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			249 lines
		
	
	
		
			7.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			249 lines
		
	
	
		
			7.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019-2020 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 <QColor>
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#include "dsp/dspengine.h"
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#include "util/simpleserializer.h"
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#include "settings/serializable.h"
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#include "chirpchatdemodsettings.h"
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const int ChirpChatDemodSettings::bandwidths[] = {
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    325,    // 384k / 1024
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    750,    // 384k / 512
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    1500,   // 384k / 256
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    2604,   // 333k / 128
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    3125,   // 400k / 128
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    3906,   // 500k / 128
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    5208,   // 333k / 64
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    6250,   // 400k / 64
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    7813,   // 500k / 64
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    10417,  // 333k / 32
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    12500,  // 400k / 32
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    15625,  // 500k / 32
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    20833,  // 333k / 16
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    25000,  // 400k / 16
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    31250,  // 500k / 16
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    41667,  // 333k / 8
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    50000,  // 400k / 8
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    62500,  // 500k / 8
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    83333,  // 333k / 4
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    100000, // 400k / 4
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    125000, // 500k / 4
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    166667, // 333k / 2
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    200000, // 400k / 2
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    250000, // 500k / 2
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    333333, // 333k / 1
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    400000, // 400k / 1
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    500000  // 500k / 1
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};
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const int ChirpChatDemodSettings::nbBandwidths = 3*8 + 3;
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const int ChirpChatDemodSettings::oversampling = 2;
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ChirpChatDemodSettings::ChirpChatDemodSettings() :
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    m_inputFrequencyOffset(0),
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    m_channelMarker(0),
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    m_spectrumGUI(0)
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{
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    resetToDefaults();
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}
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void ChirpChatDemodSettings::resetToDefaults()
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{
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    m_bandwidthIndex = 5;
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    m_spreadFactor = 7;
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    m_deBits = 0;
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    m_codingScheme = CodingLoRa;
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    m_decodeActive = true;
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    m_fftWindow = FFTWindow::Rectangle;
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    m_eomSquelchTenths = 60;
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    m_nbSymbolsMax = 255;
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    m_preambleChirps = 8;
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    m_packetLength = 32;
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    m_nbParityBits = 1;
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    m_hasCRC = true;
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    m_hasHeader = true;
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    m_sendViaUDP = false;
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    m_udpAddress = "127.0.0.1";
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    m_udpPort = 9999;
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    m_rgbColor = QColor(255, 0, 255).rgb();
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    m_title = "ChirpChat Demodulator";
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    m_streamIndex = 0;
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    m_useReverseAPI = false;
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    m_reverseAPIAddress = "127.0.0.1";
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    m_reverseAPIPort = 8888;
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    m_reverseAPIDeviceIndex = 0;
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    m_reverseAPIChannelIndex = 0;
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    m_workspaceIndex = 0;
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    m_hidden = false;
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}
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QByteArray ChirpChatDemodSettings::serialize() const
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{
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    SimpleSerializer s(1);
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    s.writeS32(1, m_inputFrequencyOffset);
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    s.writeS32(2, m_bandwidthIndex);
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    s.writeS32(3, m_spreadFactor);
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    if (m_spectrumGUI) {
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        s.writeBlob(4, m_spectrumGUI->serialize());
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    }
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    if (m_channelMarker) {
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        s.writeBlob(5, m_channelMarker->serialize());
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    }
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    s.writeString(6, m_title);
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    s.writeS32(7, m_deBits);
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    s.writeS32(8, m_codingScheme);
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    s.writeBool(9, m_decodeActive);
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    s.writeS32(10, m_eomSquelchTenths);
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    s.writeU32(11, m_nbSymbolsMax);
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    s.writeS32(12, m_packetLength);
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    s.writeS32(13, m_nbParityBits);
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    s.writeBool(14, m_hasCRC);
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    s.writeBool(15, m_hasHeader);
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    s.writeU32(17, m_preambleChirps);
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    s.writeS32(18, (int) m_fftWindow);
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    s.writeBool(20, m_useReverseAPI);
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    s.writeString(21, m_reverseAPIAddress);
