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Start LoRa.

This commit is contained in:
John Greb 2015-01-11 00:12:58 +00:00
parent 79b67360bc
commit ebc90ea5b2
9 changed files with 667 additions and 0 deletions
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1
plugins/channel/CMakeLists.txt
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project(demod)
add_subdirectory(lora)
add_subdirectory(nfm)
add_subdirectory(ssb)
add_subdirectory(tcpsrc)

47
plugins/channel/lora/CMakeLists.txt Normal file
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project(lora)
set(lora_SOURCES
lorademod.cpp
lorademodgui.cpp
loraplugin.cpp
)
set(lora_HEADERS
lorademod.h
lorademodgui.h
loraplugin.h
)
set(lora_FORMS
lorademodgui.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(lora_HEADERS_MOC ${lora_HEADERS})
qt5_wrap_ui(lora_FORMS_HEADERS ${lora_FORMS})
add_library(demodlora SHARED
${lora_SOURCES}
${lora_HEADERS_MOC}
${lora_FORMS_HEADERS}
)
target_link_libraries(demodlora
${QT_LIBRARIES}
${OPENGL_LIBRARIES}
sdrbase
)
qt5_use_modules(demodlora Core Widgets OpenGL Multimedia)

102
plugins/channel/lora/lorademod.cpp Normal file
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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel //
// (c) 2015 John Greb
// //
// 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 <QTime>
#include <stdio.h>
#include "lorademod.h"
#include "dsp/dspcommands.h"
MESSAGE_CLASS_DEFINITION(LoRaDemod::MsgConfigureLoRaDemod, Message)
LoRaDemod::LoRaDemod(SampleSink* sampleSink) :
m_sampleSink(sampleSink)
{
m_Bandwidth = 7813;
m_sampleRate = 96000;
m_frequency = 0;
m_nco.setFreq(m_frequency, m_sampleRate);
m_interpolator.create(16, m_sampleRate, m_Bandwidth/2.0);
m_sampleDistanceRemain = (Real)m_sampleRate / m_Bandwidth;
m_freq = 0;
m_angle = 0;
}
LoRaDemod::~LoRaDemod()
{
}
void LoRaDemod::configure(MessageQueue* messageQueue, Real Bandwidth)
{
Message* cmd = MsgConfigureLoRaDemod::create(Bandwidth);
cmd->submit(messageQueue, this);
}
void LoRaDemod::feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool pO)
{
Complex ci;
m_sampleBuffer.clear();
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_sampleDistanceRemain, c, &ci)) {
m_freq = (m_freq + 1) & 255;
m_angle = (m_angle + m_freq) & 255;
Complex cangle(cos(M_PI*m_angle/128),-sin(M_PI*m_angle/128));
ci *= cangle;
m_sampleBuffer.push_back(Sample(ci.real() * 32000, ci.imag() * 32000));
m_sampleDistanceRemain += (Real)m_sampleRate / m_Bandwidth;
}
}
if(m_sampleSink != NULL)
m_sampleSink->feed(m_sampleBuffer.begin(), m_sampleBuffer.end(), true);
}
void LoRaDemod::start()
{
}
void LoRaDemod::stop()
{
}
bool LoRaDemod::handleMessage(Message* cmd)
{
if(DSPSignalNotification::match(cmd)) {
DSPSignalNotification* signal = (DSPSignalNotification*)cmd;
m_sampleRate = signal->getSampleRate();
m_nco.setFreq(-signal->getFrequencyOffset(), m_sampleRate);
m_interpolator.create(16, m_sampleRate, m_Bandwidth/2.0);
m_sampleDistanceRemain = m_sampleRate / m_Bandwidth;
cmd->completed();
return true;
} else if(MsgConfigureLoRaDemod::match(cmd)) {
MsgConfigureLoRaDemod* cfg = (MsgConfigureLoRaDemod*)cmd;
m_Bandwidth = cfg->getBandwidth();
m_interpolator.create(16, m_sampleRate, m_Bandwidth/2.0);
cmd->completed();
return true;
} else {
if(m_sampleSink != NULL)
return m_sampleSink->handleMessage(cmd);
else
return false;
}
}

