void Start()
{
var channelDefinitions = SetupChannels();
dataRate = LSLUtils.GetSamplingRateFor(sampling);
channelCount = channelDefinitions.Count;
// initialize the array once
currentSample = new float[channelCount];
streamInfo = new liblsl.StreamInfo(StreamName, StreamType, channelCount, dataRate, liblsl.channel_format_t.cf_float32, unique_source_id);
// it's not possible to create a XMLElement before and append it.
liblsl.XMLElement chns = streamInfo.desc().append_child("channels");
// so this workaround has been introduced.
foreach (var def in channelDefinitions)
{
chns.append_child("channel")
.append_child_value("label", def.label)
.append_child_value("unit", def.unit)
.append_child_value("type", def.type);
}
outlet = new liblsl.StreamOutlet(streamInfo);
}
static void Main(string[] args)
{
// Check for command line arguments
if (args.Length > 0)
{
hrDeviceName = args[0];
// To print the command line
// arguments using foreach loop
foreach (Object obj in args)
{
Console.WriteLine("Attempting to connect to " + obj);
}
}
// create LSL stream info and outlet
info = new liblsl.StreamInfo("Polar", "HRV", 2, 10);
// add descriptions of
liblsl.XMLElement chns = info.desc().append_child("channels");
chns.append_child("hr");
chns.append_child("rr");
//chns.append_child("channel")
// .append_child_value("label", "hr")
// .append_child_value("unit", "bpm")
// .append_child_value("type", "HR");
//chns.append_child("channel")
// .append_child_value("label", "rr")
// .append_child_value("unit", "ms")
// .append_child_value("type", "HR");
outlet = new liblsl.StreamOutlet(info);
// Run main loop
MainAsync(args).Wait();
Console.ReadLine();
// Return exit code to the shell
// For scripting/batch processing, it's an ERRORLEVEL cmd.exe shell variable
Environment.Exit(_exitCode);
}
// Start is called before the first frame update
void Start()
{
liblsl.StreamInfo streamInfo = new liblsl.StreamInfo(StreamName, StreamType, 7, 72, liblsl.channel_format_t.cf_float32);
liblsl.XMLElement chans = streamInfo.desc().append_child("channels");
chans.append_child("channel").append_child_value("label", "PosX");
chans.append_child("channel").append_child_value("label", "PosY");
chans.append_child("channel").append_child_value("label", "PosZ");
chans.append_child("channel").append_child_value("label", "RotW");
chans.append_child("channel").append_child_value("label", "RotX");
chans.append_child("channel").append_child_value("label", "RotY");
chans.append_child("channel").append_child_value("label", "RotZ");
outlet = new liblsl.StreamOutlet(streamInfo);
currentSample = new float[7];
}
/// <summary>
/// Setup LSL outlet for the board
/// </summary>
void SetupLslOutletForBoard()
{
var numChannels = BrainhatBoardShim.GetNumberOfExgChannels(BoardId);
var numAccelChannels = BrainhatBoardShim.GetNumberOfAccelChannels(BoardId);
var numOtherChannels = BrainhatBoardShim.GetNumberOfOtherChannels(BoardId);
var numAnalogChannels = BrainhatBoardShim.GetNumberOfAnalogChannels(BoardId);
SampleSize = 2 + numChannels + numAccelChannels + numOtherChannels + numAnalogChannels;
StreamInfo = new liblsl.StreamInfo(BoardId.GetSampleName(), "BFSample", SampleSize, SampleRate, liblsl.channel_format_t.cf_double64, BrainHatNetwork.NetworkUtilities.GetHostName());
StreamInfo.desc().append_child_value("manufacturer", "OpenBCI");
StreamInfo.desc().append_child_value("boardId", $"{BoardId}");
liblsl.XMLElement chns = StreamInfo.desc().append_child("channels");
chns.append_child("channel")
.append_child_value("label", "SampleIndex")
.append_child_value("unit", "0-255")
.append_child_value("type", "index");
for (int k = 0; k < numChannels; k++)
{
chns.append_child("channel")
.append_child_value("label", $"ExgCh{k}")
.append_child_value("unit", "uV")
.append_child_value("type", "EEG");
}
for (int k = 0; k < numAccelChannels; k++)
{
chns.append_child("channel")
.append_child_value("label", $"AcelCh{k}")
.append_child_value("unit", "1.0")
.append_child_value("type", "Accelerometer");
}
for (int k = 0; k < numOtherChannels; k++)
{
chns.append_child("channel")
.append_child_value("label", $"Other{k}");
}
for (int k = 0; k < numAnalogChannels; k++)
{
chns.append_child("channel")
.append_child_value("label", $"AngCh{k}");
}
chns.append_child("channel")
.append_child_value("label", "TimeStamp")
.append_child_value("unit", "s");
}
static void Main(string[] args)
{
// create a new StreamInfo and declare some meta-data (in accordance with XDF format)
liblsl.StreamInfo info = new liblsl.StreamInfo("MetaTester", "EEG", 8, 100, liblsl.channel_format_t.cf_float32, "myuid323457");
liblsl.XMLElement chns = info.desc().append_child("channels");
String[] labels = { "C3", "C4", "Cz", "FPz", "POz", "CPz", "O1", "O2" };
for (int k = 0; k < labels.Length; k++)
{
chns.append_child("channel")
.append_child_value("label", labels[k])
.append_child_value("unit", "microvolts")
.append_child_value("type", "EEG");
}
info.desc().append_child_value("manufacturer", "SCCN");
info.desc().append_child("cap")
.append_child_value("name", "EasyCap")
.append_child_value("size", "54")
.append_child_value("labelscheme", "10-20");
// create outlet for the stream
liblsl.StreamOutlet outlet = new liblsl.StreamOutlet(info);
// === the following could run on another computer ===
// resolve the stream and open an inlet
