/// <summary>
/// Connects to a Unicorn.
/// </summary>
/// <param name="serial">The serial of the device to connect.</param>
private void ConnectionThread_DoWork(string serial, string streamName)
{
try
{
UpdateUIElements(DeviceStates.Connecting);
//Open device
_device = new Unicorn(serial);
//Initialize lsl
_lslInfo = new liblsl.StreamInfo(streamName, "Data", (int)_device.GetNumberOfAcquiredChannels(), Unicorn.SamplingRate, liblsl.channel_format_t.cf_float32, serial);
_lslOutlet = new liblsl.StreamOutlet(_lslInfo);
UpdateUIElements(DeviceStates.Connected);
}
catch (DeviceException ex)
{
_device = null;
UpdateUIElements(DeviceStates.NotConnected);
ShowErrorBox(ex.Message);
}
catch (Exception ex)
{
_device = null;
UpdateUIElements(DeviceStates.NotConnected);
ShowErrorBox(String.Format("Could not open device. {0}", ex.Message));
}
}
void Start()
{
if (useRecordedFile)
{
csvP = new TestCSVParser("Assets/TestFiles/" + testFileName);
}
else
{
unicornDevice = new Unicorn("UN-2019.02.86");
print(unicornDevice.GetDeviceInformation().DeviceVersion);
FrameLength = 1;
uint numberOfAcquiredChannels = unicornDevice.GetNumberOfAcquiredChannels();
print(numberOfAcquiredChannels);
receiveBuffer = new byte[FrameLength * sizeof(float) * numberOfAcquiredChannels];
receiveBufferHandle = GCHandle.Alloc(receiveBuffer, GCHandleType.Pinned);
unicornDevice.StartAcquisition(false);
}
ps = GetComponent <ParticleSystem>();
for (int i = 0; i < 8; i++)
{
arrays.Add(new float[60]);
}
}
private void initUnicorn()
{
count = 0;
startAvg = 0;
unicornDevice = new Unicorn("UN-2019.02.86");
print(unicornDevice.GetDeviceInformation().DeviceVersion);
FrameLength = 1;
uint numberOfAcquiredChannels = unicornDevice.GetNumberOfAcquiredChannels();
print(numberOfAcquiredChannels);
receiveBuffer = new byte[FrameLength * sizeof(float) * numberOfAcquiredChannels];
receiveBufferHandle = GCHandle.Alloc(receiveBuffer, GCHandleType.Pinned);
unicornDevice.StartAcquisition(false);
acquisitionRunning = true;
}
/// <summary>
/// The acquisition thread.
/// Acquires data from the Unicorn and sends it to LSL.
/// </summary>
private void AcquisitionThread_DoWork()
{
try
{
//Initialize Unicorn acquisition members
uint numberOfAcquiredChannels = _device.GetNumberOfAcquiredChannels();
byte[] receiveBuffer = new byte[FrameLength * sizeof(float) * numberOfAcquiredChannels];
GCHandle receiveBufferHandle = GCHandle.Alloc(receiveBuffer, GCHandleType.Pinned);
float[] receiveBufferFloat = new float[receiveBuffer.Length / sizeof(float)];
//Start acquisition
_device.StartAcquisition(false);
_acquisitionRunning = true;
UpdateUIElements(DeviceStates.Acquiring);
//acquisition loop
while (_acquisitionRunning)
{
//get data
_device.GetData(FrameLength, receiveBufferHandle.AddrOfPinnedObject(), (uint)(receiveBuffer.Length / sizeof(float)));
//convert byte array to float array for LSL
for (int j = 0; j < receiveBuffer.Length / sizeof(float); j++)
{
receiveBufferFloat[j] = BitConverter.ToSingle(receiveBuffer, j * sizeof(float));
}
// send sample via LSL
_lslOutlet.push_sample(receiveBufferFloat);
}
}
finally
{
try
{
_device.StopAcquisition();
}
catch
{
_device.Dispose();
_device = null;
UpdateUIElements(DeviceStates.NotConnected);
}
}
}
/// <summary>
/// The acquisition thread.
/// Acquires data from the Unicorn and sends it to LSL.
