mirror of
https://github.com/f4exb/sdrangel.git
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227 lines
6.7 KiB
C++
227 lines
6.7 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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}
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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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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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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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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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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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