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