mirror of https://github.com/f4exb/sdrangel.git
Added AM demodulator plugin
This commit is contained in:
f4exb
parent
c59e15ea3f
commit
8d15cabe70
|
|
@ -77,14 +77,12 @@ Done since the fork
|
|||
- Make the sidebands appear correctly on SSB channel overlay. Limit to +/- 6 kHz to fit channel spectrum analyzer window
|
||||
- SSB bandwidth can now be tuned in steps of 100 Hz
|
||||
- NFM and SSB receiver in focus trigger the display of the central frequency line on the spectrum frequency scale thus facilitating its identification
|
||||
|
||||
- Added AM demod so now you can listen to air traffic!
|
||||
|
||||
=====
|
||||
To Do
|
||||
=====
|
||||
|
||||
|
||||
- AM demod. What about the air band?!
|
||||
- Add the possibility to change the brightness and/or color of the grid. Sometimes it is barely visible yet useful
|
||||
- Possibility to completely undock the receiver in a separate window. Useful when there are many receivers
|
||||
- Larger decimation capability for narrowband and very narrowband work (32, 64, ...)
|
||||
|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
project(demod)
|
||||
|
||||
add_subdirectory(lora)
|
||||
add_subdirectory(am)
|
||||
add_subdirectory(nfm)
|
||||
add_subdirectory(ssb)
|
||||
add_subdirectory(tcpsrc)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,47 @@
|
|||
project(am)
|
||||
|
||||
set(am_SOURCES
|
||||
amdemod.cpp
|
||||
amdemodgui.cpp
|
||||
amplugin.cpp
|
||||
)
|
||||
|
||||
set(am_HEADERS
|
||||
amdemod.h
|
||||
amdemodgui.h
|
||||
amplugin.h
|
||||
)
|
||||
|
||||
set(am_FORMS
|
||||
amdemodgui.ui
|
||||
)
|
||||
|
||||
include_directories(
|
||||
.
|
||||
${CMAKE_CURRENT_BINARY_DIR}
|
||||
${CMAKE_SOURCE_DIR}/include
|
||||
${CMAKE_SOURCE_DIR}/include-gpl
|
||||
${OPENGL_INCLUDE_DIR}
|
||||
)
|
||||
|
||||
#include(${QT_USE_FILE})
|
||||
add_definitions(${QT_DEFINITIONS})
|
||||
add_definitions(-DQT_PLUGIN)
|
||||
add_definitions(-DQT_SHARED)
|
||||
|
||||
#qt5_wrap_cpp(nfm_HEADERS_MOC ${nfm_HEADERS})
|
||||
qt5_wrap_ui(am_FORMS_HEADERS ${am_FORMS})
|
||||
|
||||
add_library(demodam SHARED
|
||||
${am_SOURCES}
|
||||
${am_HEADERS_MOC}
|
||||
${am_FORMS_HEADERS}
|
||||
)
|
||||
|
||||
target_link_libraries(demodam
|
||||
${QT_LIBRARIES}
|
||||
${OPENGL_LIBRARIES}
|
||||
sdrbase
|
||||
)
|
||||
|
||||
qt5_use_modules(demodam Core Widgets OpenGL Multimedia)
|
||||
|
|
@ -0,0 +1,244 @@
|
|||
///////////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright (C) 2015 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 //
|
||||
// //
|
||||
// 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 "amdemod.h"
|
||||
|
||||
#include <QTime>
|
||||
#include <stdio.h>
|
||||
#include <complex.h>
|
||||
#include "audio/audiooutput.h"
|
||||
#include "dsp/dspcommands.h"
|
||||
#include "dsp/pidcontroller.h"
|
||||
|
||||
MESSAGE_CLASS_DEFINITION(AMDemod::MsgConfigureAMDemod, Message)
|
||||
|
||||
AMDemod::AMDemod(AudioFifo* audioFifo, SampleSink* sampleSink) :
|
||||
m_sampleSink(sampleSink),
|
||||
m_audioFifo(audioFifo)
|
||||
{
|
||||
m_config.m_inputSampleRate = 96000;
|
||||
m_config.m_inputFrequencyOffset = 0;
|
||||
m_config.m_rfBandwidth = 12500;
|
||||
m_config.m_afBandwidth = 3000;
|
||||
m_config.m_squelch = -40.0;
|
||||
m_config.m_volume = 2.0;
|
||||
m_config.m_audioSampleRate = 48000;
|
||||
|
||||
apply();
|
||||
|
||||
m_audioBuffer.resize(16384);
|
||||
m_audioBufferFill = 0;
|
||||
|
||||
m_movingAverage.resize(16, 0);
|
||||
}
|
||||
|
||||
AMDemod::~AMDemod()
|
||||
{
|
||||
}
|
||||
|
||||
void AMDemod::configure(MessageQueue* messageQueue, Real rfBandwidth, Real afBandwidth, Real volume, Real squelch)
|
||||
{
|
||||
Message* cmd = MsgConfigureAMDemod::create(rfBandwidth, afBandwidth, volume, squelch);
|
||||
cmd->submit(messageQueue, this);
|
||||
}
|
||||
|
||||
float arctan2(Real y, Real x)
|
||||
{
|
||||
Real coeff_1 = M_PI / 4;
|
||||
Real coeff_2 = 3 * coeff_1;
|
||||
Real abs_y = fabs(y) + 1e-10; // kludge to prevent 0/0 condition
|
||||
Real angle;
|
||||
if( x>= 0) {
