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Merge branch 'vladisslav2011-osmosdr-bw' into next

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Carles Fernandez 2022-07-06 14:03:58 +02:00
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2
docs/CHANGELOG.md
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@ -60,6 +60,8 @@ All notable changes to GNSS-SDR will be documented in this file.
load on the data link and thus allow more bandwidth. load on the data link and thus allow more bandwidth.
- Added gain setting and reading for the XTRX board when using the - Added gain setting and reading for the XTRX board when using the
`Osmosdr_Signal_Source` implementation of a `SignalSource`. `Osmosdr_Signal_Source` implementation of a `SignalSource`.
- The `Osmosdr_Signal_Source` implementation learned a new parameter `if_bw` to
manually set the bandwidth of the bandpass filter on the radio frontend.
See the definitions of concepts and metrics at See the definitions of concepts and metrics at
https://gnss-sdr.org/design-forces/ https://gnss-sdr.org/design-forces/

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_;