fix second part of the code

Author: marcobarilari

src/eyeTracker.m

@@ -220,39 +220,42 @@
                 %  otherwise you may lose a few msec of data
                 WaitSecs(0.1);
 
-                % HERE START THE STIMULATION OF THE BLOCK
-                % to mark the beginning of the trial
+                % Mark the beginning of the trial, here start the stimulation of the experiment
                 Eyelink('Message', 'SYNCTIME');
 
             case 'StopRecordings'
 
                 % STEP 8
-                % finish up: stop recording eye-movements,
+                % Finish up: stop recording of eye-movements
+
                 % EyeLink Stop recording the block
                 Eyelink('Message', 'BLANK_SCREEN');
-                % adds 100 msec of data to catch final events
+
+                % Add 100 msec of data to catch final events
                 WaitSecs(0.1);
-                % close graphics window, close data file and shut down tracker
+
+                % Stop recoding
                 Eyelink('StopRecording');
 
             case 'Shutdown'
 
+                % STEP 6
+                % At the end of the experiment, save the edf file and shut down connection
+                %  with Eyelink
+
+                # Set the edf file path + name
                 edfFileName = fullfile( ...
                     cfg.dir.outputSubject, ...
                     'eyetracker', ...
                     cfg.fileName.eyetracker);
 
-                edfFile = 'demo.edf';
-
-                % STEP 6
-                % At the end of the experiment, save the edf file and shut down connection
-                %  with Eyelink
-
                 Eyelink('Command', 'set_idle_mode');
+
                 WaitSecs(0.5);
+
                 Eyelink('CloseFile');
 
-                % download data file
+                % Download data file
                 try
                     fprintf('Receiving data file ''%s''\n', edfFileName);