[Discuss-gnuradio] help

[Mads Bahrt]

Den 05/01/2014 kl. 18.00 skrev address@hidden:

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> Today's Topics:
> 
>   1. Re: make test failure at qa_constellation_receiver (ibmsorcerer)
>   2. Re: Successful installation of GNURadio 3.6.4.1 on Window XP
>      and Windows 8 (ibmsorcerer)
>   3. Re: Top block trash not cleaning up where it used to. File
>      sink not writing in some instances. (Martin Braun)
>   4. Re: Gaussian elimination or matrix inversion (solving a
>      linear system) in GNURADIO (Martin Braun)
>   5. gnuradio at FOSDEM 2014 (Kristoff Bonne)
>   6. Re: gnuradio at FOSDEM 2014 (Martin Braun)
>   7. Re: Gaussian elimination or matrix inversion (solving a
>      linear system) in GNURADIO (Patrik Tast)
>   8. git access to UHD through http ? (Jean-Michel FRIEDT)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sat, 4 Jan 2014 18:27:52 -0800 (PST)
> From: ibmsorcerer <address@hidden>
> To: address@hidden
> Subject: Re: [Discuss-gnuradio] make test failure at
>       qa_constellation_receiver
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset=us-ascii
> 
> I built gnuradio 3.7.2.1 from scratch on a SuSE Linux Enterprise Server 11
> with SP3 running as a VM. 
> 
> I ran into this problem with the constellation_receiver test. 
> 
> address@hidden:~/gnuradio-3.7.2.1/build> ctest -V -R constellation_receiver 
> UpdateCTestConfiguration  from
> :/home/bruce/gnuradio-3.7.2.1/build/DartConfiguration.tcl 
> UpdateCTestConfiguration  from
> :/home/bruce/gnuradio-3.7.2.1/build/DartConfiguration.tcl 
> Test project /home/bruce/gnuradio-3.7.2.1/build 
> Constructing a list of tests 
> Done constructing a list of tests 
> Checking test dependency graph... 
> Checking test dependency graph end 
> test 142 
>    Start 142: qa_constellation_receiver 
> 
> 142: Test command: /usr/bin/sh
> "/home/bruce/gnuradio-3.7.2.1/build/gr-digital/python/digital/qa_constellation_receiver_test.sh"
>  
> 142: Test timeout computed to be: 9.99988e+06 
> 142: Using Volk machine: sse4_a_64 
> 142: thread[thread-per-block[1]: <block constellation_receiver_cb (477)>]:
> boost::bad_any_cast: failed conversion using boost::any_cast 
> 
> If I try to run the complete test set, it never finishes. I've left it
> running for more than an hour.. 
> Bruce 
> 
> 
> 
> --
> View this message in context: 
> http://gnuradio.4.n7.nabble.com/make-test-failure-at-qa-constellation-receiver-tp18777p45590.html
> Sent from the GnuRadio mailing list archive at Nabble.com.
> 
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Sat, 4 Jan 2014 21:16:10 -0800 (PST)
> From: ibmsorcerer <address@hidden>
> To: address@hidden
> Subject: Re: [Discuss-gnuradio] Successful installation of GNURadio
>       3.6.4.1 on Window XP and Windows 8
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset=us-ascii
> 
> Bhaskar,
> I followed your instructions for a Windows 7 Ultimate x64 install. 
> 
> This worked the first try. Thank you!!
> 
> I'd been following the same sort of path you did while I was on vacation,
> but was trying to make from source for a x64 implementation. I had something
> close, but couldn't figure out why the WX-GUI part didn't show up.
> 
> Now I'll go and uninstall the working version and try to build it from
> scratch again. I've downloaded all of the x64 libraries that are the same as
> the working x86 version and will try to build it again. Watch for another
> note on this.
> Bruce
> 
> 
> 
> --
> View this message in context: 
> http://gnuradio.4.n7.nabble.com/Successful-installation-of-GNURadio-3-6-4-1-on-Window-XP-and-Windows-8-tp45545p45591.html
> Sent from the GnuRadio mailing list archive at Nabble.com.
> 
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Sun, 05 Jan 2014 10:05:16 +0100
> From: Martin Braun <address@hidden>
> To: address@hidden
> Subject: Re: [Discuss-gnuradio] Top block trash not cleaning up where
>       it used to. File sink not writing in some instances.
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> On 01/03/2014 11:01 PM, Miguel Duarte wrote:
>> The proposed solution was using detector1.wait() and detector1 = None
>> after stopping the flowgraph.
> 
> I very vaguely remember something like this... Try this: Put the whole
> thing into an extra function, and assign the tb there, like:
> 
> def run_one_instance():
>    d = detector()
>    d.start()
>    time.sleep(x)
>    d.stop()
>    return
> 
> I think this does the garbage collection differently. Tell us what happened!
> 
> MB
> 
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Sun, 05 Jan 2014 10:06:59 +0100
> From: Martin Braun <address@hidden>
> To: address@hidden
> Subject: Re: [Discuss-gnuradio] Gaussian elimination or matrix
>       inversion (solving a linear system) in GNURADIO
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> On 01/04/2014 01:08 PM, Marcus M?ller wrote:
>> Hi Nasi,
>> 
>> GNU Radio itself is not a math system. That being said, there are
>> several math frameworks for C++ and Python; furthermore, if you're
>> writing your own Python blocks, your work parameters are usually numpy
>> ndarrays, and numpy (together with scipy in general) gives you
