Fix compile error with MAX_MESSAGE_LENGTH

Fix #9988
2018-03-07 21:56:37 -06:00
parent 6b4a928145
commit 03e3011332
1 changed files with 5 additions and 1 deletions
--- a/Marlin/src/lcd/ultralcd.cpp
+++ b/Marlin/src/lcd/ultralcd.cpp
@@ -92,7 +92,11 @@ uint8_t lcd_status_update_delay = 1, // First update one loop delayed
        lcd_status_message_level;    // Higher level blocks lower level

 #if ENABLED(STATUS_MESSAGE_SCROLLING)
-  #define MAX_MESSAGE_LENGTH max(CHARSIZE * 2 * (LCD_WIDTH), LONG_FILENAME_LENGTH)
+  #if LONG_FILENAME_LENGTH > CHARSIZE * 2 * (LCD_WIDTH)
+    #define MAX_MESSAGE_LENGTH LONG_FILENAME_LENGTH
+  #else
+    #define MAX_MESSAGE_LENGTH CHARSIZE * 2 * (LCD_WIDTH)
+  #endif
  uint8_t status_scroll_pos = 0;
 #else
  #define MAX_MESSAGE_LENGTH CHARSIZE * (LCD_WIDTH)