/branches/V0.71h Code Redesign killagreg/fifo.c |
---|
0,0 → 1,28 |
#include "fifo.h" |
void fifo_init (fifo_t *f, uint8_t *buffer, const uint8_t size) |
{ |
f->count = 0; |
f->pread = f->pwrite = buffer; |
f->read2end = f->write2end = f->size = size; |
} |
uint8_t fifo_put (fifo_t *f, const uint8_t data) |
{ |
return _inline_fifo_put (f, data); |
} |
uint8_t fifo_get_wait (fifo_t *f) |
{ |
while (!f->count); |
return _inline_fifo_get (f); |
} |
int16_t fifo_get_nowait (fifo_t *f) |
{ |
if (!f->count) return -1; |
return (int16_t) _inline_fifo_get (f); |
} |