75
plugins/channel/lora/lorademod.h Normal file
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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// (C) 2015 John Greb //
// //
// 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_LoRaDEMOD_H
#define INCLUDE_LoRaDEMOD_H
#include <vector>
#include "dsp/samplesink.h"
#include "dsp/nco.h"
#include "dsp/interpolator.h"
#include "util/message.h"
class LoRaDemod : public SampleSink {
public:
LoRaDemod(SampleSink* sampleSink);
~LoRaDemod();
void configure(MessageQueue* messageQueue, Real Bandwidth);
void feed(SampleVector::const_iterator begin, SampleVector::const_iterator end, bool pO);
void start();
void stop();
bool handleMessage(Message* cmd);
private:
class MsgConfigureLoRaDemod : public Message {
MESSAGE_CLASS_DECLARATION
public:
Real getBandwidth() const { return m_Bandwidth; }
static MsgConfigureLoRaDemod* create(Real Bandwidth)
{
return new MsgConfigureLoRaDemod(Bandwidth);
}
private:
Real m_Bandwidth;
MsgConfigureLoRaDemod(Real Bandwidth) :
Message(),
m_Bandwidth(Bandwidth)
{
}
};
Real m_Bandwidth;
int m_sampleRate;
int m_frequency;
int m_freq;
int m_angle;
NCO m_nco;
Interpolator m_interpolator;
Real m_sampleDistanceRemain;
SampleSink* m_sampleSink;
SampleVector m_sampleBuffer;
};
#endif // INCLUDE_LoRaDEMOD_H

168
plugins/channel/lora/lorademodgui.cpp Normal file
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#include <QDockWidget>
#include <QMainWindow>
#include "lorademodgui.h"
#include "ui_lorademodgui.h"
#include "lorademodgui.h"
#include "ui_lorademodgui.h"
#include "dsp/threadedsamplesink.h"
#include "dsp/channelizer.h"
#include "lorademod.h"
#include "dsp/spectrumvis.h"
#include "gui/glspectrum.h"
#include "plugin/pluginapi.h"
#include "util/simpleserializer.h"
#include "gui/basicchannelsettingswidget.h"
LoRaDemodGUI* LoRaDemodGUI::create(PluginAPI* pluginAPI)
{
LoRaDemodGUI* gui = new LoRaDemodGUI(pluginAPI);
return gui;
}
void LoRaDemodGUI::destroy()
{
delete this;
}
void LoRaDemodGUI::setName(const QString& name)
{
setObjectName(name);
}
void LoRaDemodGUI::resetToDefaults()
{
ui->BW->setValue(0);
applySettings();
}
QByteArray LoRaDemodGUI::serialize() const
{
SimpleSerializer s(1);
s.writeS32(1, m_channelMarker->getCenterFrequency());
s.writeS32(2, ui->BW->value());
s.writeBlob(3, ui->spectrumGUI->serialize());
s.writeU32(4, m_channelMarker->getColor().rgb());
return s.final();
}
bool LoRaDemodGUI::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, 0);
ui->BW->setValue(tmp);
d.readBlob(3, &bytetmp);
ui->spectrumGUI->deserialize(bytetmp);
if(d.readU32(4, &u32tmp))
m_channelMarker->setColor(u32tmp);
applySettings();
return true;
} else {
resetToDefaults();
return false;
}
}
bool LoRaDemodGUI::handleMessage(Message* message)
{
return false;
}
void LoRaDemodGUI::viewChanged()
{
applySettings();
}
void LoRaDemodGUI::on_BW_valueChanged(int value)
{
value = 7813;
ui->BWText->setText(QString("%1 Hz").arg(value));
m_channelMarker->setBandwidth(value);
applySettings();
}
void LoRaDemodGUI::onWidgetRolled(QWidget* widget, bool rollDown)
{
/*
if((widget == ui->spectrumContainer) && (m_LoRaDemod != NULL))
m_LoRaDemod->setSpectrum(m_threadedSampleSink->getMessageQueue(), rollDown);
*/
}
void LoRaDemodGUI::onMenuDoubleClicked()
{
if(!m_basicSettingsShown) {
m_basicSettingsShown = true;
BasicChannelSettingsWidget* bcsw = new BasicChannelSettingsWidget(m_channelMarker, this);
bcsw->show();
}
}
LoRaDemodGUI::LoRaDemodGUI(PluginAPI* pluginAPI, QWidget* parent) :
RollupWidget(parent),
ui(new Ui::LoRaDemodGUI),
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_spectrumVis = new SpectrumVis(ui->glSpectrum);
m_LoRaDemod = new LoRaDemod(m_spectrumVis);
m_channelizer = new Channelizer(m_LoRaDemod);
m_threadedSampleSink = new ThreadedSampleSink(m_channelizer);
m_pluginAPI->addSampleSink(m_threadedSampleSink);
ui->glSpectrum->setCenterFrequency(0);
ui->glSpectrum->setSampleRate(7813);
ui->glSpectrum->setDisplayWaterfall(true);
ui->glSpectrum->setDisplayMaxHold(true);
m_channelMarker = new ChannelMarker(this);
m_channelMarker->setColor(Qt::magenta);
m_channelMarker->setBandwidth(7813);
m_channelMarker->setCenterFrequency(0);
m_channelMarker->setVisible(true);
connect(m_channelMarker, SIGNAL(changed()), this, SLOT(viewChanged()));
m_pluginAPI->addChannelMarker(m_channelMarker);
ui->spectrumGUI->setBuddies(m_threadedSampleSink->getMessageQueue(), m_spectrumVis, ui->glSpectrum);
applySettings();
}
LoRaDemodGUI::~LoRaDemodGUI()
{
m_pluginAPI->removeChannelInstance(this);
m_pluginAPI->removeSampleSink(m_threadedSampleSink);
delete m_threadedSampleSink;
delete m_channelizer;
delete m_LoRaDemod;
delete m_spectrumVis;
delete m_channelMarker;
delete ui;
}
void LoRaDemodGUI::applySettings()
{
const int loraBW[] = {7813, 7813, 10417, 20833 };
int thisBW = loraBW[ui->BW->value()];
setTitleColor(m_channelMarker->getColor());
m_channelizer->configure(m_threadedSampleSink->getMessageQueue(),
thisBW,
m_channelMarker->getCenterFrequency());
m_LoRaDemod->configure(m_threadedSampleSink->getMessageQueue(), thisBW);
}

