I updated gr-specest so it would compile with 3.7, see my repo on www.github.com/dfxx if you want to try that route. The changes were almost all namespace stuff and cmake stuff, i.e. I don't think I broke anything.
Jared On Oct 4, 2013 7:33 AM, "Eskil Varenius" <eskil.varen...@gmail.com> wrote: > Hi everyone, > After a long break since June I am now back learning about Gnuradio. I > asked in June for a way to average vectors elementwise and Martin Braun > suggested the moving_average_Vff block in the gr-specest. He also said it > would be available PyBOMBS. Now update: > > Since I had installed Gnuradio using the build-script I wanted to > re-install it using pybombs. I uninstalled the old gnuradio by doing a > "sudo make uninstall" in each build directory for the old release. Seems to > work. Now I installed gnuradio 3.6 (since gr-specest is still only verified > for 3.6, although I'm happy to see people working towards a 3.7 release). I > did the install using the instructions on the pybombs quickstart page: > > git clone git://github.com/pybombs/pybombs > cd pybombs > git checkout gr-3.6 > ./pybombs install gnuradio > > Gnuradio seemed to install without problems but: I realised I had > path-problems since I could not start anything (gnuradio companion, import > gnuradio etc. fails). Perhaps this was related to me using a custom target > directory (/opt/gnuradio_pybombs). I looked around and found path > instructions for custom directory installs at " > http://gnuradio.org/redmine/projects/gnuradio/wiki/UbuntuInstall#Installing-in-a-custom-directory";, > i.e. put the following in my .bashrc: > > # GNU Radio installation > export PATH=$PATH:/opt/gnuradio_pybombs/bin > export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/gnuradio_pybombs/lib > export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/opt/gnuradio_pybombs/lib/pkgconfig > export > PYTHONPATH=$PYTHONPATH:/opt/gnuradio_pybombs/lib/python2.6/site-packages > > However, that didn't work completely - I still could not find the gnuradio > python module. I realised two things: the 2.6 should probably be 2.7 for > me, and also the pythonpath should end in dist-packages, not site-packages, > since the site-packages folder was empty. After modifying the pythonpath > with 2.7 and dist-packages everything runs, I can import gnuradio and also > use gnuradio companion. So far so good! > > Now for gr-specest. I tried to install it using app store (cool stuff, you > guys are amazing!) and also just command line which is equivalent, i.e. I > run using "sudo ./pybombs install gr-specest" I get a lot of output, but > the perhaps most interesting one before it ends abruptly is: > -- checking for module 'gruel' > -- package 'gruel' not found > -- Could NOT find GRUEL (missing: GRUEL_LIBRARIES GRUEL_INCLUDE_DIRS) > -- checking for module 'gnuradio-core' > -- package 'gnuradio-core' not found > -- Could NOT find GNURADIO_CORE (missing: GNURADIO_CORE_LIBRARIES > GNURADIO_CORE_INCLUDE_DIRS) > CMake Error at CMakeLists.txt:100 (message): > Gruel required to compile specest > > I am lost here. Any ideas? I can give the rest of the output as well, but > this is the showstopper as far as I can see. I have tried googling this, > but it seems to me that the solution used is to use the build-gnuradio > script instead of PyBOMBS. I could do that, but then I would not be able to > enjoy installing gr-specest through the app-store ;). Grateful for any > advice. > > Cheers, > Eskil > > > 2013/6/24 Martin Braun (CEL) <martin.br...@kit.edu> > >> On Mon, Jun 24, 2013 at 02:09:51PM +0200, Eskil Varenius wrote: >> > The grand plan is as follows: >> > 1) Use an USRP to recieve a signal, I know how. >> > 2) Divide the stream of samples into vectors, I know how. >> > 3) Take the FFT of the vectors one by one, I know how. >> > 4) Average the vectors coming from the FFT together element-wise. I >> don't know >> > how. >> > 5) Save the averaged vector to a file, I know how. >> > >> > What I cannot solve is step 4: I need to take the N vectors (each of >> size M) >> > coming from the FFT-block and sum them together element-wise to produce >> one >> > vector of size M. >> >> The spectral estimation toolbox (gr-specest) has a block to do this >> (moving_average_vff). You can get it through PyBOMBS, it is not yet >> 3.7-compatible, though. >> >> https://github.com/kit-cel/gr-specest >> >> 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 >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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