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sdrangel/wdsp/bandpass.hpp

101 lines
3.1 KiB
C++

/* bandpass.h
This file is part of a program that implements a Software-Defined Radio.
Copyright (C) 2013, 2016, 2017 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
*/
/********************************************************************************************************
* *
* Overlap-Save Bandpass *
* *
********************************************************************************************************/
#ifndef wdsp_bandpass_h
#define wdsp_bandpass_h
#include "fftw3.h"
#include "export.h"
/********************************************************************************************************
* *
* Partitioned Overlap-Save Bandpass *
* *
********************************************************************************************************/
namespace WDSP {
class FIRCORE;
class WDSP_API BANDPASS
{
public:
int run;
int position;
int size;
int nc;
int mp;
float* in;
float* out;
double f_low;
double f_high;
double samplerate;
int wintype;
double gain;
FIRCORE *fircore;
BANDPASS(
int run,
int position,
int size,
int nc,
int mp,
float* in,
float* out,
double f_low,
double f_high,
int samplerate,
int wintype,
double gain
);
BANDPASS(const BANDPASS&) = delete;
BANDPASS& operator=(const BANDPASS& other) = delete;
~BANDPASS();
void flush();
void execute(int pos);
void setBuffers(float* in, float* out);
void setSamplerate(int rate);
void setSize(int size);
void setGain(double gain, int update);
void calcBandpassFilter(double f_low, double f_high, double gain);
// RXA Prototypes
void setBandpassFreqs(double f_low, double f_high);
void SetBandpassNC(int nc);
void SetBandpassMP(int mp);
};
} // namespace WDSP
#endif