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sdrangel/wdsp/siphon.hpp
2024-08-03 11:05:12 +02:00

100 lines
2.4 KiB
C++

/* siphon.h
This file is part of a program that implements a Software-Defined Radio.
Copyright (C) 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
*/
// 'siphon' collects samples in a buffer. These samples can then be PULLED from the buffer
// in either raw or FFT'd form.
#ifndef wdsp_siphon_h
#define wdsp_siphon_h
#include <vector>
#include "fftw3.h"
#include "export.h"
namespace WDSP {
class WDSP_API SIPHON
{
public:
int run;
int position;
int mode;
int disp;
int insize;
float* in;
int sipsize; // NOTE: sipsize MUST BE A POWER OF TWO!!
std::vector<float> sipbuff;
int outsize;
int idx;
std::vector<float> sipout;
int fftsize;
std::vector<float> specout;
long specmode;
fftwf_plan sipplan;
std::vector<float> window;
SIPHON(
int run,
int position,
int mode,
int disp,
int insize,
float* in,
int sipsize,
int fftsize,
int specmode
);
SIPHON(const SIPHON&) = delete;
SIPHON& operator=(const SIPHON& other) = delete;
~SIPHON();
void flush();
void execute(int pos);
void setBuffers(float* in);
void setSamplerate(int rate);
void setSize(int size);
// RXA Properties
void getaSipF (float* out, int size);
void getaSipF1 (float* out, int size);
// TXA Properties
void setSipPosition(int pos);
void setSipMode(int mode);
void setSipDisplay(int disp);
void getSpecF1(float* out);
void setSipSpecmode(int mode);
private:
void build_window();
void suck();
void sip_spectrum();
};
} // namespace WDSP
#endif