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osmosdr signal source: implement bandwidth selection

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New config file parameter:

SignalSource.if_bw=<bandwidth in Hz>

Signed-off-by: Vladisslav P <vladisslav2011@gmail.com>
This commit is contained in:
Vladisslav P 2022-07-06 08:25:50 +03:00
parent cb52bc71e8
commit 3491fed625
2 changed files with 8 additions and 0 deletions
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7
src/algorithms/signal_source/adapters/osmosdr_signal_source.cc
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@ -42,6 +42,7 @@ OsmosdrSignalSource::OsmosdrSignalSource(const ConfigurationInterface* configura
gain_(configuration->property(role + ".gain", 40.0)), gain_(configuration->property(role + ".gain", 40.0)),
if_gain_(configuration->property(role + ".if_gain", 40.0)), if_gain_(configuration->property(role + ".if_gain", 40.0)),
rf_gain_(configuration->property(role + ".rf_gain", 40.0)), rf_gain_(configuration->property(role + ".rf_gain", 40.0)),
if_bw_(configuration->property(role + ".if_bw", 0.0)),
samples_(configuration->property(role + ".samples", static_cast<int64_t>(0))), samples_(configuration->property(role + ".samples", static_cast<int64_t>(0))),
in_stream_(in_stream), in_stream_(in_stream),
out_stream_(out_stream), out_stream_(out_stream),
@ -118,6 +119,12 @@ OsmosdrSignalSource::OsmosdrSignalSource(const ConfigurationInterface* configura
} }
} }
// 5. set bandwidth
if (if_bw_ > 0.0)
{
osmosdr_source_->set_bandwidth(if_bw_, 0);
}
// Get actual bandwidth // Get actual bandwidth
std::cout << "Actual Bandwidth: " << osmosdr_source_->get_bandwidth(0) << " [Hz]...\n"; std::cout << "Actual Bandwidth: " << osmosdr_source_->get_bandwidth(0) << " [Hz]...\n";
} }

1
src/algorithms/signal_source/adapters/osmosdr_signal_source.h
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@ -79,6 +79,7 @@ private:
double gain_; double gain_;
double if_gain_; double if_gain_;
double rf_gain_; double rf_gain_;
double if_bw_;
size_t item_size_; size_t item_size_;
int64_t samples_; int64_t samples_;