mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-14 04:11:48 -05:00
118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
/* gain.c
|
|
|
|
This file is part of a program that implements a Software-Defined Radio.
|
|
|
|
Copyright (C) 2013 Warren Pratt, NR0V
|
|
Copyright (C) 2024 Edouard Griffiths, F4EXB Adapted to SDRangel
|
|
|
|
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; either version 2
|
|
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 for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
The author can be reached by email at
|
|
|
|
warren@wpratt.com
|
|
|
|
*/
|
|
|
|
#include "comm.hpp"
|
|
#include "gain.hpp"
|
|
|
|
namespace WDSP {
|
|
|
|
GAIN* GAIN::create_gain (int run, int* prun, int size, float* in, float* out, float Igain, float Qgain)
|
|
{
|
|
GAIN *a = new GAIN;
|
|
a->run = run;
|
|
a->prun = prun;
|
|
a->size = size;
|
|
a->in = in;
|
|
a->out = out;
|
|
a->Igain = Igain;
|
|
a->Qgain = Qgain;
|
|
return a;
|
|
}
|
|
|
|
void GAIN::destroy_gain (GAIN *a)
|
|
{
|
|
delete (a);
|
|
}
|
|
|
|
void GAIN::flush_gain (GAIN *)
|
|
{
|
|
|
|
}
|
|
|
|
void GAIN::xgain (GAIN *a)
|
|
{
|
|
int srun;
|
|
|
|
if (a->prun != 0)
|
|
srun = *(a->prun);
|
|
else
|
|
srun = 1;
|
|
|
|
if (a->run && srun)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < a->size; i++)
|
|
{
|
|
a->out[2 * i + 0] = a->Igain * a->in[2 * i + 0];
|
|
a->out[2 * i + 1] = a->Qgain * a->in[2 * i + 1];
|
|
}
|
|
}
|
|
else if (a->in != a->out)
|
|
std::copy( a->in, a->in + a->size * 2, a->out);
|
|
}
|
|
|
|
void GAIN::setBuffers_gain (GAIN *a, float* in, float* out)
|
|
{
|
|
a->in = in;
|
|
a->out = out;
|
|
}
|
|
|
|
void GAIN::setSamplerate_gain (GAIN *, int)
|
|
{
|
|
|
|
}
|
|
|
|
void GAIN::setSize_gain (GAIN *a, int size)
|
|
{
|
|
a->size = size;
|
|
}
|
|
|
|
/********************************************************************************************************
|
|
* *
|
|
* POINTER-BASED PROPERTIES *
|
|
* *
|
|
********************************************************************************************************/
|
|
|
|
void GAIN::pSetTXOutputLevel (GAIN *a, float level)
|
|
{
|
|
a->Igain = level;
|
|
a->Qgain = level;
|
|
}
|
|
|
|
void GAIN::pSetTXOutputLevelRun (GAIN *a, int run)
|
|
{
|
|
a->run = run;
|
|
}
|
|
|
|
void GAIN::pSetTXOutputLevelSize (GAIN *a, int size)
|
|
{
|
|
a->size = size;
|
|
}
|
|
|
|
} // namespace WDSP
|