/// </summary>
private void AcquisitionThread_DoWork()
{
try
{
//Initialize Unicorn acquisition members
uint numberOfAcquiredChannels = _device.GetNumberOfAcquiredChannels();
byte[] receiveBuffer = new byte[FrameLength * sizeof(float) * numberOfAcquiredChannels];
GCHandle receiveBufferHandle = GCHandle.Alloc(receiveBuffer, GCHandleType.Pinned);
//Start acquisition
_device.StartAcquisition(false);
_acquisitionRunning = true;
UpdateUIElements(DeviceStates.Acquiring);
//acquisition loop
while (_acquisitionRunning)
{
//get data
_device.GetData(FrameLength, receiveBufferHandle.AddrOfPinnedObject(), (uint)(receiveBuffer.Length / sizeof(float)));
// send sample via UDP
_socket.SendTo(receiveBuffer, _endPoint);
}
}
finally
{
try
{
_device.StopAcquisition();
}
catch
{
_device.Dispose();
_device = null;
UpdateUIElements(DeviceStates.NotConnected);
}
}
}
static void Main(string[] args)
{
Console.WriteLine("API Version: " + Unicorn.GetApiVersion());
Unicorn _device = new Unicorn("UN-2019.02.86");
uint FrameLength = 1;
uint numberOfAcquiredChannels = _device.GetNumberOfAcquiredChannels();
byte[] receiveBuffer = new byte[FrameLength * sizeof(float) * numberOfAcquiredChannels];
GCHandle receiveBufferHandle = GCHandle.Alloc(receiveBuffer, GCHandleType.Pinned);
_device.StartAcquisition(false);
while (true)
//for (int i = 0; i < 100; i++)
{
_device.GetData(FrameLength, receiveBufferHandle.AddrOfPinnedObject(), (uint)(receiveBuffer.Length / sizeof(float)));
for (int k = 0; k < 17; k++)
{
byte[] tmp = new byte[4];
for (int j = 4 * k + 0; j < 4 * k + 4; j++)
{
tmp[j % 4] = receiveBuffer[j];
}
float result = BitConverter.ToSingle(tmp, 0);
Console.Write(result + " ");
}
Console.WriteLine();
Console.WriteLine();
}
Console.WriteLine();
_device.StopAcquisition();
Console.ReadLine();
}
/// <summary>
/// The acquisition thread.
/// Acquires data from the Unicorn and sends it to LSL.
/// </summary>
private void AcquisitionThread_DoWork()
{
try
{
//Initialize Unicorn acquisition members
uint numberOfAcquiredChannels = _device.GetNumberOfAcquiredChannels();
byte[] receiveBuffer = new byte[FrameLength * sizeof(float) * numberOfAcquiredChannels];
GCHandle receiveBufferHandle = GCHandle.Alloc(receiveBuffer, GCHandleType.Pinned);
float[] receiveBufferFloat = new float[receiveBuffer.Length / sizeof(float)];
//Start acquisition
_device.StartAcquisition(false);
_acquisitionRunning = true;
UpdateUIElements(DeviceStates.Acquiring);
//acquisition loop
while (_acquisitionRunning)
{
//get data
_device.GetData(FrameLength, receiveBufferHandle.AddrOfPinnedObject(), (uint)(receiveBuffer.Length / sizeof(float)));
//convert byte array to float array for LSL
for (int j = 0; j < receiveBuffer.Length / sizeof(float); j++)
{
receiveBufferFloat[j] = BitConverter.ToSingle(receiveBuffer, j * sizeof(float));
}
// send sample via LSL
if (rbCombineSigbnals.Checked)
{
_lslOutlets[0].push_sample(receiveBufferFloat);
}
else
{
for (int i = 0; i < _lslOutlets.Count; i++)
{
if (i == 0)
{
float[] eeg = new float[Unicorn.EEGChannelsCount];
Array.Copy(receiveBufferFloat, 0, eeg, 0, Unicorn.EEGChannelsCount);
_lslOutlets[i].push_sample(eeg);
}
else if (i == 1)
{
float[] acc = new float[Unicorn.AccelerometerChannelsCount];
Array.Copy(receiveBufferFloat, Unicorn.EEGChannelsCount, acc, 0, Unicorn.AccelerometerChannelsCount);
_lslOutlets[i].push_sample(acc);
}
else if (i == 2)
{
float[] gyr = new float[Unicorn.GyroscopeChannelsCount];
Array.Copy(receiveBufferFloat, Unicorn.EEGChannelsCount + Unicorn.AccelerometerChannelsCount, gyr, 0, Unicorn.GyroscopeChannelsCount);
_lslOutlets[i].push_sample(gyr);
}
else if (i == 3)
{
float[] cnt = new float[1];
Array.Copy(receiveBufferFloat, Unicorn.EEGChannelsCount + Unicorn.AccelerometerChannelsCount + Unicorn.GyroscopeChannelsCount, cnt, 0, 1);
_lslOutlets[i].push_sample(cnt);
}
else if (i == 4)
{
float[] bat = new float[1];
Array.Copy(receiveBufferFloat, Unicorn.EEGChannelsCount + Unicorn.AccelerometerChannelsCount + Unicorn.GyroscopeChannelsCount + 1, bat, 0, 1);
_lslOutlets[i].push_sample(bat);
}
else if (i == 5)
{
float[] val = new float[1];
Array.Copy(receiveBufferFloat, Unicorn.EEGChannelsCount + Unicorn.AccelerometerChannelsCount + Unicorn.GyroscopeChannelsCount + 2, val, 0, 1);
_lslOutlets[i].push_sample(val);
}
}
}
}
}
finally
{
try
{
_device.StopAcquisition();
}
catch
{
_device.Dispose();
_device = null;
UpdateUIElements(DeviceStates.NotConnected);
}
}
}
/// <summary>
/// Connects to a Unicorn.
