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 Forum index » Advanced Topics » Hardware
Software defined radio with (ABANDONED)
Moderators: Flash, Ian, JohnMurga
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Mercedes350se

Joined: 16 Apr 2008
Posts: 632

PostPosted: Sat 18 Aug 2012, 04:09    Post subject:  Software defined radio with (ABANDONED)
Subject description: Realtek RTL2832U/Elonics E4000
 

Found this site as a result of a post on another forum:

http://superkuh.com/gnuradio.html

Anybody doing this with Puppy and on which version?

Last edited by Mercedes350se on Wed 24 Oct 2012, 21:29; edited 2 times in total
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Sage

Joined: 04 Oct 2005
Posts: 4782
Location: GB

PostPosted: Sat 18 Aug 2012, 14:56    Post subject:  

Thanks for the tip. Maybe place a duplicate in 'Hardware' section since it benefits from some fiddling, maybe also in 'Development' as scope for coding mods. too?
Folks thinking this may be a little way out, might prefer the easy-cheating option:
http://www.ebay.co.uk/itm/Digital-TV-Box-LCD-VGA-AV-Tuner-DVB-T-FreeView-Receiver-/120645143541?_trksid=p4012.m2037&_trkparms=aid%3D555001%26algo%3DPW.CURRENT%26ao%3D1%26asc%3D26%26meid%3D1418929795944851077%26pid%3D100032%26prg%3D1010%26rk%3D7%26
although it doesn't work on NTSC (US, Canada &Mexico).

It's deals like this that make the PRC great and the HK division, greatest! They used to invent and build stuff in this sector in the UK when I were 't lad. Back then, our rockets were bigger, better and more reliable than von Braun's in the USA. What went wrong?!
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DC


Joined: 30 Apr 2006
Posts: 353
Location: Maidenhead, England

PostPosted: Thu 23 Aug 2012, 03:26    Post subject: Driver  

Awaiting the driver

Quote:
rtl2832u driver, kernel 3.6. 3.5 RC kernel.


from this post about 3/4 down the page

http://www.murga-linux.com/puppy/viewtopic.php?t=76247&start=570

However I do have the driver working in the puppy 528 series for DVB so that might be a starting point for you.

DC

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Sage

Joined: 04 Oct 2005
Posts: 4782
Location: GB

PostPosted: Thu 23 Aug 2012, 11:25    Post subject:  

Ta! My rtl2832u is winging its way from HK as we speak.
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Mercedes350se

Joined: 16 Apr 2008
Posts: 632

PostPosted: Fri 24 Aug 2012, 00:03    Post subject:  

I was really looking for advice on things like rtlsdr, GNURadio and/or Gqrx.

Edit: I have booted into my frugal install of Macpup 5.2.8 and have found this site:

http://gnuradio.org/redmine/projects/gnuradio/wiki/InstallingGR

which states "For the impatient: open a terminal window, move to the directory you would like the source files to be stored (e.g. 'cd src/') and run this command:

$ wget http://www.sbrac.org/files/build-gnuradio && chmod a+x ./build-gnuradio && ./build-gnuradio

build-gnuradio is downloaded but I get this message:

Please run this script as an ordinary user
it will acquire root privileges as it needs them via "sudo".

I was under the impression that I was "an ordinary user".
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pemasu


Joined: 08 Jul 2009
Posts: 5463
Location: Finland

PostPosted: Fri 24 Aug 2012, 01:09    Post subject:  

Open the script and remove every sudo command from it. Generic advice for those sudo included scripts.
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Sage

Joined: 04 Oct 2005
Posts: 4782
Location: GB

PostPosted: Fri 24 Aug 2012, 06:59    Post subject:  

BK wrote yesterday on his blog:
Quote:
I have configured the 3.2.28 kernel the same, except enabled some more digital radio/tv drivers, plus enabled KMS by-default for Radeon and Intel i915 video.

