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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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This allows tuning to 27 MHz for example (civil band).
Best results are achieved when setting the gain to
very low values.
Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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This fixes the issue of the FC0013 locking up at frequencies
between 928.0 and 950.0 MHz, which happened because
the numerator of the fraction exceeded its 5 bit limit.
For the tuner to behave normally again, the dongle needed
to be replugged.
For the FC0013 this now results in a small gap between
948.6 MHz and 950.0 MHz, where no valid PLL values
are existant.
For the FC0012 tuning is aborted when the maximum
frequency has been reached (948.6 MHz).
Signed-off-by: Steve Markgraf <steve@steve-m.de>
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"this decimal constant is unsigned only in ISO C90"
Signed-off-by: Steve Markgraf <steve@steve-m.de>
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We now use Hz instead of kHz for the internal
calculations, and thus improve the tuning resolution
to ~50 Hz (tested with DAB).
Signed-off-by: Steve Markgraf <steve@steve-m.de>
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The driver was taken from http://git.linuxtv.org/ and adapted
for librtlsdr. Also, fc0013_set_gain() was added.
Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Usually both, the RTL and the tuner ICs use the same clock. Changing the
clock may make sense if you are applying an external clock to the tuner
or to compensate the frequency (and samplerate) error caused by the
original cheap crystal.
This commit covers all tuner drivers except of the Fitipower FC2580
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private headers
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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Signed-off-by: Steve Markgraf <steve@steve-m.de>
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