RTL2832 GNU Radio Source block now in gr-baz

Balint Seeber balint256 at gmail.com
Thu Mar 29 15:25:22 UTC 2012


Hi folks,

 

I've just added RTL2832 support to gr-baz
<http://wiki.spench.net/wiki/Gr-baz>  with support for both tuners (Elonics
E4000 and Fitipower FC0013).

 

I've taken rtl-sdr <http://sdr.osmocom.org/trac/wiki/rtl-sdr>  and created a
fully-featured GNU Radio Source block
<http://wiki.spench.net/wiki/Gr-baz#rtl_source_c> 'baz.rtl_source_c' (with
GRC block) that outputs complex values, and allows adjustment of frequency,
sample rate and LNA gain. There is also an optional automatic tuner mode
control for the E4000. The Source block performs internal multi-threaded
buffering for smoother performance (this might be over-engineered, but it
seemed to help with the ExtIO plugin
<http://wiki.spench.net/wiki/USRP_Interfaces>  I mentioned in my previous
post here).

 

You can get the source code from my SVN <http://svn.spench.net/main/gr-baz/>
or github <https://github.com/balint256/gr-baz>  (though please visit the
info page <http://wiki.spench.net/wiki/Gr-baz#rtl_source_c>  first for more
info/pre-reqs - e.g. libusb-1.0, etc). It's experimental, and not the
prettiest because I actually ported it back from the ExtIO plugin, but it
works for me and if you want to help test/clean it up then that would be
very much appreciated!

 

To see it in action, have a peek here: http://youtu.be/FUQd9HOVTk8

 

Balint @spenchdotnet <http://twitter.com/spenchdotnet> 

 

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