Reduce STM32F4 compile warnings

6 years ago · 606a4362b3
3 changed files with 3 additions and 1 deletions
--- a/Marlin/src/HAL/HAL_STM32F4/HAL.h
+++ b/Marlin/src/HAL/HAL_STM32F4/HAL.h
@ -110,6 +110,7 @@
  #define NUM_SERIAL 1
 #endif

+#undef _BV
 #define _BV(b) (1 << (b))

 /**
--- a/Marlin/src/HAL/HAL_STM32F4/fastio_STM32F4.h
+++ b/Marlin/src/HAL/HAL_STM32F4/fastio_STM32F4.h
@ -29,6 +29,7 @@
 #ifndef _FASTIO_STM32F4_H
 #define _FASTIO_STM32F4_H

+#undef _BV
 #define _BV(b) (1 << (b))

 #define USEABLE_HARDWARE_PWM(p) true
--- a/Marlin/src/core/macros.h
+++ b/Marlin/src/core/macros.h
@ -57,7 +57,7 @@
 #define NANOSECONDS_PER_CYCLE (1000000000.0 / F_CPU)

 // Remove compiler warning on an unused variable
-#define UNUSED(x) (void) (x)
+#define UNUSED(x) ((void)(x))

 // Macros to make a string from a macro
 #define STRINGIFY_(M) #M