|
||||
Real r = (x - abs_y) / (x + abs_y);
|
||||
angle = coeff_1 - coeff_1 * r;
|
||||
} else {
|
||||
Real r = (x + abs_y) / (abs_y - x);
|
||||
angle = coeff_2 - coeff_1 * r;
|
||||
}
|
||||
if(y < 0)
|
||||
return(-angle);
|
||||
else return(angle);
|
||||
}
|
||||
|
||||
Real angleDist(Real a, Real b)
|
||||
{
|
||||
Real dist = b - a;
|
||||
|
||||
while(dist <= M_PI)
|
||||
dist += 2 * M_PI;
|
||||
while(dist >= M_PI)
|
||||
dist -= 2 * M_PI;
|
||||
|
||||
return dist;
|
||||
}
|
||||
|
||||
void AMDemod::feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool firstOfBurst)
|
||||
{
|
||||
Complex ci;
|
||||
|
||||
if(m_audioFifo->size() <= 0)
|
||||
return;
|
||||
|
||||
for(SampleVector::const_iterator it = begin; it != end; ++it) {
|
||||
Complex c(it->real() / 32768.0, it->imag() / 32768.0);
|
||||
c *= m_nco.nextIQ();
|
||||
|
||||
{
|
||||
if(m_interpolator.interpolate(&m_interpolatorDistanceRemain, c, &ci)) {
|
||||
m_sampleBuffer.push_back(Sample(ci.real() * 32767.0, ci.imag() * 32767.0));
|
||||
|
||||
Real magsq = ci.real() * ci.real() + ci.imag() * ci.imag();
|
||||
m_movingAverage.feed(magsq);
|
||||
if(m_movingAverage.average() >= m_squelchLevel)
|
||||
m_squelchState = m_running.m_audioSampleRate/ 20;
|
||||
|
||||
qint16 sample;
|
||||
if(m_squelchState > 0) {
|
||||
m_squelchState--;
|
||||
/*
|
||||
Real argument = arg(ci);
|
||||
Real demod = argument - m_lastArgument;
|
||||
m_lastArgument = argument;
|
||||
*/
|
||||
|
||||
/* NFM demod:
|
||||
Complex d = conj(m_lastSample) * ci;
|
||||
m_lastSample = ci;
|
||||
Real demod = atan2(d.imag(), d.real());
|
||||
//Real demod = arctan2(d.imag(), d.real());
|
||||
*/
|
||||
|
||||
/*
|
||||
Real argument1 = arg(ci);//atan2(ci.imag(), ci.real());
|
||||
Real argument2 = m_lastSample.real();
|
||||
Real demod = angleDist(argument2, argument1);
|
||||
m_lastSample = Complex(argument1, 0);
|
||||
*/
|
||||
Real demod = sqrt(magsq);
|
||||
|
||||
//demod /= M_PI;
|
||||
|
||||
demod = m_lowpass.filter(demod);
|
||||
|
||||
if(demod < -1)
|
||||
demod = -1;
|
||||
else if(demod > 1)
|
||||
demod = 1;
|
||||
|
||||
demod *= m_running.m_volume;
|
||||
sample = demod * 32700;
|
||||
|
||||
} else {
|
||||
sample = 0;
|
||||
}
|
||||
|
||||
m_audioBuffer[m_audioBufferFill].l = sample;
|
||||
m_audioBuffer[m_audioBufferFill].r = sample;
|
||||
++m_audioBufferFill;
|
||||
if(m_audioBufferFill >= m_audioBuffer.size()) {
|
||||
uint res = m_audioFifo->write((const quint8*)&m_audioBuffer[0], m_audioBufferFill, 1);
|
||||
if(res != m_audioBufferFill)
|
||||
qDebug("lost %u audio samples", m_audioBufferFill - res);
|
||||
m_audioBufferFill = 0;
|
||||
}
|
||||
|
||||
m_interpolatorDistanceRemain += m_interpolatorDistance;
|
||||
}
|
||||
}
|
||||
}
|
||||
if(m_audioBufferFill > 0) {
|
||||
uint res = m_audioFifo->write((const quint8*)&m_audioBuffer[0], m_audioBufferFill, 1);
|
||||
if(res != m_audioBufferFill)
|
||||
qDebug("lost %u samples", m_audioBufferFill - res);
|
||||
m_audioBufferFill = 0;
|
||||
}
|
||||
|
||||
if(m_sampleSink != NULL)
|
||||
m_sampleSink->feed(m_sampleBuffer.begin(), m_sampleBuffer.end(), false);
|
||||
m_sampleBuffer.clear();
|
||||
}
|
||||
|
||||
void AMDemod::start()
|
||||
{
|
||||
m_squelchState = 0;
|
||||
m_audioFifo->clear();
|
||||
m_interpolatorRegulation = 0.9999;
|
||||
m_interpolatorDistance = 1.0;
|
||||
m_interpolatorDistanceRemain = 0.0;
|
||||
m_lastSample = 0;
|
||||
}
|
||||
|
||||
void AMDemod::stop()
|
||||
{
|
||||
}
|
||||
|
||||
bool AMDemod::handleMessage(Message* cmd)
|
||||
{
|
||||
if(DSPSignalNotification::match(cmd)) {
|
||||
DSPSignalNotification* signal = (DSPSignalNotification*)cmd;
|
||||
|
||||
m_config.m_inputSampleRate = signal->getSampleRate();
|
||||
m_config.m_inputFrequencyOffset = signal->getFrequencyOffset();
|
||||
apply();
|
||||
cmd->completed();
|
||||
return true;
|
||||
} else if(MsgConfigureAMDemod::match(cmd)) {
|
||||
MsgConfigureAMDemod* cfg = (MsgConfigureAMDemod*)cmd;
|
||||
m_config.m_rfBandwidth = cfg->getRFBandwidth();
