mirror of https://github.com/f4exb/sdrangel.git
Template for (possible) kernel driver.
This commit is contained in:
John Greb
parent
d132f07bbe
commit
cce7115288
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@ -0,0 +1,50 @@
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project(v4l)
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set(v4l_SOURCES
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v4lgui.cpp
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v4linput.cpp
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v4lplugin.cpp
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v4lthread.cpp
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)
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set(rtlsdr_HEADERS
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v4lgui.h
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v4linput.h
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v4lplugin.h
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v4lthread.h
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)
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set(v4l_FORMS
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v4lgui.ui
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)
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include_directories(
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.
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${CMAKE_CURRENT_BINARY_DIR}
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${CMAKE_SOURCE_DIR}/include
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${CMAKE_SOURCE_DIR}/include-gpl
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${LIBRTLSDR_INCLUDE_DIR}
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)
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#include(${QT_USE_FILE})
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add_definitions(${QT_DEFINITIONS})
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add_definitions(-DQT_PLUGIN)
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add_definitions(-DQT_SHARED)
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#qt4_wrap_cpp(rtlsdr_HEADERS_MOC ${v4l_HEADERS})
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qt5_wrap_ui(v4l_FORMS_HEADERS ${v4l_FORMS})
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add_library(inputv4l SHARED
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${v4l_SOURCES}
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${v4l_HEADERS_MOC}
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${v4l_FORMS_HEADERS}
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)
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target_link_libraries(inputv4l
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${QT_LIBRARIES}
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${LIBRTLSDR_LIBRARIES}
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${LIBUSB_LIBRARIES}
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sdrbase
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)
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qt5_use_modules(inputv4l Core Widgets OpenGL Multimedia)
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#include "v4lgui.h"
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#include "ui_v4lgui.h"
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#include "plugin/pluginapi.h"
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V4LGui::V4LGui(PluginAPI* pluginAPI, QWidget* parent) :
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QWidget(parent),
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ui(new Ui::V4LGui),
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m_pluginAPI(pluginAPI),
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m_settings(),
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m_sampleSource(NULL)
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{
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ui->setupUi(this);
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ui->centerFrequency->setValueRange(7, 20000U, 2200000U);
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connect(&m_updateTimer, SIGNAL(timeout()), this, SLOT(updateHardware()));
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displaySettings();
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m_sampleSource = new V4LInput(m_pluginAPI->getMainWindowMessageQueue());
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m_pluginAPI->setSampleSource(m_sampleSource);
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}
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V4LGui::~V4LGui()
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{
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delete ui;
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}
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void V4LGui::destroy()
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{
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delete this;
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}
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void V4LGui::setName(const QString& name)
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{
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setObjectName(name);
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}
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void V4LGui::resetToDefaults()
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{
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m_generalSettings.resetToDefaults();
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m_settings.resetToDefaults();
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displaySettings();
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sendSettings();
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}
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QByteArray V4LGui::serializeGeneral() const
