kopia lustrzana https://github.com/f4exb/sdrangel
92 wiersze
2.8 KiB
C++
92 wiersze
2.8 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_bps_h
|
|
#define wdsp_bps_h
|
|
|
|
#include "fftw3.h"
|
|
#include "export.h"
|
|
|
|
namespace WDSP {
|
|
|
|
class RXA;
|
|
class TXA;
|
|
|
|
class WDSP_API BPS
|
|
{
|
|
public:
|
|
int run;
|
|
int position;
|
|
int size;
|
|
double* in;
|
|
double* out;
|
|
double f_low;
|
|
double f_high;
|
|
double* infilt;
|
|
double* product;
|
|
double* mults;
|
|
double samplerate;
|
|
int wintype;
|
|
double gain;
|
|
fftw_plan CFor;
|
|
fftw_plan CRev;
|
|
|
|
static BPS* create_bps (int run, int position, int size, double* in, double* out,
|
|
double f_low, double f_high, int samplerate, int wintype, double gain);
|
|
static void destroy_bps (BPS *a);
|
|
static void flush_bps (BPS *a);
|
|
static void xbps (BPS *a, int pos);
|
|
static void setBuffers_bps (BPS *a, double* in, double* out);
|
|
static void setSamplerate_bps (BPS *a, int rate);
|
|
static void setSize_bps (BPS *a, int size);
|
|
static void setFreqs_bps (BPS *a, double f_low, double f_high);
|
|
// RXA Prototypes
|
|
static void SetBPSRun (RXA& rxa, int run);
|
|
static void SetBPSFreqs (RXA& rxa, double low, double high);
|
|
static void SetBPSWindow (RXA& rxa, int wintype);
|
|
// TXA Prototypes
|
|
static void SetBPSRun (TXA& txa, int run);
|
|
static void SetBPSFreqs (TXA& txa, double low, double high);
|
|
static void SetBPSWindow (TXA& txa, int wintype);
|
|
|
|
private:
|
|
static void calc_bps (BPS *a);
|
|
static void decalc_bps (BPS *a);
|
|
};
|
|
|
|
} // namespace WDSP
|
|
|
|
#endif
|
|
|
|
|