blob: b498f67542e535d4b0931adf0c1a322af61bfed1 [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#ifndef H_BLE_HS_ADV_
#define H_BLE_HS_ADV_
/**
* @brief Bluetooth Host Advertising API
* @defgroup bt_adv Bluetooth Host Advertising API
* @ingroup bt_host
* @{
*/
#include <inttypes.h>
#include "host/ble_uuid.h"
#ifdef __cplusplus
extern "C" {
#endif
/** Max Advertising Data Size. */
#define BLE_HS_ADV_MAX_SZ BLE_HCI_MAX_ADV_DATA_LEN
/** Max field payload size (account for 2-byte header). */
#define BLE_HS_ADV_MAX_FIELD_SZ (BLE_HS_ADV_MAX_SZ - 2)
/** Represents advertising data packet in BLE advertisement or scan response. */
struct ble_hs_adv_field {
/** Length of the advertising data (type and value). */
uint8_t length;
/** Type of the advertising data field. */
uint8_t type;
/** Value of the advertising data field. */
uint8_t value[0];
};
/** Function pointer typedef for parsing an advertising data field. */
typedef int (* ble_hs_adv_parse_func_t) (const struct ble_hs_adv_field *,
void *);
/** Advertising Data Fields. */
struct ble_hs_adv_fields {
/** 0x01 - Flags. */
uint8_t flags;
/** 0x02,0x03 - 16-bit service class UUIDs. */
const ble_uuid16_t *uuids16;
/** Number of 16-bit UUIDs. */
uint8_t num_uuids16;
/** Indicates if the list of 16-bit UUIDs is complete. */
unsigned uuids16_is_complete:1;
/** 0x04,0x05 - 32-bit service class UUIDs. */
const ble_uuid32_t *uuids32;
/** Number of 32-bit UUIDs. */
uint8_t num_uuids32;
/** Indicates if the list of 32-bit UUIDs is complete. */
unsigned uuids32_is_complete:1;
/** 0x06,0x07 - 128-bit service class UUIDs. */
const ble_uuid128_t *uuids128;
/** Number of 128-bit UUIDs. */
uint8_t num_uuids128;
/** Indicates if the list of 128-bit UUIDs is complete. */
unsigned uuids128_is_complete:1;
/** 0x08,0x09 - Local name. */
const uint8_t *name;
/** Length of the local name. */
uint8_t name_len;
/** Indicates if the list of local names if complete. */
unsigned name_is_complete:1;
/** 0x0a - Tx power level. */
int8_t tx_pwr_lvl;
/** Indicates if Tx power level is present. */
unsigned tx_pwr_lvl_is_present:1;
/** 0x12 - Slave connection interval range. */
const uint8_t *slave_itvl_range;
/** 0x16 - Service data - 16-bit UUID. */
const uint8_t *svc_data_uuid16;
/** Length of the service data with 16-bit UUID. */
uint8_t svc_data_uuid16_len;
/** 0x17 - Public target address. */
const uint8_t *public_tgt_addr;
/** Number of public target addresses. */
uint8_t num_public_tgt_addrs;
/** 0x19 - Appearance. */
uint16_t appearance;
/** Indicates if Appearance is present. */
unsigned appearance_is_present:1;
/** 0x1a - Advertising interval. */
uint16_t adv_itvl;
/** Indicates if advertising interval is present. */
unsigned adv_itvl_is_present:1;
/** 0x20 - Service data - 32-bit UUID. */
const uint8_t *svc_data_uuid32;
/** Length of the service data with 32-bit UUID. */
uint8_t svc_data_uuid32_len;
/** 0x21 - Service data - 128-bit UUID. */
const uint8_t *svc_data_uuid128;
/** Length of service data with 128-bit UUID. */
uint8_t svc_data_uuid128_len;
/** 0x24 - URI. */
const uint8_t *uri;
/** Length of the URI. */
uint8_t uri_len;
/** 0xff - Manufacturer specific data. */
const uint8_t *mfg_data;
/** Length of manufacturer specific data. */
uint8_t mfg_data_len;
/** 0x30 - Broadcast name. */
