mirror of
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137 lines
4.4 KiB
C++
137 lines
4.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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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;
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T 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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pipereader<complex<T> > in;
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unsigned long phase;
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DATVScreen *m_objDATVScreen;
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datvconstellation(
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scheduler *sch,
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pipebuf<complex<T> > &_in,
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T _xymin,
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T _xymax,
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const char *_name = 0,
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DATVScreen * objDATVScreen = 0) :
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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(0),
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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(
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256 * (p->re - xymin) / (xymax - xymin));
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m_objDATVScreen->setDataColor(
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256 - 256 * ((p->im - xymin) / (xymax - xymin)),
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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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//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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