mirror of
https://github.com/f4exb/sdrangel.git
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309 lines
9.2 KiB
C++
309 lines
9.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2020-2021 Jon Beniston, M7RCE <jon@beniston.com> //
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// Copyright (C) 2021-2022 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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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 <QDebug>
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#include "util/simpleserializer.h"
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#include "settings/serializable.h"
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#include "ieee_802_15_4_modsettings.h"
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#include "ieee_802_15_4_macframe.h"
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IEEE_802_15_4_ModSettings::IEEE_802_15_4_ModSettings() :
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m_channelMarker(nullptr),
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m_rollupState(nullptr)
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{
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resetToDefaults();
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}
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void IEEE_802_15_4_ModSettings::resetToDefaults()
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{
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IEEE_802_15_4_MacFrame macFrame;
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char frame[1024];
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macFrame.toHexCharArray(frame);
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m_inputFrequencyOffset = 0;
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m_modulation = BPSK;
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m_bitRate = 20000;
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m_subGHzBand = true;
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m_rfBandwidth = 2.0f * 300000.0f;
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m_gain = -1.0f; // To avoid overflow, which results in out-of-band RF
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m_channelMute = false;
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m_repeat = false;
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m_repeatDelay = 1.0f;
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m_repeatCount = infinitePackets;
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m_rampUpBits = 0;
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m_rampDownBits = 0;
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m_rampRange = 0;
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m_modulateWhileRamping = true;
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m_lpfTaps = 301;
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m_bbNoise = false;
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m_writeToFile = false;
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m_spectrumRate = m_rfBandwidth;
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m_data = QString(frame);
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m_rgbColor = QColor(255, 0, 0).rgb();
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m_title = "802.15.4 Modulator";
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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_scramble = false;
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m_polynomial = 0x108;
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m_pulseShaping = RC;
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m_beta = 1.0f;
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m_symbolSpan = 6;
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m_udpEnabled = false;
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m_udpBytesFormat = false;
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m_udpAddress = "127.0.0.1";
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m_udpPort = 9998;
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m_workspaceIndex = 0;
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m_hidden = false;
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}
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bool IEEE_802_15_4_ModSettings::setPHY(QString phy)
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{
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float bitRate;
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bool valid;
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// First part of phy string should give bitrate in kbps
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bitRate = phy.split("k")[0].toFloat(&valid) * 1000.0f;
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if (!valid) {
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return false;
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}
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if (phy.contains("BPSK"))
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{
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m_bitRate = bitRate;
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m_subGHzBand = true;
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m_rfBandwidth = 2.0 * bitRate * 15.0;
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m_spectrumRate = m_rfBandwidth;
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m_modulation = IEEE_802_15_4_ModSettings::BPSK;
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m_pulseShaping = RC;
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m_beta = 1.0f;
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m_symbolSpan = 6;
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}
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else if (phy.contains("O-QPSK"))
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{
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m_bitRate = bitRate;
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m_subGHzBand = phy.contains("<1");
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m_rfBandwidth = 2.0 * (bitRate / 4.0) * (m_subGHzBand ? 16.0 : 32.0);
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m_spectrumRate = m_rfBandwidth;
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m_modulation = IEEE_802_15_4_ModSettings::OQPSK;
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if (phy.contains("RC"))
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{
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m_pulseShaping = RC;
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m_beta = 0.8f;
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m_symbolSpan = 6;
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}
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else
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m_pulseShaping = SINE;
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}
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else
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return false;
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return true;
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}
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QString IEEE_802_15_4_ModSettings::getPHY() const
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{
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int decPos = 0;
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if (m_bitRate < 10000) {
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decPos = 1;
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}
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return QString("%1kbps %2").arg(m_bitRate / 1000.0, 0, 'f', decPos).arg(m_modulation == IEEE_802_15_4_ModSettings::BPSK ? "BPSK" : "O-QPSK");
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}
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int IEEE_802_15_4_ModSettings::getChipRate() const
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{
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int chipsPerSymbol, bitsPerSymbol;
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if (m_modulation == BPSK)
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{
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chipsPerSymbol = 15;
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bitsPerSymbol = 1;
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}
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else
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{
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bitsPerSymbol = 4;
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chipsPerSymbol = m_subGHzBand ? 16 : 32;
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}
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return m_bitRate * chipsPerSymbol / bitsPerSymbol;
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}
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QByteArray IEEE_802_15_4_ModSettings::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_bitRate);