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{
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return m_generalSettings.serialize();
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}
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bool V4LGui::deserializeGeneral(const QByteArray&data)
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{
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if(m_generalSettings.deserialize(data)) {
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displaySettings();
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sendSettings();
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return true;
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} else {
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resetToDefaults();
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return false;
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}
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}
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quint64 V4LGui::getCenterFrequency() const
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{
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return m_generalSettings.m_centerFrequency;
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}
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QByteArray V4LGui::serialize() const
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{
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return m_settings.serialize();
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}
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bool V4LGui::deserialize(const QByteArray& data)
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{
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if(m_settings.deserialize(data)) {
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displaySettings();
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sendSettings();
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return true;
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} else {
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resetToDefaults();
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return false;
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}
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}
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bool V4LGui::handleMessage(Message* message)
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{
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if(V4LInput::MsgReportV4L::match(message)) {
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m_gains = ((V4LInput::MsgReportV4L*)message)->getGains();
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displaySettings();
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message->completed();
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return true;
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} else {
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return false;
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}
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}
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void V4LGui::displaySettings()
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{
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ui->centerFrequency->setValue(m_generalSettings.m_centerFrequency / 1000);
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ui->decimation->setValue(m_settings.m_decimation);
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if(m_gains.size() > 0) {
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int dist = abs(m_settings.m_gain - m_gains[0]);
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int pos = 0;
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for(uint i = 1; i < m_gains.size(); i++) {
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if(abs(m_settings.m_gain - m_gains[i]) < dist) {
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dist = abs(m_settings.m_gain - m_gains[i]);
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pos = i;
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}
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}
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ui->gainText->setText(tr("%1.%2").arg(m_gains[pos] / 10).arg(abs(m_gains[pos] % 10)));
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ui->gain->setMaximum(m_gains.size() - 1);
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ui->gain->setEnabled(true);
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ui->gain->setValue(pos);
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} else {
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ui->gain->setMaximum(0);
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ui->gain->setEnabled(false);
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ui->gain->setValue(0);
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}
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}
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void V4LGui::sendSettings()
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{
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if(!m_updateTimer.isActive())
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m_updateTimer.start(100);
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}
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void V4LGui::on_centerFrequency_changed(quint64 value)
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{
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m_generalSettings.m_centerFrequency = value * 1000;
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sendSettings();
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}
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void V4LGui::on_gain_valueChanged(int value)
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{
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if(value > (int)m_gains.size())
