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sdrangel/plugins/channeltx/modpacket/packetmodsettings.cpp

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2020-2021 Jon Beniston, M7RCE <jon@beniston.com> //
// Copyright (C) 2021-2022 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
// //
// 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 <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QColor>
#include <QDebug>
#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;
m_workspaceIndex = 0;
m_hidden = false;
}
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());
}
s.writeS32(55, m_workspaceIndex);
s.writeBlob(56, m_geometryBytes);
s.writeBool(57, m_hidden);
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);
}
d.readS32(55, &m_workspaceIndex, 0);
d.readBlob(56, &m_geometryBytes);
d.readBool(57, &m_hidden, false);
return true;
}
else
{
qDebug() << "PacketModSettings::deserialize: ERROR";
resetToDefaults();
return false;
}
}
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