hi all,
i am using USRP1 with basic tx and rx boards and i have been suffering some
problems recently so i hope you could answer the following questions(even if
not all of them)
Q1:
when i run the examples tx_timed_samples.cpp and tx_burst.cpp i don't
get any output i tried various sampling
On Sun, Dec 11, 2011 at 01:18:59AM -0700, Matt Mills wrote:
> All,
>
> The attached script crashes with a segmentation fault (or with the I/O error
> text in the code). My C++ knowledge is lacking however I believe this is
> because work() and close() are both being called simultaneously from diff
Hi Songsong,
the cutoff frequency is relative to the given sampling rate, whatever
that is. The firdes stuff doesn't know about the "true" sampling rate.
It's not uncommon to set the sampling rate to 1 and then have cutoff
somewhere in between 0 and 1.
MB
On Mon, Dec 12, 2011 at 02:53:07PM +090
On Sun, Dec 11, 2011 at 02:31:03PM -0500, Marcus D. Leech wrote:
> I think that what I'd do is cause the close() method to simply set a flag that
> says "close desired", and then do the actual close at the end of
> the work function, probably under a mutex.
That sounds sensible. It could be done
Hi, is it possible to make gnuradio/usrp2/WBX & fedora 15,
combination as FM transmitter to stream audio files as we can do in some smart
phones. please help,if you there is a grc/python file already, I have tried
others on web but they dont work
for my setup. I appreciate any comments, Thanks
Are errors expected on the first attempt of cmake or could the errors indicate
an underlying dependency issue? I have other build issues and I'm trying to
rule out all the possibilities.
When I first attempt cmake I get errors:
-- Using install prefix: /usr/local
-- Building for version: 3.5.
On 12/12/2011 08:40 AM, Justin Ford wrote:
>
> Are errors expected on the first attempt of cmake or could the errors
> indicate an underlying dependency issue? I have other build issues and I'm
> trying to rule out all the possibilities.
>
> When I first attempt cmake I get errors:
>
> -- U
what a nice holiday surprise
anyone else buy a n210 from seller "occupyonline" ?
They sent a envelope with a CDROM of ubuntu and some paperwork on how to
install!!
I know it was a gamble as he had "0" feedback. It looked legit, and to get one
for 1200$, with ebay buyer protection, I am not worr
I saw him selling an N210 one week, then the next he was trying to sell an
N210 + some Micro ATX machine for 2400$; I figured it was a scam after that
one...
On Mon, Dec 12, 2011 at 9:59 AM, dave k wrote:
> what a nice holiday surprise
> anyone else buy a n210 from seller "occupyonline" ?
> They
> Date: Mon, 12 Dec 2011 08:07:57 -0800
> From: j...@ettus.com
> To: osama_valencia...@hotmail.com; usrp-us...@lists.ettus.com
> Subject: Re: [Discuss-gnuradio] USRP1 questions
>
>
>
> On 12/12/2011 01:52 AM, osama mohamed wrote:
> >
> > hi all,
> > i am using USRP1 with basic tx and rx boa
Use the advanced tuning parameters.
http://files.ettus.com/uhd_docs/manual/html/general.html#tuning-notes
2011/12/12 osama mohamed :
>
>
>> Date: Mon, 12 Dec 2011 08:07:57 -0800
>> From: j...@ettus.com
>> To: osama_valencia...@hotmail.com; usrp-us...@lists.ettus.com
>> Subject: Re: [Discuss-gnura
On Mon, Dec 12, 2011 at 3:41 AM, Martin Braun wrote:
> * Do you randomly get either segfault or i/o error? I always get the i/o
> with this code..
>
I get both.
