diff options
Diffstat (limited to '02-usart/include/common.h')
| -rw-r--r-- | 02-usart/include/common.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/02-usart/include/common.h b/02-usart/include/common.h index 01b6a47..8e0cb06 100644 --- a/02-usart/include/common.h +++ b/02-usart/include/common.h @@ -31,6 +31,9 @@ #define RESERVE(type) \ __IO type RESERVED_MACRO_CONCAT(_r, __COUNTER__) -typedef uint32_t bits_t; +#define ptr2reg(ptr) \ + ((uint32_t) (ptrdiff_t) (ptr)) + +typedef __IO uint32_t bits_t; #endif /* COMMON_H */ |