mirror of
https://github.com/f4exb/sdrangel.git
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263 lines
7.7 KiB
C++
263 lines
7.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 Edouard Griffiths, F4EXB. //
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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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// (at your option) any later version. //
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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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#include "util/simpleserializer.h"
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#include "spectrumsettings.h"
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SpectrumSettings::SpectrumSettings()
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{
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resetToDefaults();
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}
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SpectrumSettings::~SpectrumSettings()
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{}
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void SpectrumSettings::resetToDefaults()
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{
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m_fftSize = 1024;
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m_fftOverlap = 0;
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m_fftWindow = FFTWindow::Hanning;
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m_refLevel = 0;
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m_powerRange = 100;
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m_fpsPeriodMs = 50;
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m_decay = 1;
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m_decayDivisor = 1;
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m_histogramStroke = 30;
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m_displayGridIntensity = 5;
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m_displayTraceIntensity = 50;
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m_waterfallShare = 0.66;
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m_displayCurrent = true;
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m_displayWaterfall = true;
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m_invertedWaterfall = true;
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m_displayMaxHold = false;
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m_displayHistogram = false;
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m_displayGrid = false;
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m_averagingMode = AvgModeNone;
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m_averagingIndex = 0;
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m_averagingValue = 1;
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m_linear = false;
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m_ssb = false;
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m_usb = true;
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m_wsSpectrumAddress = "127.0.0.1";
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m_wsSpectrumPort = 8887;
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}
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QByteArray SpectrumSettings::serialize() const
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{
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SimpleSerializer s(1);
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s.writeS32(1, m_fftSize);
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s.writeS32(2, m_fftOverlap);
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s.writeS32(3, (int) m_fftWindow);
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s.writeReal(4, m_refLevel);
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s.writeReal(5, m_powerRange);
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s.writeBool(6, m_displayWaterfall);
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s.writeBool(7, m_invertedWaterfall);
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s.writeBool(8, m_displayMaxHold);
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s.writeBool(9, m_displayHistogram);
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s.writeS32(10, m_decay);
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s.writeBool(11, m_displayGrid);
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s.writeS32(13, m_displayGridIntensity);
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s.writeS32(14, m_decayDivisor);
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s.writeS32(15, m_histogramStroke);
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s.writeBool(16, m_displayCurrent);
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s.writeS32(17, m_displayTraceIntensity);
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s.writeReal(18, m_waterfallShare);
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s.writeS32(19, (int) m_averagingMode);
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s.writeS32(20, (qint32) getAveragingValue(m_averagingIndex, m_averagingMode));
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s.writeBool(21, m_linear);
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s.writeString(22, m_wsSpectrumAddress);
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s.writeU32(23, m_wsSpectrumPort);
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s.writeBool(24, m_ssb);
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s.writeBool(25, m_usb);
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s.writeS32(26, m_fpsPeriodMs);
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s.writeS32(100, m_histogramMarkers.size());
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for (int i = 0; i < m_histogramMarkers.size(); i++) {
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s.writeBlob(101+i, m_histogramMarkers[i].serialize());
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}
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s.writeS32(110, m_waterfallMarkers.size());
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for (int i = 0; i < m_waterfallMarkers.size(); i++) {
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s.writeBlob(111+i, m_waterfallMarkers[i].serialize());
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}
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return s.final();
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}
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bool SpectrumSettings::deserialize(const QByteArray& data)
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{
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SimpleDeserializer d(data);
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if(!d.isValid()) {
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resetToDefaults();
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return false;
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}
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int tmp;
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uint32_t utmp;
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QByteArray bytetmp;
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if (d.getVersion() == 1)
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{
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d.readS32(1, &m_fftSize, 1024);
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d.readS32(2, &m_fftOverlap, 0);
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d.readS32(3, &tmp, (int) FFTWindow::Hanning);
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m_fftWindow = (FFTWindow::Function) tmp;
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d.readReal(4, &m_refLevel, 0);
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d.readReal(5, &m_powerRange, 100);
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d.readBool(6, &m_displayWaterfall, true);
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d.readBool(7, &m_invertedWaterfall, true);
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d.readBool(8, &m_displayMaxHold, false);
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d.readBool(9, &m_displayHistogram, false);
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d.readS32(10, &m_decay, 1);
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d.readBool(11, &m_displayGrid, false);
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d.readS32(13, &m_displayGridIntensity, 5);
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d.readS32(14, &m_decayDivisor, 1);
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d.readS32(15, &m_histogramStroke, 30);
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d.readBool(16, &m_displayCurrent, true);