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return;
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int gain = m_gains[value];
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ui->gainText->setText(tr("%1.%2").arg(gain / 10).arg(abs(gain % 10)));
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m_settings.m_gain = gain;
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sendSettings();
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}
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void V4LGui::on_decimation_valueChanged(int value)
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{
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ui->decimationText->setText(tr("1:%1").arg(1 << value));
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m_settings.m_decimation = value;
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sendSettings();
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}
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void V4LGui::updateHardware()
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{
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V4LInput::MsgConfigureV4L* message = V4LInput::MsgConfigureV4L::create(m_generalSettings, m_settings);
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message->submit(m_pluginAPI->getDSPEngineMessageQueue());
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m_updateTimer.stop();
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}
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#ifndef INCLUDE_V4LGUI_H
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#define INCLUDE_V4LGUI_H
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#include <QTimer>
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#include "plugin/plugingui.h"
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#include "v4linput.h"
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class PluginAPI;
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namespace Ui {
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class V4LGui;
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}
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class V4LGui : public QWidget, public PluginGUI {
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Q_OBJECT
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public:
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explicit V4LGui(PluginAPI* pluginAPI, QWidget* parent = NULL);
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~V4LGui();
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void destroy();
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void setName(const QString& name);
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void resetToDefaults();
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QByteArray serializeGeneral() const;
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bool deserializeGeneral(const QByteArray&data);
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quint64 getCenterFrequency() const;
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QByteArray serialize() const;
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bool deserialize(const QByteArray& data);
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bool handleMessage(Message* message);
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private:
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Ui::V4LGui* ui;
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PluginAPI* m_pluginAPI;
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SampleSource::GeneralSettings m_generalSettings;
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V4LInput::Settings m_settings;
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QTimer m_updateTimer;
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std::vector<int> m_gains;
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SampleSource* m_sampleSource;
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void displaySettings();
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void sendSettings();
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private slots:
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void on_centerFrequency_changed(quint64 value);
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void on_gain_valueChanged(int value);
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void on_decimation_valueChanged(int value);
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void updateHardware();
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};
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#endif // INCLUDE_V4LGUI_H
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@ -0,0 +1,229 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>V4LGui</class>
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<widget class="QWidget" name="V4LGui">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>132</width>
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<height>82</height>
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</rect>
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</property>
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<property name="sizePolicy">
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<sizepolicy hsizetype="Preferred" vsizetype="Maximum">
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<horstretch>0</horstretch>
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<verstretch>0</verstretch>
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</sizepolicy>
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</property>
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<property name="windowTitle">
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<string>Video4Linux</string>
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</property>
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<layout class="QVBoxLayout" name="verticalLayout">