56
plugins/channel/lora/lorademodgui.h Normal file
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#ifndef INCLUDE_LoRaDEMODGUI_H
#define INCLUDE_LoRaDEMODGUI_H
#include "gui/rollupwidget.h"
#include "plugin/plugingui.h"
class PluginAPI;
class ChannelMarker;
class ThreadedSampleSink;
class Channelizer;
class LoRaDemod;
class SpectrumVis;
namespace Ui {
class LoRaDemodGUI;
}
class LoRaDemodGUI : public RollupWidget, public PluginGUI {
Q_OBJECT
public:
static LoRaDemodGUI* 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_BW_valueChanged(int value);
void onWidgetRolled(QWidget* widget, bool rollDown);
void onMenuDoubleClicked();
private:
Ui::LoRaDemodGUI* ui;
PluginAPI* m_pluginAPI;
ChannelMarker* m_channelMarker;
bool m_basicSettingsShown;
ThreadedSampleSink* m_threadedSampleSink;
Channelizer* m_channelizer;
LoRaDemod* m_LoRaDemod;
SpectrumVis* m_spectrumVis;
explicit LoRaDemodGUI(PluginAPI* pluginAPI, QWidget* parent = NULL);
~LoRaDemodGUI();
void applySettings();
};
#endif // INCLUDE_LoRaDEMODGUI_H

