43 lines
1.0 KiB
C
43 lines
1.0 KiB
C
/*
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* 模块名称：Ring Buffer
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* 模块功能：线程安全的字节环形缓冲区（单生产者-单消费者模型）
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* 适用平台：通用嵌入式平台
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* 作者：王建锋
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* 创建日期：2026-07-19
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* 修改记录：
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* v1.0 2026-07-19 王建锋 创建初始版本
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*/
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#ifndef __RINGBUF_H
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#define __RINGBUF_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <stddef.h>
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typedef struct {
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uint8_t *buf;
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size_t size;
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size_t head;
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size_t tail;
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} ringbuf_t;
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void ringbuf_init(ringbuf_t *rb, uint8_t *pool, size_t size);
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size_t ringbuf_put(ringbuf_t *rb, const uint8_t *data, size_t len);
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size_t ringbuf_get(ringbuf_t *rb, uint8_t *data, size_t len);
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size_t ringbuf_peek(const ringbuf_t *rb, uint8_t *data, size_t len);
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size_t ringbuf_avail(const ringbuf_t *rb);
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size_t ringbuf_space(const ringbuf_t *rb);
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int ringbuf_is_empty(const ringbuf_t *rb);
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int ringbuf_is_full(const ringbuf_t *rb);
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void ringbuf_reset(ringbuf_t *rb);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __RINGBUF_H */
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