public unsafe void Start()
{
if (_isStreaming)
{
throw new ApplicationException("Start() Already running");
}
PlutoSDRControllerDialog gui = _plutoSDRIO.GUI;
_gui.samplerateComboBox.Enabled = false;
if (_dev == null)
{
createContext();
}
configureReceiver();
Device lpc = _ctx.get_device("cf-ad9361-lpc");
if (lpc == null)
{
throw new ApplicationException("Device cf-ad9361-lpc not found!");
}
_rx0_i = IIOHelper.FindChannel(lpc, "voltage0");
_rx0_q = IIOHelper.FindChannel(lpc, "voltage1");
_rx0_i.enable();
_rx0_q.enable();
if (_buf != null)
{
_buf.Dispose();
}
_buf = new IOBuffer(lpc, _readLength, false);
if (_buf == null)
{
throw new ApplicationException("Could not initialize I/Q sample buffer");
}
// new sync interface
_sampleThread = new Thread(ReceiveSamples_sync);
_sampleThread.Name = "PlutoSDR_samples_rx";
_sampleThread.Priority = ThreadPriority.Highest;
_isStreaming = true;
_sampleThread.Start();
bool ready = false;
while (!ready)
{
lock (syncLock)
{
ready = _RXConfigured;
}
}
}
public bool createContext()
{
_gui.deviceUriTextbox.Enabled = false;
_gui.connectButton.Enabled = false;
try
{
//MessageBox.Show(_gui.deviceUriTextbox.Text);
_ctx = new iio.Context(_gui.deviceUriTextbox.Text);
_gui.libiioVersionLabel.Text = _ctx.backend_version.git_tag;
_dev = _ctx.get_device("ad9361-phy");
if (_dev == null)
{
throw new ApplicationException("Cannot open device ad9361-phy");
}
// check if the frequency range was extended
try
{
// try to tune the LO to 100 MHz (outside of the AD9363 tuning range)
IIOHelper.SetAttribute(_dev, "altvoltage0", "frequency", "100000000", false);
IIOHelper.SetAttribute(_dev, "altvoltage0", "frequency", _centerFrequency.ToString(), false);
}
catch (Exception ex)
{
MinFrequency = 325000000L;
MaxFrequency = 3800000000L;
_centerFrequency = MinFrequency;
}
Utils.SaveSetting("PlutoSDRURI", _gui.deviceUriTextbox.Text);
_gui.receiverPanel.Enabled = true;
_gui.contextDetailsLabel.Text = _ctx.description;
return(true);
}
catch (Exception ex)
{
_gui.deviceUriTextbox.Enabled = true;
_gui.connectButton.Enabled = true;
throw ex;
}
}