const uint8_t *broadcast_name;
/** Length of the Broadcast name. */
uint8_t broadcast_name_len;
};
/**
* @defgroup ble_hs_adv_types BLE Advertising Common Data Types
* @{
*/
/** Common Data Type: Flags. */
#define BLE_HS_ADV_TYPE_FLAGS 0x01
/** Common Data Type: Incomplete List of 16-bit Service Class UUIDs. */
#define BLE_HS_ADV_TYPE_INCOMP_UUIDS16 0x02
/** Common Data Type: Complete List of 16-bit Service Class UUIDs. */
#define BLE_HS_ADV_TYPE_COMP_UUIDS16 0x03
/** Common Data Type: Incomplete List of 32-bit Service Class UUIDs. */
#define BLE_HS_ADV_TYPE_INCOMP_UUIDS32 0x04
/** Common Data Type: Complete List of 32-bit Service Class UUIDs. */
#define BLE_HS_ADV_TYPE_COMP_UUIDS32 0x05
/** Common Data Type: Incomplete List of 128-bit Service Class UUIDs. */
#define BLE_HS_ADV_TYPE_INCOMP_UUIDS128 0x06
/** Common Data Type: Complete List of 128-bit Service Class UUIDs. */
#define BLE_HS_ADV_TYPE_COMP_UUIDS128 0x07
/** Common Data Type: Shortened Local Name. */
#define BLE_HS_ADV_TYPE_INCOMP_NAME 0x08
/** Common Data Type: Complete Local Name. */
#define BLE_HS_ADV_TYPE_COMP_NAME 0x09
/** Common Data Type: Tx Power Level. */
#define BLE_HS_ADV_TYPE_TX_PWR_LVL 0x0a
/** Common Data Type: Peripheral Connection Interval Range. */
#define BLE_HS_ADV_TYPE_SLAVE_ITVL_RANGE 0x12
/** Common Data Type: List of 16-bit Service Solicitation UUIDs. */
#define BLE_HS_ADV_TYPE_SOL_UUIDS16 0x14
/** Common Data Type: List of 128-bit Service Solicitation UUIDs. */
#define BLE_HS_ADV_TYPE_SOL_UUIDS128 0x15
/** Common Data Type: Service Data - 16-bit UUID. */
#define BLE_HS_ADV_TYPE_SVC_DATA_UUID16 0x16
/** Common Data Type: Public Target Address. */
#define BLE_HS_ADV_TYPE_PUBLIC_TGT_ADDR 0x17
/** Common Data Type: Random Target Address. */
#define BLE_HS_ADV_TYPE_RANDOM_TGT_ADDR 0x18
/** Common Data Type: Appearance. */
#define BLE_HS_ADV_TYPE_APPEARANCE 0x19
/** Common Data Type: Advertising Interval. */
#define BLE_HS_ADV_TYPE_ADV_ITVL 0x1a
/** Common Data Type: Service Data - 32-bit UUID. */
#define BLE_HS_ADV_TYPE_SVC_DATA_UUID32 0x20
/** Common Data Type: Service Data - 128-bit UUID. */
#define BLE_HS_ADV_TYPE_SVC_DATA_UUID128 0x21
/** Common Data Type: URI. */
#define BLE_HS_ADV_TYPE_URI 0x24
/** Common Data Type: PB-ADV. */
#define BLE_HS_ADV_TYPE_MESH_PROV 0x29
/** Common Data Type: Mesh Message. */
#define BLE_HS_ADV_TYPE_MESH_MESSAGE 0x2a
/** Common Data Type: Mesh Beacon. */
#define BLE_HS_ADV_TYPE_MESH_BEACON 0x2b
/** Common Data Type: Broadcast Name. */
#define BLE_HS_ADV_TYPE_BROADCAST_NAME 0x30
/** Common Data Type: Manufacturer Specific Data. */
#define BLE_HS_ADV_TYPE_MFG_DATA 0xff
/**
* @}
*/
/**
* @defgroup ble_hs_adv_flags BLE Advertising Flags
* @{
*/
/** Length of BLE Advertising Flags field. */
#define BLE_HS_ADV_FLAGS_LEN 1
/** Limited Discoverable Mode Flag. */
#define BLE_HS_ADV_F_DISC_LTD 0x01
/** General Discoverable Mode Flag. */
#define BLE_HS_ADV_F_DISC_GEN 0x02
/** BR/EDR Not Supported Flag. */
#define BLE_HS_ADV_F_BREDR_UNSUP 0x04
/** @} */
/**
* @defgroup ble_hs_adv_misc BLE Advertising Miscellaneous
* @{
*/
/** Length of BLE advertising transmit power level field. */
#define BLE_HS_ADV_TX_PWR_LVL_LEN 1
/**
* Set the tx_pwr_lvl field to this if you want the stack to fill in the tx
* power level field.
