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/*
* Copyright (C) 2017-2024 Alibaba Group Holding Limited
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/******************************************************************************
* @file ringbuffer.h
* @brief header file for ringbuffer Driver
* @version V1.0
* @date August 15. 2019
******************************************************************************/
#ifndef _RING_BUFFER_H_
#define _RING_BUFFER_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "stdint.h"
#include <stdbool.h>
typedef struct ringbuffer {
uint8_t *buffer;
uint32_t size;
uint32_t write;
uint32_t read;
uint32_t data_len;
} csi_ringbuf_t;
void csi_ringbuf_reset(csi_ringbuf_t *fifo);
uint32_t csi_ringbuf_len(csi_ringbuf_t *fifo);
uint32_t csi_ringbuf_avail(csi_ringbuf_t *fifo);
bool csi_ringbuf_is_empty(csi_ringbuf_t *fifo);
bool csi_ringbuf_is_full(csi_ringbuf_t *fifo);
/*write to ringbuffer*/
uint32_t csi_ringbuf_in(csi_ringbuf_t *fifo, const void *in, uint32_t len);
/*read to ringbuffer*/
uint32_t csi_ringbuf_out(csi_ringbuf_t *fifo, void *out, uint32_t len);
/*move to another ringbuffer*/
uint32_t csi_ringbuf_move(csi_ringbuf_t *fifo_in, csi_ringbuf_t *fifo_out);
#ifdef __cplusplus
}
#endif
#endif /* _RING_BUFFER_H_ */
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