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RIOT/sys/include/net/bluetil/addr.h
2019-08-28 16:48:42 +02:00

117 lines
3.3 KiB
C

/*
* Copyright (C) 2019 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @defgroup ble_bluetil_addr BLE Address Helper
* @ingroup ble_bluetil
* @brief Generic BLE address handling functions
* @{
*
* @file
* @brief Interface for the generic BLE address helper functions
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*/
#ifndef NET_BLUETIL_ADDR_H
#define NET_BLUETIL_ADDR_H
#include <stdint.h>
#include "net/ble.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief The length of a BLE address string in bytes (including '\0')
*/
#define BLUETIL_ADDR_STRLEN (18U)
/**
* @brief The length of an IPv6 IID string in bytes (including '\0')
*/
#define BLUETIL_IPV6_IID_STRLEN (28U)
/**
* @brief Copy address and swap the byte order in the target buffer
*
* @param[in] src buffer with source address, *must* hold
* @ref BLE_ADDR_LEN bytes
* @param[out] dst target buffer, *must* be able to hold @ref BLE_ADDR_LEN
* bytes
*/
void bluetil_addr_swapped_cp(const uint8_t *src, uint8_t *dst);
/**
* @brief Convert the given BLE address to a human readable string
*
* @note The address is expected to be in network byte order
*
* @param[out] out '\0' terminated address string, *must* be able to hold
* @ref BLUETIL_ADDR_STRLEN bytes
* @param[in] addr address buffer, *must* hold @ref BLE_ADDR_LEN bytes
*/
void bluetil_addr_sprint(char *out, const uint8_t *addr);
/**
* @brief Print the given BLE address to STDOUT
*
* @note The address is expected to be in network byte order
*
* @param[in] addr address to print, is expected to hold @ref BLE_ADDR_LEN
* bytes
*/
void bluetil_addr_print(const uint8_t *addr);
/**
* @brief Parse a BLE address from the given string
*
* @note The address is expected most significant byte first and is written
* to @p addr in network byte order
*
* @param[out] addr buffer to write the BLE address, *must* be able to hold
* @ref BLE_ADDR_LEN bytes
* @param[in] addr_str address string, must be at least of length
* (@ref BLUETIL_ADDR_STRLEN - 1)
*
* @return a pointer to the resulting address on success
* @return NULL on parsing error
*/
uint8_t *bluetil_addr_from_str(uint8_t *addr, const char *addr_str);
/**
* @brief Get a string representation of the given BLE addresses IID-based
* link local address
*
* @note The address is expected to be in network byte order
*
* @param[out] out '\0' terminated string, *must* be able to hold
* @ref BLUETIL_IPV6_IID_STRLEN bytes
* @param[in] addr address to convert, , *must* hold @ref BLE_ADDR_LEN bytes
*/
void bluetil_addr_ipv6_l2ll_sprint(char *out, const uint8_t *addr);
/**
* @brief Dump the given BLE addresses IPv6 IID-based link local address to
* STDIO
*
* @note The address is expected to be in network byte order
*
* @param[in] addr generate IID for this address
*/
void bluetil_addr_ipv6_l2ll_print(const uint8_t *addr);
#ifdef __cplusplus
}
#endif
#endif /* NET_BLUETIL_ADDR_H */
/** @} */