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118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
/* gain.c
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This file is part of a program that implements a Software-Defined Radio.
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Copyright (C) 2013 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 "gain.hpp"
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namespace WDSP {
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GAIN* GAIN::create_gain (int run, int* prun, int size, float* in, float* out, float Igain, float Qgain)
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{
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GAIN *a = new GAIN;
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a->run = run;
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a->prun = prun;
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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->Igain = Igain;
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a->Qgain = Qgain;
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return a;
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}
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void GAIN::destroy_gain (GAIN *a)
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{
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delete (a);
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}
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void GAIN::flush_gain (GAIN *)
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{
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}
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void GAIN::xgain (GAIN *a)
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{
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int srun;
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if (a->prun != 0)
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srun = *(a->prun);
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else
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srun = 1;
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if (a->run && srun)
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{
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int i;
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for (i = 0; i < a->size; i++)
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{
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a->out[2 * i + 0] = a->Igain * a->in[2 * i + 0];
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a->out[2 * i + 1] = a->Qgain * a->in[2 * i + 1];
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}
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}
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else if (a->in != a->out)
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std::copy( a->in, a->in + a->size * 2, a->out);
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}
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void GAIN::setBuffers_gain (GAIN *a, float* in, float* out)
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{
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a->in = in;
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a->out = out;
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}
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void GAIN::setSamplerate_gain (GAIN *, int)
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{
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}
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void GAIN::setSize_gain (GAIN *a, int size)
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{
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a->size = size;
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}
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/********************************************************************************************************
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* *
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* POINTER-BASED PROPERTIES *
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* *
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********************************************************************************************************/
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void GAIN::pSetTXOutputLevel (GAIN *a, float level)
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{
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a->Igain = level;
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a->Qgain = level;
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}
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void GAIN::pSetTXOutputLevelRun (GAIN *a, int run)
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{
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a->run = run;
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}
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void GAIN::pSetTXOutputLevelSize (GAIN *a, int size)
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{
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a->size = size;
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}
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} // namespace WDSP
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