zephyr/include/mgmt/mcumgr/buf.h

59 lines
1.4 KiB
C

/*
* Copyright Runtime.io 2018. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_MGMT_BUF_H_
#define ZEPHYR_INCLUDE_MGMT_BUF_H_
#include <inttypes.h>
#include "tinycbor/cbor.h"
#include "tinycbor/cbor_buf_writer.h"
struct net_buf;
struct cbor_nb_reader {
struct cbor_decoder_reader r;
struct net_buf *nb;
};
struct cbor_nb_writer {
struct cbor_encoder_writer enc;
struct net_buf *nb;
};
/**
* @brief Allocates a net_buf for holding an mcumgr request or response.
*
* @return A newly-allocated buffer net_buf on success;
* NULL on failure.
*/
struct net_buf *mcumgr_buf_alloc(void);
/**
* @brief Frees an mcumgr net_buf
*
* @param nb The net_buf to free.
*/
void mcumgr_buf_free(struct net_buf *nb);
/**
* @brief Initializes a CBOR writer with the specified net_buf.
*
* @param cnw The writer to initialize.
* @param nb The net_buf that the writer will write to.
*/
void cbor_nb_writer_init(struct cbor_nb_writer *cnw,
struct net_buf *nb);
/**
* @brief Initializes a CBOR reader with the specified net_buf.
*
* @param cnr The reader to initialize.
* @param nb The net_buf that the reader will read from.
*/
void cbor_nb_reader_init(struct cbor_nb_reader *cnr,
struct net_buf *nb);
#endif