示例#1
0
MainWindow::MainWindow(const QString cfgfile, QWidget *parent) :
    QMainWindow(parent),
    configOk(true),
    ui(new Ui::MainWindow),
    d_lnb_lo(0),
    d_fftAvg(0.5),
    d_have_audio(true),
    dec_afsk1200(0)
{
    ui->setupUi(this);

    /* Initialise default configuration directory */
    QByteArray xdg_dir = qgetenv("XDG_CONFIG_HOME");
    if (xdg_dir.isEmpty())
        m_cfg_dir = QString("%1/.config/gqrx").arg(QDir::homePath()); // Qt takes care of conversion to native separators
    else
        m_cfg_dir = QString("%1/gqrx").arg(xdg_dir.data());

    setWindowTitle(QString("Gqrx %1").arg(VERSION));

    /* frequency control widget */
    ui->freqCtrl->setup(10, (quint64) 0, (quint64) 9999e6, 1, UNITS_MHZ);
    ui->freqCtrl->setFrequency(144500000);

    d_filter_shape = receiver::FILTER_SHAPE_NORMAL;

    /* create receiver object */
    rx = new receiver("", "");
    rx->set_rf_freq(144500000.0f);

    /* meter timer */
    meter_timer = new QTimer(this);
    connect(meter_timer, SIGNAL(timeout()), this, SLOT(meterTimeout()));

    /* FFT timer & data */
    iq_fft_timer = new QTimer(this);
    connect(iq_fft_timer, SIGNAL(timeout()), this, SLOT(iqFftTimeout()));

    audio_fft_timer = new QTimer(this);
    connect(audio_fft_timer, SIGNAL(timeout()), this, SLOT(audioFftTimeout()));

    d_fftData = new std::complex<float>[MAX_FFT_SIZE];
    d_realFftData = new double[MAX_FFT_SIZE];
    d_pwrFftData = new double[MAX_FFT_SIZE]();
    d_iirFftData = new double[MAX_FFT_SIZE];
    for (int i = 0; i < MAX_FFT_SIZE; i++)
        d_iirFftData[i] = -120.0;  // dBFS

    /* timer for data decoders */
    dec_timer = new QTimer(this);
    connect(dec_timer, SIGNAL(timeout()), this, SLOT(decoderTimeout()));

    /* create dock widgets */
    uiDockRxOpt = new DockRxOpt();
    uiDockAudio = new DockAudio();
    uiDockInputCtl = new DockInputCtl();
    //uiDockIqPlay = new DockIqPlayer();
    uiDockFft = new DockFft();

    /* Add dock widgets to main window. This should be done even for
       dock widgets that are going to be hidden, otherwise they will
       end up floating in their own top-level window and can not be
       docked to the mainwindow.
    */
    addDockWidget(Qt::RightDockWidgetArea, uiDockInputCtl);
    addDockWidget(Qt::RightDockWidgetArea, uiDockRxOpt);
    tabifyDockWidget(uiDockInputCtl, uiDockRxOpt);

    addDockWidget(Qt::RightDockWidgetArea, uiDockAudio);
    addDockWidget(Qt::RightDockWidgetArea, uiDockFft);
    tabifyDockWidget(uiDockFft, uiDockAudio);

    //addDockWidget(Qt::BottomDockWidgetArea, uiDockIqPlay);

    /* hide docks that we don't want to show initially */
    /** FIXME: Hide them initially but store layout in config **/
    //    uiDockInputCtl->hide();
    //    uiDockFft->hide();
    //uiDockIqPlay->hide();

    /* misc configurations */
    //uiDockAudio->setFftRange(0, 8000); // FM

    /* Add dock widget actions to View menu. By doing it this way all signal/slot
       connections will be established automagially.
    */
    ui->menu_View->addAction(uiDockInputCtl->toggleViewAction());
    ui->menu_View->addAction(uiDockRxOpt->toggleViewAction());
    ui->menu_View->addAction(uiDockAudio->toggleViewAction());
    ui->menu_View->addAction(uiDockFft->toggleViewAction());
    //ui->menu_View->addAction(uiDockIqPlay->toggleViewAction());
    ui->menu_View->addSeparator();
    ui->menu_View->addAction(ui->mainToolBar->toggleViewAction());
    ui->menu_View->addSeparator();
    ui->menu_View->addAction(ui->actionFullScreen);

