/////////////////////////////////////////////////////////////////////////////////// // Copyright (C) 2017 Edouard Griffiths, F4EXB // // Copyright (C) 2020 Jon Beniston, M7RCE // // // // 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 #include "dsp/dspengine.h" #include "util/simpleserializer.h" #include "settings/serializable.h" #include "packetmodsettings.h" PacketModSettings::PacketModSettings() : m_channelMarker(nullptr), m_rollupState(nullptr) { resetToDefaults(); } void PacketModSettings::resetToDefaults() { m_inputFrequencyOffset = 0; m_modulation = PacketModSettings::AFSK; m_baud = 1200; m_rfBandwidth = 12500.0f; m_fmDeviation = 2500.0f; m_gain = -2.0f; // To avoid overflow, which results in out-of-band RF m_channelMute = false; m_repeat = false; m_repeatDelay = 1.0f; m_repeatCount = infinitePackets; m_rampUpBits = 8; m_rampDownBits = 8; m_rampRange = 60; m_modulateWhileRamping = true; m_markFrequency = 2200; m_spaceFrequency = 1200; m_ax25PreFlags = 5; m_ax25PostFlags = 4; // Extra seemingly needed for 9600. m_ax25Control = 3; m_ax25PID = 0xf0; m_preEmphasis = false; m_preEmphasisTau = 531e-6f; // Narrowband FM m_preEmphasisHighFreq = 3000.0f; m_lpfTaps = 301; m_bbNoise = false; m_rfNoise = false; m_writeToFile = false; m_spectrumRate = 8000; m_callsign = "MYCALL"; m_to = "APRS"; m_via = "WIDE2-2"; m_data = ">Using SDRangel"; m_rgbColor = QColor(0, 105, 2).rgb(); m_title = "Packet Modulator"; m_streamIndex = 0; m_useReverseAPI = false; m_reverseAPIAddress = "127.0.0.1"; m_reverseAPIPort = 8888; m_reverseAPIDeviceIndex = 0; m_reverseAPIChannelIndex = 0; m_bpf = false; m_bpfLowCutoff = m_spaceFrequency - 400.0f; m_bpfHighCutoff = m_markFrequency + 400.0f; m_bpfTaps = 301; m_scramble = false; m_polynomial = 0x10800; m_pulseShaping = true; m_beta = 0.5f; m_symbolSpan = 6; m_udpEnabled = false; m_udpAddress = "127.0.0.1"; m_udpPort = 9998; } bool PacketModSettings::setMode(QString mode) { int baud; bool valid; bool setCommon = false; // First part of mode string should give baud rate baud = mode.split(" ")[0].toInt(&valid); if (!valid) { return false; } if (mode.endsWith("AFSK")) { // UK channels - https://rsgb.org/main/blog/news/gb2rs/headlines/2015/12/04/check-your-aprs-deviation/ m_baud = baud; m_scramble = false; m_rfBandwidth = 12500.0f; m_fmDeviation = 2500.0f; m_modulation = PacketModSettings::AFSK; m_markFrequency = 2200; m_spaceFrequency = 1200; setCommon = true; } else if (mode.endsWith("FSK")) { // G3RUH - http://www.jrmiller.demon.co.uk/products/figs/man9k6.pdf m_baud = baud; m_scramble = true; m_polynomial = 0x10800; m_rfBandwidth = 20000.0f; m_fmDeviation = 3000.0f; m_modulation = PacketModSettings::FSK; m_beta = 0.5f; m_symbolSpan = 6; setCommon = true; } else { return false; } if (baud <= 2400) { m_spectrumRate = 8000; } else { m_spectrumRate = 24000; } if (setCommon) { m_ax25PreFlags = 5; m_ax25PostFlags = 4; m_ax25PID = 0xf0; m_ax25Control = 3; m_preEmphasis = false; m_preEmphasisTau = 531e-6f; // Narrowband FM m_preEmphasisHighFreq = 3000.0f; m_lpfTaps = 301; m_rampUpBits = 8; m_rampDownBits = 8; m_rampRange = 60; m_modulateWhileRamping = true; m_bpf = false; m_bpfLowCutoff = m_spaceFrequency - 400.0f; m_bpfHighCutoff = m_markFrequency + 400.0f; m_bpfTaps = 301; m_pulseShaping = true; } return true; } QString PacketModSettings::getMode() const { return QString("%1 %2").arg(m_baud).arg(m_modulation == PacketModSettings::AFSK ? "AFSK" : "FSK"); } QByteArray PacketModSettings::serialize() const { SimpleSerializer s(1); s.writeS32(1, m_inputFrequencyOffset); s.writeS32(2, m_baud); s.writeReal(3, m_rfBandwidth); s.writeReal(4, m_fmDeviation); s.writeReal(5, m_gain); s.writeBool(6, m_channelMute); s.writeBool(7, m_repeat); s.writeReal(8, m_repeatDelay); s.writeS32(9, m_repeatCount); s.writeS32(10, m_rampUpBits); s.writeS32(11, m_rampDownBits); s.writeS32(12, m_rampRange); s.writeBool(13, m_modulateWhileRamping); s.writeS32(14, m_markFrequency); s.writeS32(15, m_spaceFrequency); s.writeS32(16, m_ax25PreFlags); s.writeS32(17, m_ax25PostFlags); s.writeS32(18, m_ax25Control); s.writeS32(19, m_ax25PID); s.writeBool(20, m_preEmphasis); s.writeReal(21, m_preEmphasisTau); s.writeReal(22, m_preEmphasisHighFreq); s.writeS32(23, m_lpfTaps); s.writeBool(24, m_bbNoise); s.writeBool(25, m_rfNoise); s.writeBool(26, m_writeToFile); s.writeString(27, m_callsign); s.writeString(28, m_to); s.writeString(29, m_via); s.writeString(30, m_data); s.writeU32(31, m_rgbColor); s.writeString(32, m_title); if (m_channelMarker) { s.writeBlob(33, m_channelMarker->serialize()); } s.writeS32(34, m_streamIndex); s.writeBool(35, m_useReverseAPI); s.writeString(36, m_reverseAPIAddress); s.writeU32(37, m_reverseAPIPort); s.writeU32(38, m_reverseAPIDeviceIndex); s.writeU32(39, m_reverseAPIChannelIndex); s.writeBool(40, m_bpf); s.writeReal(41, m_bpfLowCutoff); s.writeReal(42, m_bpfHighCutoff); s.writeS32(43, m_bpfTaps); s.writeBool(44, m_scramble); s.writeS32(45, m_polynomial); s.writeBool(46, m_pulseShaping); s.writeReal(47, m_beta); s.writeS32(48, m_symbolSpan); s.writeS32(49, m_spectrumRate); s.writeS32(50, m_modulation); s.writeBool(51, m_udpEnabled); s.writeString(52, m_udpAddress); s.writeU32(53, m_udpPort); if (m_rollupState) { s.writeBlob(54, m_rollupState->serialize()); } return s.final(); } bool PacketModSettings::deserialize(const QByteArray& data) { SimpleDeserializer d(data); if(!d.isValid()) { resetToDefaults(); return false; } if(d.getVersion() == 1) { QByteArray bytetmp; qint32 tmp; uint32_t utmp; d.readS32(1, &tmp, 0); m_inputFrequencyOffset = tmp; d.readS32(2, &m_baud, 1200); d.readReal(3, &m_rfBandwidth, 12500.0f); d.readReal(4, &m_fmDeviation, 2500.0f); d.readReal(5, &m_gain, 0.0f); d.readBool(6, &m_channelMute, false); d.readBool(7, &m_repeat, false); d.readReal(8, &m_repeatDelay, 1.0f); d.readS32(9, &m_repeatCount, -1); d.readS32(10, &m_rampUpBits, 8); d.readS32(11, &m_rampDownBits, 8); d.readS32(12, &m_rampRange, 8); d.readBool(13, &m_modulateWhileRamping, true); d.readS32(14, &m_markFrequency, 5); d.readS32(15, &m_spaceFrequency, 5); d.readS32(16, &m_ax25PreFlags, 5); d.readS32(17, &m_ax25PostFlags, 4); d.readS32(18, &m_ax25Control, 3); d.readS32(19, &m_ax25PID, 0xf0); d.readBool(20, &m_preEmphasis, false); d.readReal(21, &m_preEmphasisTau, 531e-6f); d.readReal(22, &m_preEmphasisHighFreq, 3000.0f); d.readS32(23, &m_lpfTaps, 301); d.readBool(24, &m_bbNoise, false); d.readBool(25, &m_rfNoise, false); d.readBool(26, &m_writeToFile, false); d.readString(27, &m_callsign, "MYCALL"); d.readString(28, &m_to, "APRS"); d.readString(29, &m_via, "WIDE2-2"); d.readString(30, &m_data, ">Using SDRangel"); d.readU32(31, &m_rgbColor); d.readString(32, &m_title, "Packet Modulator"); if (m_channelMarker) { d.readBlob(33, &bytetmp); m_channelMarker->deserialize(bytetmp); } d.readS32(34, &m_streamIndex, 0); d.readBool(35, &m_useReverseAPI, false); d.readString(36, &m_reverseAPIAddress, "127.0.0.1"); d.readU32(37, &utmp, 0); if ((utmp > 1023) && (utmp < 65535)) { m_reverseAPIPort = utmp; } else { m_reverseAPIPort = 8888; } d.readU32(38, &utmp, 0); m_reverseAPIDeviceIndex = utmp > 99 ? 99 : utmp; d.readU32(39, &utmp, 0); m_reverseAPIChannelIndex = utmp > 99 ? 99 : utmp; d.readBool(40, &m_bpf, false); d.readReal(41, &m_bpfLowCutoff, 1200.0 - 400.0f); d.readReal(42, &m_bpfHighCutoff, 2200.0 + 400.0f); d.readS32(43, &m_bpfTaps, 301); d.readBool(44, &m_scramble, m_baud == 9600); d.readS32(45, &m_polynomial, 0x10800); d.readBool(46, &m_pulseShaping, true); d.readReal(47, &m_beta, 0.5f); d.readS32(48, &m_symbolSpan, 6); d.readS32(49, &m_spectrumRate, m_baud == 1200 ? 8000 : 24000); d.readS32(50, (qint32 *)&m_modulation, m_baud == 1200 ? PacketModSettings::AFSK : PacketModSettings::FSK); d.readBool(51, &m_udpEnabled); d.readString(52, &m_udpAddress, "127.0.0.1"); d.readU32(53, &utmp); if ((utmp > 1023) && (utmp < 65535)) { m_udpPort = utmp; } else { m_udpPort = 9998; } if (m_rollupState) { d.readBlob(54, &bytetmp); m_rollupState->deserialize(bytetmp); } return true; } else { qDebug() << "PacketModSettings::deserialize: ERROR"; resetToDefaults(); return false; } }