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<property name="spacing">
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<number>3</number>
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</property>
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<property name="leftMargin">
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<number>2</number>
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</property>
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<property name="topMargin">
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<number>2</number>
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</property>
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<property name="rightMargin">
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<number>2</number>
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</property>
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<property name="bottomMargin">
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<number>2</number>
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</property>
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<item>
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<layout class="QHBoxLayout" name="horizontalLayout_3">
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<item>
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<spacer name="horizontalSpacer">
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<property name="orientation">
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<enum>Qt::Horizontal</enum>
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</property>
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<property name="sizeHint" stdset="0">
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<size>
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<width>0</width>
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<height>0</height>
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</size>
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</property>
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</spacer>
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</item>
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<item>
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<widget class="ValueDial" name="centerFrequency" native="true">
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<property name="sizePolicy">
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<sizepolicy hsizetype="Maximum" vsizetype="Maximum">
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<horstretch>0</horstretch>
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<verstretch>0</verstretch>
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</sizepolicy>
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</property>
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<property name="minimumSize">
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<size>
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<width>32</width>
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<height>16</height>
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</size>
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</property>
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<property name="font">
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<font>
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<family>Monospace</family>
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<pointsize>20</pointsize>
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</font>
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</property>
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<property name="focusPolicy">
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<enum>Qt::StrongFocus</enum>
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</property>
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<property name="toolTip">
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<string>Tuner center frequency in kHz</string>
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</property>
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</widget>
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</item>
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<item>
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<spacer name="horizontalSpacer_2">
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<property name="orientation">
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<enum>Qt::Horizontal</enum>
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</property>
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<property name="sizeHint" stdset="0">
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<size>
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<width>0</width>
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<height>0</height>
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</size>
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</property>
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</spacer>
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</item>
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</layout>
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</item>
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<item>
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<widget class="Line" name="line_4">
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<property name="orientation">
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<enum>Qt::Horizontal</enum>
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</property>
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</widget>
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</item>
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<item>
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<layout class="QGridLayout" name="gridLayout_3">
