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sdrangel/wdsp/siphon.hpp
2024-07-14 00:05:10 +02:00

105 lines
3.0 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 "fftw3.h"
#include "export.h"
namespace WDSP {
class RXA;
class TXA;
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!!
float* sipbuff;
int outsize;
int idx;
float* sipout;
int fftsize;
float* specout;
long specmode;
fftwf_plan sipplan;
float* window;
static SIPHON* create_siphon (
int run,
int position,
int mode,
int disp,
int insize,
float* in,
int sipsize,
int fftsize,
int specmode
);
static void destroy_siphon (SIPHON *a);
static void flush_siphon (SIPHON *a);
static void xsiphon (SIPHON *a, int pos);
static void setBuffers_siphon (SIPHON *a, float* in);
static void setSamplerate_siphon (SIPHON *a, int rate);
static void setSize_siphon (SIPHON *a, int size);
// RXA Properties
static void GetaSipF (RXA& rxa, float* out, int size);
static void GetaSipF1 (RXA& rxa, float* out, int size);
// TXA Properties
static void SetSipPosition (TXA& txa, int pos);
static void SetSipMode (TXA& txa, int mode);
static void SetSipDisplay (TXA& txa, int disp);
static void GetaSipF (TXA& txa, float* out, int size);
static void GetaSipF1 (TXA& txa, float* out, int size);
static void GetSpecF1 (TXA& txa, float* out);
static void SetSipSpecmode (TXA& txa, int mode);
// Calls for External Use
// static void create_siphonEXT (int id, int run, int insize, int sipsize, int fftsize, int specmode);
// static void destroy_siphonEXT (int id);
// static void xsiphonEXT (int id, float* buff);
// static void SetSiphonInsize (int id, int size);
private:
static void build_window (SIPHON *a);
static void suck (SIPHON *a);
static void sip_spectrum (SIPHON *a);
};
} // namespace WDSP
#endif