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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/spin.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/spin.h')
| -rw-r--r-- | usart/include/spin.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/usart/include/spin.h b/usart/include/spin.h new file mode 100644 index 0000000..a23d25b --- /dev/null +++ b/usart/include/spin.h @@ -0,0 +1,15 @@ +#ifndef H__SPIN_ +#define H__SPIN_ + +#include <stdint.h> + +/* + * Flash a code on the status LED. + * + * The flash codes a binary from MSB to LSB. A long flash is a 1, a short flash + * is a 0. Each independent flashing is succeced by a break of 4 times that + * of a long flash. + */ +void spin(uint32_t base_delay, uint8_t code); + +#endif /* H__SPIN_ */ |