forked from sdr/gr-osmosdr
rtl: add named gain stage "IF"
This commit is contained in:
parent
d4de9d18c1
commit
864712bad0
|
@ -87,6 +87,7 @@ rtl_source_c::rtl_source_c (const std::string &args)
|
|||
_running(true),
|
||||
_no_tuner(false),
|
||||
_auto_gain(false),
|
||||
_if_gain(0),
|
||||
_skipped(0)
|
||||
{
|
||||
int ret;
|
||||
|
@ -499,11 +500,17 @@ double rtl_source_c::get_freq_corr( size_t chan )
|
|||
|
||||
std::vector<std::string> rtl_source_c::get_gain_names( size_t chan )
|
||||
{
|
||||
std::vector< std::string > gains;
|
||||
std::vector< std::string > names;
|
||||
|
||||
gains += "LNA";
|
||||
names += "LNA";
|
||||
|
||||
return gains;
|
||||
if ( _dev ) {
|
||||
if ( rtlsdr_get_tuner_type(_dev) == RTLSDR_TUNER_E4000 ) {
|
||||
names += "IF";
|
||||
}
|
||||
}
|
||||
|
||||
return names;
|
||||
}
|
||||
|
||||
osmosdr::gain_range_t rtl_source_c::get_gain_range( size_t chan )
|
||||
|
@ -526,6 +533,16 @@ osmosdr::gain_range_t rtl_source_c::get_gain_range( size_t chan )
|
|||
|
||||
osmosdr::gain_range_t rtl_source_c::get_gain_range( const std::string & name, size_t chan )
|
||||
{
|
||||
if ( "IF" == name ) {
|
||||
if ( _dev ) {
|
||||
if ( rtlsdr_get_tuner_type(_dev) == RTLSDR_TUNER_E4000 ) {
|
||||
return osmosdr::gain_range_t(3, 56, 1);
|
||||
} else {
|
||||
return osmosdr::gain_range_t();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return get_gain_range( chan );
|
||||
}
|
||||
|
||||
|
@ -560,6 +577,10 @@ double rtl_source_c::set_gain( double gain, size_t chan )
|
|||
|
||||
double rtl_source_c::set_gain( double gain, const std::string & name, size_t chan)
|
||||
{
|
||||
if ( "IF" == name ) {
|
||||
return set_if_gain( gain, chan );
|
||||
}
|
||||
|
||||
return set_gain( gain, chan );
|
||||
}
|
||||
|
||||
|
@ -573,11 +594,22 @@ double rtl_source_c::get_gain( size_t chan )
|
|||
|
||||
double rtl_source_c::get_gain( const std::string & name, size_t chan )
|
||||
{
|
||||
if ( "IF" == name ) {
|
||||
return _if_gain;
|
||||
}
|
||||
|
||||
return get_gain( chan );
|
||||
}
|
||||
|
||||
double rtl_source_c::set_if_gain(double gain, size_t chan)
|
||||
{
|
||||
if ( _dev ) {
|
||||
if ( rtlsdr_get_tuner_type(_dev) != RTLSDR_TUNER_E4000 ) {
|
||||
_if_gain = 0;
|
||||
return _if_gain;
|
||||
}
|
||||
}
|
||||
|
||||
std::vector< osmosdr::gain_range_t > if_gains;
|
||||
|
||||
if_gains += osmosdr::gain_range_t(-3, 6, 9);
|
||||
|
@ -630,6 +662,7 @@ double rtl_source_c::set_if_gain(double gain, size_t chan)
|
|||
}
|
||||
}
|
||||
|
||||
_if_gain = gain;
|
||||
return gain;
|
||||
}
|
||||
|
||||
|
|
|
@ -136,6 +136,7 @@ private:
|
|||
|
||||
bool _no_tuner;
|
||||
bool _auto_gain;
|
||||
double _if_gain;
|
||||
unsigned int _skipped;
|
||||
};
|
||||
|
||||
|
|
Loading…
Reference in New Issue