30 lines
744 B
C
30 lines
744 B
C
#ifndef RING_FIFO_H
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#define RING_FIFO_H
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#include <stdbool.h>
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#include <stdint.h>
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typedef void (*lock_fun)(void);
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typedef struct
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{
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uint8_t *buf;
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uint32_t buf_size;
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uint32_t occupy_size;
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uint8_t *pwrite;
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uint8_t *pread;
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void (*lock)(void);
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void (*unlock)(void);
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}_fifo_t;
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void fifo_register(_fifo_t *pfifo, uint8_t *pfifo_buf, uint32_t size,
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lock_fun lock, lock_fun unlock);
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void fifo_release(_fifo_t *pfifo);
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uint32_t fifo_write(_fifo_t *pfifo, const uint8_t *pbuf, uint32_t size);
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uint32_t fifo_read(_fifo_t *pfifo, uint8_t *pbuf, uint32_t size);
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uint32_t fifo_get_total_size(_fifo_t *pfifo);
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uint32_t fifo_get_free_size(_fifo_t *pfifo);
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uint32_t fifo_get_occupy_size(_fifo_t *pfifo);
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#endif
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