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sdrangel/wdsp/anr.hpp

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/* anr.h
This file is part of a program that implements a Software-Defined Radio.
Copyright (C) 2012, 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
*/
#ifndef wdsp_anr_h
#define wdsp_anr_h
#include <array>
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#include "export.h"
namespace WDSP {
class WDSP_API ANR
{
public:
int run;
int position;
int buff_size;
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float *in_buff;
float *out_buff;
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int dline_size;
int mask;
int n_taps;
int delay;
double two_mu;
double gamma;
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static const int ANR_DLINE_SIZE = 2048;
std::array<double, ANR_DLINE_SIZE> d;
std::array<double, ANR_DLINE_SIZE> w;
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int in_idx;
double lidx;
double lidx_min;
double lidx_max;
double ngamma;
double den_mult;
double lincr;
double ldecr;
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ANR(
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int run,
int position,
int buff_size,
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float *in_buff,
float *out_buff,
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int dline_size,
int n_taps,
int delay,
double two_mu,
double gamma,
double lidx,
double lidx_min,
double lidx_max,
double ngamma,
double den_mult,
double lincr,
double ldecr
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);
ANR(const ANR&) = delete;
ANR& operator=(const ANR& other) = delete;
~ANR() = default;
void flush();
void execute(int position);
void setBuffers(float* in, float* out);
void setSamplerate(int rate);
void setSize(int size);
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// RXA Properties
void setVals(int taps, int delay, double gain, double leakage);
void setTaps(int taps);
void setDelay(int delay);
void setGain(double gain);
void setLeakage(double leakage);
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};
} // namespace WDSP
#endif