|
||||
m_config.m_afBandwidth = cfg->getAFBandwidth();
|
||||
m_config.m_volume = cfg->getVolume();
|
||||
m_config.m_squelch = cfg->getSquelch();
|
||||
apply();
|
||||
return true;
|
||||
} else {
|
||||
if(m_sampleSink != NULL)
|
||||
return m_sampleSink->handleMessage(cmd);
|
||||
else return false;
|
||||
}
|
||||
}
|
||||
|
||||
void AMDemod::apply()
|
||||
{
|
||||
|
||||
if((m_config.m_inputFrequencyOffset != m_running.m_inputFrequencyOffset) ||
|
||||
(m_config.m_inputSampleRate != m_running.m_inputSampleRate)) {
|
||||
m_nco.setFreq(-m_config.m_inputFrequencyOffset, m_config.m_inputSampleRate);
|
||||
}
|
||||
|
||||
if((m_config.m_inputSampleRate != m_running.m_inputSampleRate) ||
|
||||
(m_config.m_rfBandwidth != m_running.m_rfBandwidth)) {
|
||||
m_interpolator.create(16, m_config.m_inputSampleRate, m_config.m_rfBandwidth / 2.2);
|
||||
m_interpolatorDistanceRemain = 0;
|
||||
m_interpolatorDistance = m_config.m_inputSampleRate / m_config.m_audioSampleRate;
|
||||
}
|
||||
|
||||
if((m_config.m_afBandwidth != m_running.m_afBandwidth) ||
|
||||
(m_config.m_audioSampleRate != m_running.m_audioSampleRate)) {
|
||||
m_lowpass.create(21, m_config.m_audioSampleRate, m_config.m_afBandwidth);
|
||||
}
|
||||
|
||||
if(m_config.m_squelch != m_running.m_squelch) {
|
||||
m_squelchLevel = pow(10.0, m_config.m_squelch / 20.0);
|
||||
m_squelchLevel *= m_squelchLevel;
|
||||
}
|
||||
|
||||
m_running.m_inputSampleRate = m_config.m_inputSampleRate;
|
||||
m_running.m_inputFrequencyOffset = m_config.m_inputFrequencyOffset;
|
||||
m_running.m_rfBandwidth = m_config.m_rfBandwidth;
|
||||
m_running.m_squelch = m_config.m_squelch;
|
||||
m_running.m_volume = m_config.m_volume;
|
||||
m_running.m_audioSampleRate = m_config.m_audioSampleRate;
|
||||
}
|
||||
|
|
@ -0,0 +1,131 @@
|
|||
///////////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright (C) 2015 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 //
|
||||
// //
|
||||
// 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/>. //
|
||||
///////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#ifndef INCLUDE_AMDEMOD_H
|
||||
#define INCLUDE_AMDEMOD_H
|
||||
|
||||
#include <vector>
|
||||
#include "dsp/samplesink.h"
|
||||
#include "dsp/nco.h"
|
||||
#include "dsp/interpolator.h"
|
||||
#include "dsp/lowpass.h"
|
||||
#include "dsp/movingaverage.h"
|
||||
#include "audio/audiofifo.h"
|
||||
#include "util/message.h"
|
||||
|
||||
class AudioFifo;
|
||||
|
||||
class AMDemod : public SampleSink {
|
||||
public:
|
||||
AMDemod(AudioFifo* audioFifo, SampleSink* sampleSink);
|
||||
~AMDemod();
|
||||
|
||||
void configure(MessageQueue* messageQueue, Real rfBandwidth, Real afBandwidth, Real volume, Real squelch);
|
||||
|
||||
void feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool po);
|
||||
void start();
|
||||
void stop();
|
||||
bool handleMessage(Message* cmd);
|
||||
|
||||
private:
|
||||
class MsgConfigureAMDemod : public Message {
|
||||
MESSAGE_CLASS_DECLARATION
|
||||
|
||||
public:
|
||||
Real getRFBandwidth() const { return m_rfBandwidth; }
|
||||
Real getAFBandwidth() const { return m_afBandwidth; }
|
||||
Real getVolume() const { return m_volume; }
|
||||
Real getSquelch() const { return m_squelch; }
|
||||
|
||||
static MsgConfigureAMDemod* create(Real rfBandwidth, Real afBandwidth, Real volume, Real squelch)
|
||||
{
|
||||
return new MsgConfigureAMDemod(rfBandwidth, afBandwidth, volume, squelch);
|
||||
}
|
||||
|
||||
private:
|
||||
Real m_rfBandwidth;
|
||||
Real m_afBandwidth;
|
||||
Real m_volume;
|
||||
Real m_squelch;
|
||||
|
||||
MsgConfigureAMDemod(Real rfBandwidth, Real afBandwidth, Real volume, Real squelch) :
|
||||
Message(),
|
||||
m_rfBandwidth(rfBandwidth),
|
||||
m_afBandwidth(afBandwidth),
|
||||
m_volume(volume),
|
||||
m_squelch(squelch)
|
||||
{ }
|
||||
};
|
||||
|
||||
struct AudioSample {
|
||||
qint16 l;
|
||||
qint16 r;
|
||||
};
|
||||
typedef std::vector<AudioSample> AudioVector;
|
||||
|
||||
enum RateState {
|
||||
RSInitialFill,