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<property name="spacing">
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<number>3</number>
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</property>
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<item row="0" column="1">
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<widget class="QSlider" name="decimation">
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<property name="toolTip">
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<string>Signal decimation factor</string>
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</property>
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<property name="maximum">
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<number>4</number>
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</property>
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<property name="pageStep">
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<number>1</number>
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</property>
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<property name="orientation">
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<enum>Qt::Horizontal</enum>
|
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</property>
|
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</widget>
|
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</item>
|
||||
<item row="0" column="0">
|
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<widget class="QLabel" name="label_12">
|
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<property name="sizePolicy">
|
||||
<sizepolicy hsizetype="Maximum" vsizetype="Preferred">
|
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<horstretch>0</horstretch>
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<verstretch>0</verstretch>
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</sizepolicy>
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</property>
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<property name="text">
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<string>Zoom Out</string>
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</property>
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</widget>
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</item>
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<item row="0" column="2">
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<widget class="QLabel" name="decimationText">
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<property name="minimumSize">
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<size>
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<width>40</width>
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<height>0</height>
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||||
</size>
|
||||
</property>
|
||||
<property name="text">
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<string>1:1</string>
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</property>
|
||||
<property name="alignment">
|
||||
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
</layout>
|
||||
</item>
|
||||
<item>
|
||||
<widget class="Line" name="line_3">
|
||||
<property name="orientation">
|
||||
<enum>Qt::Horizontal</enum>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item>
|
||||
<layout class="QGridLayout" name="gridLayout_2">
|
||||
<property name="spacing">
|
||||
<number>3</number>
|
||||
</property>
|
||||
<item row="0" column="0">
|
||||
<widget class="QLabel" name="label_11">
|
||||
<property name="sizePolicy">
|
||||
<sizepolicy hsizetype="Maximum" vsizetype="Preferred">
|
||||
<horstretch>0</horstretch>
|
||||
<verstretch>0</verstretch>
|
||||
</sizepolicy>
|
||||
</property>
|
||||
<property name="text">
|
||||
<string>Gain</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="0" column="1">
|
||||
<widget class="QSlider" name="gain">
|
||||
<property name="enabled">
|
||||
<bool>false</bool>
|
||||
</property>
|
||||
<property name="toolTip">
|
||||
<string>LNA amplification</string>
|
||||
</property>
|
||||
<property name="maximum">
|
||||
<number>0</number>
|
||||
</property>
|
||||
<property name="pageStep">
|
||||
<number>1</number>
|
||||
</property>
|
||||
<property name="orientation">
|
||||
<enum>Qt::Horizontal</enum>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item row="0" column="2">
|
||||
<widget class="QLabel" name="gainText">
|
||||
<property name="minimumSize">
|
||||
<size>
|
||||
<width>40</width>
|
||||
<height>0</height>
|
||||
</size>
|
||||
</property>
|
||||
<property name="text">
|
||||
<string>---</string>
|
||||
</property>
|
||||
<property name="alignment">
|
||||
<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
</layout>
|
||||
</item>
|
||||
</layout>
|
||||
</widget>
|
||||
<customwidgets>
|
||||
<customwidget>
|
||||
<class>ValueDial</class>
|
||||
<extends>QWidget</extends>
|
||||
<header>gui/valuedial.h</header>
|
||||
<container>1</container>
|
||||
</customwidget>
|
||||
</customwidgets>
|
||||
<resources/>
|
||||
<connections/>
|
||||
</ui>
|
||||
|
|
@ -0,0 +1,231 @@
|
|||
///////////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
||||
// written by Christian Daniel //
|
||||
// //
|
||||
// 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 <string.h>
|
||||
#include <errno.h>
|
||||
#include "v4linput.h"
|
||||
#include "v4lthread.h"
|
||||
#include "v4lgui.h"
|
||||
#include "util/simpleserializer.h"
|
||||
|
||||
MESSAGE_CLASS_DEFINITION(V4LInput::MsgConfigureV4L, Message)
|
||||
MESSAGE_CLASS_DEFINITION(V4LInput::MsgReportV4L, Message)
|
||||
|
||||
V4LInput::Settings::Settings() :
|
||||
m_gain(0),
|
||||
m_decimation(0)
|
||||
{
|
||||
}
|
||||
|
||||
void V4LInput::Settings::resetToDefaults()
|
||||
{
|
||||
m_gain = 0;
|
||||
m_decimation = 0;
|
||||
}
|
||||
|
||||
QByteArray V4LInput::Settings::serialize() const
|
||||
{
|
||||
SimpleSerializer s(1);
|
||||
