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| author | Josh Rahm <joshuarahm@gmail.com> | 2018-01-22 00:14:20 -0700 |
|---|---|---|
| committer | Josh Rahm <joshuarahm@gmail.com> | 2018-01-22 00:14:20 -0700 |
| commit | af0244fb51ccb608440128d0f3303ccce77c14c2 (patch) | |
| tree | 4b6057fe3c3029ee4b4602e690917859c6011599 /usart/include/common.h | |
| parent | 2dcbbea5fe1e2342ce4700b3ee8dce44a360a888 (diff) | |
| download | stm32l4-af0244fb51ccb608440128d0f3303ccce77c14c2.tar.gz stm32l4-af0244fb51ccb608440128d0f3303ccce77c14c2.tar.bz2 stm32l4-af0244fb51ccb608440128d0f3303ccce77c14c2.zip | |
VERY simple USART set up on USART2.
Diffstat (limited to 'usart/include/common.h')
| -rw-r--r-- | usart/include/common.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/usart/include/common.h b/usart/include/common.h new file mode 100644 index 0000000..d88d82d --- /dev/null +++ b/usart/include/common.h @@ -0,0 +1,18 @@ +#ifndef COMMON__H +#define COMMON__H + +/* Define __IO to be volatile if it's not already. */ +#ifndef __IO +#define __IO volatile +#endif + +#define bool int +#ifndef __cplusplus +#define true 1 +#define false 0 +#endif + +#define PACKED __attribute__((packed)) +#define BIT(n) (1 << (n)) + +#endif /* COMMON_H */ |