|
||||
RSRunning
|
||||
};
|
||||
|
||||
struct Config {
|
||||
int m_inputSampleRate;
|
||||
qint64 m_inputFrequencyOffset;
|
||||
Real m_rfBandwidth;
|
||||
Real m_afBandwidth;
|
||||
Real m_squelch;
|
||||
Real m_volume;
|
||||
quint32 m_audioSampleRate;
|
||||
|
||||
Config() :
|
||||
m_inputSampleRate(-1),
|
||||
m_inputFrequencyOffset(0),
|
||||
m_rfBandwidth(-1),
|
||||
m_afBandwidth(-1),
|
||||
m_squelch(0),
|
||||
m_volume(0),
|
||||
m_audioSampleRate(0)
|
||||
{ }
|
||||
};
|
||||
|
||||
Config m_config;
|
||||
Config m_running;
|
||||
|
||||
NCO m_nco;
|
||||
Real m_interpolatorRegulation;
|
||||
Interpolator m_interpolator;
|
||||
Real m_interpolatorDistance;
|
||||
Real m_interpolatorDistanceRemain;
|
||||
Lowpass<Real> m_lowpass;
|
||||
|
||||
Real m_squelchLevel;
|
||||
int m_squelchState;
|
||||
|
||||
Real m_lastArgument;
|
||||
Complex m_lastSample;
|
||||
MovingAverage m_movingAverage;
|
||||
|
||||
AudioVector m_audioBuffer;
|
||||
uint m_audioBufferFill;
|
||||
|
||||
SampleSink* m_sampleSink;
|
||||
AudioFifo* m_audioFifo;
|
||||
SampleVector m_sampleBuffer;
|
||||
|
||||
void apply();
|
||||
};
|
||||
|
||||
#endif // INCLUDE_AMDEMOD_H
|
||||
|
|
@ -0,0 +1,236 @@
|
|||
#include "amdemodgui.h"
|
||||
|
||||
#include <QDockWidget>
|
||||
#include <QMainWindow>
|
||||
#include "ui_amdemodgui.h"
|
||||
#include "dsp/threadedsamplesink.h"
|
||||
#include "dsp/channelizer.h"
|
||||
#include "dsp/nullsink.h"
|
||||
#include "gui/glspectrum.h"
|
||||
#include "plugin/pluginapi.h"
|
||||
#include "util/simpleserializer.h"
|
||||
#include "gui/basicchannelsettingswidget.h"
|
||||
|
||||
#include <iostream>
|
||||
#include "amdemod.h"
|
||||
|
||||
const int AMDemodGUI::m_rfBW[] = {
|
||||
5000, 6250, 8330, 10000, 12500, 15000, 20000, 25000, 40000
|
||||
};
|
||||
|
||||
AMDemodGUI* AMDemodGUI::create(PluginAPI* pluginAPI)
|
||||
{
|
||||
AMDemodGUI* gui = new AMDemodGUI(pluginAPI);
|
||||
return gui;
|
||||
}
|
||||
|
||||
void AMDemodGUI::destroy()
|
||||
{
|
||||
delete this;
|
||||
}
|
||||
|
||||
void AMDemodGUI::setName(const QString& name)
|
||||
{
|
||||
setObjectName(name);
|
||||
}
|
||||
|
||||
void AMDemodGUI::resetToDefaults()
|
||||
{
|
||||
ui->rfBW->setValue(4);
|
||||
ui->afBW->setValue(3);
|
||||
ui->volume->setValue(20);
|
||||
ui->squelch->setValue(-40);
|
||||
ui->deltaFrequency->setValue(0);
|
||||
applySettings();
|
||||
}
|
||||
|
||||
QByteArray AMDemodGUI::serialize() const
|
||||
{
|
||||
SimpleSerializer s(1);
|
||||
s.writeS32(1, m_channelMarker->getCenterFrequency());
|
||||
s.writeS32(2, ui->rfBW->value());
|
||||
s.writeS32(3, ui->afBW->value());
|
||||
s.writeS32(4, ui->volume->value());
|
||||
s.writeS32(5, ui->squelch->value());
|
||||
//s.writeBlob(6, ui->spectrumGUI->serialize());
|
||||
s.writeU32(7, m_channelMarker->getColor().rgb());
|
||||
return s.final();
|
||||
}
|
||||
|
||||
bool AMDemodGUI::deserialize(const QByteArray& data)
|
||||
{
|
||||
SimpleDeserializer d(data);
|
||||
|
||||
if(!d.isValid()) {
|
||||
resetToDefaults();
|
||||
return false;
|
||||
}
|
||||
|
||||
if(d.getVersion() == 1) {
|
||||
QByteArray bytetmp;
|
||||
quint32 u32tmp;
|
||||
qint32 tmp;
|
||||
d.readS32(1, &tmp, 0);
|
||||
m_channelMarker->setCenterFrequency(tmp);
|
||||
d.readS32(2, &tmp, 4);
|
||||
ui->rfBW->setValue(tmp);
|
||||
d.readS32(3, &tmp, 3);
|
||||
ui->afBW->setValue(tmp);
|
||||
d.readS32(4, &tmp, 20);
|
||||
ui->volume->setValue(tmp);
|
||||
d.readS32(5, &tmp, -40);
|
||||
ui->squelch->setValue(tmp);
|
||||
//d.readBlob(6, &bytetmp);
|
||||
//ui->spectrumGUI->deserialize(bytetmp);
|
||||
if(d.readU32(7, &u32tmp))
|
||||
m_channelMarker->setColor(u32tmp);
|
||||
applySettings();
|
||||
return true;
|
||||
} else {
|
||||
resetToDefaults();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
bool AMDemodGUI::handleMessage(Message* message)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
void AMDemodGUI::viewChanged()
|
||||
{
|
||||
applySettings();
|
||||
}
|
||||
|
||||