> * Your code stresses the WAV-code a lot :) What are you trying to
> accomplish? Are you finding a bug in wavfile_sink or do you n
hi josh,
i tried the example tx_waveforms.cpp using the following arguments --freq
100 --rate 800 --gain 20 --wave-type "SQUARE" --wave-freq 20 --ampl
0.3 --spb 1 but there is an under run error so is there any suggested
answer please
sorry for asking too much questions but i
On Mon, Dec 12, 2011 at 11:49:56AM +0100, Martin Braun wrote:
> On Sun, Dec 11, 2011 at 02:31:03PM -0500, Marcus D. Leech wrote:
> > I think that what I'd do is cause the close() method to simply set a flag
> > that
> > says "close desired", and then do the actual close at the end of
> > the wor
> Date: Wed, 7 Dec 2011 11:06:29 -0700
> From: b...@reynwar.net
> To: j...@ettus.com; discuss-gnuradio@gnu.org
> Subject: Re: [Discuss-gnuradio] Problem with new swig docs stuff
>
> On Tue, Dec 6, 2011 at 3:51 PM, Josh Blum wrote:
> > Tom/Ben,
> >
> > I
On Mon, Dec 12, 2011 at 10:37:35AM -0700, Matt Mills wrote:
> On Mon, Dec 12, 2011 at 3:41 AM, Martin Braun wrote:
>
> * Do you randomly get either segfault or i/o error? I always get the i/o
> with this code..
>
> I get both.
>
>
> * Your code stresses the WAV-code a lot :) What
On Mon, Dec 12, 2011 at 10:47 AM, Martin Braun wrote:
> On Mon, Dec 12, 2011 at 11:49:56AM +0100, Martin Braun wrote:
> > On Sun, Dec 11, 2011 at 02:31:03PM -0500, Marcus D. Leech wrote:
> > > I think that what I'd do is cause the close() method to simply set a
> flag that
> > > says "close desir
On Mon, Dec 12, 2011 at 10:57 AM, Matt Mills wrote:
>
> But wont this only close() a file when the sink is receiving samples? I
> would think it would be extremely confusing if close() doesnt actually
> close a file until the next sample is received, especially if there is a
> valve in front of t
2011/12/12 osama mohamed :
> hi josh,
>
> i tried the example tx_waveforms.cpp using the following arguments --freq
> 100 --rate 800 --gain 20 --wave-type "SQUARE" --wave-freq 20
> --ampl 0.3 --spb 1 but there is an under run error so is there any
> suggested answer please
>
> sorr
> >Really appreciate any of your suggestion!
> >
> Underrun is caused by your flow-graph not being able to provide samples to
> the hardware at the specified rate. It looks to me like in
> your flow-graph above, your message-queue can easily get starved for new
> bits, and so the entire flow-g
On 12/12/2011 01:41 PM, Yan Nie wrote:
Really appreciate any of your suggestion!
Underrun is caused by your flow-graph not being able to provide samples to the
hardware at the specified rate. It looks to me like in
your flow-graph above, your message-queue can easily get starved for new
b
On 12/12/2011 09:59 AM, Justin Ford wrote:
>
>
>
>
>> Date: Mon, 12 Dec 2011 08:44:48 -0800
>> From: j...@ettus.com
>> To: discuss-gnuradio@gnu.org
>> Subject: Re: [Discuss-gnuradio] cmake errors on first attempt with master
>> branch
>>
>>
>> Cant tel
Updated some Ubuntu depends that have come in "from the field",
including "gtk2-engines-pixbuf".
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
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On Wed, Dec 7, 2011 at 2:03 PM, Josh Blum wrote:
> I cant say yet as to why, but at least its reproducible.
I spent a few hours source diving today and gdb-stepping. I
could not figure it out, but I did find that it's broken in every
minor release after 2.0.1 (2.0.2, 3 and 4).
I finally gave u
On 12/12/2011 05:10 PM, Paul Miller wrote:
>
> On Wed, Dec 7, 2011 at 2:03 PM, Josh Blum wrote:
>> I cant say yet as to why, but at least its reproducible.
