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sdrangel/wdsp/cfir.hpp
2024-06-16 19:14:31 +02:00

109 lines
2.4 KiB
C++

/* cfir.h
This file is part of a program that implements a Software-Defined Radio.
Copyright (C) 2014, 2016 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
*/
#ifndef wdsp_cfir_h
#define wdsp_cfir_h
#include "export.h"
namespace WDSP {
class FIRCORE;
class TXA;
class WDSP_API CFIR
{
public:
int run;
int size;
int nc;
int mp;
double* in;
double* out;
int runrate;
int cicrate;
int DD;
int R;
int Pairs;
double cutoff;
double scale;
int xtype;
double xbw;
int wintype;
FIRCORE *p;
static CFIR* create_cfir (
int run,
int size,
int nc,
int mp,
double* in,
double* out,
int runrate,
int cicrate,
int DD,
int R,
int Pairs,
double cutoff,
int xtype,
double xbw,
int wintype
);
static void destroy_cfir (CFIR *a);
static void flush_cfir (CFIR *a);
static void xcfir (CFIR *a);
static void setBuffers_cfir (CFIR *a, double* in, double* out);
static void setSamplerate_cfir (CFIR *a, int rate);
static void setSize_cfir (CFIR *a, int size);
static void setOutRate_cfir (CFIR *a, int rate);
static double* cfir_impulse (
int N,
int DD,
int R,
int Pairs,
double runrate,
double cicrate,
double cutoff,
int xtype,
double xbw,
int rtype,
double scale,
int wintype
);
// TXA Properties
static void SetCFIRRun(TXA& txa, int run);
static void SetCFIRNC(TXA& txa, int nc);
private:
static void calc_cfir (CFIR *a);
static void decalc_cfir (CFIR *a);
};
} // namespace WDSP
#endif