to visualize data in the client. Could anyone tell me if this is possible and point me to the related docum

[Discuss-gnuradio] Circular dependency caught in sort_variables only String type

Hi, I'm getting this error with string type variables using gnuradio 3.7.5 and I cannot figure out how to solve it. I'm using a normal variable plus a config variable in this way: Variable: id: variable_A value: config_variable_A Variable Config: id: config_variable_A ... WriteBac

Re: [Discuss-gnuradio] Circular dependency caught in sort_variables only String type

lad to know it wasn't something I did > wrong. > > On Mon, Oct 6, 2014 at 8:00 AM, Tom Rondeau wrote: > >> On Mon, Oct 6, 2014 at 4:39 AM, Murray Thomson < >> murraythomson...@gmail.com> wrote: >> >>> Hi, >>> >>> I'm getting this

Re: [Discuss-gnuradio] Circular dependency caught in sort_variables only String type

Thanks for the explanation Tom. Regards, Murray On 7 October 2014 16:30, Tom Rondeau wrote: > On Tue, Oct 7, 2014 at 8:14 AM, Murray Thomson > wrote: > >> Thanks for your comments, >> >> Is there an open issue for this problem? Is this a bug or am I doing >>

[Discuss-gnuradio] Edit GNU Radio Companion generated Python script location

Hi, I have a couple of blocks and a flow graph that uses them. When I generate the flow graph of a block using GNU Radio Companion, the Python script is generated at ~/.grc_gnuradio/block1.py The same thing happens with the flow graph but, in addition, the call to my blocks inside the generated Py

[Discuss-gnuradio] Stop xmlrpc server

Hi, When I add an xmlrpc server block in GnuRadio 3.7.5, I'm not able to stop the flow graph pressing Enter any more. I have to manually add the shutdown call to the server in the generated script (see below). Am I doing something wrong, is it expected or is this a bug? ... raw_input('Press E

Re: [Discuss-gnuradio] Edit GNU Radio Companion generated Python script location

ks to ~/.grc_gnuradio Can you think of anything else I could try? I've tried with Ubuntu 12.04 and Ubuntu 14.04. Thanks, Murray On 30 December 2014 at 17:15, Tom Rondeau wrote: > On Mon, Dec 29, 2014 at 8:21 AM, Murray Thomson < > murraythomson...@gmail.com> wrote: >> >> H

Re: [Discuss-gnuradio] Edit GNU Radio Companion generated Python script location

.@kit.edu> wrote: > >> >> -BEGIN PGP SIGNED MESSAGE- >> Hash: SHA256 >> >> On 02/12/2015 09:19 AM, Murray Thomson wrote: >> > But my grc companion 3.7.6.1 keeps compiling the blocks to > >> ~/.grc_gnuradio Can you think of anything else

Re: [Discuss-gnuradio] Newbie problem

Hey Mike, If you suspect that you have problems with libraries, maybe you want to run the install script with the prereqs option to install all the dependencies. wget http://www.sbrac.org/files/build-gnuradio && chmod a+x ./build-gnuradio && ./build-gnuradio prereqs Thanks, Murray On 18 Februa

[Discuss-gnuradio] Grcc from ssh session

Hi, I'm want to use grcc from an ssh session but I get the error importing the module Colors.py. I've seen this thread http://lists.gnu.org/archive/html/discuss-gnuradio/2013-06/msg00361.html about it. I'm using 3.7.5 and it seems like the patch it's been applied to the source code already. There

Re: [Discuss-gnuradio] Grcc from ssh session

like my flowgraph needs Colors after all but I don't know why because it doesn't have a GUI. Thanks, Murray On 20 February 2015 at 10:27, Koslowski, Sebastian (CEL) < sebastian.koslow...@kit.edu> wrote: > > -BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > On 0

[Discuss-gnuradio] 3.7.7 and ControlPort

Hi, Anyone knows if we´ll get controlport back in 3.7.7? Thanks, Murray ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] 3.7.7 and ControlPort

master >> branch of the source repository soon after, for an eventual 3.7.8 release. >> >> On Sun, Mar 29, 2015 at 3:36 AM, Murray Thomson < >> murraythomson...@gmail.com> wrote: >> >>> Hi, >>> >>> Anyone knows if we´ll get controlport ba

[Discuss-gnuradio] Bitbaking GnuRadio with meta-sdr master issues

Hello, I have built the gnuradio-dev-image for an arm machine and I wanted to share a couple of small issues that I found in the process. - The meta-sdr/conf/bblayers.conf.sample doesn't include all the layers needed. This is correctly warned in the README file of the layer. I've attached the fil

Re: [Discuss-gnuradio] Bitbaking GnuRadio with meta-sdr master issues

ter wrote: > > > On 04/19/2015 11:07 AM, Murray Thomson wrote: > > Hello, > > > > I have built the gnuradio-dev-image for an arm machine and I wanted to > > share a couple of small issues that I found in the process. > > > > - The meta-sdr/conf/bblayer

