mirror of
https://github.com/thead-yocto-mirror/csi_hal
synced 2026-06-21 17:02:25 +02:00
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/*
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* Copyright (C) 2021 Alibaba Group Holding Limited
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* Author: zhuxinran <fuqian.zxr@alibaba-inc.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/*
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* Copyright (C) 2017-2020 Alibaba Group Holding Limited
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*/
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#ifndef _DRV_RINGBUFFER_H_
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#define _DRV_RINGBUFFER_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 <stdbool.h>
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typedef struct ringbuffer {
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uint8_t *buffer;
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uint32_t size;
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uint32_t write;
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uint32_t read;
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uint32_t data_len;
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} ringbuffer_t;
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void ringbuffer_reset(ringbuffer_t *fifo);
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uint32_t ringbuffer_len(ringbuffer_t *fifo);
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uint32_t ringbuffer_avail(ringbuffer_t *fifo);
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bool ringbuffer_is_empty(ringbuffer_t *fifo);
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bool ringbuffer_is_full(ringbuffer_t *fifo);
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/*write to ringbuffer*/
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uint32_t ringbuffer_in(ringbuffer_t *fifo, const void *in, uint32_t len);
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/*read to ringbuffer*/
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uint32_t ringbuffer_out(ringbuffer_t *fifo, void *out, uint32_t len);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _DRV_RINGBUFFER_H_ */
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