public WaterfallSpectrumWin()
{
InitializeComponent();
waterfallSpectrum = null;
ready = false;
timer = new Timer();
CanClose = false;
FormClosing += WaterfallSpectrumWin_FormClosing;
}
public void initWaterfallSpectrum(WaterfallSpectrum _waterfallSpectrum)
{
FIFOdepth = 32768;
input = new FIFO(FIFOdepth);
_blockSize = 4096;
_windowType = FFTProcessor.WindowType.Hann;
waterfallSpectrum = _waterfallSpectrum;
timer.Interval = 50; // ms
timer.Tick += Timer_Tick;
fftProcessor = new FFTProcessor(_blockSize, waterfallSpectrum.owner.sampleRate, _windowType);
fftBlockSizes = new List <int>();
for (int i = 2048; i <= 8192; i *= 2)
{
waterfallSpectrumBlockSize.Items.Add(String.Format("{0} --> {1:f1}ms",
i, 1000.0 * i / waterfallSpectrum.owner.sampleRate));
fftBlockSizes.Add(i);
}
waterfallSpectrumBlockSize.SelectedIndex = fftBlockSizes.IndexOf(_blockSize);
waterfallSpectrumBlockSize.SelectedIndexChanged += waterfallSpectrumBlockSize_SelectedIndexChanged;
string[] windows = Enum.GetNames(typeof(FFTProcessor.WindowType));
fftWindows = new List <FFTProcessor.WindowType>();
for (int i = 0; i < windows.Length; i++)
{
fftWindows.Add((FFTProcessor.WindowType)i);
waterfallSpectrumWindow.Items.Add(windows[i]);
}
waterfallSpectrumWindow.SelectedIndex = fftWindows.IndexOf(_windowType);
waterfallSpectrumWindow.SelectedIndexChanged += waterfallSpectrumWindow_SelectedIndexChanged;
waterfallSpectrumScreen.initWaterfallSpectrumScreen(this);
double bst = (double)_blockSize / waterfallSpectrum.owner.sampleRate;
waterfallSpectrumScreen.gridY.max = (waterfallSpectrumScreen.gridY.low - waterfallSpectrumScreen.gridY.high) * bst;
if (waterfallSpectrumScreen.gridF.logScale)
{
waterfallSpectrumFLog.Checked = true;
}
waterfallSpectrumFLog.Click += waterfallSpectrumFLog_Click;
waterfallSpectrumFMin.Value = Convert.ToDecimal(waterfallSpectrumScreen.gridF.min);
waterfallSpectrumFMax.Value = Convert.ToDecimal(waterfallSpectrumScreen.gridF.max);
waterfallSpectrumFMin.ValueChanged += WaterfallSpectrumFMin_ValueChanged;
waterfallSpectrumFMax.ValueChanged += WaterfallSpectrumFMax_ValueChanged;
waterfallSpectrumAutoScale.Click += WaterfallSpectrumAutoScale_Click;
waterfallSpectrumShowGrid.Checked = waterfallSpectrumScreen.drawGrid;
waterfallSpectrumShowGrid.Click += WaterfallSpectrumShowGrid_Click;
waterfallSpectrumRun.Click += WaterfallSpectrumRun_Click;
waterfallSpectrumColorScheme.Items.Add("KrYW");
waterfallSpectrumColorScheme.Items.Add("KbBW");
waterfallSpectrumColorScheme.Items.Add("KrgBW");
waterfallSpectrumColorScheme.Items.Add("KW");
waterfallSpectrumColorScheme.Items.Add("KmryGCBW");
waterfallSpectrumColorScheme.Text = waterfallSpectrumScreen.colorTable.scheme;
waterfallSpectrumColorScheme.TextChanged += WaterfallSpectrumColorScheme_TextChanged;
waterfallLines = new WaterfallLineFIFO(waterfallSpectrumScreen, 1024, _blockSize / 2, waterfallSpectrum.owner.sampleRate / 2,
waterfallSpectrumScreen.Width, waterfallSpectrumScreen.Height);
ready = true;
run = true;
timer.Enabled = true;
}