*/
#define BLE_HS_ADV_TX_PWR_LVL_AUTO (-128)
/** Length of the Peripheral Connection Interval Range field. */
#define BLE_HS_ADV_SLAVE_ITVL_RANGE_LEN 4
/** Minimum length of the Service Data - 16-bit UUID field. */
#define BLE_HS_ADV_SVC_DATA_UUID16_MIN_LEN 2
/** Length of a Public Target Address entry. */
#define BLE_HS_ADV_PUBLIC_TGT_ADDR_ENTRY_LEN 6
/** Length of the Appearance field. */
#define BLE_HS_ADV_APPEARANCE_LEN 2
/** Length of the Advertising Interval field. */
#define BLE_HS_ADV_ADV_ITVL_LEN 2
/** Minimum length of the Service Data - 32-bit UUID field. */
#define BLE_HS_ADV_SVC_DATA_UUID32_MIN_LEN 4
/** Minimum length of the Service Data - 128-bit UUID field. */
#define BLE_HS_ADV_SVC_DATA_UUID128_MIN_LEN 16
/**
* @}
*/
/**
* Set the advertising data fields in an os_mbuf.
*
* @param adv_fields Pointer to the advertising data structure.
* @param om Pointer to the memory buffer that will be written with
* advertising data.
*
* @return 0 on success; non-zero on failure.
*/
int ble_hs_adv_set_fields_mbuf(const struct ble_hs_adv_fields *adv_fields,
struct os_mbuf *om);
/**
* Set the advertising data fields in a destination buffer.
*
* @param adv_fields Pointer to the advertising data structure.
* @param dst Pointer to the destination buffer that will be written
* with advertising data.
* @param dst_len Pointer to the variable that will hold the length of
* the data written.
* @param max_len Maximum length of the destination buffer.
*
* @return 0 on success; nonzero on failure.
*/
int ble_hs_adv_set_fields(const struct ble_hs_adv_fields *adv_fields,
uint8_t *dst, uint8_t *dst_len, uint8_t max_len);
/**
* Parse the advertising data fields from a source buffer.
*
* @param adv_fields Pointer to the advertising data fields structure
* to populate.
* @param src Pointer to the source buffer containing the data
* to parse.
* @param src_len Length of the source buffer.
*
* @return 0 on success; nonzero on failure.
*/
int ble_hs_adv_parse_fields(struct ble_hs_adv_fields *adv_fields,
const uint8_t *src, uint8_t src_len);
/**
* Parse the advertising data using the provided parsing function.
*
* @param data Pointer to the advertising data buffer to parse.
* @param length Length of the advertising data buffer.
* @param func Pointer to the parsing function to apply to each
* field.
* @param user_data User-defined data to pass to the parsing function.
*
* @return 0 on success; nonzero on failure.
*/
int ble_hs_adv_parse(const uint8_t *data, uint8_t length,
ble_hs_adv_parse_func_t func, void *user_data);
#ifdef __cplusplus
}
#endif
/**
* @}
*/
#endif