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105 lines
3.0 KiB
C++
105 lines
3.0 KiB
C++
/* siphon.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 Warren Pratt, NR0V
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Copyright (C) 2024 Edouard Griffiths, F4EXB Adapted to SDRangel
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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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// 'siphon' collects samples in a buffer. These samples can then be PULLED from the buffer
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// in either raw or FFT'd form.
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#ifndef wdsp_siphon_h
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#define wdsp_siphon_h
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#include "fftw3.h"
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#include "export.h"
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namespace WDSP {
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class RXA;
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class TXA;
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class WDSP_API SIPHON
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{
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public:
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int run;
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int position;
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int mode;
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int disp;
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int insize;
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float* in;
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int sipsize; // NOTE: sipsize MUST BE A POWER OF TWO!!
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float* sipbuff;
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int outsize;
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int idx;
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float* sipout;
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int fftsize;
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float* specout;
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long specmode;
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fftwf_plan sipplan;
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float* window;
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static SIPHON* create_siphon (
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int run,
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int position,
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int mode,
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int disp,
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int insize,
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float* in,
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int sipsize,
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int fftsize,
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int specmode
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);
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static void destroy_siphon (SIPHON *a);
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static void flush_siphon (SIPHON *a);
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static void xsiphon (SIPHON *a, int pos);
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static void setBuffers_siphon (SIPHON *a, float* in);
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static void setSamplerate_siphon (SIPHON *a, int rate);
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static void setSize_siphon (SIPHON *a, int size);
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// RXA Properties
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static void GetaSipF (RXA& rxa, float* out, int size);
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static void GetaSipF1 (RXA& rxa, float* out, int size);
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// TXA Properties
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static void SetSipPosition (TXA& txa, int pos);
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static void SetSipMode (TXA& txa, int mode);
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static void SetSipDisplay (TXA& txa, int disp);
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static void GetaSipF (TXA& txa, float* out, int size);
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static void GetaSipF1 (TXA& txa, float* out, int size);
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static void GetSpecF1 (TXA& txa, float* out);
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static void SetSipSpecmode (TXA& txa, int mode);
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// Calls for External Use
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// static void create_siphonEXT (int id, int run, int insize, int sipsize, int fftsize, int specmode);
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// static void destroy_siphonEXT (int id);
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// static void xsiphonEXT (int id, float* buff);
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// static void SetSiphonInsize (int id, int size);
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private:
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static void build_window (SIPHON *a);
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static void suck (SIPHON *a);
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static void sip_spectrum (SIPHON *a);
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};
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} // namespace WDSP
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#endif
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