diff options
Diffstat (limited to 'libmaple/util.h')
| -rw-r--r-- | libmaple/util.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libmaple/util.h b/libmaple/util.h index a18fa84..5b20088 100644 --- a/libmaple/util.h +++ b/libmaple/util.h @@ -65,6 +65,8 @@ #define __read(reg) *(volatile uint32*)(reg) #define __write(reg, value) *(volatile uint32*)(reg) = (value) +#define IS_POWER_OF_TWO(v) (v && !(v & (v - 1))) + #ifdef __cplusplus extern "C"{ #endif |