Pre-override of ST7920 delays before HAL.h

6 years ago · 15d68cb496
1 changed files with 9 additions and 3 deletions
--- a/Marlin/src/HAL/HAL_LPC1768/HAL.h
+++ b/Marlin/src/HAL/HAL_LPC1768/HAL.h
@ -68,9 +68,15 @@ extern "C" volatile uint32_t _millis;
 #include "HAL_timers.h"
 #include "HardwareSerial.h"

-#define ST7920_DELAY_1 DELAY_NS(600)
-#define ST7920_DELAY_2 DELAY_NS(750)
-#define ST7920_DELAY_3 DELAY_NS(750)
+#ifndef ST7920_DELAY_1
+  #define ST7920_DELAY_1 DELAY_NS(600)
+#endif
+#ifndef ST7920_DELAY_2
+  #define ST7920_DELAY_2 DELAY_NS(750)
+#endif
+#ifndef ST7920_DELAY_3
+  #define ST7920_DELAY_3 DELAY_NS(750)
+#endif

 extern HalSerial usb_serial;