/////////////////////////////////////////////////////////////////////////////////// // Copyright (C) 2019 Edouard Griffiths, F4EXB. // // // // 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 as version 3 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 V3 for more details. // // // // You should have received a copy of the GNU General Public License // // along with this program. If not, see . // /////////////////////////////////////////////////////////////////////////////////// #include "util/simpleserializer.h" #include "spectrumsettings.h" SpectrumSettings::SpectrumSettings() { resetToDefaults(); } SpectrumSettings::~SpectrumSettings() {} void SpectrumSettings::resetToDefaults() { m_fftSize = 1024; m_fftOverlap = 0; m_fftWindow = FFTWindow::Hanning; m_refLevel = 0; m_powerRange = 100; m_fpsPeriodMs = 50; m_decay = 1; m_decayDivisor = 1; m_histogramStroke = 30; m_displayGridIntensity = 5; m_displayTraceIntensity = 50; m_waterfallShare = 0.66; m_displayCurrent = true; m_displayWaterfall = true; m_invertedWaterfall = true; m_displayMaxHold = false; m_displayHistogram = false; m_displayGrid = false; m_averagingMode = AvgModeNone; m_averagingIndex = 0; m_averagingValue = 1; m_linear = false; m_ssb = false; m_usb = true; m_wsSpectrumAddress = "127.0.0.1"; m_wsSpectrumPort = 8887; } QByteArray SpectrumSettings::serialize() const { SimpleSerializer s(1); s.writeS32(1, m_fftSize); s.writeS32(2, m_fftOverlap); s.writeS32(3, (int) m_fftWindow); s.writeReal(4, m_refLevel); s.writeReal(5, m_powerRange); s.writeS32(26, m_fpsPeriodMs); s.writeBool(6, m_displayWaterfall); s.writeBool(7, m_invertedWaterfall); s.writeBool(8, m_displayMaxHold); s.writeBool(9, m_displayHistogram); s.writeS32(10, m_decay); s.writeBool(11, m_displayGrid); s.writeS32(13, m_displayGridIntensity); s.writeS32(14, m_decayDivisor); s.writeS32(15, m_histogramStroke); s.writeBool(16, m_displayCurrent); s.writeS32(17, m_displayTraceIntensity); s.writeReal(18, m_waterfallShare); s.writeS32(19, (int) m_averagingMode); s.writeS32(20, (qint32) getAveragingValue(m_averagingIndex, m_averagingMode)); s.writeBool(21, m_linear); s.writeString(22, m_wsSpectrumAddress); s.writeU32(23, m_wsSpectrumPort); s.writeBool(24, m_ssb); s.writeBool(25, m_usb); return s.final(); } bool SpectrumSettings::deserialize(const QByteArray& data) { SimpleDeserializer d(data); if(!d.isValid()) { resetToDefaults(); return false; } int tmp; uint32_t utmp; if (d.getVersion() == 1) { d.readS32(1, &m_fftSize, 1024); d.readS32(2, &m_fftOverlap, 0); d.readS32(3, &tmp, (int) FFTWindow::Hanning); m_fftWindow = (FFTWindow::Function) tmp; d.readReal(4, &m_refLevel, 0); d.readReal(5, &m_powerRange, 100); d.readS32(26, &tmp, 50); m_fpsPeriodMs = tmp < 5 ? 5 : tmp > 500 ? 500 : tmp; d.readBool(6, &m_displayWaterfall, true); d.readBool(7, &m_invertedWaterfall, true); d.readBool(8, &m_displayMaxHold, false); d.readBool(9, &m_displayHistogram, false); d.readS32(10, &m_decay, 1); d.readBool(11, &m_displayGrid, false); d.readS32(13, &m_displayGridIntensity, 5); d.readS32(14, &m_decayDivisor, 1); d.readS32(15, &m_histogramStroke, 30); d.readBool(16, &m_displayCurrent, true); d.readS32(17, &m_displayTraceIntensity, 50); d.readReal(18, &m_waterfallShare, 0.66); d.readS32(19, &tmp, 0); m_averagingMode = tmp < 0 ? AvgModeNone : tmp > 3 ? AvgModeMax : (AveragingMode) tmp; d.readS32(20, &tmp, 0); m_averagingIndex = getAveragingIndex(tmp, m_averagingMode); m_averagingValue = getAveragingValue(m_averagingIndex, m_averagingMode); d.readBool(21, &m_linear, false); d.readString(22, &m_wsSpectrumAddress, "127.0.0.1"); d.readU32(23, &utmp, 8887); m_wsSpectrumPort = utmp < 1024 ? 1024 : utmp > 65535 ? 65535 : utmp; d.readBool(24, &m_ssb, false); d.readBool(25, &m_usb, true); return true; } else { resetToDefaults(); return false; } } int SpectrumSettings::getAveragingMaxScale(AveragingMode averagingMode) { if (averagingMode == AvgModeMoving) { return 3; // max 10k } else { return 5; // max 1M } } int SpectrumSettings::getAveragingValue(int averagingIndex, AveragingMode averagingMode) { if (averagingIndex <= 0) { return 1; } int v = averagingIndex - 1; int m = pow(10.0, v/3 > getAveragingMaxScale(averagingMode) ? getAveragingMaxScale(averagingMode) : v/3); int x = 1; if (v % 3 == 0) { x = 2; } else if (v % 3 == 1) { x = 5; } else if (v % 3 == 2) { x = 10; } return x * m; } int SpectrumSettings::getAveragingIndex(int averagingValue, AveragingMode averagingMode) { if (averagingValue <= 1) { return 0; } int v = averagingValue; int j = 0; for (int i = 0; i <= getAveragingMaxScale(averagingMode); i++) { if (v < 20) { if (v < 2) { j = 0; } else if (v < 5) { j = 1; } else if (v < 10) { j = 2; } else { j = 3; } return 3*i + j; } v /= 10; } return 3*getAveragingMaxScale(averagingMode) + 3; } uint64_t SpectrumSettings::getMaxAveragingValue(int fftSize, AveragingMode averagingMode) { if (averagingMode == AvgModeMoving) { uint64_t limit = (1UL<<28) / (sizeof(double)*fftSize); // 256 MB max return limit > (1<<14) ? (1<<14) : limit; // limit to 16 kS anyway } else { return (1<<20); // fixed 1 MS } }