-extern volatile u8* _switch_input;
-#define switch_input (*_switch_input)
-extern volatile u8* _misc_input;
-#define misc_input (*_misc_input)
-extern volatile u8* _home_sensors;
-#define home_sensors (*_home_sensors)
+extern volatile u8 _switch_input;
+#define switch_input _switch_input
+extern volatile u8 _misc_input;
+#define misc_input _misc_input
+extern volatile u8 _home_sensors;
+#define home_sensors _home_sensors
+
+#define is_standalone() (misc_input & 0x01) /* DIP sw 1 */