void AMDemodGUI::on_deltaMinus_clicked(bool minus)
|
||||
{
|
||||
int deltaFrequency = m_channelMarker->getCenterFrequency();
|
||||
bool minusDelta = (deltaFrequency < 0);
|
||||
|
||||
if (minus ^ minusDelta) // sign change
|
||||
{
|
||||
m_channelMarker->setCenterFrequency(-deltaFrequency);
|
||||
}
|
||||
}
|
||||
|
||||
void AMDemodGUI::on_deltaFrequency_changed(quint64 value)
|
||||
{
|
||||
if (ui->deltaMinus->isChecked()) {
|
||||
m_channelMarker->setCenterFrequency(-value);
|
||||
} else {
|
||||
m_channelMarker->setCenterFrequency(value);
|
||||
}
|
||||
}
|
||||
|
||||
void AMDemodGUI::on_rfBW_valueChanged(int value)
|
||||
{
|
||||
ui->rfBWText->setText(QString("%1 kHz").arg(m_rfBW[value] / 1000.0));
|
||||
m_channelMarker->setBandwidth(m_rfBW[value]);
|
||||
applySettings();
|
||||
}
|
||||
|
||||
void AMDemodGUI::on_afBW_valueChanged(int value)
|
||||
{
|
||||
ui->afBWText->setText(QString("%1 kHz").arg(value));
|
||||
applySettings();
|
||||
}
|
||||
|
||||
void AMDemodGUI::on_volume_valueChanged(int value)
|
||||
{
|
||||
ui->volumeText->setText(QString("%1").arg(value / 10.0, 0, 'f', 1));
|
||||
applySettings();
|
||||
}
|
||||
|
||||
void AMDemodGUI::on_squelch_valueChanged(int value)
|
||||
{
|
||||
ui->squelchText->setText(QString("%1 dB").arg(value));
|
||||
applySettings();
|
||||
}
|
||||
|
||||
|
||||
void AMDemodGUI::onWidgetRolled(QWidget* widget, bool rollDown)
|
||||
{
|
||||
/*
|
||||
if((widget == ui->spectrumContainer) && (m_nfmDemod != NULL))
|
||||
m_nfmDemod->setSpectrum(m_threadedSampleSink->getMessageQueue(), rollDown);
|
||||
*/
|
||||
}
|
||||
|
||||
void AMDemodGUI::onMenuDoubleClicked()
|
||||
{
|
||||
if(!m_basicSettingsShown) {
|
||||
m_basicSettingsShown = true;
|
||||
BasicChannelSettingsWidget* bcsw = new BasicChannelSettingsWidget(m_channelMarker, this);
|
||||
bcsw->show();
|
||||
}
|
||||
}
|
||||
|
||||
AMDemodGUI::AMDemodGUI(PluginAPI* pluginAPI, QWidget* parent) :
|
||||
RollupWidget(parent),
|
||||
ui(new Ui::AMDemodGUI),
|
||||
m_pluginAPI(pluginAPI),
|
||||
m_basicSettingsShown(false)
|
||||
{
|
||||
ui->setupUi(this);
|
||||
setAttribute(Qt::WA_DeleteOnClose, true);
|
||||
connect(this, SIGNAL(widgetRolled(QWidget*,bool)), this, SLOT(onWidgetRolled(QWidget*,bool)));
|
||||
connect(this, SIGNAL(menuDoubleClickEvent()), this, SLOT(onMenuDoubleClicked()));
|
||||
|
||||
m_audioFifo = new AudioFifo(4, 48000);
|
||||
m_nullSink = new NullSink();
|
||||
m_amDemod = new AMDemod(m_audioFifo, m_nullSink);
|
||||
m_channelizer = new Channelizer(m_amDemod);
|
||||
m_threadedSampleSink = new ThreadedSampleSink(m_channelizer);
|
||||
m_pluginAPI->addAudioSource(m_audioFifo);
|
||||
m_pluginAPI->addSampleSink(m_threadedSampleSink);
|
||||
|
||||
m_channelMarker = new ChannelMarker(this);
|
||||
m_channelMarker->setColor(Qt::yellow);
|
||||
m_channelMarker->setBandwidth(12500);
|
||||
m_channelMarker->setCenterFrequency(0);
|
||||
m_channelMarker->setVisible(true);
|
||||
connect(m_channelMarker, SIGNAL(changed()), this, SLOT(viewChanged()));
|
||||
m_pluginAPI->addChannelMarker(m_channelMarker);
|
||||
|
||||
applySettings();
|
||||
}
|
||||
|
||||
AMDemodGUI::~AMDemodGUI()
|
||||
{
|
||||
m_pluginAPI->removeChannelInstance(this);
|
||||
m_pluginAPI->removeAudioSource(m_audioFifo);
|
||||
m_pluginAPI->removeSampleSink(m_threadedSampleSink);
|
||||
delete m_threadedSampleSink;
|
||||
delete m_channelizer;
|
||||
delete m_amDemod;
|
||||
delete m_nullSink;
|
||||
delete m_audioFifo;
|
||||
delete m_channelMarker;
|
||||
delete ui;
|
||||
}
|
||||
|
||||
void AMDemodGUI::applySettings()
|
||||
{
|
||||
setTitleColor(m_channelMarker->getColor());
|
||||
m_channelizer->configure(m_threadedSampleSink->getMessageQueue(),
|
||||
48000,
|
||||
m_channelMarker->getCenterFrequency());
|
||||
ui->deltaFrequency->setValue(abs(m_channelMarker->getCenterFrequency()));
|
||||
ui->deltaMinus->setChecked(m_channelMarker->getCenterFrequency() < 0);
|
||||
m_amDemod->configure(m_threadedSampleSink->getMessageQueue(),
|
||||
m_rfBW[ui->rfBW->value()],
