Patch use of UNUSED

2019-09-17 00:05:12 -05:00
parent 282c39e3d0
commit 2405ccb7ef
2 changed files with 9 additions and 1 deletions
--- a/Marlin/src/core/macros.h
+++ b/Marlin/src/core/macros.h
@ -45,6 +45,14 @@
 #define _O2          __attribute__((optimize("O2")))
 #define _O3          __attribute__((optimize("O3")))

+#ifndef UNUSED
+  #if defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC)
+    #define UNUSED(X) (void)X
+  #else
+    #define UNUSED(x) ((void)(x))
+  #endif
+#endif
+
 // Clock speed factors
 #if !defined(CYCLES_PER_MICROSECOND) && !defined(__STM32F1__)
  #define CYCLES_PER_MICROSECOND (F_CPU / 1000000UL) // 16 or 20 on AVR