Re: rtl2832_sdr and /dev/swradio0

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Le mardi 31 janvier 2017 à 17:50 +0000, Russel Winder a écrit :
> Hi,
> 
> Is anyone actively working on the rtl2832_sdr driver?
> 
> I am particularly interested in anyone who has code for turning the
> byte stream from /dev/swradio0 into an ETI stream. Or failing that
> getting enough data about the API for using /dev/swradio0 so as to
> write a byte sequence to ETI driver based on the dab2eti program in
> DABtool (which uses the librtlsdr mechanism instead of the
> /dev/swradio0 one).

This device works like any V4L2 driver, with the differences explained
here:

https://linuxtv.org/downloads/v4l-dvb-apis-new/uapi/v4l/dev-sdr.html

For the rest I'm no expert. You can probably port dab2eti to use this
interface instead of librtlsdr and keep the rest. You may be able to
skip an fft if your driver supports it, otherwise you'll get RU12, that
you'll probably have to convert to floats before passing to the rest of
the processing code.

regards,
Nicolas

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