diff -r b74b0e4902c3 -r ad2c8b13eb88 main/brewboard.c
--- a/main/brewboard.c	Sat Oct 20 13:23:15 2018 +0200
+++ b/main/brewboard.c	Sat Oct 20 17:09:48 2018 +0200
@@ -20,9 +20,9 @@
 extern WIFI_State		*wifi_state;
 
 
-int 				Main_Screen = MAIN_MODE_UNKNOWN;
-int				Old_Screen = MAIN_MODE_UNKNOWN;
-bool				System_TimeOk = false;
+int 				Main_Screen = MAIN_MODE_UNKNOWN;	///< Screen number
+int				Old_Screen = MAIN_MODE_UNKNOWN;		///< Previous screen number
+bool				System_TimeOk = false;			///< System time status