kopia lustrzana https://github.com/f4exb/sdrangel
68 wiersze
2.3 KiB
C++
68 wiersze
2.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
|
|
// //
|
|
// This program is free software; you can redistribute it and/or modify //
|
|
// it under the terms of the GNU General Public License as published by //
|
|
// the Free Software Foundation as version 3 of the License, or //
|
|
// (at your option) any later version. //
|
|
// //
|
|
// This program is distributed in the hope that it will be useful, //
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
|
// GNU General Public License V3 for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <cmath>
|
|
|
|
#include "dsp/dsptypes.h"
|
|
#include "beamsteeringcwmodstreamsource.h"
|
|
|
|
BeamSteeringCWModStreamSource::BeamSteeringCWModStreamSource() :
|
|
m_amp(SDR_TX_SCALEF/sqrt(2.0f)),
|
|
m_phase(0)
|
|
{
|
|
m_real = m_amp;
|
|
m_imag = 0.0f;
|
|
}
|
|
|
|
BeamSteeringCWModStreamSource::~BeamSteeringCWModStreamSource()
|
|
{}
|
|
|
|
void BeamSteeringCWModStreamSource::muteChannel(bool mute)
|
|
{
|
|
if (mute)
|
|
{
|
|
m_real = 0;
|
|
m_imag = 0;
|
|
}
|
|
else
|
|
{
|
|
setPhase(m_phase);
|
|
}
|
|
}
|
|
|
|
void BeamSteeringCWModStreamSource::setPhase(float phase)
|
|
{
|
|
float normPhase = phase < -M_PI ? -M_PI : phase > M_PI ? M_PI : phase;
|
|
m_real = m_amp * cos(normPhase);
|
|
m_imag = m_amp * sin(normPhase);
|
|
m_phase = phase;
|
|
}
|
|
|
|
void BeamSteeringCWModStreamSource::pull(SampleVector::iterator begin, unsigned int nbSamples)
|
|
{
|
|
std::fill(begin, begin + nbSamples, Sample{m_real, m_imag});
|
|
}
|
|
|
|
void BeamSteeringCWModStreamSource::pullOne(Sample& sample)
|
|
{
|
|
sample.setReal(m_real);
|
|
sample.setImag(m_imag);
|
|
}
|
|
|
|
void BeamSteeringCWModStreamSource::reset()
|
|
{}
|