Re: [Discuss-gnuradio] gnu radio

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, GNU Radio has very nice tutorials [1]. Just read them and try them out for yourself. happy hacking Johannes [1] https://gnuradio.org/redmine/projects/gnuradio/wiki/Tutorials On 16.02.2015 08:15, Vishwanatha H G wrote: > sir, i dint get the stru

Re: [Discuss-gnuradio] "Run to completion" not working with message passing blocks

On Sat, Feb 14, 2015 at 3:34 PM, Piotr Krysik wrote: > W dniu 29.04.2014 o 16:20, Tom Rondeau pisze: > > On Tue, Apr 29, 2014 at 9:33 AM, Perper > > wrote: > > > > Hi all, > > > > I want to use message passing blocks for operations where strict > > synchronizatio

[Discuss-gnuradio] Performance diff between Null Sink & Copy Block

Hi - I am trying to create optional paths in my Gnuradio Flowgraph. I have found 2 ways of doing this in C++: - Doing a lock() / unlock() inside my heir_block2 and either connecting the items inside the block to the source of the block or connecting the source of the block to a null_sink. - Put

[Discuss-gnuradio] uhd_fft segfault

Hi, I'm new to SDR and gnuradio and trying to get started with an USRP B200 and gnuradio on ubuntu 14.04. I'm using pybombs (up-to-date) for building. Building succeeds but i get a segfault when running uhd_fft. The backtrace is below. I checked if the correct libuhd was being used (with ldd),i

[Discuss-gnuradio] [UHD-3.8.2] Release Announcement

Everyone, following the release candidate, we have now finished testing, and with some minor tweaks, just tagged the 3.8.2 release. There were some minor changes with respect to the release candidate, mainly minor bugfixes, but also some fixes to how we handle relevant paths, such as UHD_CONFIG_DI

Re: [Discuss-gnuradio] uhd_fft segfault

Those swig traces are hard to parse, but you might have to rebuild GNU Radio against the current UHD build. Did you install both via Pybombs? M On 02/16/2015 09:09 PM, Ergeerts Glenn wrote: > Hi, > > I'm new to SDR and gnuradio and trying to get started with an USRP B200 > and gnuradio on ubunt

Re: [Discuss-gnuradio] Performance diff between Null Sink & Copy Block

On 02/16/2015 09:17 PM, Luke Berndt wrote: > Hi - I am trying to create optional paths in my Gnuradio Flowgraph. I > have found 2 ways of doing this in C++: - Doing a lock() / unlock() > inside my heir_block2 and either connecting the items inside the > block to the source of the block or connectin

Re: [Discuss-gnuradio] uhd_fft segfault

yes i did, "pybombs list" shows this: gnuradioinstalled inventory fc7861ac029a4297df5a0b1159cb07f922670054 git://http://www.gnuradio.org/git/gnuradio.git uhdinstalled inventory 7d97ab60012b99ed92fb122a3a68d68515a404fa git://https://github.com/

[Discuss-gnuradio] GNU Radio on Zynq - trouble getting the user_peripheral kernel module to work

Hello lovely people, I'm trying to recreate the FIR filter example based on the Zynq GNU Radio wiki: http://gnuradio.org/redmine/projects/gnuradio/wiki/Zynq. I've downloaded the prebuilt filesystem and managed to run GNU Radio with an RT

Re: [Discuss-gnuradio] [USRP-users] USRP, GNURadio Companion, Polyphase Channelizer Issue

On 02/16/2015 04:54 PM, Ali Riaz wrote: Hi Marcus, I was the one who posted a question on the usrp-mailing list regarding the gnuradio companion channelizer a couple of days back, and was wondering if you could help me on something. I tried using the filter as you suggested, but I get a very

Re: [Discuss-gnuradio] uhd_fft segfault

I once had an OpenGL issue mess with uhd_fft. If you run 'glxgears' from a terminal does it work and do you get a normal frame rate (30+ fps, I get up to 60). My fix was installing proper video card drivers. Just a thought. Rich Sent from my iPhone > On Feb 16, 2015, at 12:48 PM, Ergeerts Gle

Re: [Discuss-gnuradio] Amplitude settings in uhd_siggen

I'm bit confused here. You said "In the OFDM example, watch the amplitude of the signal before it enters the USRP sink. If it exceeds 1.0, I promise it will clip" I transmitted OFDM symbols, keeping transmission amplitude as 0.2 Then, on the collected log, I ran gr_plot_ofdm.py tool. It shows th