22 lines
749 B
C
22 lines
749 B
C
#ifndef _RING_BUFFER_H_
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#define _RING_BUFFER_H_
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typedef struct RINGBUF {
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uint8_t *data;
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uint32_t front;
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uint32_t rear;
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uint32_t elementsize;
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uint32_t elementcount;
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} RINGBUF;
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RINGBUF *ringbuf_Init(uint8_t elementsize, uint32_t elementcount);
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int32_t ringbuf_read_available(RINGBUF *ringbuf);
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int32_t ringbuf_write_available(RINGBUF *ringbuf);
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int32_t ringbuf_read(RINGBUF *ringbuf, void *data, uint32_t elementcount);
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int32_t ringbuf_write(RINGBUF *ringbuf, void *data, uint32_t elementcount);
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int32_t ringbuf_move_readptr(RINGBUF *ringbuf, int32_t elementcount);
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int32_t ringbuf_read_nomove(RINGBUF *ringbuf, void *data, uint32_t elementcount);
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void ringbuf_clean(RINGBUF *ringbuf);
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void ringbuf_del(RINGBUF *ringbuf);
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#endif |