Create BITSET/BITCLR macros

9 years ago · c8f76bb8aa
parent adc25db8c4
commit c8f76bb8aa
1 changed files with 4 additions and 3 deletions
--- a/Marlin/macros.h
+++ b/Marlin/macros.h
@ -2,9 +2,10 @@
 #define MACROS_H

 // Macros for bit masks
-#define BIT(b) (1<<(b))
-#define TEST(n,b) (((n)&BIT(b))!=0)
-#define SET_BIT(n,b,value) (n) ^= ((-value)^(n)) & (BIT(b))
+#define TEST(n,b) (((n)&_BV(b))!=0)
+#define SBI(n,b) (n |= _BV(b))
+#define CBI(n,b) (n &= ~_BV(b))
+#define SET_BIT(n,b,value) (n) ^= ((-value)^(n)) & (_BV(b))

 // Macros for maths shortcuts
 #define RADIANS(d) ((d)*M_PI/180.0)