Hi All,Concearning my last purpose, "py_pd_connect" containing the related
python scripts, can be downloaded there:
http://markmail.org/message/6jxi5zatgqglrjjiCosmin> Date: Wed, 28 Jan 2009
10:04:29 -0500> From: [email protected]> Subject:
Discuss-gnuradio Digest, Vol 74, Issue 77> To: [email protected]> > Send
Discuss-gnuradio mailing list submissions to> [email protected]> > To
subscribe or unsubscribe via the World Wide Web, visit>
http://lists.gnu.org/mailman/listinfo/discuss-gnuradio> or, via email, send a
message with subject or body 'help' to> [email protected]> >
You can reach the person managing the list at>
[email protected]> > When replying, please edit your Subject line
so it is more specific> than "Re: Contents of Discuss-gnuradio digest..."> > >
Today's Topics:> > 1. RE: Discuss-gnuradio Digest, Vol 74, Issue 75 ([
Cosmin ])> > >
----------------------------------------------------------------------> >
Message: 1> Date: Wed, 28 Jan 2009 15:04:25 +0000> From: "[ Cosmin ]"
<[email protected]>> Subject: [Discuss-gnuradio] RE: Discuss-gnuradio
Digest, Vol 74, Issue> 75> To: <[email protected]>> Message-ID:
<[email protected]>> Content-Type: text/plain;
charset="windows-1252"> > > Hi all,I have several questions to ask you, maybe
you can help:First, I'm using gnuradio on Osx Tiger with python2.5 (via
Macports), and don't find any "gr_threading25.py" in my
../gr/lib/python2.5/site-packages/gnuradio/gr, but only "gr_threading23.py" and
"gr_threading24.py". Is this normal?Secondly, I would like to use puredata to
pilot gnuradio applications and I use the jointed file.With this file,
including the "net.pd" object, "ENTRY.py", "svr.py" and "testApplication.py" I
hope modulate in real time gnuradio and the usrp. Of course for using "net.pd"
I have to run a puredata [1] or pd-extended [1] application. But how to
incorporate the "ENTRY.py", "svr.py" and "testApplication.py" within the
gnuradio python scripts?How for example in the ../example/audio, I can change
the frequency value of "mono_tone.py" (actually set to 650) in real time from
puredata via "net.pd" using referred python scripts?I wish these manipulations
could be possible. Like that gnuradio and usrp could reach with an
extraordinary (via puredata) potential of interactivity and realtime
manipulation.Best,Cosmin [1] http://puredata.info/downloads> Date: Wed, 28 Jan
2009 01:42:48 -0500> From: [email protected]> Subject:
Discuss-gnuradio Digest, Vol 74, Issue 75> To: [email protected]> > Send
Discuss-gnuradio mailing list submissions to> [email protected]>
> To subscribe or unsubscribe via the World Wide Web, visit>
http://lists.gnu.org/mailman/listinfo/discuss-gnuradio> or, via email, send a
message with subject or body 'help' to> [email protected]> >
You can reach the person managing the list at>
[email protected]> > When replying, please edit your Subject line
so it is more specific> than "Re: Contents of Discuss-gnuradio digest..."> > >
Today's Topics:> > 1. Re: Gmsk_demod() (Achilleas Anastasopoulos)> 2.
block destructors (Brett L. Trotter)> 3. gr-trellis.html (w w)> 4.