Re: [Discuss-gnuradio] Bitbaking GnuRadio with meta-sdr master issues

t; around that's the starting place. > > Cheers, > -Nathan > > > On Sun, Apr 19, 2015 at 6:10 PM, Murray Thomson < > murraythomson...@gmail.com> wrote: > >> Thanks for your answer Philip. I think you are right, qemuarm doesn't >> seem to have

Re: [Discuss-gnuradio] Bitbaking GnuRadio with meta-sdr master issues

On 20 April 2015 at 15:13, Philip Balister wrote: > > > On 04/19/2015 11:07 AM, Murray Thomson wrote: > > Hello, > > > > I have built the gnuradio-dev-image for an arm machine and I wanted to > > share a couple of small issues that I found in the pro

[Discuss-gnuradio] The build-gnuradio install script fails for Ubuntu 15.04

Hi, I've noticed that the script in http://gnuradio.org/redmine/projects/gnuradio/wiki/InstallingGRFromSource fails for Ubuntu 15.04. The fix is simple, just add version 15 in the line 509. I've attached the script with this change. Thanks, Murray build-gnuradio Description: Binary data __

Re: [Discuss-gnuradio] The build-gnuradio install script fails for Ubuntu 15.04

:) 2015-04-30 23:45 GMT+01:00 Marcus D. Leech : > On 04/30/2015 06:37 PM, Murray Thomson wrote: > > Hi, > > I've noticed that the script in > http://gnuradio.org/redmine/projects/gnuradio/wiki/InstallingGRFromSource > fails for Ubuntu 15.04. The fix is simple, just

Re: [Discuss-gnuradio] Bitbake GNU radio for Zynq

Hi Jeff, I think is worth checking that you are using the same branch (dizzy) in all the beta layers that you have. Including openembedded, yocto, meta-sdr... The reason why you were missing meta-python could be that your openembedded layer is newer than the meta-sdr used to create the bblayers.co

Re: [Discuss-gnuradio] Bitbake GNU radio for Zynq

-package.inc > > Also as a note I'm running on Ubuntu 12.04. > > Thanks again! > Jeff > > > - Original Message - > From: "Philip Balister" > To: "Murray Thomson" , "Jeff Tu" < > j...@skybox.com> > Cc: "GNURadio

Re: [Discuss-gnuradio] GNU Radio for Android

Hi, I've been trying the instructions in the wiki with ubuntu 15.04 and gcc 4.8 (4.9 also gave me problems). I got the following error checking out the android branch from git:// git.gnuradio.org/gnuradio.git error: The following untracked working tree files would be overwritten by checkout:

Re: [Discuss-gnuradio] GNU Radio for Android

I've attached the command used and the output of cmake. Thanks for your time. Murray 2015-05-09 15:10 GMT+01:00 Tom Rondeau : > On Fri, May 8, 2015 at 7:57 PM, Murray Thomson > wrote: > >> Hi, >> >> I've been trying the instructions in the wiki with ubuntu 1

Re: [Discuss-gnuradio] GNU Radio for Android

27;ll have to think about something cool to do with GnuRadio and Android now :) Cheers, Murray 2015-05-09 17:58 GMT+01:00 Tom Rondeau : > On Sat, May 9, 2015 at 11:07 AM, Murray Thomson < > murraythomson...@gmail.com> wrote: > >> I've attached the command used and the

Re: [Discuss-gnuradio] GNU Radio Release 3.7.7.1 and Live SDR Environment is available for download

Great news, May I ask why does the Live SDR not provide for permanent installation? I would find that very useful. Thanks, Murray 2015-05-15 3:03 GMT+01:00 Johnathan Corgan : > GNU Radio release 3.7.7.1 is available for download: > > http://gnuradio.org/releases/gnuradio/gnuradio-3.7.7.1.tar.gz

Re: [Discuss-gnuradio] GRC Reacting Slowly

I had this problem for a while when using a large number of blocks. The cause, I think, is that the companion checks if the flowgraph is correct after every change. You will only be able to compile if it's correct (blocks are connected, variable names exist...). If this is really the reason, It wou

Re: [Discuss-gnuradio] Install GNU Radio Live CD to Hard Disk

Hi, In the last couple of years I have read this same request from different people, including myself. It iss true that installing GnuRadio on top of a fresh Ubuntu install is not hard, but it does take time. Sometimes, being able to create an quick installation with a known to work setup is usefu

Re: [Discuss-gnuradio] Install GNU Radio Live CD to Hard Disk

ctually specifically ask you: what did you > try to do? Is there something that we can make better about the ecosystem > (and we actually intentionally carry "ecosystem" in the logo!) so that > things are less of a hassle for you? > > Best regards, > Marcus > > On 09/0

Re: [Discuss-gnuradio] Install GNU Radio Live CD to Hard Disk

gt; tried various method and still it did not work ) > Please let me know. > > Regards > > Srinivasan > > > > > Sent with ProtonMail <https://protonmail.com> Secure Email. > > Original Message > Subject: Re: [Discuss-gnuradio] Install GNU