|
||||
ui->afBW->value() * 1000.0,
|
||||
ui->volume->value() / 10.0,
|
||||
ui->squelch->value());
|
||||
}
|
||||
|
||||
void AMDemodGUI::leaveEvent(QEvent*)
|
||||
{
|
||||
m_channelMarker->setHighlighted(false);
|
||||
}
|
||||
|
||||
void AMDemodGUI::enterEvent(QEvent*)
|
||||
{
|
||||
m_channelMarker->setHighlighted(true);
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,69 @@
|
|||
#ifndef INCLUDE_AMDEMODGUI_H
|
||||
#define INCLUDE_AMDEMODGUI_H
|
||||
|
||||
#include "gui/rollupwidget.h"
|
||||
#include "plugin/plugingui.h"
|
||||
|
||||
class PluginAPI;
|
||||
class ChannelMarker;
|
||||
|
||||
class AudioFifo;
|
||||
class ThreadedSampleSink;
|
||||
class Channelizer;
|
||||
class AMDemod;
|
||||
class NullSink;
|
||||
|
||||
namespace Ui {
|
||||
class AMDemodGUI;
|
||||
}
|
||||
|
||||
class AMDemodGUI : public RollupWidget, public PluginGUI {
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
static AMDemodGUI* create(PluginAPI* pluginAPI);
|
||||
void destroy();
|
||||
|
||||
void setName(const QString& name);
|
||||
|
||||
void resetToDefaults();
|
||||
QByteArray serialize() const;
|
||||
bool deserialize(const QByteArray& data);
|
||||
|
||||
bool handleMessage(Message* message);
|
||||
|
||||
private slots:
|
||||
void viewChanged();
|
||||
void on_deltaFrequency_changed(quint64 value);
|
||||
void on_deltaMinus_clicked(bool minus);
|
||||
void on_rfBW_valueChanged(int value);
|
||||
void on_afBW_valueChanged(int value);
|
||||
void on_volume_valueChanged(int value);
|
||||
void on_squelch_valueChanged(int value);
|
||||
void onWidgetRolled(QWidget* widget, bool rollDown);
|
||||
void onMenuDoubleClicked();
|
||||
|
||||
private:
|
||||
Ui::AMDemodGUI* ui;
|
||||
PluginAPI* m_pluginAPI;
|
||||
ChannelMarker* m_channelMarker;
|
||||
bool m_basicSettingsShown;
|
||||
|
||||
AudioFifo* m_audioFifo;
|
||||
ThreadedSampleSink* m_threadedSampleSink;
|
||||
Channelizer* m_channelizer;
|
||||
AMDemod* m_amDemod;
|
||||
NullSink *m_nullSink;
|
||||
|
||||
static const int m_rfBW[];
|
||||
|
||||
explicit AMDemodGUI(PluginAPI* pluginAPI, QWidget* parent = NULL);
|
||||
~AMDemodGUI();
|
||||
|
||||
void applySettings();
|
||||
|
||||
void leaveEvent(QEvent*);
|
||||
void enterEvent(QEvent*);
|
||||
};
|
||||
|
||||
#endif // INCLUDE_AMDEMODGUI_H
|
||||
|
|
@ -0,0 +1,270 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<ui version="4.0">
|
||||
<class>AMDemodGUI</class>
|
||||
<widget class="RollupWidget" name="AMDemodGUI">
|
||||
<property name="geometry">
|
||||
<rect>
|
||||
<x>0</x>
|
||||
<y>0</y>
|
||||
<width>302</width>
|
||||
<height>138</height>
|
||||
</rect>
|
||||
</property>
|
||||
<property name="focusPolicy">
|
||||
<enum>Qt::StrongFocus</enum>
|
||||
</property>
|
||||
<property name="windowTitle">
|
||||
<string>AM Demodulator</string>
|
||||
</property>
|
||||
<widget class="QWidget" name="settingsContainer" native="true">
|
||||
<property name="geometry">
|
||||
<rect>
|
||||
<x>35</x>
|
||||
<y>35</y>
|
||||
<width>242</width>
|
||||
<height>96</height>
|
||||
</rect>
|
||||
</property>
|
||||
<property name="windowTitle">
|
||||
<string>Settings</string>
|
||||
</property>
|
||||
<layout class="QGridLayout" name="gridLayout">
|
||||
<property name="leftMargin">
|
||||
<number>2</number>
|
||||
</property>
|
||||
<property name="topMargin">
|
||||
<number>2</number>
|
||||
</property>
|
||||
<property name="rightMargin">
|
||||
<number>2</number>
|
||||
</property>
|
||||
<property name="bottomMargin">
|
||||
<number>2</number>
|
||||
</property>
|
||||
<property name="spacing">
|
||||
<number>3</number>
|
||||
</property>
|
||||
<item row="3" column="1">
|
||||
<widget class="QSlider" name="volume">
|
||||
<property name="maximum">
|
||||
<number>100</number>
|
||||
</property>
|
||||
<property name="value">
|
||||
<number>20</number>
|
||||
</property>
|
||||
<property name="orientation">
|
||||
<enum>Qt::Horizontal</enum>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="1" column="1">
|
||||
