From acd8afd83da625d36ef39bc01717f29f3b689952 Mon Sep 17 00:00:00 2001 From: Josh Rahm Date: Tue, 23 Jan 2018 23:13:16 -0700 Subject: simple uart enabled. --- usart/include/common.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'usart/include/common.h') diff --git a/usart/include/common.h b/usart/include/common.h index d88d82d..9d5c7cd 100644 --- a/usart/include/common.h +++ b/usart/include/common.h @@ -1,6 +1,8 @@ #ifndef COMMON__H #define COMMON__H +#include + /* Define __IO to be volatile if it's not already. */ #ifndef __IO #define __IO volatile @@ -15,4 +17,14 @@ #define PACKED __attribute__((packed)) #define BIT(n) (1 << (n)) +#define RESERVED_CONCAT_IMPL(x, y) x ## y +#define RESERVED_MACRO_CONCAT(x, y) RESERVED_CONCAT_IMPL(x, y) +#define RESERVED(n) \ + bits_t RESERVED_MACRO_CONCAT(_r, __COUNTER__) :n + +#define RESERVE(type) \ + __IO type RESERVED_MACRO_CONCAT(_r, __COUNTER__) + +typedef uint32_t bits_t; + #endif /* COMMON_H */ -- cgit