s.writeS32(1, m_gain);
|
||||
s.writeS32(2, m_decimation);
|
||||
return s.final();
|
||||
}
|
||||
|
||||
bool V4LInput::Settings::deserialize(const QByteArray& data)
|
||||
{
|
||||
SimpleDeserializer d(data);
|
||||
|
||||
if(!d.isValid()) {
|
||||
resetToDefaults();
|
||||
return false;
|
||||
}
|
||||
|
||||
if(d.getVersion() == 1) {
|
||||
d.readS32(1, &m_gain, 0);
|
||||
d.readS32(2, &m_decimation, 0);
|
||||
return true;
|
||||
} else {
|
||||
resetToDefaults();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
V4LInput::V4LInput(MessageQueue* msgQueueToGUI) :
|
||||
SampleSource(msgQueueToGUI),
|
||||
m_settings(),
|
||||
m_dev(NULL),
|
||||
m_V4LThread(NULL),
|
||||
m_deviceDescription()
|
||||
{
|
||||
}
|
||||
|
||||
V4LInput::~V4LInput()
|
||||
{
|
||||
stopInput();
|
||||
}
|
||||
|
||||
bool V4LInput::startInput(int device)
|
||||
{
|
||||
QMutexLocker mutexLocker(&m_mutex);
|
||||
|
||||
if(m_dev != NULL)
|
||||
stopInput();
|
||||
|
||||
char vendor[256];
|
||||
char product[256];
|
||||
char serial[256];
|
||||
int res;
|
||||
int numberOfGains;
|
||||
|
||||
if(!m_sampleFifo.setSize(524288)) {
|
||||
qCritical("Could not allocate SampleFifo");
|
||||
return false;
|
||||
}
|
||||
|
||||
if((res = rtlsdr_open(&m_dev, device)) < 0) {
|
||||
qCritical("could not open RTLSDR #%d: %s", device, strerror(errno));
|
||||
return false;
|
||||
}
|
||||
|
||||
vendor[0] = '\0';
|
||||
product[0] = '\0';
|
||||
serial[0] = '\0';
|
||||
if((res = rtlsdr_get_usb_strings(m_dev, vendor, product, serial)) < 0) {
|
||||
qCritical("error accessing USB device");
|
||||
goto failed;
|
||||
}
|
||||
qWarning("RTLSDRInput open: %s %s, SN: %s", vendor, product, serial);
|
||||
m_deviceDescription = QString("%1 (SN %2)").arg(product).arg(serial);
|
||||
|
||||
if((res = rtlsdr_set_sample_rate(m_dev, 1536000)) < 0) {
|
||||
qCritical("could not set sample rate: %s", strerror(errno));
|
||||
goto failed;
|
||||
}
|
||||
|
||||
if((res = rtlsdr_set_tuner_gain_mode(m_dev, 1)) < 0) {
|
||||
qCritical("error setting tuner gain mode");
|
||||
goto failed;
|
||||
}
|
||||
if((res = rtlsdr_set_agc_mode(m_dev, 0)) < 0) {
|
||||
qCritical("error setting agc mode");
|
||||
goto failed;
|
||||
}
|
||||
|
||||
numberOfGains = rtlsdr_get_tuner_gains(m_dev, NULL);
|
||||
if(numberOfGains < 0) {
|
||||
qCritical("error getting number of gain values supported");
|
||||
goto failed;
|
||||
}
|
||||
m_gains.resize(numberOfGains);
|
||||
if(rtlsdr_get_tuner_gains(m_dev, &m_gains[0]) < 0) {
|
||||
qCritical("error getting gain values");
|
||||
goto failed;
|
||||
}
|
||||
if((res = rtlsdr_reset_buffer(m_dev)) < 0) {
|
||||
qCritical("could not reset USB EP buffers: %s", strerror(errno));
|
||||
goto failed;
|
||||
}
|
||||
|
||||
if((m_V4LThread = new V4LThread(m_dev, &m_sampleFifo)) == NULL) {
|
||||
qFatal("out of memory");
|
||||
goto failed;
|
||||
}
|
||||
m_V4LThread->startWork();
|
||||
|
||||
mutexLocker.unlock();
|
||||
applySettings(m_generalSettings, m_settings, true);
|
||||
|
||||
qDebug("RTLSDRInput: start");
|
||||
MsgReportV4L::create(m_gains)->submit(m_guiMessageQueue);
|
||||
|
||||
return true;
|
||||
|
||||
failed:
|
||||
stopInput();
|
||||
return false;
|
||||
}
|
||||
|
||||
void V4LInput::stopInput()
|
||||
{
|
||||
QMutexLocker mutexLocker(&m_mutex);
|
||||
|
||||
if(m_V4LThread != NULL) {
|
||||
m_V4LThread->stopWork();
|
||||
delete m_V4LThread;
|
||||
m_V4LThread = NULL;
|
||||
}
|
||||
if(m_dev != NULL) {
|
||||
rtlsdr_close(m_dev);
|
||||
m_dev = NULL;
|
||||
}
|
||||
m_deviceDescription.clear();
|
||||
}
|
||||
|
||||
const QString& V4LInput::getDeviceDescription() const
|
||||
{
|
||||
return m_deviceDescription;
|
||||
}
|
||||
|
||||
int V4LInput::getSampleRate() const
|
||||
{
|
||||
return 96000 * (1 << m_settings.m_decimation);
|
||||
}
|
||||
|
||||
quint64 V4LInput::getCenterFrequency() const
|
||||
{
|
||||
return m_generalSettings.m_centerFrequency;
|
||||
}
|
||||
|
||||
bool V4LInput::handleMessage(Message* message)
|
||||
{
|
||||
if(MsgConfigureV4L::match(message)) {
|
||||
MsgConfigureV4L* conf = (MsgConfigureV4L*)message;
|
||||
if(!applySettings(conf->getGeneralSettings(), conf->getSettings(), false))
|
||||
qDebug("V4L config error");
|
||||
message->completed();
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
bool V4LInput::applySettings(const GeneralSettings& generalSettings, const Settings& settings, bool force)
|
||||
{
|
||||
QMutexLocker mutexLocker(&m_mutex);
|
||||
|
||||
if((m_generalSettings.m_centerFrequency != generalSettings.m_centerFrequency) || force) {
|
||||
m_generalSettings.m_centerFrequency = generalSettings.m_centerFrequency;
|
||||
if(m_dev != NULL) {
|
||||
if(rtlsdr_set_center_freq(m_dev, m_generalSettings.m_centerFrequency
|
||||
+ 384000) != 0)
|
||||
qDebug("osmosdr_set_center_freq(%lld) failed", m_generalSettings.m_centerFrequency);
|
||||
}
|
||||
}
|
||||
if((m_settings.m_gain != settings.m_gain) || force) {
|
||||
m_settings.m_gain = settings.m_gain;
|
||||
if(m_dev != NULL) {
|
||||
if(rtlsdr_set_tuner_gain(m_dev, m_settings.m_gain) != 0)
|
||||
qDebug("rtlsdr_set_tuner_gain() failed");
|
||||
}
|
||||
}
|
||||
if((m_settings.m_decimation != settings.m_decimation) || force) {
|
||||
m_settings.m_decimation = settings.m_decimation;
|
||||
if(m_dev != NULL)
|
||||
m_V4LThread->setDecimation(m_settings.m_decimation);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
|
@ -0,0 +1,105 @@
|
|||
///////////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
||||
// written by Christian Daniel //
|
||||
// //
|
||||
// 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_V4LINPUT_H
|
||||
#define INCLUDE_V4LINPUT_H
|
||||
|
||||
#include "dsp/samplesource/samplesource.h"
|
||||
#include <rtl-sdr.h>
|
||||
#include <QString>
|
||||
|
||||
class V4LThread;
|
||||
|
||||
class V4LInput : public SampleSource {
|
||||
public:
|
||||
struct Settings {
|
||||
qint32 m_gain;
|
||||
qint32 m_decimation;
|
||||
|
||||
Settings();