liblsl.StreamInfo[] results = liblsl.resolve_stream("name", "MetaTester");
liblsl.StreamInlet inlet = new liblsl.StreamInlet(results[0]);
// get the full stream info (including custom meta-data) and dissect it
liblsl.StreamInfo inf = inlet.info();
Console.WriteLine("The stream's XML meta-data is: ");
Console.WriteLine(inf.as_xml());
Console.WriteLine("The manufacturer is: " + inf.desc().child_value("manufacturer"));
Console.WriteLine("The cap circumference is: " + inf.desc().child("cap").child_value("size"));
Console.WriteLine("The channel labels are as follows:");
liblsl.XMLElement ch = inf.desc().child("channels").child("channel");
for (int k = 0; k < info.channel_count(); k++)
{
Console.WriteLine(" " + ch.child_value("label"));
ch = ch.next_sibling();
}
Console.ReadKey();
}
void Awake()
{
UnityEngine.Debug.Log("LSLMarkerStream");
sample = new double[lslChannelCount];
lslStreamInfo = new liblsl.StreamInfo(
lslStreamName,
lslStreamType,
lslChannelCount,
nominal_srate,
lslChannelFormat,
unique_source_id);
lslStreamInfo.desc().append_child_value("manufacturer", "UnityLSL");
liblsl.XMLElement chns = lslStreamInfo.desc().append_child("channels");
string[] channels = { "MarkerTime", "MarkerValue", "CurrentTime" };
foreach (string chanName in channels)
{
chns.append_child("channel").append_child_value("label", chanName).append_child_value("type", "Marker");
}
lslOutlet = new liblsl.StreamOutlet(lslStreamInfo);
}
// Use this for initialization
void Start()
{
head = GameObject.Find("Camera (eye)");
if (head != null)
{
// initialize the array once
currentSample = new float[ChannelCount];
//dataRate = LSLUtils.GetSamplingRateFor(sampling);
streamInfo = new liblsl.StreamInfo(StreamName, StreamType, ChannelCount, dataRate, liblsl.channel_format_t.cf_float32, uid);
//setup LSL stream metadata (code from vizard)
//streamInfo.desc().append_child("synchronization").append_child_value("can_drop_samples", "true");
var setup = streamInfo.desc().append_child("setup");
setup.append_child_value("name", StreamName);
// channels with position and orientation in quaternions
objs = setup.append_child("objects");
obj = objs.append_child("object");
obj.append_child_value("label", StreamName);
obj.append_child_value("id", StreamName);
obj.append_child_value("type", "Mocap");
channels = streamInfo.desc().append_child("channels");
chan = channels.append_child("channel");
chan.append_child_value("label", StreamName + "_X");
chan.append_child_value("object", StreamName);
chan.append_child_value("type", "PositionX");
chan.append_child_value("unit", "meters");
chan = channels.append_child("channel");
chan.append_child_value("label", StreamName + "_Y");
chan.append_child_value("object", StreamName);
chan.append_child_value("type", "PositionY");
chan.append_child_value("unit", "meters");
chan = channels.append_child("channel");
chan.append_child_value("label", StreamName + "_Z");
chan.append_child_value("object", StreamName);
chan.append_child_value("type", "PositionZ");
chan.append_child_value("unit", "meters");
chan = channels.append_child("channel");
chan.append_child_value("label", StreamName + "_quat_X");
chan.append_child_value("object", StreamName);
chan.append_child_value("type", "OrientationX");
chan.append_child_value("unit", "quaternion");
chan = channels.append_child("channel");
chan.append_child_value("label", StreamName + "_quat_Y");
chan.append_child_value("object", StreamName);
chan.append_child_value("type", "OrientationY");
chan.append_child_value("unit", "quaternion");
chan = channels.append_child("channel");
chan.append_child_value("label", StreamName + "_quat_Z");
chan.append_child_value("object", StreamName);
chan.append_child_value("type", "OrientationZ");
chan.append_child_value("unit", "quaternion");
chan = channels.append_child("channel");
chan.append_child_value("label", StreamName + "_quat_W");
chan.append_child_value("object", StreamName);
chan.append_child_value("type", "OrientationW");
chan.append_child_value("unit", "quaternion");
outlet = new liblsl.StreamOutlet(streamInfo);
}
}
// Start is called before the first frame update
void Start()
{
liblsl.StreamInfo streamInfo = new liblsl.StreamInfo(StreamName, StreamType, 12, 1 / Time.fixedDeltaTime, liblsl.channel_format_t.cf_float32, StreamId);
liblsl.XMLElement chans = streamInfo.desc().append_child("channels");
chans.append_child("channel").append_child_value("label", "Timestamp");
chans.append_child("channel").append_child_value("label", "ConvergenceDistance");
chans.append_child("channel").append_child_value("label", "ConvergenceDistanceIsValid");
chans.append_child("channel").append_child_value("label", "GazeRayOriginX");
chans.append_child("channel").append_child_value("label", "GazeRayOriginY");
chans.append_child("channel").append_child_value("label", "GazeRayOriginZ");
chans.append_child("channel").append_child_value("label", "GazeRayDirectionX");
chans.append_child("channel").append_child_value("label", "GazeRayDirectionY");
chans.append_child("channel").append_child_value("label", "GazeRayDirectionZ");
chans.append_child("channel").append_child_value("label", "GazeRayIsValid");
chans.append_child("channel").append_child_value("label", "IsLeftEyeBlinking");
chans.append_child("channel").append_child_value("label", "IsRightEyeBlinking");
outlet = new liblsl.StreamOutlet(streamInfo);
currentSample = new float[12];
}
