mirror of
				https://github.com/f4exb/sdrangel.git
				synced 2025-10-29 20:10:22 -04:00 
			
		
		
		
	
		
			
				
	
	
		
			123 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			123 lines
		
	
	
		
			3.0 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, double* in, double* out, double Igain, double 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;
 | |
|     a->cs_update.lock();
 | |
|     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)
 | |
|         memcpy (a->out, a->in, a->size * sizeof (dcomplex));
 | |
|     a->cs_update.unlock();
 | |
| }
 | |
| 
 | |
| void GAIN::setBuffers_gain (GAIN *a, double* in, double* 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, double level)
 | |
| {
 | |
|     a->cs_update.lock();
 | |
|     a->Igain = level;
 | |
|     a->Qgain = level;
 | |
|     a->cs_update.unlock();
 | |
| }
 | |
| 
 | |
| void GAIN::pSetTXOutputLevelRun (GAIN *a, int run)
 | |
| {
 | |
|     a->cs_update.lock();
 | |
|     a->run = run;
 | |
|     a->cs_update.unlock();
 | |
| }
 | |
| 
 | |
| void GAIN::pSetTXOutputLevelSize (GAIN *a, int size)
 | |
| {
 | |
|     a->cs_update.lock();
 | |
|     a->size = size;
 | |
|     a->cs_update.unlock();
 | |
| }
 | |
| 
 | |
| } // namespace WDSP
 |