Hi Andy, Please note that development happens on git.osmocom.org so it's probably better to copy their mailing list as well.
Regards, Adrian On May 4, 2018 2:24:46 PM UTC, Andy Walls <[email protected]> wrote: >> From: Dirk Gorissen >> Date: Thu, 3 May 2018 22:25:09 +0100 >> >> Hello, >> >> Im using an airspy mini through the osmosdr block. I would like >> control over the 3 gains the airspy has (IF, Mixer, LNA) but the >> osmossdr block does not seem to expose this. Is there a workaround? > >The C++ and Python interfaces look like they support setting them: > >https://github.com/osmocom/gr-osmosdr/blob/master/include/osmosdr/source.h#L185 >https://github.com/osmocom/gr-osmosdr/blob/master/lib/source_impl.h#L59 >https://github.com/osmocom/gr-osmosdr/blob/master/lib/source_impl.cc#L667 >https://github.com/osmocom/gr-osmosdr/blob/master/lib/source_iface.h#L165 >https://github.com/osmocom/gr-osmosdr/blob/master/lib/airspy/airspy_source_c.h#L108 >https://github.com/osmocom/gr-osmosdr/blob/master/lib/airspy/airspy_source_c.cc#L533 > >but the GRC file for the GUI block doesn't appear to let you call these >from GRC. > >Workaround: > >In the Python script generated by GRC, you should be able to make the >following calls where appropriate: > > # Turn off hardware AGC > source_block_instance.set_gain_mode(False, 0) > > # Set gains > source_block_instance.set_gain(desired_lna_gain, 'LNA', 0) > source_block_instance.set_gain(desired_mix_gain, 'MIX', 0) > >source_block_instance.set_gain(desired_if_gain, 'IF', 0) > > >The proper fix, is to fix this GRC block XML generator script to >present a tab for input of named gains, and to add callbacks for those >named gains: > >https://github.com/osmocom/gr-osmosdr/blob/master/grc/gen_osmosdr_blocks.py > > >Regards, >Andy > >> Cheers >> Dirk > > >_______________________________________________ >Discuss-gnuradio mailing list >[email protected] >https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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