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68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 Edouard Griffiths, F4EXB //
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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_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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