So maybe we will be get lucky?
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Mercedes350se

Joined: 16 Apr 2008
Posts: 632

PostPosted: Mon 03 Sep 2012, 04:24    Post subject:  

pemasu wrote:
Open the script and remove every sudo command from it. Generic advice for those sudo included scripts.


I thought I went through the script methodically but without joy. Operator error I would think!

Moving away from the build script altogether another thought was to use SDR# as described here:

http://rtlsdr.org/softwarelinux

I am up to my ears with domestic chores at the moment so haven't the time necessary to try the method.

Sage wrote:
Ta! My rtl2832u is winging its way from HK as we speak.


I am looking forward to hearing of your success.
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superkuh

Joined: 19 Oct 2012
Posts: 1

PostPosted: Fri 19 Oct 2012, 18:17    Post subject: rtl-sdr  

Hi. I'm the superkuh who runs the site referenced in this thread. I just thought I'd pop in to clear up some things.

You don't need to install GNU Radio in order to use rtl-sdr. If you want to use GNU Radio based receivers like gqrx, sure, but there are plenty of receivers which just use the raw output of rtl-sdr. The build-gnuradio script does do handy things like setting up udev rules for the dongle though... which may or may not apply to Puppy.

In order to build rtl-sdr binaries you only need to follow the instructions on the Osmocom rtl-sdr wiki, http://sdr.osmocom.org/trac/wiki/rtl-sdr
Code:
git clone git://git.osmocom.org/rtl-sdr.git
cd rtl-sdr/
mkdir build
cd build
cmake ../
make
sudo make install
sudo ldconfig
Then you can play with rtl_fm to do some quick decoding, or use a third party SDR application like the above referenced SDR#. Now that you have rtl-sdr installed head on over to http://sdr.osmocom.org/trac/wiki/rtl-sdr#KnownApps and pick up software to process the data.

If you run into any problems with the rtl-sdr compile stop in to Freenode IRC's ##rtlsdr. It's very active.
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Mercedes350se

Joined: 16 Apr 2008
Posts: 632

PostPosted: Mon 22 Oct 2012, 01:18    Post subject:  

Thank you but I tried all that with Zorin OS 6 - based on Ubuntu 12.04 I think - so that I "shouldn't" have any problems.

All fine in theory! Gave up in the end. Life is too short.

Noob question. How to "stop in to Freenode IRC's ##rtlsdr. It's very active."?
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edoc


Joined: 07 Aug 2005
Posts: 4367
Location: Southeast Georgia, USA

PostPosted: Sat 02 Feb 2013, 15:25    Post subject: SDR-RTL gnuradio  

Since this is an increasing vs decreasing area of need it seems this thread needs to be re-opened.

I have tried to follow the instructions to install build-gnuradio and hit a wall.

I am using Exprimo 5x15 at the moment.

1. It wants to run with a non-root user.
(I commented-out that section of the build code & moved on)

2. Then it complained that there was insufficient space - even though there's 11G available.
(I have been trying to work-out a solution elsewhere but it seems the thread belongs here.)

In this other discussion someone blamed Puppy for being the problem - I am thinking that someone who is familiar with Puppy will spot the problem and the solution.
[url]
http://www.murga-linux.com/puppy/viewtopic.php?p=681780#681780[/url]

Help, please?

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drspastic


Joined: 29 Aug 2008
Posts: 90
Location: ruse, bulgaria

PostPosted: Mon 01 Jul 2013, 08:03    Post subject:  

definately needs reopening. i even hit a wall trying to get the sdr stuff running on debian except for single chan via command line,
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edoc


Joined: 07 Aug 2005
Posts: 4367
Location: Southeast Georgia, USA

PostPosted: Mon 01 Jul 2013, 09:55    Post subject:  

I started a new thread here:

http://www.murga-linux.com/puppy/viewtopic.php?p=711065#711065

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Home page: http://nevils-station.com
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