private void ChannelsChangedRaise()
{
if (ChannelsChanged != null)
{
ChannelsChanged.Invoke();
}
}
/// <summary>
/// Waits for decoded frames, updates the <see cref="Channels"/> property and fires
/// the <see cref="ChannelsChanged"/> event on a separate thread.
/// </summary>
private void Receiver()
{
while (!_stop.IsCancellationRequested)
{
// Run until stopped...
// Wait for frame
if (!_frameBuffer.TryDequeue(out PpmFrame frame))
{
_frameTrigger.WaitOne(1000);
continue;
}
// Validate
var channelCount = frame.Channels.Length;
if (channelCount > _channels.Length)
{
// Too many channels
Debug.WriteLine(Resources.Strings.NavioRCInputDecoderChannelOverflow, channelCount, _channels.Length);
continue;
}
// Copy new channel data
Array.Copy(frame.Channels, _channels, channelCount);
// Fire event
ChannelsChanged?.Invoke(this, frame);
}
}
private void OnDeviceConnected()
{
var deviceChannels = _currentDevice.Channels
.Where(x => x.Type == ChannelType.Signal)
.ToDictionary(channelInfo => channelInfo.Name, channelInfo => new EegChannel(_currentDevice, channelInfo));
if (deviceChannels.ContainsKey("T3") && deviceChannels.ContainsKey("O1"))
{
T3O1SpectrumChannel = new SpectrumChannel(new BipolarDoubleChannel(deviceChannels["T3"], deviceChannels["O1"]));
if (deviceChannels.ContainsKey("T4") && deviceChannels.ContainsKey("O2"))
{
T4O2SpectrumChannel = new SpectrumChannel(new BipolarDoubleChannel(deviceChannels["T4"], deviceChannels["O2"]));
IndexChannel = new EegIndexChannel(deviceChannels["T3"], deviceChannels["T4"], deviceChannels["O1"],
deviceChannels["O2"]);
ChannelsChanged?.Invoke(this, null);
}
}
}
private void OnDeviceConnected()
{
BatteryChannel = new BatteryChannel(_currentDevice);
var deviceChannels = _currentDevice.Channels
.Where(x => x.Type == ChannelType.Signal)
.ToDictionary(channelInfo => channelInfo.Name, channelInfo => new EegChannel(_currentDevice, channelInfo));
if (deviceChannels.ContainsKey("T3") && deviceChannels.ContainsKey("O1"))
{
T3O1SignalChannel = new BipolarDoubleChannel(deviceChannels["T3"], deviceChannels["O1"]);
T3O1SpectrumChannel = new SpectrumChannel(T3O1SignalChannel);
if (deviceChannels.ContainsKey("T4") && deviceChannels.ContainsKey("O2"))
{
T4O21SignalChannel = new BipolarDoubleChannel(deviceChannels["T4"], deviceChannels["O2"]);
T4O2SpectrumChannel = new SpectrumChannel(T4O21SignalChannel);
IndexChannel = new EegIndexChannel(deviceChannels["T3"], deviceChannels["T4"], deviceChannels["O1"],
deviceChannels["O2"]);
IndexChannel.SetWeights(1.00, 1.00, 0.00, 0.00);
IndexChannel.Delay = 0.0;
IndexViewChannel = new EegIndexChannel(deviceChannels["T3"], deviceChannels["T4"], deviceChannels["O1"],
deviceChannels["O2"]);
IndexViewChannel.SetWeights(1.00, 1.00, 0.00, 1.00);
IndexViewChannel.Delay = 0.0;
AlphaLeftPowerChannel = new SpectrumPowerChannel(new List <SpectrumChannel> {
T3O1SpectrumChannel
}, 8, 14, "AlphaLeft");
BetaLeftPowerChannel = new SpectrumPowerChannel(new List <SpectrumChannel> {
T3O1SpectrumChannel
}, 14, 34, "BetaLeft");
AlphaRightPowerChannel = new SpectrumPowerChannel(new List <SpectrumChannel> {
T4O2SpectrumChannel
}, 8, 14, "AlphaRight");
BetaRightPowerChannel = new SpectrumPowerChannel(new List <SpectrumChannel> {
T4O2SpectrumChannel
}, 14, 34, "BetaRight");
ChannelsChanged?.Invoke(this, null);
}
}
}
public virtual void OnMouseMove(TDouble x01, TDouble y01, MouseButtons mouse, KeyModifiers mods)
{
// default logic: save coordinate value
int code = GetChannelCode(mouse, mods);
InputChannel[] cs;
if (_channels.TryGetValue(code, out cs))
{
var ids = new List <int>();
if (cs[0] != null)
{
cs[0].SetValue01(x01); ids.Add(cs[0].GetId());
}
if (cs[1] != null)
{
cs[1].SetValue01(y01); ids.Add(cs[1].GetId());
}
//!!! here might be started some recursive cascade of channel affecting
// our channels affected
ChannelsChanged?.Invoke(ids.ToArray());
}
}
public void SelectDevice(DeviceInfo deviceInfo)
{
_currentDevice?.Dispose();
ChannelsChanged?.Invoke(this, null);
_currentDevice = new DeviceEnumerator(DeviceType.Brainbit).CreateDevice(deviceInfo);
_currentDevice.Connect();
if (_currentDevice.ReadParam <DeviceState>(Parameter.State) != DeviceState.Connected)
{
_currentDevice.ParameterChanged += (sender, parameter) =>
{
if (parameter == Parameter.State)
{
if (_currentDevice.ReadParam <DeviceState>(Parameter.State) == DeviceState.Connected)
{
OnDeviceConnected();
}
}
};
}
else
{
OnDeviceConnected();
}
}