kopia lustrzana https://github.com/f4exb/sdrangel
222 wiersze
5.9 KiB
C++
222 wiersze
5.9 KiB
C++
/* mpeak.c
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This file is part of a program that implements a Software-Defined Radio.
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Copyright (C) 2014, 2022, 2023 Warren Pratt, NR0V
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Copyright (C) 2024 Edouard Griffiths, F4EXB Adapted to SDRangel
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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 for more details.
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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, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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The author can be reached by email at
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warren@wpratt.com
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*/
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#include "comm.hpp"
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#include "mpeak.hpp"
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#include "speak.hpp"
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#include "RXA.hpp"
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#include "TXA.hpp"
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namespace WDSP {
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/********************************************************************************************************
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* *
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* Complex Multiple Peaking *
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* *
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********************************************************************************************************/
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void MPEAK::calc_mpeak (MPEAK *a)
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{
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int i;
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a->tmp = new float[a->size * 2]; // (float *) malloc0 (a->size * sizeof (complex));
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a->mix = new float[a->size * 2]; // (float *) malloc0 (a->size * sizeof (complex));
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for (i = 0; i < a->npeaks; i++)
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{
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a->pfil[i] = SPEAK::create_speak (
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1,
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a->size,
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a->in,
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a->tmp,
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a->rate,
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a->f[i],
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a->bw[i],
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a->gain[i],
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a->nstages,
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1
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);
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}
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}
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void MPEAK::decalc_mpeak (MPEAK *a)
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{
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int i;
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for (i = 0; i < a->npeaks; i++)
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SPEAK::destroy_speak (a->pfil[i]);
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delete[] (a->mix);
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delete[] (a->tmp);
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}
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MPEAK* MPEAK::create_mpeak (
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int run,
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int size,
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float* in,
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float* out,
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int rate,
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int npeaks,
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int* enable,
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double* f,
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double* bw,
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double* gain,
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int nstages
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)
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{
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MPEAK *a = new MPEAK;
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a->run = run;
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a->size = size;
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a->in = in;
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a->out = out;
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a->rate = rate;
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a->npeaks = npeaks;
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a->nstages = nstages;
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a->enable = new int[a->npeaks]; // (int *) malloc0 (a->npeaks * sizeof (int));
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a->f = new double[a->npeaks]; // (float *) malloc0 (a->npeaks * sizeof (float));
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a->bw = new double[a->npeaks]; // (float *) malloc0 (a->npeaks * sizeof (float));
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a->gain = new double[a->npeaks]; // (float *) malloc0 (a->npeaks * sizeof (float));
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memcpy (a->enable, enable, a->npeaks * sizeof (int));
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memcpy (a->f, f, a->npeaks * sizeof (double));
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memcpy (a->bw, bw, a->npeaks * sizeof (double));
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memcpy (a->gain, gain, a->npeaks * sizeof (double));
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a->pfil = new SPEAK*[a->npeaks]; // (SPEAK *) malloc0 (a->npeaks * sizeof (SPEAK));
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calc_mpeak (a);
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return a;
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}
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void MPEAK::destroy_mpeak (MPEAK *a)
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{
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decalc_mpeak (a);
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delete[] (a->pfil);
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delete[] (a->gain);
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delete[] (a->bw);
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delete[] (a->f);
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delete[] (a->enable);
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delete (a);
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}
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void MPEAK::flush_mpeak (MPEAK *a)
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{
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int i;
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for (i = 0; i < a->npeaks; i++)
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SPEAK::flush_speak (a->pfil[i]);
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}
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void MPEAK::xmpeak (MPEAK *a)
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{
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if (a->run)
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{
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int i, j;
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std::fill(a->mix, a->mix + a->size * 2, 0);
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for (i = 0; i < a->npeaks; i++)
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{
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if (a->enable[i])
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{
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SPEAK::xspeak (a->pfil[i]);
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for (j = 0; j < 2 * a->size; j++)
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a->mix[j] += a->tmp[j];
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}
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}
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std::copy(a->mix, a->mix + a->size * 2, a->out);
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}
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else if (a->in != a->out)
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{
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std::copy( a->in, a->in + a->size * 2, a->out);
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}
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}
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void MPEAK::setBuffers_mpeak (MPEAK *a, float* in, float* out)
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{
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decalc_mpeak (a);
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a->in = in;
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a->out = out;
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calc_mpeak (a);
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}
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void MPEAK::setSamplerate_mpeak (MPEAK *a, int rate)
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{
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decalc_mpeak (a);
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a->rate = rate;
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calc_mpeak (a);
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}
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void MPEAK::setSize_mpeak (MPEAK *a, int size)
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{
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decalc_mpeak (a);
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a->size = size;
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calc_mpeak (a);
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}
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/********************************************************************************************************
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* *
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* RXA Properties *
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* *
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********************************************************************************************************/
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void MPEAK::SetmpeakRun (RXA& rxa, int run)
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{
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MPEAK *a = rxa.mpeak;
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a->run = run;
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}
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void MPEAK::SetmpeakNpeaks (RXA& rxa, int npeaks)
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{
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MPEAK *a = rxa.mpeak;
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a->npeaks = npeaks;
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}
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void MPEAK::SetmpeakFilEnable (RXA& rxa, int fil, int enable)
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{
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MPEAK *a = rxa.mpeak;
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a->enable[fil] = enable;
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}
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void MPEAK::SetmpeakFilFreq (RXA& rxa, int fil, double freq)
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{
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MPEAK *a = rxa.mpeak;
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a->f[fil] = freq;
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a->pfil[fil]->f = freq;
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SPEAK::calc_speak(a->pfil[fil]);
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}
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void MPEAK::SetmpeakFilBw (RXA& rxa, int fil, double bw)
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{
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MPEAK *a = rxa.mpeak;
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a->bw[fil] = bw;
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a->pfil[fil]->bw = bw;
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SPEAK::calc_speak(a->pfil[fil]);
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}
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void MPEAK::SetmpeakFilGain (RXA& rxa, int fil, double gain)
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{
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MPEAK *a = rxa.mpeak;
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a->gain[fil] = gain;
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a->pfil[fil]->gain = gain;
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SPEAK::calc_speak(a->pfil[fil]);
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}
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} // namespace WDSP
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