Indeed, F****ng awesome! Do you plan to submit upstream your gr-baz? People, in dealextreme store the dongle is sold out. I do not want to start an off-topic trend, but could you please mail me in private where are you buying such dongle?
Best regards, Rafael Diniz > Awesome! I'm still waiting on my RTL-based card to arrive via snail-mail > from an unknown factory on the other side of the world. Will test when it > arrives! > > From: [email protected] > [mailto:[email protected]] On > Behalf Of Balint Seeber > Sent: Thursday, March 29, 2012 11:22 AM > To: [email protected] > Subject: [Discuss-gnuradio] RTL2832 ($20 USB SDR) support now in gr-baz > > Hi folks, > > I've just added RTL2832 support to gr-baz with support for both tuners > (Elonics E4000 and Fitipower FC0013). > > If you're not aware, this is sold as a DVB-T USB receiver for ~$20, which > is a pretty decent price for a device that can do general purpose SDR at > 3.2 MHz and 8-bits! The journey starts with Antti > Palosaari<http://thread.gmane.org/gmane.linux.drivers.video-input-infrastructure/44461/focus=44461> > who discovered it can be put in a mode where it streams baseband data > directly over USB (for analog FM demodulation in software). This resulted > in Steve Markgraf's rtl-sdr<http://sdr.osmocom.org/trac/wiki/rtl-sdr> > user-space capture utility over at Osmocom (see the Osmocom page to find > compatible devices). > > I've taken that source and created a fully-featured GNU Radio Source block > 'baz.rtl_source_c'<http://wiki.spench.net/wiki/Gr-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. If you also like using > Winrad/HDSDR/WRplus, my ExtIO > plugin<http://wiki.spench.net/wiki/USRP_Interfaces> now has support for > the device too. 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). > > 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> > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
