/// <summary>
/// Connects to Tobii Pro Eye-Tracker
/// </summary>
/// <returns>Connection Success Message</returns>
public override async Task <ApiResponseData> ConnectAsync()
{
IPAdress = "tet-tcp://" + Settings.Default.EyeTrackerIP + "/";
try
{
EyeTracker = EyeTrackingOperations.GetEyeTracker(IPAdress);
}
catch (Exception ex)
{
// Likely wrong URI Format
return(new ApiResponseData {
Message = ex.Message
});
}
if (EyeTracker != null)
{
// Connection established
Logger.Debug("Connected to " + EyeTracker.DeviceName + " width IP " + IPAdress);
Console.WriteLine("Connected to " + EyeTracker.DeviceName + " width IP " + IPAdress);
SubscribeToGazeDataAsync();
IsConnected = true;
return(new ApiResponseData {
Success = true
});
}
else
{
return(new ApiResponseData {
Message = "Unable to connect to EyeTracker with IP " + IPAdress
});
}
}
// internal methods
async void SearchEyeTrackers()
{
var collection = await EyeTrackingOperations.FindAllEyeTrackersAsync();
if (collection.Count > 0)
{
var tracker = collection[0];
try
{
_eyeTracker = EyeTrackingOperations.GetEyeTracker(tracker.Address);
}
catch (Exception ex)
{
Error(this, ex.Message);
}
if (_eyeTracker != null)
{
Ready(this, _eyeTracker.DeviceName);
}
}
else
{
Invoke(nameof(SearchEyeTrackers), 5);
}
}