Fix "UNUSED" redefined warning on HAL_STM32 (#14342)

6 years ago · 81d550754a
1 changed files with 5 additions and 1 deletions
--- a/Marlin/src/core/macros.h
+++ b/Marlin/src/core/macros.h
@ -57,7 +57,11 @@
 // Remove compiler warning on an unused variable
 #ifndef UNUSED
-  #define UNUSED(x) ((void)(x))
+  #if defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC)
    #define UNUSED(X) (void)X
  #else
    #define UNUSED(x) ((void)(x))
  #endif
 #endif
 // Macros to make a string from a macro