108 lines
2.4 KiB
C
108 lines
2.4 KiB
C
/** @file
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* @brief Bluetooth device address definitions and utilities.
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*/
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/*
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* Copyright (c) 2019 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_BLUETOOTH_ADDR_H_
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#define ZEPHYR_INCLUDE_BLUETOOTH_ADDR_H_
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#include <string.h>
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#include <zephyr/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Bluetooth device address definitions and utilities.
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* @defgroup bt_addr Device Address
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* @ingroup bluetooth
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* @{
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*/
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#define BT_ADDR_LE_PUBLIC 0x00
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#define BT_ADDR_LE_RANDOM 0x01
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#define BT_ADDR_LE_PUBLIC_ID 0x02
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#define BT_ADDR_LE_RANDOM_ID 0x03
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/** Bluetooth Device Address */
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typedef struct {
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uint8_t val[6];
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} bt_addr_t;
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/** Bluetooth LE Device Address */
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typedef struct {
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uint8_t type;
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bt_addr_t a;
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} bt_addr_le_t;
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#define BT_ADDR_ANY ((bt_addr_t[]) { { { 0, 0, 0, 0, 0, 0 } } })
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#define BT_ADDR_NONE ((bt_addr_t[]) { { \
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{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } } })
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#define BT_ADDR_LE_ANY ((bt_addr_le_t[]) { { 0, { { 0, 0, 0, 0, 0, 0 } } } })
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#define BT_ADDR_LE_NONE ((bt_addr_le_t[]) { { 0, \
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{ { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } } } })
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static inline int bt_addr_cmp(const bt_addr_t *a, const bt_addr_t *b)
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{
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return memcmp(a, b, sizeof(*a));
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}
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static inline int bt_addr_le_cmp(const bt_addr_le_t *a, const bt_addr_le_t *b)
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{
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return memcmp(a, b, sizeof(*a));
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}
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static inline void bt_addr_copy(bt_addr_t *dst, const bt_addr_t *src)
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{
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memcpy(dst, src, sizeof(*dst));
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}
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static inline void bt_addr_le_copy(bt_addr_le_t *dst, const bt_addr_le_t *src)
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{
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memcpy(dst, src, sizeof(*dst));
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}
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#define BT_ADDR_IS_RPA(a) (((a)->val[5] & 0xc0) == 0x40)
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#define BT_ADDR_IS_NRPA(a) (((a)->val[5] & 0xc0) == 0x00)
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#define BT_ADDR_IS_STATIC(a) (((a)->val[5] & 0xc0) == 0xc0)
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#define BT_ADDR_SET_RPA(a) ((a)->val[5] = (((a)->val[5] & 0x3f) | 0x40))
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#define BT_ADDR_SET_NRPA(a) ((a)->val[5] &= 0x3f)
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#define BT_ADDR_SET_STATIC(a) ((a)->val[5] |= 0xc0)
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int bt_addr_le_create_nrpa(bt_addr_le_t *addr);
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int bt_addr_le_create_static(bt_addr_le_t *addr);
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static inline bool bt_addr_le_is_rpa(const bt_addr_le_t *addr)
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{
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if (addr->type != BT_ADDR_LE_RANDOM) {
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return false;
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}
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return BT_ADDR_IS_RPA(&addr->a);
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}
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static inline bool bt_addr_le_is_identity(const bt_addr_le_t *addr)
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{
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if (addr->type == BT_ADDR_LE_PUBLIC) {
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return true;
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}
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return BT_ADDR_IS_STATIC(&addr->a);
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}
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* ZEPHYR_INCLUDE_BLUETOOTH_ADDR_H_ */
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