|
||||
void resetToDefaults();
|
||||
QByteArray serialize() const;
|
||||
bool deserialize(const QByteArray& data);
|
||||
};
|
||||
|
||||
class MsgConfigureV4L : public Message {
|
||||
MESSAGE_CLASS_DECLARATION
|
||||
|
||||
public:
|
||||
const GeneralSettings& getGeneralSettings() const { return m_generalSettings; }
|
||||
const Settings& getSettings() const { return m_settings; }
|
||||
|
||||
static MsgConfigureV4L* create(const GeneralSettings& generalSettings, const Settings& settings)
|
||||
{
|
||||
return new MsgConfigureV4L(generalSettings, settings);
|
||||
}
|
||||
|
||||
private:
|
||||
GeneralSettings m_generalSettings;
|
||||
Settings m_settings;
|
||||
|
||||
MsgConfigureV4L(const GeneralSettings& generalSettings, const Settings& settings) :
|
||||
Message(),
|
||||
m_generalSettings(generalSettings),
|
||||
m_settings(settings)
|
||||
{ }
|
||||
};
|
||||
|
||||
class MsgReportV4L : public Message {
|
||||
MESSAGE_CLASS_DECLARATION
|
||||
|
||||
public:
|
||||
const std::vector<int>& getGains() const { return m_gains; }
|
||||
|
||||
static MsgReportV4L* create(const std::vector<int>& gains)
|
||||
{
|
||||
return new MsgReportV4L(gains);
|
||||
}
|
||||
|
||||
protected:
|
||||
std::vector<int> m_gains;
|
||||
|
||||
MsgReportV4L(const std::vector<int>& gains) :
|
||||
Message(),
|
||||
m_gains(gains)
|
||||
{ }
|
||||
};
|
||||
|
||||
V4LInput(MessageQueue* msgQueueToGUI);
|
||||
~V4LInput();
|
||||
|
||||
bool startInput(int device);
|
||||
void stopInput();
|
||||
|
||||
const QString& getDeviceDescription() const;
|
||||
int getSampleRate() const;
|
||||
quint64 getCenterFrequency() const;
|
||||
|
||||
bool handleMessage(Message* message);
|
||||
|
||||
private:
|
||||
QMutex m_mutex;
|
||||
Settings m_settings;
|
||||
rtlsdr_dev_t* m_dev;
|
||||
V4LThread* m_V4LThread;
|
||||
QString m_deviceDescription;
|
||||
std::vector<int> m_gains;
|
||||
|
||||
bool applySettings(const GeneralSettings& generalSettings, const Settings& settings, bool force);
|
||||
};
|
||||
|
||||
#endif // INCLUDE_V4L_H
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
#include <QtPlugin>
|
||||
#include <QAction>
|
||||
#include <rtl-sdr.h>
|
||||
#include "plugin/pluginapi.h"
|
||||
#include "util/simpleserializer.h"
|
||||
#include "v4lplugin.h"
|
||||
#include "v4lgui.h"
|
||||
|
||||
const PluginDescriptor V4LPlugin::m_pluginDescriptor = {
|
||||
QString("V4L Input"),
|
||||
QString("---"),
|
||||
QString("(c) librtlsdr authors"),
|
||||
QString("http://sdr.osmocom.org/trac/wiki/rtl-sdr"),
|
||||
true,
|
||||
QString("http://cgit.osmocom.org/cgit/rtl-sdr")
|
||||
};
|
||||
|
||||
V4LPlugin::V4LPlugin(QObject* parent) :
|
||||
QObject(parent)
|
||||
{
|
||||
}
|
||||
|
||||
const PluginDescriptor& V4LPlugin::getPluginDescriptor() const
|
||||
{
|
||||
return m_pluginDescriptor;
|
||||
}
|
||||
|
||||
void V4LPlugin::initPlugin(PluginAPI* pluginAPI)
|
||||
{
|
||||
m_pluginAPI = pluginAPI;
|
||||
|
||||
m_pluginAPI->registerSampleSource("org.osmocom.sdr.samplesource.v4l", this);
|
||||
}
|
||||
|
||||
PluginInterface::SampleSourceDevices V4LPlugin::enumSampleSources()
|
||||
{
|
||||
SampleSourceDevices result;
|
||||
int count = rtlsdr_get_device_count();
|
||||
char vendor[256];
|
||||
char product[256];
|
||||
char serial[256];
|
||||
|
||||
for(int i = 0; i < count; i++) {
|
||||
vendor[0] = '\0';
|
||||
product[0] = '\0';
|
||||
serial[0] = '\0';
|
||||
|
||||
if(rtlsdr_get_device_usb_strings((uint32_t)i, vendor, product, serial) != 0)
|
||||
continue;
|
||||
QString displayedName(QString("RTL-SDR #%1 (%2 #%3)").arg(i + 1).arg(product).arg(serial));
|
||||
SimpleSerializer s(1);
|
||||
s.writeS32(1, i);
|
||||
result.append(SampleSourceDevice(displayedName, "org.osmocom.sdr.samplesource.v4l", s.final()));
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
PluginGUI* V4LPlugin::createSampleSource(const QString& sourceName, const QByteArray& address)
|
||||
{
|
||||
if(sourceName == "org.osmocom.sdr.samplesource.v4l") {
|
||||
V4LGui* gui = new V4LGui(m_pluginAPI);
|
||||
m_pluginAPI->setInputGUI(gui);
|
||||
return gui;
|
||||
} else {
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
#ifndef INCLUDE_V4LPLUGIN_H
|
||||
#define INCLUDE_V4LPLUGIN_H
|
||||
|
||||
#include <QObject>
|
||||
#include "plugin/plugininterface.h"
|
||||
|
||||
class V4LPlugin : public QObject, PluginInterface {
|
||||
Q_OBJECT
|
||||
Q_INTERFACES(PluginInterface)
|
||||
Q_PLUGIN_METADATA(IID "org.osmocom.sdr.samplesource.v4l")
|
||||
|
||||
public:
|
||||
explicit V4LPlugin(QObject* parent = NULL);
|
||||
|
||||
const PluginDescriptor& getPluginDescriptor() const;
|
||||
void initPlugin(PluginAPI* pluginAPI);
|
||||
|
||||
SampleSourceDevices enumSampleSources();
|
||||
PluginGUI* createSampleSource(const QString& sourceName, const QByteArray& address);
|
||||
|
||||
private:
|
||||
static const PluginDescriptor m_pluginDescriptor;
|
||||
|
||||
PluginAPI* m_pluginAPI;
|
||||
};
|
||||
|
||||
#endif // INCLUDE_V4LPLUGIN_H
|
||||
|
|
@ -0,0 +1,190 @@
|
|||
///////////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
||||
// written by Christian Daniel //
|
||||
// //
|
||||
// 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 <stdio.h>
|
||||
#include <errno.h>
|
||||
#include "v4lthread.h"
|
||||
#include "dsp/samplefifo.h"
|
||||
|
||||
#define BLOCKSIZE 16384
|
||||
|
||||
V4LThread::V4LThread(rtlsdr_dev_t* dev, SampleFifo* sampleFifo, QObject* parent) :
|
||||
QThread(parent),
|
||||
m_running(false),
|
||||
m_dev(dev),
|
||||
m_convertBuffer(BLOCKSIZE),
|
||||
m_sampleFifo(sampleFifo),
|
||||
m_decimation(2)
|
||||
{
|
||||
m_localdecimation = 0;
|
||||
}
|
||||
|
||||
V4LThread::~V4LThread()
|
||||
{
|
||||
stopWork();
|
||||
}
|
||||
|
||||
void V4LThread::startWork()
|
||||
{
|
||||
m_startWaitMutex.lock();
|
||||
start();
|
||||
while(!m_running)
|
||||
m_startWaiter.wait(&m_startWaitMutex, 100);
|
||||
m_startWaitMutex.unlock();
|
||||
}
|
||||
|
||||