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s.writeReal(3, m_rfBandwidth);
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s.writeBool(4, m_subGHzBand);
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s.writeReal(5, m_gain);
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s.writeBool(6, m_channelMute);
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s.writeBool(7, m_repeat);
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s.writeReal(8, m_repeatDelay);
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s.writeS32(9, m_repeatCount);
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s.writeS32(10, m_rampUpBits);
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s.writeS32(11, m_rampDownBits);
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s.writeS32(12, m_rampRange);
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s.writeBool(13, m_modulateWhileRamping);
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s.writeS32(14, m_lpfTaps);
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s.writeBool(15, m_bbNoise);
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s.writeBool(16, m_writeToFile);
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s.writeString(17, m_data);
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s.writeU32(18, m_rgbColor);
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s.writeString(19, m_title);
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if (m_channelMarker) {
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s.writeBlob(20, m_channelMarker->serialize());
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}
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s.writeS32(21, m_streamIndex);
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s.writeBool(22, m_useReverseAPI);
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s.writeString(23, m_reverseAPIAddress);
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s.writeU32(24, m_reverseAPIPort);
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s.writeU32(25, m_reverseAPIDeviceIndex);
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s.writeU32(26, m_reverseAPIChannelIndex);
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s.writeBool(27, m_scramble);
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s.writeS32(28, m_polynomial);
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s.writeS32(29, m_pulseShaping);
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s.writeReal(30, m_beta);
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s.writeS32(31, m_symbolSpan);
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s.writeS32(32, m_spectrumRate);
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s.writeS32(33, m_modulation);
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s.writeBool(34, m_udpEnabled);
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s.writeString(35, m_udpAddress);
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s.writeU32(36, m_udpPort);
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s.writeBool(37, m_udpBytesFormat);
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if (m_rollupState) {
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s.writeBlob(38, m_rollupState->serialize());
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}
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s.writeS32(39, m_workspaceIndex);
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s.writeBlob(40, m_geometryBytes);
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s.writeBool(41, m_hidden);
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return s.final();
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}
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bool IEEE_802_15_4_ModSettings::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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qint32 tmp;
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uint32_t utmp;
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d.readS32(1, &tmp, 0);
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m_inputFrequencyOffset = tmp;
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d.readS32(2, &m_bitRate, 20000);
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d.readReal(3, &m_rfBandwidth, 2.0f * 300000.0f);
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d.readBool(4, &m_subGHzBand, m_bitRate <= 40000);
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d.readReal(5, &m_gain, 0.0f);
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d.readBool(6, &m_channelMute, false);
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d.readBool(7, &m_repeat, false);
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d.readReal(8, &m_repeatDelay, 1.0f);
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d.readS32(9, &m_repeatCount, -1);
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d.readS32(10, &m_rampUpBits, 8);
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d.readS32(11, &m_rampDownBits, 8);
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d.readS32(12, &m_rampRange, 8);
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d.readBool(13, &m_modulateWhileRamping, true);
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d.readS32(14, &m_lpfTaps, 301);
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d.readBool(15, &m_bbNoise, false);
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d.readBool(16, &m_writeToFile, false);
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d.readString(17, &m_data, "");
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d.readU32(18, &m_rgbColor);
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d.readString(19, &m_title, "802.15.4 Modulator");
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if (m_channelMarker)
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{
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d.readBlob(20, &bytetmp);
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m_channelMarker->deserialize(bytetmp);
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}
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d.readS32(21, &m_streamIndex, 0);
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d.readBool(22, &m_useReverseAPI, false);
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d.readString(23, &m_reverseAPIAddress, "127.0.0.1");
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d.readU32(24, &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(25, &utmp, 0);
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m_reverseAPIDeviceIndex = utmp > 99 ? 99 : utmp;
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d.readU32(26, &utmp, 0);
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m_reverseAPIChannelIndex = utmp > 99 ? 99 : utmp;
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d.readBool(27, &m_scramble, false);
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d.readS32(28, &m_polynomial, 0x108);
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d.readS32(29, (qint32 *)&m_pulseShaping, RC);
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d.readReal(30, &m_beta, 1.0f);
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d.readS32(31, &m_symbolSpan, 6);
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d.readS32(32, &m_spectrumRate, m_rfBandwidth);
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d.readS32(33, (qint32 *)&m_modulation, m_bitRate < 100000 ? IEEE_802_15_4_ModSettings::BPSK : IEEE_802_15_4_ModSettings::OQPSK);
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d.readBool(34, &m_udpEnabled);
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d.readString(35, &m_udpAddress, "127.0.0.1");
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d.readU32(36, &utmp);
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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 = 9998;
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}
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d.readBool(37, &m_udpBytesFormat);
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if (m_rollupState)
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{
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d.readBlob(38, &bytetmp);
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m_rollupState->deserialize(bytetmp);
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}
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d.readS32(39, &m_workspaceIndex, 0);
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d.readBlob(40, &m_geometryBytes);
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d.readBool(41, &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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qDebug() << "IEEE_802_15_4_ModSettings::deserialize: ERROR";
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resetToDefaults();
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return false;
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}
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}
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