27 lines
466 B
C
27 lines
466 B
C
#include "fifo.h"
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void fifo_init (fifo_t *f, uint8_t *buffer, const uint8_t size)
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{
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f->count = 0;
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f->pread = f->pwrite = buffer;
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f->read2end = f->write2end = f->size = size;
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}
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uint8_t fifo_put (fifo_t *f, const uint8_t data)
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{
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return _inline_fifo_put (f, data);
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}
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uint8_t fifo_get_wait (fifo_t *f)
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{
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while (!f->count);
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return _inline_fifo_get (f);
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}
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int fifo_get_nowait (fifo_t *f)
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{
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if (!f->count) return -1;
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return (int) _inline_fifo_get (f);
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} |