Add function to check if user asked to abort experiment

Author: Remi-Gau

checkAbort.m

@@ -0,0 +1,17 @@
+function checkAbort(cfg)
+% Check for experiment abortion from operator
+
+[keyIsDown, ~, keyCode] = KbCheck(cfg.keyboard);
+
+if keyIsDown && keyCode(KbName(cfg.escapeKey))
+    
+    global stopEverything
+    stopEverything = true;
+    
+    cleanUp();
+    
+    warning('\nEscape key press detected: aborting experiment.\n')
+    
+end
+
+end