public SharedMemDeviceControl(int srcChan)
{
InitializeComponent();
_SampleSource = new ShmemSampleSource("FFT Display", srcChan, 1, 0);
_SampleSource.InvertedSpectrum = false;
_SampleSource.SamplingRateChanged += new EventHandler(_SampleSource_SamplingRateChanged);
}
public void Start(ShmemSampleSource sampleSource)
{
SampleSource = sampleSource;// new ShmemSampleSource("RX-FFT Audio Decoder", sampleSource.ShmemChannel.SrcChan, 1, 0); ;
//SampleSource.InvertedSpectrum = sampleSource.InvertedSpectrum;
AudioThreadRun = true;
AudioThread = new Thread(AudioReadFunc);
AudioThread.Name = "Audio Decoder Thread";
AudioThread.Start();
StartSinks();
}
public NetworkDeviceControl()
{
InitializeComponent();
NetShmemSink = new SharedMem(-2, 0, "Network Output Node");
_SampleSource = new ShmemSampleSource("NetworkReader", NetShmemSink.DstChan, 1, 0);
_SampleSource.InvertedSpectrum = false;
_SampleSource.SamplingRateChanged += new EventHandler(_SampleSource_SamplingRateChanged);
_SampleSource.DataFormat = SampleFormat;
_SampleSource.SamplesPerBlock = 8192;
}
public HiQSDRDeviceControl()
{
InitializeComponent();
NetShmemSink = new SharedMem(-2, 0, "Network Output Node");
_SampleSource = new ShmemSampleSource("NetworkReader", NetShmemSink.DstChan, 1, 0);
_SampleSource.InvertedSpectrum = false;
_SampleSource.SamplingRateChanged += new EventHandler(_SampleSource_SamplingRateChanged);
_SampleSource.DataFormat = DataFormat;
_SampleSource.ForceInputRate(CurrentRate);
Endpoint = new IPEndPoint(IPAddress.Any, 0);
TransferThread = new Thread(TransferThreadMain);
TransferThread.Start();
radioAcqOff.Checked = true;
}
public void Stop()
{
if (AudioThread != null)
{
if (!AudioThread.Join(100))
{
AudioThread.Abort();
}
AudioThread = null;
}
StopSinks();
if (SampleSource != null)
{
SampleSource.Close();
SampleSource = null;
}
}
private void btnOpen_Click(object sender, EventArgs e)
{
if (USBRX == null)
{
USBRXDevice device = new USBRXDevice();
device.ShowConsole(false);
device.TunerCombination = USBRXDevice.eCombinationType.AR5000;
try
{
if (!device.Init())
{
ErrorMessage = "There was no USB-RX found on USB bus.";
return;
}
}
catch (BadImageFormatException ex)
{
ErrorMessage = "Unsupported architecture.";
return;
}
catch (Exception ex)
{
ErrorMessage = "Unhandled exception." + Environment.NewLine + e;
return;
}
USBRX = device;
FilterList.NCOFreq = USBRX.Atmel.TCXOFreq;
FilterList.UpdateFilters("Filter");
FilterList.AddFilters("..\\..\\..\\Filter");
FilterList.FilterSelected += new EventHandler(FilterList_FilterSelected);
frequencySelector1.UpperLimit = USBRX.Tuner.HighestFrequency;
frequencySelector1.LowerLimit = USBRX.Tuner.LowestFrequency;
/* bar update thread */
InSampleSource = new ShmemSampleSource("RX-Radio Reader", USBRX.ShmemChannel, 1, 0);
InSampleSource.DataFormat = ByteUtil.eSampleFormat.Direct16BitIQFixedPointLE;
PowerUpdateThread = new Thread(() =>
{
InSampleSource.SamplesPerBlock = 1024;
while (true)
{
InSampleSource.Flush();
InSampleSource.Read();
double maxValue = DBTools.MaximumDb(InSampleSource.SourceSamplesI, InSampleSource.SourceSamplesQ);
BeginInvoke(new Action(() =>
{
powerBar.Amplitude = (maxValue + 100) / 100;
powerBar.LinePosition = (maxValue + 100) / 100;
powerBar.Enabled = true;
powerBar.Invalidate();
}));
Thread.Sleep(250);
}
});
PowerUpdateThread.Start();
/* demodulator */
Demod = new AudioDemodulator();
Demod.AudioInSampleSource = new ShmemSampleSource("RX-FFT Audio Decoder", USBRX.ShmemChannel, 1, 0);
Demod.AudioInSampleSource.DataFormat = ByteUtil.eSampleFormat.Direct16BitIQFixedPointLE;
Demod.AudioOutShmem = new SharedMem(-2, 1, "RX-Radio Demodulated Audio");
lock (Demod.DemodOptions)
{
Demod.DemodOptions.SoundDevice = new DXSoundDevice(Handle);
}
Demod.Start();
/* demodulator dialog */
DemodDlg = new DemodulationDialog(Demod.DemodOptions);
DemodDlg.Show();
/* finished */
USBRX.CurrentMode = LibRXFFT.Libraries.eTransferMode.Stopped;
btnOpen.Text = "Close";
}
else
{
StopThreads();
btnOpen.Text = "Open";
}
}
