delete the error note at the beginning of the file

Author: marcobarilari

src/eyeTracker.m

@@ -1,103 +1,4 @@
-% Eyelink already initialized!
-% Running experiment on a 'EYELINK CL 4.56 ' tracker.
-% Error in function Open: Usage error
-% Could not find *any* audio hardware on your system - or at least not with
-% the provided deviceid, if any!
-% Error in function FillRect: Invalid Window (or Texture) Index provided:
-% It doesn't correspond to an open window or texture.
-% Did you close it accidentally via Screen('Close') or Screen('CloseAll') ?
-% EYELINK: WARNING! PsychEyelinkCallRuntime() Failed to call eyelink runtime
-% callback function PsychEyelinkDispatchCallback [rc = 1]!
-% EYELINK: WARNING! Make sure that function is on your Matlab/Octave path and
-% properly initialized.
-% EYELINK: WARNING! May also be an error during execution of that function.
-% Type ple at command prompt for error messages.
-% EYELINK: WARNING! Auto-Disabling all callbacks to the runtime environment
-% for safety reasons.
-% Eyelink: In PsychEyelink_get_input_key(): Error condition detected: Trying
-% to send TERMINATE_KEY abort keycode!
-% Eyelink: In PsychEyelink_get_input_key(): Error condition detected: Trying
-% to send TERMINATE_KEY abort keycode!
-% Error in function FillRect: Invalid Window (or Texture) Index provided:
-% It doesn't correspond to an open window or texture.
-% Did you close it accidentally via Screen('Close') or Screen('CloseAll') ?
-% Error using Screen
-% Usage:
-%
-% Screen('FillRect', windowPtr [,color] [,rect] )
-%
-% Error in eyeTracker (line 150)
-% Screen('FillRect', cfg.screen.win, [0 0 0]);
-%
-% Error in visualLocTanslational (line 52)
-% [el] = eyeTracker('Calibration', cfg);
-
-
-function [el, edfFile] = eyeTracker(input, cfg, varargin)
-    % [el, edfFile] = eyeTracker(input, cfg, varargin)
-    %
-    % Mosto of the comments with explanation (e.g. 'STEP #') come from `EyelinkEventExample.m`
-    %
-    % Optional useful functions to implement in future:
-    %
-    %  - Set level of verbosity for error/warning/status messages. ‘level’ optional, new
-    %    level of verbosity. ‘oldlevel’ is the old level of verbosity. The following
-    %    levels are supported: 0 = Shut up. 1 = Print errors, 2 = Print also warnings, 3
-    %    = Print also some info, 4 = Print more useful info (default), >5 = Be very
-    %    verbose (mostly for debugging the driver itself).
-    %
-    %   oldlevel = Eyelink(‘Verbosity’ [,level]);
-    %
-    % - Sanity check that ET is set a specific eye that we want, we might forget to check :)
-    %
-    %   eye_used = Eyelink('EyeAvailable');
-    %   switch eye_used
-    %       case el.BINOCULAR
-    %           error('tracker indicates binocular')
-    %       case el.LEFT_EYE
-    %           error('tracker indicates left eye')
-    %       case el.RIGHT_EYE
-    %           disp('tracker indicates right eye')
-    %       case -1
-    %           error('eyeavailable returned -1')
-    %       otherwise
-    %           eye_used
-    %           error('unexpected result from eyeavailable')
-    %   end
-    %
-    %  - Tag the ET data outout
-    %
-    %   Eyelink('command', 'add_file_preamble_text', 'Recorded by EyelinkToolbox demo-experiment');
-    %
-    %  - Set parser (conservative saccade thresholds)
-    %
-    %   Eyelink('command', 'saccade_velocity_threshold = 35');
-    %   Eyelink('command', 'saccade_acceleration_threshold = 9500');
-    %
-    %  - Drift correction, do a final check of calibration using driftcorrection. You have to hit
-    %    esc before return.
-    %
-    %   EyelinkDoDriftCorrection(el);
-    %   success = EyelinkDoDriftCorrection(el);
-    %   if success~=1
-    %      Eyelink('shutdown');
-    %      cleanUp()
-    %      return;
-    %   end
-    %
-    %    or use [status = ] Eyelink(‘DriftCorrStart’, x, y [,dtype=0][, dodraw=1][, allow_setup=0]),
-    %    e.g.:
-    %
-    %     Perform drift correction: The special flags 1,1,1 request
-    %     interactive correction with video display:
-    %
-    %   result = Eyelink('DriftCorrStart',30,30,1,1,1);
-    %
-    %  - Tag the recording, in the past caused delays during the presentation so I avoided to use it
-    %
-    %   Eyelink('message', 'Trial_1');
-
-
+function [el, edfFile] = eyeTracker(input, cfg)
 
     if ~cfg.eyeTracker.do