<widget class="QSlider" name="rfBW">
|
||||
<property name="maximum">
|
||||
<number>8</number>
|
||||
</property>
|
||||
<property name="pageStep">
|
||||
<number>1</number>
|
||||
</property>
|
||||
<property name="value">
|
||||
<number>4</number>
|
||||
</property>
|
||||
<property name="orientation">
|
||||
<enum>Qt::Horizontal</enum>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="0" column="0">
|
||||
<widget class="QRadioButton" name="deltaMinus">
|
||||
<property name="layoutDirection">
|
||||
<enum>Qt::RightToLeft</enum>
|
||||
</property>
|
||||
<property name="text">
|
||||
<string>Minus</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="4" column="0">
|
||||
<widget class="QLabel" name="label_4">
|
||||
<property name="text">
|
||||
<string>Squelch</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="2" column="0">
|
||||
<widget class="QLabel" name="label_2">
|
||||
<property name="text">
|
||||
<string>AF Bandwidth</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="4" column="1">
|
||||
<widget class="QSlider" name="squelch">
|
||||
<property name="minimum">
|
||||
<number>-100</number>
|
||||
</property>
|
||||
<property name="maximum">
|
||||
<number>0</number>
|
||||
</property>
|
||||
<property name="value">
|
||||
<number>-40</number>
|
||||
</property>
|
||||
<property name="orientation">
|
||||
<enum>Qt::Horizontal</enum>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="1" column="2">
|
||||
<widget class="QLabel" name="rfBWText">
|
||||
<property name="minimumSize">
|
||||
<size>
|
||||
<width>50</width>
|
||||
<height>0</height>
|
||||
</size>
|
||||
</property>
|
||||
<property name="text">
|
||||
<string>12.5kHz</string>
|
||||
</property>
|
||||
<property name="alignment">
|
||||
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="1" column="0">
|
||||
<widget class="QLabel" name="label">
|
||||
<property name="text">
|
||||
<string>RF Bandwidth</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="2" column="2">
|
||||
<widget class="QLabel" name="afBWText">
|
||||
<property name="minimumSize">
|
||||
<size>
|
||||
<width>50</width>
|
||||
<height>0</height>
|
||||
</size>
|
||||
</property>
|
||||
<property name="text">
|
||||
<string>3 kHz</string>
|
||||
</property>
|
||||
<property name="alignment">
|
||||
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="2" column="1">
|
||||
<widget class="QSlider" name="afBW">
|
||||
<property name="minimum">
|
||||
<number>1</number>
|
||||
</property>
|
||||
<property name="maximum">
|
||||
<number>20</number>
|
||||
</property>
|
||||
<property name="pageStep">
|
||||
<number>1</number>
|
||||
</property>
|
||||
<property name="value">
|
||||
<number>3</number>
|
||||
</property>
|
||||
<property name="orientation">
|
||||
<enum>Qt::Horizontal</enum>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="4" column="2">
|
||||
<widget class="QLabel" name="squelchText">
|
||||
<property name="minimumSize">
|
||||
<size>
|
||||
<width>50</width>
|
||||
<height>0</height>
|
||||
</size>
|
||||
</property>
|
||||
<property name="text">
|
||||
<string>-40dB</string>
|
||||
</property>
|
||||
<property name="alignment">
|
||||
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="3" column="0">
|
||||
<widget class="QLabel" name="label_3">
|
||||
<property name="text">
|
||||
<string>Volume</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="3" column="2">
|
||||
<widget class="QLabel" name="volumeText">
|
||||
<property name="minimumSize">
|
||||
<size>
|
||||
<width>50</width>
|
||||
<height>0</height>
|
||||
</size>
|
||||
</property>
|
||||
<property name="text">
|
||||
<string>2.0</string>
|
||||
</property>
|
||||
<property name="alignment">
|
||||
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="0" column="1">
|
||||
<widget class="ValueDial" name="deltaFrequency" native="true">
|
||||
<property name="sizePolicy">
|
||||
<sizepolicy hsizetype="Maximum" vsizetype="Maximum">
|
||||
<horstretch>0</horstretch>
|
||||
<verstretch>0</verstretch>
|
||||