/// </summary>
/// <param name="serial">The serial of the device to connect.</param>
private void ConnectionThread_DoWork(string serial, string streamName)
{
try
{
UpdateUIElements(DeviceStates.Connecting);
//Open device
_device = new Unicorn(serial);
//Initialize lsl
if (_lslInfos == null)
{
_lslInfos = new List <liblsl.StreamInfo>();
}
if (_lslOutlets == null)
{
_lslOutlets = new List <liblsl.StreamOutlet>();
}
if (rbCombineSigbnals.Checked)
{
_lslInfos.Add(new liblsl.StreamInfo(streamName, "Data", (int)_device.GetNumberOfAcquiredChannels(), Unicorn.SamplingRate, liblsl.channel_format_t.cf_float32, serial));
_lslOutlets.Add(new liblsl.StreamOutlet(_lslInfos[0]));
}
else
{
int cnt = 0;
_lslInfos.Add(new liblsl.StreamInfo(streamName + "_EEG", "EEG", (int)Unicorn.EEGChannelsCount, Unicorn.SamplingRate, liblsl.channel_format_t.cf_float32, serial));
_lslOutlets.Add(new liblsl.StreamOutlet(_lslInfos[cnt]));
cnt++;
_lslInfos.Add(new liblsl.StreamInfo(streamName + "_ACC", "ACC", (int)Unicorn.AccelerometerChannelsCount, Unicorn.SamplingRate, liblsl.channel_format_t.cf_float32, serial));
_lslOutlets.Add(new liblsl.StreamOutlet(_lslInfos[cnt]));
cnt++;
_lslInfos.Add(new liblsl.StreamInfo(streamName + "_GYR", "GYR", (int)Unicorn.GyroscopeChannelsCount, Unicorn.SamplingRate, liblsl.channel_format_t.cf_float32, serial));
_lslOutlets.Add(new liblsl.StreamOutlet(_lslInfos[cnt]));
cnt++;
_lslInfos.Add(new liblsl.StreamInfo(streamName + "_CNT", "CNT", (int)1, Unicorn.SamplingRate, liblsl.channel_format_t.cf_float32, serial));
_lslOutlets.Add(new liblsl.StreamOutlet(_lslInfos[cnt]));
cnt++;
_lslInfos.Add(new liblsl.StreamInfo(streamName + "_BAT", "BAT", (int)1, Unicorn.SamplingRate, liblsl.channel_format_t.cf_float32, serial));
_lslOutlets.Add(new liblsl.StreamOutlet(_lslInfos[cnt]));
cnt++;
_lslInfos.Add(new liblsl.StreamInfo(streamName + "_VALID", "VALID", (int)1, Unicorn.SamplingRate, liblsl.channel_format_t.cf_float32, serial));
_lslOutlets.Add(new liblsl.StreamOutlet(_lslInfos[cnt]));
}
UpdateUIElements(DeviceStates.Connected);
}
catch (DeviceException ex)
{
_device = null;
UpdateUIElements(DeviceStates.NotConnected);
ShowErrorBox(ex.Message);
}
catch (Exception ex)
{
_device = null;
UpdateUIElements(DeviceStates.NotConnected);
ShowErrorBox(String.Format("Could not open device. {0}", ex.Message));
}
}
