144 lines
3.9 KiB
C
144 lines
3.9 KiB
C
/* bandpass.h
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This file is part of a program that implements a Software-Defined Radio.
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Copyright (C) 2013, 2016, 2017 Warren Pratt, NR0V
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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The author can be reached by email at
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warren@wpratt.com
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*/
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/********************************************************************************************************
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* *
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* Overlap-Save Bandpass *
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* *
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********************************************************************************************************/
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#ifndef _bps_h
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#define _bps_h
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typedef struct _bps
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{
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int run;
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int position;
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int size;
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double* in;
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double* out;
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double f_low;
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double f_high;
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double* infilt;
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double* product;
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double* mults;
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double samplerate;
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int wintype;
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double gain;
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fftw_plan CFor;
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fftw_plan CRev;
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}bps, *BPS;
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extern BPS create_bps (int run, int position, int size, double* in, double* out,
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double f_low, double f_high, int samplerate, int wintype, double gain);
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extern void destroy_bps (BPS a);
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extern void flush_bps (BPS a);
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extern void xbps (BPS a, int pos);
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extern void setBuffers_bps (BPS a, double* in, double* out);
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extern void setSamplerate_bps (BPS a, int rate);
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extern void setSize_bps (BPS a, int size);
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extern void setFreqs_bps (BPS a, double f_low, double f_high);
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// RXA Prototypes
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extern __declspec (dllexport) void SetRXABPSRun (int channel, int run);
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extern __declspec (dllexport) void SetRXABPSFreqs (int channel, double low, double high);
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// TXA Prototypes
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extern __declspec (dllexport) void SetTXABPSRun (int channel, int run);
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extern __declspec (dllexport) void SetTXABPSFreqs (int channel, double low, double high);
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#endif
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/********************************************************************************************************
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* *
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* Partitioned Overlap-Save Bandpass *
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* *
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********************************************************************************************************/
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#ifndef _bandpass_h
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#define _bandpass_h
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#include "firmin.h"
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typedef struct _bandpass
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{
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int run;
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int position;
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int size;
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int nc;
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int mp;
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double* in;
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double* out;
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double f_low;
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double f_high;
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double samplerate;
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int wintype;
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double gain;
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FIRCORE p;
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}bandpass, *BANDPASS;
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extern BANDPASS create_bandpass (int run, int position, int size, int nc, int mp, double* in, double* out,
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double f_low, double f_high, int samplerate, int wintype, double gain);
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extern void destroy_bandpass (BANDPASS a);
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extern void flush_bandpass (BANDPASS a);
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extern void xbandpass (BANDPASS a, int pos);
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extern void setBuffers_bandpass (BANDPASS a, double* in, double* out);
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extern void setSamplerate_bandpass (BANDPASS a, int rate);
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extern void setSize_bandpass (BANDPASS a, int size);
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extern void setGain_bandpass (BANDPASS a, double gain, int update);
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extern void CalcBandpassFilter (BANDPASS a, double f_low, double f_high, double gain);
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extern __declspec (dllexport) void SetRXABandpassFreqs (int channel, double f_low, double f_high);
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extern __declspec (dllexport) void SetRXABandpassNC (int channel, int nc);
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extern __declspec (dllexport) void SetRXABandpassMP (int channel, int mp);
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extern __declspec (dllexport) void SetTXABandpassNC (int channel, int nc);
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extern __declspec (dllexport) void SetTXABandpassMP (int channel, int mp);
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#endif
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