wdsp/bandpass.h
Uladzimir Karpenka 89c8a0e2b5 first commit
2026-06-01 15:58:45 +03:00

144 lines
3.9 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
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 _bps_h
#define _bps_h
typedef struct _bps
{
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;
}bps, *BPS;
extern 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);
extern void destroy_bps (BPS a);
extern void flush_bps (BPS a);
extern void xbps (BPS a, int pos);
extern void setBuffers_bps (BPS a, double* in, double* out);
extern void setSamplerate_bps (BPS a, int rate);
extern void setSize_bps (BPS a, int size);
extern void setFreqs_bps (BPS a, double f_low, double f_high);
// RXA Prototypes
extern __declspec (dllexport) void SetRXABPSRun (int channel, int run);
extern __declspec (dllexport) void SetRXABPSFreqs (int channel, double low, double high);
// TXA Prototypes
extern __declspec (dllexport) void SetTXABPSRun (int channel, int run);
extern __declspec (dllexport) void SetTXABPSFreqs (int channel, double low, double high);
#endif
/********************************************************************************************************
* *
* Partitioned Overlap-Save Bandpass *
* *
********************************************************************************************************/
#ifndef _bandpass_h
#define _bandpass_h
#include "firmin.h"
typedef struct _bandpass
{
int run;
int position;
int size;
int nc;
int mp;
double* in;
double* out;
double f_low;
double f_high;
double samplerate;
int wintype;
double gain;
FIRCORE p;
}bandpass, *BANDPASS;
extern BANDPASS create_bandpass (int run, int position, int size, int nc, int mp, double* in, double* out,
double f_low, double f_high, int samplerate, int wintype, double gain);
extern void destroy_bandpass (BANDPASS a);
extern void flush_bandpass (BANDPASS a);
extern void xbandpass (BANDPASS a, int pos);
extern void setBuffers_bandpass (BANDPASS a, double* in, double* out);
extern void setSamplerate_bandpass (BANDPASS a, int rate);
extern void setSize_bandpass (BANDPASS a, int size);
extern void setGain_bandpass (BANDPASS a, double gain, int update);
extern void CalcBandpassFilter (BANDPASS a, double f_low, double f_high, double gain);
extern __declspec (dllexport) void SetRXABandpassFreqs (int channel, double f_low, double f_high);
extern __declspec (dllexport) void SetRXABandpassNC (int channel, int nc);
extern __declspec (dllexport) void SetRXABandpassMP (int channel, int mp);
extern __declspec (dllexport) void SetTXABandpassNC (int channel, int nc);
extern __declspec (dllexport) void SetTXABandpassMP (int channel, int mp);
#endif