mirror of
https://github.com/f4exb/sdrangel.git
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129 lines
4.1 KiB
C
129 lines
4.1 KiB
C
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2018 F4HKW //
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// for F4EXB / SDRAngel //
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// using LeanSDR Framework (C) 2016 F4DAV //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// //
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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 V3 for more details. //
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// //
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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, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef DATVCONSTELLATION_H
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#define DATVCONSTELLATION_H
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#include <sys/time.h>
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#include "leansdr/framework.h"
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#include "datvscreen.h"
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namespace leansdr
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{
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static const int DEFAULT_GUI_DECIMATION = 64;
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template<typename T> struct datvconstellation : runnable
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{
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T xymin, xymax;
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unsigned long decimation;
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unsigned long pixels_per_frame;
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cstln_lut<256> **cstln; // Optional ptr to optional constellation
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DATVScreen *m_objDATVScreen;
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datvconstellation(scheduler *sch, pipebuf< complex<T> > &_in, T _xymin, T _xymax, const char *_name=NULL, DATVScreen * objDATVScreen=NULL) :
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runnable(sch, _name?_name:_in.name),
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xymin(_xymin),
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xymax(_xymax),
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decimation(DEFAULT_GUI_DECIMATION),
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pixels_per_frame(1024),
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cstln(NULL),
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in(_in),
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phase(0),
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m_objDATVScreen(objDATVScreen)
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{
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}
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void run()
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{
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//Symbols
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while ( in.readable() >= pixels_per_frame )
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{
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if ( ! phase )
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{
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m_objDATVScreen->resetImage();
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complex<T> *p = in.rd(), *pend = p+pixels_per_frame;
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for ( ; p<pend; ++p )
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{
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if(m_objDATVScreen!=NULL)
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{
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m_objDATVScreen->selectRow(256*(p->re-xymin)/(xymax-xymin));
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m_objDATVScreen->setDataColor(256- 256*((p->im-xymin)/(xymax-xymin)),255,0,255);
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}
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}
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if ( cstln && (*cstln) )
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{
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// Plot constellation points
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for ( int i=0; i<(*cstln)->nsymbols; ++i )
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{
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complex<signed char> *p = &(*cstln)->symbols[i];
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int x = 256*(p->re-xymin)/(xymax-xymin);
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int y = 256 - 256*(p->im-xymin)/(xymax-xymin);
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for ( int d=-4; d<=4; ++d )
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{
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m_objDATVScreen->selectRow(x+d);
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m_objDATVScreen->setDataColor(y,5,250,250);
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m_objDATVScreen->selectRow(x);
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m_objDATVScreen->setDataColor(y+d,5,250,250);
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}
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}
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}
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m_objDATVScreen->renderImage(NULL);
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}
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in.read(pixels_per_frame);
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if ( ++phase >= decimation )
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{
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phase = 0;
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}
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}
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}
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//private:
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pipereader< complex<T> > in;
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unsigned long phase;
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//gfx g;
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void draw_begin()
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{
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//g.clear();
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//g.setfg(0, 255, 0);
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//g.line(g.w/2,0, g.w/2, g.h);
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//g.line(0,g.h/2, g.w,g.h/2);
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}
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};
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}
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#endif // DATVCONSTELLATION_H
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