>
> I spent a few hours source diving today and gdb-stepping. I
> could not figure it out, but I did find that it's broken in every
> min
On Wed, Dec 7, 2011 at 1:06 PM, Ben Reynwar wrote:
> On Tue, Dec 6, 2011 at 3:51 PM, Josh Blum wrote:
> >
> >>
> >> [ 47%] Generating general_swig_doc.i
> >> Error in xml in file
> /home/gr/source/git/gnuradio/build/gnuradio-core/src/lib/swig/general_swig_doc_swig_docs/xml/gr__simple__framer__s
Hi,
There are example python code and grc from the repository. You can try it
yourself.
Regards,
Muhammad
On Tue, Dec 13, 2011 at 2:41 AM, MOHD RAFIQ wrote:
> Hi, is it possible to make gnuradio/usrp2/WBX & fedora 15, combination as
> FM transmitter to stream audio files as we can do in some s
Take also a look in here:
http://mmbtools.crc.ca/content/view/45/73/
and here:
http://www.opendigitalradio.org/index.php/FM_RDS_Stereo_transmitter_using_gnuradio
Best regards,
Rafael Diniz
> Hi,
>
> There are example python code and grc from the repository. You can try it
> yourself.
>
> Regards,
Hi,
I personally think we should include that as a part of pre-requisite
library required for Ubuntu.
Regards,
Muhammad Rosli
Student
University of Canterbury
On Tue, Dec 13, 2011 at 11:31 AM, Marcus D. Leech wrote:
> Updated some Ubuntu depends that have come in "from the field", including
>
Hi,
Initially I would like to recommend that links as I worried the gnuradio
has changed the source and sink for the USRP. But, I guess it wouldn't hurt.
Thanks Rafael.
Regards,
Muhammad Rosli
Student
University of Canterbury
On Tue, Dec 13, 2011 at 3:27 PM, Rafael Diniz wrote:
> Take also a
On Mon, Dec 12, 2011 at 05:19:13PM -0800, Josh Blum wrote:
> Its weird that feval works ok, I tried for a bit, but I couldnt figure
> out what was different about my blocks. This will take more effort to
> figure out if thats possible, but I do think its a bug in swig.
Well, let me know if I can h
Hi,
I'm using USRP2 with RFX2400 daughter board. I'm using GRC. By default which
antenna are used for USRP-source and USRP-sink?
PN
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On 12/12/2011 08:14 PM, Phone Naing MYINT wrote:
> Hi,
>
> I'm using USRP2 with RFX2400 daughter board. I'm using GRC. By default which
> antenna are used for USRP-source and USRP-sink?
http://files.ettus.com/uhd_docs/manual/html/dboards.html#rfx-series
-josh
On 12/12/11 11:14 PM, Phone Naing MYINT wrote:
>
> Hi,
>
>
>
> I'm using USRP2 with RFX2400 daughter board. I'm using GRC. By default
> which antenna are used for USRP-source and USRP-sink?
>
>
>
> PN
>
>
http://files.ettus.com/uhd_docs/manual/html/dboards.html#rfx-series
--
Principal Inve
Hi,
TX is clear, defaulted to TX/RX. RX default to direct conversion, what does it
mean? For receive, using TX/RX or RX2 provides same performance?
PN
-Original Message-
From: discuss-gnuradio-bounces+phonenaing.myint=sg.panasonic@gnu.org
[mailto:discuss-gnuradio-bounces+phonenain
On 12/12/2011 08:25 PM, Phone Naing MYINT wrote:
> Hi,
>
> TX is clear, defaulted to TX/RX. RX default to direct conversion, what does
> it mean?
RFX2400 is a direct conversion receiver *and* a direct conversion
transmitter. What the docs really should say:
1) When you tune the transmit chain
Hi,
I need to measure any metric(say RSSI) of one USRP2 from the other, to
implement a selection scheme that selects best USRP2 based on best metric.
what best can be measured to estimate the quality of the link.
All comments/suggestions are welcome
I am using gnuradio 3.5, on fedora 15.
USRP2
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