ipc_icmsg_buf.h

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/*
 * Copyright (c) 2022 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_IPC_SERVICE_IPC_ICMSG_BUF_H_
#define ZEPHYR_INCLUDE_IPC_SERVICE_IPC_ICMSG_BUF_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct icmsg_buf {
        uint32_t len;           /* Length of data[] in bytes. */
        uint32_t wr_idx;        /* Index of the first free byte in data[] */
        uint32_t rd_idx;        /* Index of the first valid byte in data[] */
        uint8_t data[];         /* Buffer data. */
};
 
struct icmsg_buf *icmsg_buf_init(void *buf, size_t blen);
 
int icmsg_buf_write(struct icmsg_buf *ib, const char *buf, uint16_t len);
 
int icmsg_buf_read(struct icmsg_buf *ib, char *buf, uint16_t len);
 
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_IPC_SERVICE_IPC_ICMSG_BUF_H_ */