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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 886 | killagreg | 1 | #include "fifo.h" |
| 2 | |||
| 3 | void fifo_init (fifo_t *f, uint8_t *buffer, const uint8_t size) |
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| 4 | { |
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| 5 | f->count = 0; |
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| 6 | f->pread = f->pwrite = buffer; |
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| 7 | f->read2end = f->write2end = f->size = size; |
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| 8 | } |
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| 9 | |||
| 10 | uint8_t fifo_put (fifo_t *f, const uint8_t data) |
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| 11 | { |
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| 12 | return _inline_fifo_put (f, data); |
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| 13 | } |
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| 14 | |||
| 15 | uint8_t fifo_get_wait (fifo_t *f) |
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| 16 | { |
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| 17 | while (!f->count); |
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| 18 | |||
| 19 | return _inline_fifo_get (f); |
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| 20 | } |
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| 21 | |||
| 22 | int16_t fifo_get_nowait (fifo_t *f) |
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| 23 | { |
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| 24 | if (!f->count) return -1; |
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| 25 | |||
| 26 | return (int16_t) _inline_fifo_get (f); |
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| 27 | } |
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| 28 |