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d.readS32(17, &m_displayTraceIntensity, 50);
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d.readReal(18, &m_waterfallShare, 0.66);
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d.readS32(19, &tmp, 0);
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m_averagingMode = tmp < 0 ? AvgModeNone : tmp > 3 ? AvgModeMax : (AveragingMode) tmp;
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d.readS32(20, &tmp, 0);
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m_averagingIndex = getAveragingIndex(tmp, m_averagingMode);
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m_averagingValue = getAveragingValue(m_averagingIndex, m_averagingMode);
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d.readBool(21, &m_linear, false);
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d.readString(22, &m_wsSpectrumAddress, "127.0.0.1");
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d.readU32(23, &utmp, 8887);
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m_wsSpectrumPort = utmp < 1024 ? 1024 : utmp > 65535 ? 65535 : utmp;
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d.readBool(24, &m_ssb, false);
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d.readBool(25, &m_usb, true);
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d.readS32(26, &tmp, 50);
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m_fpsPeriodMs = tmp < 5 ? 5 : tmp > 500 ? 500 : tmp;
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int histogramMarkersSize;
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d.readS32(100, &histogramMarkersSize, 0);
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histogramMarkersSize = histogramMarkersSize < 0 ? 0 :
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histogramMarkersSize > SpectrumHistogramMarker::m_maxNbOfMarkers ?
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SpectrumHistogramMarker::m_maxNbOfMarkers : histogramMarkersSize;
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m_histogramMarkers.clear();
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for (int i = 0; i < histogramMarkersSize; i++)
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{
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d.readBlob(101+i, &bytetmp);
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m_histogramMarkers.push_back(SpectrumHistogramMarker());
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m_histogramMarkers.back().deserialize(bytetmp);
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}
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int waterfallMarkersSize;
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d.readS32(110, &waterfallMarkersSize, 0);
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waterfallMarkersSize = waterfallMarkersSize < 0 ? 0 :
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waterfallMarkersSize > SpectrumWaterfallMarker::m_maxNbOfMarkers ?
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SpectrumWaterfallMarker::m_maxNbOfMarkers : waterfallMarkersSize;
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m_waterfallMarkers.clear();
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for (int i = 0; i < waterfallMarkersSize; i++)
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{
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d.readBlob(111+i, &bytetmp);
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m_waterfallMarkers.push_back(SpectrumWaterfallMarker());
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m_waterfallMarkers.back().deserialize(bytetmp);
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}
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return true;
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}
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else
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{
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resetToDefaults();
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return false;
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}
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}
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int SpectrumSettings::getAveragingMaxScale(AveragingMode averagingMode)
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{
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if (averagingMode == AvgModeMoving) {
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return 3; // max 10k
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} else {
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return 5; // max 1M
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}
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}
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int SpectrumSettings::getAveragingValue(int averagingIndex, AveragingMode averagingMode)
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{
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if (averagingIndex <= 0) {
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return 1;
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}
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int v = averagingIndex - 1;
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int m = pow(10.0, v/3 > getAveragingMaxScale(averagingMode) ? getAveragingMaxScale(averagingMode) : v/3);
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int x = 1;
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if (v % 3 == 0) {
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x = 2;
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} else if (v % 3 == 1) {
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x = 5;
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} else if (v % 3 == 2) {
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x = 10;
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}
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return x * m;
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}
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int SpectrumSettings::getAveragingIndex(int averagingValue, AveragingMode averagingMode)
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{
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if (averagingValue <= 1) {
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return 0;
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}
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int v = averagingValue;
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int j = 0;
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for (int i = 0; i <= getAveragingMaxScale(averagingMode); i++)
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{
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if (v < 20)
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{
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if (v < 2) {
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j = 0;
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} else if (v < 5) {
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j = 1;
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} else if (v < 10) {
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j = 2;
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} else {
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j = 3;
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}
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return 3*i + j;
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}
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v /= 10;
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}
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return 3*getAveragingMaxScale(averagingMode) + 3;
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}
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uint64_t SpectrumSettings::getMaxAveragingValue(int fftSize, AveragingMode averagingMode)
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{
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if (averagingMode == AvgModeMoving)
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{
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uint64_t limit = (1UL<<28) / (sizeof(double)*fftSize); // 256 MB max
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return limit > (1<<14) ? (1<<14) : limit; // limit to 16 kS anyway
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}
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else
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{
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return (1<<20); // fixed 1 MS
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}
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}
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