    /* connect signals and slots */
    connect(ui->freqCtrl, SIGNAL(newFrequency(qint64)), this, SLOT(setNewFrequency(qint64)));
    connect(uiDockInputCtl, SIGNAL(lnbLoChanged(double)), this, SLOT(setLnbLo(double)));
    connect(uiDockInputCtl, SIGNAL(gainChanged(double)), SLOT(setRfGain(double)));
    connect(uiDockInputCtl, SIGNAL(freqCorrChanged(int)), this, SLOT(setFreqCorr(int)));
    connect(uiDockInputCtl, SIGNAL(iqSwapChanged(bool)), this, SLOT(setIqSwap(bool)));
    connect(uiDockInputCtl, SIGNAL(dcCancelChanged(bool)), this, SLOT(setDcCancel(bool)));
    connect(uiDockInputCtl, SIGNAL(iqBalanceChanged(bool)), this, SLOT(setIqBalance(bool)));
    connect(uiDockInputCtl, SIGNAL(ignoreLimitsChanged(bool)), this, SLOT(setIgnoreLimits(bool)));
    connect(uiDockRxOpt, SIGNAL(filterOffsetChanged(qint64)), this, SLOT(setFilterOffset(qint64)));
    connect(uiDockRxOpt, SIGNAL(demodSelected(int)), this, SLOT(selectDemod(int)));
    connect(uiDockRxOpt, SIGNAL(fmMaxdevSelected(float)), this, SLOT(setFmMaxdev(float)));
    connect(uiDockRxOpt, SIGNAL(fmEmphSelected(double)), this, SLOT(setFmEmph(double)));
    connect(uiDockRxOpt, SIGNAL(amDcrToggled(bool)), this, SLOT(setAmDcr(bool)));
    connect(uiDockRxOpt, SIGNAL(agcToggled(bool)), this, SLOT(setAgcOn(bool)));
    connect(uiDockRxOpt, SIGNAL(agcHangToggled(bool)), this, SLOT(setAgcHang(bool)));
    connect(uiDockRxOpt, SIGNAL(agcThresholdChanged(int)), this, SLOT(setAgcThreshold(int)));
    connect(uiDockRxOpt, SIGNAL(agcSlopeChanged(int)), this, SLOT(setAgcSlope(int)));
    connect(uiDockRxOpt, SIGNAL(agcGainChanged(int)), this, SLOT(setAgcGain(int)));
    connect(uiDockRxOpt, SIGNAL(agcDecayChanged(int)), this, SLOT(setAgcDecay(int)));
    connect(uiDockRxOpt, SIGNAL(noiseBlankerChanged(int,bool,float)), this, SLOT(setNoiseBlanker(int,bool,float)));
    connect(uiDockRxOpt, SIGNAL(sqlLevelChanged(double)), this, SLOT(setSqlLevel(double)));
    connect(uiDockAudio, SIGNAL(audioGainChanged(float)), this, SLOT(setAudioGain(float)));
    connect(uiDockAudio, SIGNAL(audioRecStarted(QString)), this, SLOT(startAudioRec(QString)));
    connect(uiDockAudio, SIGNAL(audioRecStopped()), this, SLOT(stopAudioRec()));
    connect(uiDockAudio, SIGNAL(audioPlayStarted(QString)), this, SLOT(startAudioPlayback(QString)));
    connect(uiDockAudio, SIGNAL(audioPlayStopped()), this, SLOT(stopAudioPlayback()));
    connect(uiDockAudio, SIGNAL(fftRateChanged(int)), this, SLOT(setAudioFftRate(int)));
    connect(uiDockFft, SIGNAL(fftSizeChanged(int)), this, SLOT(setIqFftSize(int)));
    connect(uiDockFft, SIGNAL(fftRateChanged(int)), this, SLOT(setIqFftRate(int)));
    connect(uiDockFft, SIGNAL(fftSplitChanged(int)), this, SLOT(setIqFftSplit(int)));
    connect(uiDockFft, SIGNAL(fftAvgChanged(double)), this, SLOT(setIqFftAvg(double)));
    connect(uiDockFft, SIGNAL(resetFftZoom()), ui->plotter, SLOT(resetHorizontalZoom()));
    connect(uiDockFft, SIGNAL(gotoFftCenter()), ui->plotter, SLOT(moveToCenterFreq()));
    connect(uiDockFft, SIGNAL(gotoDemodFreq()), ui->plotter, SLOT(moveToDemodFreq()));


    // restore last session
    if (!loadConfig(cfgfile, true))
    {
        qDebug() << "No input device found";
        if (on_actionIoConfig_triggered() != QDialog::Accepted)
        {
            qDebug() << "I/O device configuration cancelled.";
            configOk = false;
        }
    }

}
示例#2
0
void DockFft::on_demodButton_clicked(void)
{
    emit gotoDemodFreq();
}