cobs.h

Go to the documentation of this file.

/*
 * Copyright (c) 2024 Kelly Helmut Lord
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DATA_COBS_H_
#define ZEPHYR_INCLUDE_DATA_COBS_H_
 
#include <stddef.h>
#include <sys/types.h>
#include <zephyr/sys/util.h>
#include <zephyr/net_buf.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define COBS_DEFAULT_DELIMITER 0x00
 
#define COBS_FLAG_TRAILING_DELIMITER BIT(8)
 
#define COBS_FLAG_CUSTOM_DELIMITER(x) ((x) & 0xff)
 
static inline size_t cobs_max_encoded_len(size_t decoded_size, uint32_t flags)
{
        if (flags & COBS_FLAG_TRAILING_DELIMITER) {
                return decoded_size + decoded_size / 254 + 1 + 1;
        } else {
                return decoded_size + decoded_size / 254 + 1;
        }
}
static inline size_t cobs_max_encoded_len(size_t decoded_size, uint32_t flags) {…}
 
int cobs_encode(struct net_buf *src, struct net_buf *dst, uint32_t flags);
 
int cobs_decode(struct net_buf *src, struct net_buf *dst, uint32_t flags);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_DATA_COBS_H_ */