</sizepolicy>
|
||||
</property>
|
||||
<property name="minimumSize">
|
||||
<size>
|
||||
<width>32</width>
|
||||
<height>16</height>
|
||||
</size>
|
||||
</property>
|
||||
<property name="font">
|
||||
<font>
|
||||
<family>Monospace</family>
|
||||
<pointsize>12</pointsize>
|
||||
</font>
|
||||
</property>
|
||||
<property name="cursor">
|
||||
<cursorShape>SizeVerCursor</cursorShape>
|
||||
</property>
|
||||
<property name="focusPolicy">
|
||||
<enum>Qt::StrongFocus</enum>
|
||||
</property>
|
||||
<property name="toolTip">
|
||||
<string>Demod shift frequency from center in Hz</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="0" column="2">
|
||||
<widget class="QLabel" name="deltaUnits">
|
||||
<property name="text">
|
||||
<string>Hz</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
</layout>
|
||||
</widget>
|
||||
</widget>
|
||||
<customwidgets>
|
||||
<customwidget>
|
||||
<class>RollupWidget</class>
|
||||
<extends>QWidget</extends>
|
||||
<header>gui/rollupwidget.h</header>
|
||||
<container>1</container>
|
||||
</customwidget>
|
||||
<customwidget>
|
||||
<class>ValueDial</class>
|
||||
<extends>QWidget</extends>
|
||||
<header>gui/valuedial.h</header>
|
||||
<container>1</container>
|
||||
</customwidget>
|
||||
</customwidgets>
|
||||
<resources/>
|
||||
<connections/>
|
||||
</ui>
|
||||
|
|
@ -0,0 +1,54 @@
|
|||
#include "amplugin.h"
|
||||
|
||||
#include <QtPlugin>
|
||||
#include <QAction>
|
||||
#include "plugin/pluginapi.h"
|
||||
#include "amdemodgui.h"
|
||||
|
||||
const PluginDescriptor AMPlugin::m_pluginDescriptor = {
|
||||
QString("AM Demodulator"),
|
||||
QString("---"),
|
||||
QString("(c) Edouard Griffiths, F4EXB"),
|
||||
QString("https://github.com/f4exb/rtl-sdrangelove/tree/f4exb"),
|
||||
true,
|
||||
QString("https://github.com/f4exb/rtl-sdrangelove/tree/f4exb")
|
||||
};
|
||||
|
||||
AMPlugin::AMPlugin(QObject* parent) :
|
||||
QObject(parent)
|
||||
{
|
||||
}
|
||||
|
||||
const PluginDescriptor& AMPlugin::getPluginDescriptor() const
|
||||
{
|
||||
return m_pluginDescriptor;
|
||||
}
|
||||
|
||||
void AMPlugin::initPlugin(PluginAPI* pluginAPI)
|
||||
{
|
||||
m_pluginAPI = pluginAPI;
|
||||
|
||||
// register AM demodulator
|
||||
QAction* action = new QAction(tr("&AM Demodulator"), this);
|
||||
connect(action, SIGNAL(triggered()), this, SLOT(createInstanceAM()));
|
||||
m_pluginAPI->registerChannel("de.maintech.sdrangelove.channel.am", this, action);
|
||||
}
|
||||
|
||||
PluginGUI* AMPlugin::createChannel(const QString& channelName)
|
||||
{
|
||||
if(channelName == "de.maintech.sdrangelove.channel.am") {
|
||||
AMDemodGUI* gui = AMDemodGUI::create(m_pluginAPI);
|
||||
m_pluginAPI->registerChannelInstance("de.maintech.sdrangelove.channel.am", gui);
|
||||
m_pluginAPI->addChannelRollup(gui);
|
||||
return gui;
|
||||
} else {
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
void AMPlugin::createInstanceAM()
|
||||
{
|
||||
AMDemodGUI* gui = AMDemodGUI::create(m_pluginAPI);
|
||||
m_pluginAPI->registerChannelInstance("de.maintech.sdrangelove.channel.am", gui);
|
||||
m_pluginAPI->addChannelRollup(gui);
|
||||
}
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
#ifndef INCLUDE_AMPLUGIN_H
|
||||
#define INCLUDE_AMPLUGIN_H
|
||||
|
||||
#include <QObject>
|
||||
#include "plugin/plugininterface.h"
|
||||
|
||||
class AMPlugin : public QObject, PluginInterface {
|
||||
Q_OBJECT
|
||||
Q_INTERFACES(PluginInterface)
|
||||
Q_PLUGIN_METADATA(IID "de.maintech.sdrangelove.channel.am")
|
||||
|
||||
public:
|
||||
explicit AMPlugin(QObject* parent = NULL);
|
||||
|
||||
const PluginDescriptor& getPluginDescriptor() const;
|
||||
void initPlugin(PluginAPI* pluginAPI);
|
||||
|
||||
PluginGUI* createChannel(const QString& channelName);
|
||||
|
||||
private:
|
||||
static const PluginDescriptor m_pluginDescriptor;
|
||||
|
||||
PluginAPI* m_pluginAPI;
|
||||
|
||||
private slots:
|
||||
void createInstanceAM();
|
||||
};
|
||||
|
||||
#endif // INCLUDE_AMPLUGIN_H
|
||||
Loading…
Reference in New Issue