[Discuss-gnuradio] FSK transmitter tutorial

Hi, I would like to build an FSK modulator/demodulator. I'm using file sink/sources for the moment. I need to be able to specify the two frequencies, baud rate and sample rate (ideally at runtime). I started with the gr-tutorial for qpsk, hoping to replace the modulation/demodulation with gfsk blo

Re: [Discuss-gnuradio] FSK transmitter tutorial

t; ICOM IC-7300 ham transceiver). > > http://www.w6rz.net/rtty.grc > > And a program to generate a baudot test file from a text file. > > http://www.w6rz.net/baudot.c > > Ron > > > On 03/20/2018 04:48 AM, Murray Thomson wrote: > >> Hi, >> >> I would like

Re: [Discuss-gnuradio] FSK Burst emission

Have a look at this burst fsk modem too https://oshearesearch.com/index.php/2015/05/31/building-a-burst-fsk-modem-in-gnu-radio-with-message-lambda-blocks-and-eventstream/ On 28 March 2018 at 10:57, Jeff Long wrote: > Take a look at gr-eventstream and gr-*burst. > > > On 03/28/2018 04:14 AM, samu

[Discuss-gnuradio] Possible bug: Exception: circular dependency caught in sort_variables

Hi, I'm using Ubuntu 16.04 and I installed GNURadio using the PyBombs. My installation path is /home/user/src/gnuradio/default. In a terminal user@pc:~$cd /home/user/src/gnuradio/default user@pc:~/src/gnuradio/default$source setup_env.sh user@pc:~/src/gnuradio/default$gnuradio-companion I create

Re: [Discuss-gnuradio] Possible bug: Exception: circular dependency caught in sort_variables

Sorry, I forgot to mention the build: 3.7.12git-361-g713629cc On 11 April 2018 at 10:12, Murray Thomson wrote: > Hi, > > I'm using Ubuntu 16.04 and I installed GNURadio using the PyBombs. My > installation path is /home/user/src/gnuradio/default. > > In a terminal > u

[Discuss-gnuradio] Reading variable config at runtime

Hi, My goal is to have a QT GUI chooser to change between a bunch of set configurations defining frequencies, amplitudes, filters... I have tried 3 ways to do it but I'm open to suggestions if there is a better way to do this. 1) variable: id=list_a;value=(0,1,2,3); variable: id=a;value;li

[Discuss-gnuradio] New OOT block error AttributeError: 'module' object has no attribute

Hi, I have created an OOT module with my block written in C++ and it works. Now I would like to use a fir filter within my block, in the same way the equalizers in gr-digital do. For example the lms equalizer https://github.com/gnuradio/gnuradio/blob/master/gr-digital/lib/lms_dd_equalizer_cc_impl.

Re: [Discuss-gnuradio] New OOT block error AttributeError: 'module' object has no attribute

I found the solution, adding filter and digital to CMakeLists.txt file. https://stackoverflow.com/questions/28859517/gnuradio-importerror-undefined-symbol/28867893#28867893 On 20 April 2018 at 15:39, Murray Thomson wrote: > Hi, > > I have created an OOT module with my block wri

[Discuss-gnuradio] grc companion color theme Kubuntu 18.04

Hi, I've installed grc companion (3.7.12.0 from pybombs) in Kubuntu 18.04 and the background color of the tooltips is transparent, which makes it difficult to read. I addition to this, the toggle visibility icon is not found. Could anyone point me in the right direction to edit this please? Chee

Re: [Discuss-gnuradio] grc companion color theme Kubuntu 18.04

es their KDE to configure GTK to show tooltips). > > What do you mean with "toggle visibility button"? > > Cheers, > Marcus > > > On Mon, 2018-05-14 at 12:56 +0100, Murray Thomson wrote: > > Hi, > > > > I've installed grc companion (3.7.12.0 f

Re: [Discuss-gnuradio] grc companion color theme Kubuntu 18.04

Sorry, I just noticed that gimp has a similar problem with tooltips. I guess you were right and it's a KDE issue. Not sure about the missing icon though. On 14 May 2018 at 13:54, Murray Thomson wrote: > Thanks Marcus, > > I thought to blame Kubuntu too but the rest of application

Re: [Discuss-gnuradio] grc companion color theme Kubuntu 18.04

Fixed with System Settings > Appearance > Application Style > GNOME Application Style (GTK) > Icon Themes > Icon theme: Humanity. The GTK theme breeze also fixes the tooltip issue. Cheers, Murray On 14 May 2018 at 13:58, Murray Thomson wrote: > Sorry, I just noticed that

[Discuss-gnuradio] VHDL code testing with GNURadio?

Hi, I have seen the project openCPI but I'm not sure if this is what I'm looking for. Hoping that someone will point me in the right direction. I am writing some VHDL code and I was hoping to use GNURadio to test it. When I'm finished, I will compile and deploy it using