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plugins/channel/lora/lorademodgui.ui Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>LoRaDemodGUI</class>
<widget class="RollupWidget" name="LoRaDemodGUI">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>302</width>
<height>410</height>
</rect>
</property>
<property name="windowTitle">
<string>LoRa 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="margin">
<number>2</number>
</property>
<property name="spacing">
<number>3</number>
</property>
<item row="0" column="0">
<widget class="QLabel" name="label">
<property name="text">
<string>Bandwidth</string>
</property>
</widget>
</item>
<item row="0" column="1">
<widget class="QSlider" name="BW">
<property name="minimum">
<number>0</number>
</property>
<property name="maximum">
<number>1</number>
</property>
<property name="pageStep">
<number>1</number>
</property>
<property name="value">
<number>0</number>
</property>
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
</widget>
</item>
<item row="0" column="2">
<widget class="QLabel" name="BWText">
<property name="minimumSize">
<size>
<width>50</width>
<height>0</height>
</size>
</property>
<property name="text">
<string>7813 Hz</string>
</property>
<property name="alignment">
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
</property>
</widget>
</item>
</layout>
</widget>
<widget class="QWidget" name="spectrumContainer" native="true">
<property name="geometry">
<rect>
<x>40</x>
<y>140</y>
<width>218</width>
<height>184</height>
</rect>
</property>
<property name="windowTitle">
<string>Channel Spectrum</string>
</property>
<layout class="QVBoxLayout" name="verticalLayout">
<property name="spacing">
<number>2</number>
</property>
<property name="margin">
<number>3</number>
</property>
<item>
<widget class="GLSpectrum" name="glSpectrum" native="true">
<property name="minimumSize">
<size>
<width>200</width>
<height>150</height>
</size>
</property>
</widget>
</item>
<item>
<widget class="GLSpectrumGUI" name="spectrumGUI" native="true"/>
</item>
</layout>
</widget>
</widget>
<customwidgets>
<customwidget>
<class>GLSpectrum</class>
<extends>QWidget</extends>
<header>gui/glspectrum.h</header>
<container>1</container>
</customwidget>
<customwidget>
<class>GLSpectrumGUI</class>
<extends>QWidget</extends>
<header>gui/glspectrumgui.h</header>
<container>1</container>
</customwidget>
<customwidget>
<class>RollupWidget</class>
<extends>QWidget</extends>
<header>gui/rollupwidget.h</header>
<container>1</container>
</customwidget>
</customwidgets>
<resources/>
<connections/>
</ui>

53
plugins/channel/lora/loraplugin.cpp Normal file
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#include <QtPlugin>
#include <QAction>
#include "plugin/pluginapi.h"
#include "loraplugin.h"
#include "lorademodgui.h"
const PluginDescriptor LoRaPlugin::m_pluginDescriptor = {
QString("LoRa Demodulator"),
QString("0.1"),
QString("(c) 2015 John Greb"),
QString("http://www.maintech.de"),
true,
QString("github.com/hexameron/rtl-sdrangelove")
};
LoRaPlugin::LoRaPlugin(QObject* parent) :
QObject(parent)
{
}
const PluginDescriptor& LoRaPlugin::getPluginDescriptor() const
{
return m_pluginDescriptor;
}
void LoRaPlugin::initPlugin(PluginAPI* pluginAPI)
{
m_pluginAPI = pluginAPI;
// register demodulator
QAction* action = new QAction(tr("&LoRa Demodulator"), this);
connect(action, SIGNAL(triggered()), this, SLOT(createInstanceLoRa()));
m_pluginAPI->registerChannel("de.maintech.sdrangelove.channel.lora", this, action);
}
PluginGUI* LoRaPlugin::createChannel(const QString& channelName)
{
if(channelName == "de.maintech.sdrangelove.channel.lora") {
LoRaDemodGUI* gui = LoRaDemodGUI::create(m_pluginAPI);
m_pluginAPI->registerChannelInstance("de.maintech.sdrangelove.channel.lora", gui);
m_pluginAPI->addChannelRollup(gui);
return gui;
} else {
return NULL;
}
}
void LoRaPlugin::createInstanceLoRa()
{
LoRaDemodGUI* gui = LoRaDemodGUI::create(m_pluginAPI);
m_pluginAPI->registerChannelInstance("de.maintech.sdrangelove.channel.lora", gui);
m_pluginAPI->addChannelRollup(gui);
}

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plugins/channel/lora/loraplugin.h Normal file
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#ifndef INCLUDE_LoRaPLUGIN_H
#define INCLUDE_LoRaPLUGIN_H
#include <QObject>
#include "plugin/plugininterface.h"
class LoRaPlugin : public QObject, PluginInterface {
Q_OBJECT
Q_INTERFACES(PluginInterface)
Q_PLUGIN_METADATA(IID "de.maintech.sdrangelove.channel.lora")
public:
explicit LoRaPlugin(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 createInstanceLoRa();
};
#endif // INCLUDE_LoRaPLUGIN_H