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sdrangel/plugins/channelrx/demodwfm/wfmdemodsettings.cpp

139 lines
4.0 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 F4EXB //
// written by Edouard Griffiths //
// //
// 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 //
// //
// 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 "dsp/dspengine.h"
#include "util/simpleserializer.h"
#include "settings/serializable.h"
#include "wfmdemodsettings.h"
const int WFMDemodSettings::m_rfBW[] = {
12500, 25000, 40000, 60000, 75000, 80000, 100000, 125000, 140000, 160000, 180000, 200000, 220000, 250000
};
const int WFMDemodSettings::m_nbRFBW = 14;
WFMDemodSettings::WFMDemodSettings() :
m_channelMarker(0)
{
resetToDefaults();
}
void WFMDemodSettings::resetToDefaults()
{
m_inputFrequencyOffset = 0;
m_rfBandwidth = getRFBW(5);
m_afBandwidth = 15000;
m_volume = 2.0;
m_squelch = -60.0;
m_audioMute = false;
m_rgbColor = QColor(0, 0, 255).rgb();
m_title = "WFM Demodulator";
m_audioDeviceName = AudioDeviceManager::m_defaultDeviceName;
}
QByteArray WFMDemodSettings::serialize() const
{
SimpleSerializer s(1);
s.writeS32(1, m_inputFrequencyOffset);
s.writeS32(2, getRFBWIndex(m_rfBandwidth));
s.writeS32(3, m_afBandwidth/1000.0);
s.writeS32(4, m_volume*10.0);
s.writeS32(5, m_squelch);
s.writeU32(7, m_rgbColor);
s.writeString(8, m_title);
s.writeString(9, m_audioDeviceName);
if (m_channelMarker) {
s.writeBlob(11, m_channelMarker->serialize());
}
return s.final();
}
bool WFMDemodSettings::deserialize(const QByteArray& data)
{
SimpleDeserializer d(data);
if(!d.isValid())
{
resetToDefaults();
return false;
}
if(d.getVersion() == 1)
{
QByteArray bytetmp;
qint32 tmp;
QString strtmp;
d.readS32(1, &tmp, 0);
m_inputFrequencyOffset = tmp;
d.readS32(2, &tmp, 4);
m_rfBandwidth = getRFBW(tmp);
d.readS32(3, &tmp, 3);
m_afBandwidth = tmp * 1000.0;
d.readS32(4, &tmp, 20);
m_volume = tmp * 0.1;
d.readS32(5, &tmp, -60);
m_squelch = tmp;
d.readU32(7, &m_rgbColor);
d.readString(8, &m_title, "WFM Demodulator");
d.readString(9, &m_audioDeviceName, AudioDeviceManager::m_defaultDeviceName);
d.readBlob(11, &bytetmp);
if (m_channelMarker) {
m_channelMarker->deserialize(bytetmp);
}
return true;
}
else
{
resetToDefaults();
return false;
}
}
int WFMDemodSettings::getRFBW(int index)
{
if (index < 0) {
return m_rfBW[0];
} else if (index < m_nbRFBW) {
return m_rfBW[index];
} else {
return m_rfBW[m_nbRFBW-1];
}
}
int WFMDemodSettings::getRFBWIndex(int rfbw)
{
for (int i = 0; i < m_nbRFBW; i++)
{
if (rfbw <= m_rfBW[i])
{
return i;
}
}
return m_nbRFBW-1;
}