>> functionality very similar to Matlab with respect to matrix operations.
>> See the Numpy and Scipy references for further information.
> 
> Remember that solving a set of linear eqs. is equivalent to a
> matrix/vector multiplication.
> 
> MB
> 
> 
> 
> 
> ------------------------------
> 
> Message: 5
> Date: Sun, 05 Jan 2014 12:11:52 +0100
> From: Kristoff Bonne <address@hidden>
> To: GNURadio Discussion List <address@hidden>
> Subject: [Discuss-gnuradio] gnuradio at FOSDEM 2014
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> 
> Hi,
> 
> 
> I have seen that on sunday, the 2nd of february, there is a complete 
> "Software Defined Radio" devroom at FOSDEM 2014 (Free and OpenSource 
> Developers Eurooean Meeting) here in Brussels.
> https://fosdem.org/2014/schedule/track/software_defined_radio/
> 
> GNUradio is (ofcourse) a big part of this track.
> 
> 
> 
> I am very interested in attending it.
> Question:
> Is this something I should take my laptop with me and where we can try 
> out while attending, or is this more a "relax and listen" kind of event?
> 
> 
> 
> 
> Cheerio! Kr. Bonne.
> 
> 
> 
> ------------------------------
> 
> Message: 6
> Date: Sun, 5 Jan 2014 14:52:58 +0100
> From: Martin Braun <address@hidden>
> To: "address@hidden" <address@hidden>
> Subject: Re: [Discuss-gnuradio] gnuradio at FOSDEM 2014
> Message-ID:
>       <address@hidden>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> On Sun, Jan 5, 2014 at 12:11 PM, Kristoff Bonne <address@hidden> wrote:
> 
>> GNUradio is (ofcourse) a big part of this track.
>> 
>> I am very interested in attending it.
>> Question:
>> Is this something I should take my laptop with me and where we can try out
>> while attending, or is this more a "relax and listen" kind of event?
>> 
> 
> Hi Kristoff,
> 
> both. Have a look at the schedule:
> http://gnuradio.org/redmine/projects/gnuradio/wiki/FOSDEM14
> 
> We have talks, tutorials, and some time set aside for general hackery. See
> you there!
> 
> MB
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> ------------------------------
> 
> Message: 7
> Date: Sun, 05 Jan 2014 16:29:34 +0200
> From: Patrik Tast <address@hidden>
> To: address@hidden
> Subject: Re: [Discuss-gnuradio] Gaussian elimination or matrix
>       inversion (solving a linear system) in GNURADIO
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset="UTF-8"
> 
> Hi,
> 
> Do a search on "FEM", Finite Element Method.
> Today there are tons of example code using Gaussian elimination.
> 
> My Masters Thesis (1990:s) was solving any 2D/3D Trusses using FEM.
> It took me less than 50 lines of C code and could solve >20k unknowns.
> 
> Note: The matrix will be 1/2 full of zeros. To save mem and computing
> time use the "Band matrix" method. Singular if the (top-left ->
> bottom->right) diagonal include zero values.
> http://en.wikipedia.org/wiki/Band_matrix
> 
> Good luck,
> Patrik
> 
> On Sun, 2014-01-05 at 10:06 +0100, Martin Braun wrote:
>> On 01/04/2014 01:08 PM, Marcus M?ller wrote:
>>> Hi Nasi,
>>> 
>>> GNU Radio itself is not a math system. That being said, there are
>>> several math frameworks for C++ and Python; furthermore, if you're
>>> writing your own Python blocks, your work parameters are usually numpy
>>> ndarrays, and numpy (together with scipy in general) gives you
>>> functionality very similar to Matlab with respect to matrix operations.
>>> See the Numpy and Scipy references for further information.
>> 
>> Remember that solving a set of linear eqs. is equivalent to a
>> matrix/vector multiplication.
>> 
>> MB
>> 
>> 
>> _______________________________________________
>> Discuss-gnuradio mailing list
>> address@hidden
>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> 
> 
> 
> 
> 
> ------------------------------
> 
> Message: 8
> Date: Sun, 05 Jan 2014 16:50:14 +0100
> From: Jean-Michel FRIEDT <address@hidden>
> To: address@hidden
> Subject: [Discuss-gnuradio] git access to UHD through http ?
> Message-ID: <address@hidden>
> Content-Type: text/plain; charset=UTF-8; DelSp="Yes"; format="flowed"
> 
> not sure if this issue is relevant to the mailing list:
> while running the tutorial at https://github.com/balister/oe-gnuradio-manifest
> which aims at recovering all tools needed to build an image for an embedded
> architecture, intensive requests to git are performed to fetch all the source
> codes.
> Although it all works fine from home,  I am now building this image from a
> computer at work which is behind a firewall only allowing http and https
> request,  no ftp:// nor git://
> Most, if not all, git requests could be satisfied by converting the git://
> and ftp:// requests to https:// through the insteadOf option of git. All
> but one, hence my request to this list: uhd-1_3.5.3-r3.0 seems only accessible
> by git request, while http or https requests fail with a login/password prompt
> (eg http://ettus.sourcerepo.com/ettus/uhd.git or the same url with  
> https request).
> Is there a way to recover this archive without a git:// request ?
> 
> Thanks, JM
> 
> 
> -- 
> JM Friedt, FEMTO-ST Time & Frequency/SENSeOR, 32 av. observatoire,  
> 25044 Besancon, France
> 
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