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Robin Getz
740cb53f0b
Initialize m_streamIndex to zero in the stream source constructor. BeamSteeringCWModBaseband subsequently assigns each source its actual stream index, but initializing the member ensures getStreamIndex() does not expose an indeterminate value during construction. Detected by cppcheck. Signed-off-by: Robin Getz <rgetz503@gmail.com>
71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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// Copyright (C) 2015-2017, 2019-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <cmath>
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#include "dsp/dsptypes.h"
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#include "beamsteeringcwmodstreamsource.h"
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BeamSteeringCWModStreamSource::BeamSteeringCWModStreamSource() :
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m_streamIndex(0),
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m_amp(SDR_TX_SCALEF/sqrt(2.0f)),
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m_phase(0)
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{
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m_real = m_amp;
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m_imag = 0.0f;
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}
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BeamSteeringCWModStreamSource::~BeamSteeringCWModStreamSource()
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{}
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void BeamSteeringCWModStreamSource::muteChannel(bool mute)
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{
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if (mute)
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{
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m_real = 0;
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m_imag = 0;
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}
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else
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{
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setPhase(m_phase);
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}
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}
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void BeamSteeringCWModStreamSource::setPhase(float phase)
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{
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float normPhase = phase < -M_PI ? -M_PI : phase > M_PI ? M_PI : phase;
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m_real = m_amp * cos(normPhase);
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m_imag = m_amp * sin(normPhase);
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m_phase = phase;
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}
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void BeamSteeringCWModStreamSource::pull(SampleVector::iterator begin, unsigned int nbSamples)
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{
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std::fill(begin, begin + nbSamples, Sample{m_real, m_imag});
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}
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void BeamSteeringCWModStreamSource::pullOne(Sample& sample)
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{
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sample.setReal(m_real);
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sample.setImag(m_imag);
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}
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void BeamSteeringCWModStreamSource::reset()
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{}
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