| /branches/V0.69k 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); |
| } |