Exploring the world of GNU (Bari Bari)> 5. Exploring the world of GNU (Bari
Bari)> 6. Re: Exploring the world of GNU (Eric Blossom)> 7. help: cannot
send after transport endpoint shutdown (Joreen Tan)> 8. Re: help: cannot
send after transport endpoint shutdown> (Eric Blossom)> 9. (no
subject)> 10. Re: Write bin to SD card (Yabo Li)> > >
----------------------------------------------------------------------> >
Message: 1> Date: Tue, 27 Jan 2009 14:14:08 -0500> From: Achilleas
Anastasopoulos <[email protected]>> Subject: Re: [Discuss-gnuradio]
Gmsk_demod()> To: gnuradio mailing list <[email protected]>> Message-ID:
<[email protected]>> Content-Type: text/plain; charset=ISO-8859-1;
format=flowed> > Yufeng,> > For an example on how to do that with two
convolutionally encoded > transmissions look at the GRC example in:> >
http://gnuradio.org/trac/browser/gnuradio/trunk/grc/examples/trellis/interference_cancellation.grc>
> > Achilleas> > > > > > > -------------------------------> Hello, everyone,>
> We've just got two USRPs in our lab and we want to start using them to> do
some demodulation.> > I'd like to use one of them to transmit the sum of two
(uncoded)> signals, useful and interference, with possible relative scaling to>
simulate different channels. At the receiver side, I wanna then> implement
different demodulators, like treating interference as noise> or successive
demodulation (demodulate interference, cancel and> demodulate user).> > Is
there any reference I could take a look on how to implement this in> USRP? Many
thanks!> > > > > ------------------------------> > Message: 2> Date: Tue, 27
Jan 2009 13:21:25 -0600> From: "Brett L. Trotter" <[email protected]>>
Subject: [Discuss-gnuradio] block destructors> To: [email protected]>
Message-ID: <[email protected]>> Content-Type: text/plain;
charset=ISO-8859-1> > I'm doing some logging of what time signal events happen
and in the> destructor of a custom signal block, I'm printing a log line to a
file,> followed by an fflush, but i'm not always getting my line. Is the>
destructor not happening, or is something else transpiring?> > Is there a way
to ensure a destructor will fire even if a user ctrl+c's> a flowgraph,
especially with WXGUI/GRC, or is that not what is happening?> > > > > >
------------------------------> > Message: 3> Date: Tue, 27 Jan 2009 14:48:40
-0500> From: w w <[email protected]>> Subject: [Discuss-gnuradio]
gr-trellis.html> To: [email protected]> Message-ID:>
<[email protected]>> Content-Type:
text/plain; charset="iso-8859-1"> > Greetings,> I was wondering if someone
could provide the following file? I went to> that location however
gr-trellis.html is not there. I read about this doc> in the readme file of the
gr-trellis example directrory. There was> gr-trellis.xml but Internet
Explorer won't display it and notepad is just> too painful. Also, any other
documentation on gr-trellis would be most> helpful.> > Thanks> > >
http://gnuradio.utah.edu/svn/gnuradio/trunk/gr-trellis/doc/gr-trellis.html>
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> ------------------------------> > Message: 4> Date: Wed, 28 Jan 2009
15:18:48 +1300> From: Bari Bari <[email protected]>> Subject:
[Discuss-gnuradio] Exploring the world of GNU> To: [email protected]>
Message-ID:>
<[email protected]>> Content-Type:
text/plain; charset="iso-8859-1"> > Hi> I have just started work on gnu
project.> Initially i got basic concept of Python and now studying gnuradio
through> its website.can any body help me to give guidance about getting basic>
knowledge so that I will be able to do some projects in this field. or any>
body have some basic programs with description to understand.> > Take care.>
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> ------------------------------> > Message: 5> Date: Wed, 28 Jan 2009
15:18:49 +1300> From: Bari Bari <[email protected]>> Subject:
[Discuss-gnuradio] Exploring the world of GNU> To: [email protected]>
Message-ID:>
<[email protected]>> Content-Type:
text/plain; charset="iso-8859-1"> > Hi> I have just started work on gnu
project.> Initially i got basic concept of Python and now studying gnuradio
through> its website.can any body help me to give guidance about getting basic>
knowledge so that I will be able to do some projects in this field. or any>
body have some basic programs with description to understand.> > Take care.>
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> ------------------------------> > Message: 6> Date: Tue, 27 Jan 2009
21:40:34 -0800> From: Eric Blossom <[email protected]>> Subject: Re:
[Discuss-gnuradio] Exploring the world of GNU> To: Bari Bari
<[email protected]>> Cc: [email protected]> Message-ID:
<[email protected]>> Content-Type: text/plain; charset=us-ascii>
> On Wed, Jan 28, 2009 at 03:18:48PM +1300, Bari Bari wrote:> > Hi> > I have
just started work on gnu project.> > Initially i got basic concept of Python
and now studying gnuradio through> > its website.can any body help me to give
guidance about getting basic> > knowledge so that I will be able to do some
projects in this field. or any> > body have some basic programs with
description to understand.> > > > Take care.> > Start here:> >