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    s.writeU32(22, m_reverseAPIPort);
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    s.writeU32(23, m_reverseAPIDeviceIndex);
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    s.writeU32(24, m_reverseAPIChannelIndex);
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    s.writeS32(25, m_streamIndex);
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    s.writeBool(26, m_sendViaUDP);
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    s.writeString(27, m_udpAddress);
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    s.writeU32(28, m_udpPort);
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    if (m_rollupState) {
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        s.writeBlob(29, m_rollupState->serialize());
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    }
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    s.writeS32(30, m_workspaceIndex);
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    s.writeBlob(31, m_geometryBytes);
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    s.writeBool(32, m_hidden);
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    return s.final();
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}
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bool ChirpChatDemodSettings::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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    {
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        resetToDefaults();
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        return false;
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    }
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    if(d.getVersion() == 1)
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    {
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        QByteArray bytetmp;
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        int tmp;
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        unsigned int utmp;
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        d.readS32(1, &m_inputFrequencyOffset, 0);
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        d.readS32(2, &m_bandwidthIndex, 0);
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        d.readS32(3, &m_spreadFactor, 0);
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        if (m_spectrumGUI)
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        {
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            d.readBlob(4, &bytetmp);
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            m_spectrumGUI->deserialize(bytetmp);
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        }
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        if (m_channelMarker)
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        {
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            d.readBlob(5, &bytetmp);
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            m_channelMarker->deserialize(bytetmp);
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        }
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        d.readString(6, &m_title, "ChirpChat Demodulator");
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        d.readS32(7, &m_deBits, 0);
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        d.readS32(8, &tmp);
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        m_codingScheme = (CodingScheme) tmp;
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        d.readBool(9, &m_decodeActive, true);
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        d.readS32(10, &m_eomSquelchTenths, 60);
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        d.readU32(11, &m_nbSymbolsMax, 255);
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        d.readS32(12, &m_packetLength, 32);
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        d.readS32(13, &m_nbParityBits, 1);
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        d.readBool(14, &m_hasCRC, true);
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        d.readBool(15, &m_hasHeader, true);
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        d.readU32(17, &m_preambleChirps, 8);
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        d.readS32(18, &tmp, (int) FFTWindow::Rectangle);
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        m_fftWindow = (FFTWindow::Function) tmp;
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        d.readBool(20, &m_useReverseAPI, false);
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        d.readString(21, &m_reverseAPIAddress, "127.0.0.1");
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        d.readU32(22, &utmp, 0);
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        if ((utmp > 1023) && (utmp < 65535)) {
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            m_reverseAPIPort = utmp;
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        } else {
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            m_reverseAPIPort = 8888;
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        }
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        d.readU32(23, &utmp, 0);
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        m_reverseAPIDeviceIndex = utmp > 99 ? 99 : utmp;
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        d.readU32(24, &utmp, 0);
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        m_reverseAPIChannelIndex = utmp > 99 ? 99 : utmp;
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        d.readS32(25, &m_streamIndex, 0);
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        d.readBool(26, &m_sendViaUDP, false);
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        d.readString(27, &m_udpAddress, "127.0.0.1");
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        d.readU32(28, &utmp, 0);
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        if ((utmp > 1023) && (utmp < 65535)) {
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            m_udpPort = utmp;
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        } else {
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            m_udpPort = 9999;
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        }
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        if (m_rollupState)
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        {
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            d.readBlob(29, &bytetmp);
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            m_rollupState->deserialize(bytetmp);
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        }
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        d.readS32(30, &m_workspaceIndex, 0);
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        d.readBlob(31, &m_geometryBytes);
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        d.readBool(32, &m_hidden, false);
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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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unsigned int ChirpChatDemodSettings::getNbSFDFourths() const
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{
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    switch (m_codingScheme)
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    {
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    case CodingLoRa:
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        return 9;
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    default:
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        return 8;
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    }
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}
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bool ChirpChatDemodSettings::hasSyncWord() const
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{
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    return m_codingScheme == CodingLoRa;
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}
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