NOOP macro for do-nothing macros

9 years ago · c6f1337f5c
parent c2145566c7
commit c6f1337f5c
2 changed files with 4 additions and 2 deletions
--- a/Marlin/macros.h
+++ b/Marlin/macros.h
@ -60,4 +60,6 @@
 #define PENDING(NOW,SOON) ((long)(NOW-(SOON))<0)
 #define ELAPSED(NOW,SOON) (!PENDING(NOW,SOON))

+#define NOOP do{}while(0)
+
 #endif //__MACROS_H
--- a/Marlin/ultralcd.h
+++ b/Marlin/ultralcd.h
@ -156,8 +156,8 @@
  FORCE_INLINE void lcd_reset_alert_level() {}
  FORCE_INLINE bool lcd_detected(void) { return true; }

-  #define LCD_MESSAGEPGM(x) do{}while(0)
-  #define LCD_ALERTMESSAGEPGM(x) do{}while(0)
+  #define LCD_MESSAGEPGM(x) NOOP
+  #define LCD_ALERTMESSAGEPGM(x) NOOP

 #endif //ULTRA_LCD