http://gnuradio.org/trac/wiki> > Note especially the GNU Radio FAQ and the USRP
FAQ:> > http://gnuradio.org/trac/wiki/FAQ>
http://gnuradio.org/trac/wiki/UsrpFAQ> > Download the code and build it:> >
http://gnuradio.org/trac/wiki/Download>
http://gnuradio.org/trac/wiki/BuildGuide> > Look at the examples in:> >
gnuradio-examples> > and some of standard utilities in:> > gr-utils> >
Assuming you've got a USRP, look at usrp_fft.py, usrp_oscope.py and
usrp_siggen.py> > Most commands support a --help option. Try using it.> > Also
read the README files contained in the source code.> > > We've got a list of
suggested reading:> > http://gnuradio.org/trac/wiki/SuggestedReading> > > If
you come up with questions, try to answer them with a web search> before
posting your questions here. We've answered a lot of questions> on this
mailing list over the years... The archives are well indexed by> google and
friends.> > Welcome!> Eric> > > > > ------------------------------> > Message:
7> Date: Wed, 28 Jan 2009 13:41:06 +0800> From: Joreen Tan
<[email protected]>> Subject: [Discuss-gnuradio] help: cannot send after
transport endpoint> shutdown> To: <[email protected]>> Message-ID:
<[email protected]>> Content-Type: text/plain;
charset="windows-1252"> > > Hi,> > I have got this error message when i'm
trying to use this two commands to free up the usb resource,> > modprobe -vr
ehci_hcd> modprobe -v ehci_hcd> > the error message is: > > usb_control_msg
failed: error sending control message: Cannot send after transport endpoint
shutdown> > Can anyone help me with this? i don't really quite understand this
error message.. It was initially working fine until i tried it for the second
time.. Regards,Joreen>
_________________________________________________________________> More than
messages–check out the rest of the Windows Live™.>
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> ------------------------------> > Message: 8> Date: Tue, 27 Jan 2009
21:48:10 -0800> From: Eric Blossom <[email protected]>> Subject: Re:
[Discuss-gnuradio] help: cannot send after transport> endpoint
shutdown> To: Joreen Tan <[email protected]>> Cc: [email protected]>
Message-ID: <[email protected]>> Content-Type: text/plain;
charset=us-ascii> > On Wed, Jan 28, 2009 at 01:41:06PM +0800, Joreen Tan
wrote:> > > > Hi,> > > > I have got this error message when i'm trying to use
this two commands to free up the usb resource,> > > > modprobe -vr ehci_hcd> >
modprobe -v ehci_hcd> > > > the error message is: > > > > usb_control_msg
failed: error sending control message: Cannot send after transport endpoint
shutdown> > > Can anyone help me with this? i don't really quite understand
this> > error message.. It was initially working fine until i tried it for> >
the second time.. Regards,Joreen> > > > ------------------------------> >
Message: 9> Message-ID:
<[email protected]>> > -r --remove>
This option causes modprobe to remove, rather than insert a mod->
ule. If the modules it depends on are also unused, modprobe>
will try to remove them, too. Unlike insertion, more than one>
module can be specified on the command line (it does not make>
sense to specify module parameters when removing modules).> >
There is usually no reason to remove modules, but some buggy>
modules require it. Your kernel may not support removal of mod->
ules.> > Eric> > > > > ------------------------------> > Message: 10>
Date: Tue, 27 Jan 2009 22:42:43 -0800> From: Yabo Li
<[email protected]>> Subject: Re: [Discuss-gnuradio] Write bin to SD
card> To: Eric Blossom <[email protected]>, Yabo Li <[email protected]>,>
[email protected]> Message-ID:>
<[email protected]>> Content-Type:
text/plain; charset="iso-8859-1"> > Hi Eric,> > Thanks very much for your
reply.> > I tried to verify the bin that I programmed in the SD card using -v
option.> No error message and no success message either. But if I plug in the
SD card> to the USRP2, I still cannot get any LED on. Do you know what could
cause> this problem? Thanks!> > Regards,> Yabo> > On Tue, Jan 27, 2009 at 2:32
AM, Eric Blossom <[email protected]> wrote:> > > On Mon, Jan 26, 2009 at
11:15:15PM -0800, Yabo Li wrote:> > > Hi,> > >> > > I tried to follow the
instructions in "USRP2UserFAQ" to program the SD> > card> > > with the bin
files from http://gnuradio.org/releases/usrp2-bin/trunk/.> > > (txrx.bin and
u2_rev3.bin), there is no error message showing up.> > However,> > > when I
plug in the SD card into USRP2, and power on, I cannot get normal> > led> > >
lights as I usually get with the right SD card. Is there anyway to verify> > >
that I indeed programmed the SD card, or verify that what I programmed> > >
matches with the bin files? BTW, I am using a 2G SD card. Thanks!> > >> > >
Regards,> > > Yabo> >> > $ u2_flash_tool --help> > Usage: u2_flash_tool:
[options] filename> >> > Options:> > -h, --help show this help
message and exit> > -w, --write write FILE to TARGET slot> > -v,
--verify verify FILE against TARGET slot> > -r, --read
read TARGET slot, write to FILE> > -t TARGET, --target=TARGET> >
select TARGET slot from: fpga, s/w [default=s/w]> > --dev=DEV
specify flash device file, e.g., /dev/sdb. Be> >
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