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19 lines
504 B
19 lines
504 B
10 years ago
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#ifndef _RING_BUF_H_
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#define _RING_BUF_H_
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#include <esp8266.h>
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#include "typedef.h"
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typedef struct{
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U8* p_o; /**< Original pointer */
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U8* volatile p_r; /**< Read pointer */
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U8* volatile p_w; /**< Write pointer */
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volatile I32 fill_cnt; /**< Number of filled slots */
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I32 size; /**< Buffer size */
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}RINGBUF;
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I16 ICACHE_FLASH_ATTR RINGBUF_Init(RINGBUF *r, U8* buf, I32 size);
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I16 ICACHE_FLASH_ATTR RINGBUF_Put(RINGBUF *r, U8 c);
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I16 ICACHE_FLASH_ATTR RINGBUF_Get(RINGBUF *r, U8* c);
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#endif
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