rtl: read out gain values via library api

This commit is contained in:
Dimitri Stolnikov 2012-06-02 01:18:07 +02:00
parent cd1db62699
commit 27dff71304
2 changed files with 34 additions and 28 deletions

View File

@ -312,16 +312,16 @@ osmosdr::meta_range_t rtl_source_c::get_sample_rates()
{
osmosdr::meta_range_t range;
range += osmosdr::range_t( 1000000 ); // known to work
range += osmosdr::range_t( 1024000 ); // known to work
range += osmosdr::range_t( 1800000 ); // known to work
range += osmosdr::range_t( 1920000 ); // known to work
range += osmosdr::range_t( 2048000 ); // known to work
range += osmosdr::range_t( 2400000 ); // may work
range += osmosdr::range_t( 2400000 ); // known to work
range += osmosdr::range_t( 2600000 ); // may work
range += osmosdr::range_t( 2800000 ); // may work
range += osmosdr::range_t( 3000000 ); // may work
range += osmosdr::range_t( 3200000 ); // max rate, may work
// TODO: read from the librtlsdr as soon as the api is available
range += osmosdr::range_t( 3200000 ); // max rate
return range;
}
@ -347,9 +347,20 @@ osmosdr::freq_range_t rtl_source_c::get_freq_range( size_t chan )
{
osmosdr::freq_range_t range;
range += osmosdr::range_t( 50e6, 2.2e9, 100 );
if (_dev) {
enum rtlsdr_tuner tuner = rtlsdr_get_tuner_type(_dev);
// TODO: read from the librtlsdr as soon as the api is available
if ( tuner == RTLSDR_TUNER_E4000 ) {
/* there is a (temperature dependent) gap between 1100 to 1250 MHz */
range += osmosdr::range_t( 50e6, 2.2e9, 100 );
} else if ( tuner == RTLSDR_TUNER_FC0012 ) {
/* range += osmosdr::range_t( 50e6, 2.2e9, 100 ); */
} else if ( tuner == RTLSDR_TUNER_FC0013 ) {
/* range += osmosdr::range_t( 50e6, 2.2e9, 100 ); */
} else if ( tuner == RTLSDR_TUNER_FC2580 ) {
/* range += osmosdr::range_t( 50e6, 2.2e9, 100 ); */
}
}
return range;
}
@ -399,26 +410,15 @@ osmosdr::gain_range_t rtl_source_c::get_gain_range( size_t chan )
{
osmosdr::gain_range_t range;
range += osmosdr::range_t( -1.0 );
range += osmosdr::range_t( 1.5 );
range += osmosdr::range_t( 4.0 );
range += osmosdr::range_t( 6.5 );
range += osmosdr::range_t( 9.0 );
range += osmosdr::range_t( 11.5 );
range += osmosdr::range_t( 14.0 );
range += osmosdr::range_t( 16.5 );
range += osmosdr::range_t( 19.0 );
range += osmosdr::range_t( 21.5 );
range += osmosdr::range_t( 24.0 );
range += osmosdr::range_t( 29.0 );
range += osmosdr::range_t( 34.0 );
range += osmosdr::range_t( 42.0 );
range += osmosdr::range_t( 43.0 );
range += osmosdr::range_t( 45.0 );
range += osmosdr::range_t( 47.0 );
range += osmosdr::range_t( 49.0 );
// TODO: read from the librtlsdr as soon as the api is available
if (_dev) {
int count = rtlsdr_get_tuner_gains(_dev, NULL);
if (count > 0) {
int gains[ count ];
count = rtlsdr_get_tuner_gains(_dev, gains);
for (int i = 0; i < count; i++)
range += osmosdr::range_t( gains[i] / 10.0 );
}
}
return range;
}

View File

@ -120,14 +120,16 @@ osmosdr::meta_range_t rtl_tcp_source_c::get_sample_rates( void )
{
osmosdr::meta_range_t range;
range += osmosdr::range_t( 1000000 ); // known to work
range += osmosdr::range_t( 1024000 ); // known to work
range += osmosdr::range_t( 1800000 ); // known to work
range += osmosdr::range_t( 1920000 ); // known to work
range += osmosdr::range_t( 2048000 ); // known to work
range += osmosdr::range_t( 2400000 ); // may work
range += osmosdr::range_t( 2400000 ); // known to work
range += osmosdr::range_t( 2600000 ); // may work
range += osmosdr::range_t( 2800000 ); // may work
range += osmosdr::range_t( 3000000 ); // may work
range += osmosdr::range_t( 3200000 ); // max rate, may work
range += osmosdr::range_t( 3200000 ); // max rate
return range;
}
@ -148,6 +150,8 @@ double rtl_tcp_source_c::get_sample_rate( void )
osmosdr::freq_range_t rtl_tcp_source_c::get_freq_range( size_t chan )
{
// FIXME: assumption on E4000 tuner
osmosdr::freq_range_t range(50e6, 2.2e6, 100);
return range;
@ -190,6 +194,8 @@ osmosdr::gain_range_t rtl_tcp_source_c::get_gain_range( size_t chan )
{
osmosdr::gain_range_t range;
// FIXME: assumption on E4000 tuner
range += osmosdr::range_t( -1.0 );
range += osmosdr::range_t( 1.5 );
range += osmosdr::range_t( 4.0 );