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| author | Michal Idziorek <m.i@gmx.at> | 2015-05-18 00:48:07 +0200 |
|---|---|---|
| committer | Michal Idziorek <m.i@gmx.at> | 2015-05-18 00:48:07 +0200 |
| commit | db22b587966b4a4eaa47536f32ca812532446bcb (patch) | |
| tree | b6d471f5232973713ef64d9c81feefef51ee5eaf /fs/ringbuffer.h | |
| parent | 042e25e19b5fc0cec1d47440c26246c886cf39f6 (diff) | |
heavy refactoring underway
Diffstat (limited to 'fs/ringbuffer.h')
| -rw-r--r-- | fs/ringbuffer.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/fs/ringbuffer.h b/fs/ringbuffer.h new file mode 100644 index 0000000..31d00cf --- /dev/null +++ b/fs/ringbuffer.h @@ -0,0 +1,27 @@ +#ifndef RINGBUFFER_H +#define RINGBUFFER_H + +#include <stdint.h> +#include <stdbool.h> + +// Simple FIRST IN FIRST OUT +// requires kballoc - block allocation +typedef struct ringbuffer_struct +{ + uint32_t size; + uint32_t front; + uint32_t back; + + uint8_t *data; + +}ringbuffer; + +// create new fifo of given size (in blocks) +ringbuffer ringbuffer_init(uint32_t blocks); + +// true on success +bool ringbuffer_put(ringbuffer*,uint8_t); +uint8_t ringbuffer_get(ringbuffer*); // blocking +bool ringbuffer_has(ringbuffer*); // check if somehting waiting? + +#endif |