void V4LThread::stopWork()
|
||||
{
|
||||
m_running = false;
|
||||
wait();
|
||||
}
|
||||
|
||||
void V4LThread::setDecimation(int decimation)
|
||||
{
|
||||
m_decimation = decimation;
|
||||
}
|
||||
|
||||
void V4LThread::run()
|
||||
{
|
||||
int res;
|
||||
|
||||
m_running = true;
|
||||
m_startWaiter.wakeAll();
|
||||
|
||||
while(m_running) {
|
||||
if((res = rtlsdr_read_async(m_dev, &V4LThread::callbackHelper, this, 32, BLOCKSIZE)) < 0) {
|
||||
qCritical("V4LThread: async error: %s", strerror(errno));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
m_running = false;
|
||||
}
|
||||
|
||||
void V4LThread::decimate2(SampleVector::iterator* it, const quint8* buf, qint32 len)
|
||||
{
|
||||
qint16 xreal, yimag;
|
||||
for (int pos = 0; pos < len + 7; pos += 8) {
|
||||
xreal = buf[pos+0] - buf[pos+3];
|
||||
yimag = buf[pos+1] + buf[pos+2] - 255;
|
||||
Sample s( xreal << 3, yimag << 3 );
|
||||
**it = s;
|
||||
(*it)++;
|
||||
xreal = buf[pos+7] - buf[pos+4];
|
||||
yimag = 255 - buf[pos+5] - buf[pos+6];
|
||||
Sample t( xreal << 3, yimag << 3 );
|
||||
**it = t;
|
||||
(*it)++;
|
||||
}
|
||||
}
|
||||
void V4LThread::decimate4(SampleVector::iterator* it, const quint8* buf, qint32 len)
|
||||
{
|
||||
qint16 xreal, yimag;
|
||||
for (int pos = 0; pos < len + 7; pos += 8) {
|
||||
xreal = buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4];
|
||||
yimag = buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6];
|
||||
Sample s( xreal << 3, yimag << 3 );
|
||||
**it = s;
|
||||
(*it)++;
|
||||
}
|
||||
}
|
||||
|
||||
void V4LThread::decimate8(SampleVector::iterator* it, const quint8* buf, qint32 len)
|
||||
{
|
||||
qint16 xreal, yimag;
|
||||
for (int pos = 0; pos < len + 15; pos += 8) {
|
||||
xreal = buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4];
|
||||
yimag = buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6];
|
||||
pos += 8;
|
||||
xreal += buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4];
|
||||
yimag += buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6];
|
||||
|
||||
Sample s( xreal << 3, yimag << 3 );
|
||||
**it = s;
|
||||
(*it)++;
|
||||
}
|
||||
}
|
||||
|
||||
void V4LThread::decimate16(SampleVector::iterator* it, const quint8* buf, qint32 len)
|
||||
{
|
||||
// Offset tuning: 4x downsample and rotate, then
|
||||
// downsample 4x more. [ rotate: 0, 1, -3, 2, -4, -5, 7, -6]
|
||||
qint16 xreal, yimag;
|
||||
for (int step = 0; step < len - 31; step +=32) {
|
||||
xreal = yimag = 0;
|
||||
for (int pos = step; pos < step + 32; pos += 8) {
|
||||
xreal += buf[pos+0] - buf[pos+3] + buf[pos+7] - buf[pos+4];
|
||||
yimag += buf[pos+1] - buf[pos+5] + buf[pos+2] - buf[pos+6];
|
||||
}
|
||||
Sample s( xreal << 3, yimag << 3 );
|
||||
**it = s;
|
||||
(*it)++;
|
||||
}
|
||||
}
|
||||
|
||||
void V4LThread::callback(const quint8* buf, qint32 len)
|
||||
{
|
||||
qint16 xreal, yimag, phase;
|
||||
SampleVector::iterator it = m_convertBuffer.begin();
|
||||
int decimationFactor[] = {1, 1, 1, 2, 4, 0};
|
||||
|
||||
if (++m_localdecimation < decimationFactor[m_decimation]) return;
|
||||
m_localdecimation = 0;
|
||||
|
||||
switch(4 - m_decimation) {
|
||||
case 0: // 1:1 = no decimation
|
||||
// just rotation
|
||||
phase = -(1<<2);
|
||||
for (int pos = 0; pos < len + 3; pos += 4) {
|
||||
phase *= -1;
|
||||
xreal = phase * (2 * buf[pos+0] - 255);
|
||||
yimag = phase * (2 * buf[pos+1] - 255);
|
||||
*it++ = Sample(xreal, yimag);
|
||||
xreal = phase * (255 - 2 * buf[pos+3]);
|
||||
yimag = phase * (2 * buf[pos+2] - 255);
|
||||
*it++ = Sample(xreal, yimag);
|
||||
}
|
||||
break;
|
||||
case 1: // 1:2
|
||||
decimate2(&it, buf, len);
|
||||
break;
|
||||
|
||||
case 2: // 1:4
|
||||
decimate4(&it, buf, len);
|
||||
break;
|
||||
|
||||
case 3: // 1:8
|
||||
decimate8(&it, buf, len);
|
||||
break;
|
||||
|
||||
default:
|
||||
case 4: // 1:16
|
||||
decimate16(&it, buf, len);
|
||||
break;
|
||||
}
|
||||
|
||||
m_sampleFifo->write(m_convertBuffer.begin(), it);
|
||||
|
||||
if(!m_running)
|
||||
rtlsdr_cancel_async(m_dev);
|
||||
}
|
||||
|
||||
void V4LThread::callbackHelper(unsigned char* buf, uint32_t len, void* ctx)
|
||||
{
|
||||
V4LThread* thread = (V4LThread*)ctx;
|
||||
thread->callback(buf, len);
|
||||
}
|
||||
|
|
@ -0,0 +1,63 @@
|
|||
///////////////////////////////////////////////////////////////////////////////////
|
||||
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
||||
// written by Christian Daniel //
|
||||
// //
|
||||
// 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_V4LTHREAD_H
|
||||
#define INCLUDE_V4LTHREAD_H
|
||||
|
||||
#include <QThread>
|
||||
#include <QMutex>
|
||||
#include <QWaitCondition>
|
||||
#include <rtl-sdr.h>
|
||||
#include "dsp/samplefifo.h"
|
||||
#include "dsp/inthalfbandfilter.h"
|
||||
|
||||
class V4LThread : public QThread {
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
V4LThread(rtlsdr_dev_t* dev, SampleFifo* sampleFifo, QObject* parent = NULL);
|
||||
~V4LThread();
|
||||
|
||||
void startWork();
|
||||
void stopWork();
|
||||
|
||||
void setDecimation(int decimation);
|
||||
|
||||
private:
|
||||
QMutex m_startWaitMutex;
|
||||
QWaitCondition m_startWaiter;
|
||||
bool m_running;
|
||||
|
||||
rtlsdr_dev_t* m_dev;
|
||||
SampleVector m_convertBuffer;
|
||||
SampleFifo* m_sampleFifo;
|
||||
|
||||
int m_decimation;
|
||||
int m_localdecimation;
|
||||
|
||||
void run();
|
||||
|
||||
void decimate2(SampleVector::iterator* it, const quint8* buf, qint32 len);
|
||||
void decimate4(SampleVector::iterator* it, const quint8* buf, qint32 len);
|
||||
void decimate8(SampleVector::iterator* it, const quint8* buf, qint32 len);
|
||||
void decimate16(SampleVector::iterator* it, const quint8* buf, qint32 len);
|
||||
void callback(const quint8* buf, qint32 len);
|
||||
|
||||
static void callbackHelper(unsigned char* buf, uint32_t len, void* ctx);
|
||||
};
|
||||
|
||||
#endif // INCLUDE_V4LTHREAD_H
|
||||
Loading…
Reference in New Issue