zephyr/include/bluetooth/gap.h

338 lines
13 KiB
C

/** @file
* @brief Bluetooth Generic Access Profile defines and Assigned Numbers.
*/
/*
* Copyright (c) 2019 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_BLUETOOTH_GAP_H_
#define ZEPHYR_INCLUDE_BLUETOOTH_GAP_H_
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Bluetooth Generic Access Profile defines and Assigned Numbers.
* @defgroup bt_gap_defines Defines and Assigned Numbers
* @ingroup bluetooth
* @{
*/
/** Company Identifiers (see Bluetooth Assigned Numbers) */
#define BT_COMP_ID_LF 0x05f1 /* The Linux Foundation */
/** EIR/AD data type definitions */
#define BT_DATA_FLAGS 0x01 /* AD flags */
#define BT_DATA_UUID16_SOME 0x02 /* 16-bit UUID, more available */
#define BT_DATA_UUID16_ALL 0x03 /* 16-bit UUID, all listed */
#define BT_DATA_UUID32_SOME 0x04 /* 32-bit UUID, more available */
#define BT_DATA_UUID32_ALL 0x05 /* 32-bit UUID, all listed */
#define BT_DATA_UUID128_SOME 0x06 /* 128-bit UUID, more available */
#define BT_DATA_UUID128_ALL 0x07 /* 128-bit UUID, all listed */
#define BT_DATA_NAME_SHORTENED 0x08 /* Shortened name */
#define BT_DATA_NAME_COMPLETE 0x09 /* Complete name */
#define BT_DATA_TX_POWER 0x0a /* Tx Power */
#define BT_DATA_SM_TK_VALUE 0x10 /* Security Manager TK Value */
#define BT_DATA_SM_OOB_FLAGS 0x11 /* Security Manager OOB Flags */
#define BT_DATA_SOLICIT16 0x14 /* Solicit UUIDs, 16-bit */
#define BT_DATA_SOLICIT128 0x15 /* Solicit UUIDs, 128-bit */
#define BT_DATA_SVC_DATA16 0x16 /* Service data, 16-bit UUID */
#define BT_DATA_GAP_APPEARANCE 0x19 /* GAP appearance */
#define BT_DATA_LE_BT_DEVICE_ADDRESS 0x1b /* LE Bluetooth Device Address */
#define BT_DATA_LE_ROLE 0x1c /* LE Role */
#define BT_DATA_SOLICIT32 0x1f /* Solicit UUIDs, 32-bit */
#define BT_DATA_SVC_DATA32 0x20 /* Service data, 32-bit UUID */
#define BT_DATA_SVC_DATA128 0x21 /* Service data, 128-bit UUID */
#define BT_DATA_LE_SC_CONFIRM_VALUE 0x22 /* LE SC Confirmation Value */
#define BT_DATA_LE_SC_RANDOM_VALUE 0x23 /* LE SC Random Value */
#define BT_DATA_URI 0x24 /* URI */
#define BT_DATA_LE_SUPPORTED_FEATURES 0x27 /* LE Supported Features */
#define BT_DATA_CHANNEL_MAP_UPDATE_IND 0x28 /* Channel Map Update Indication */
#define BT_DATA_MESH_PROV 0x29 /* Mesh Provisioning PDU */
#define BT_DATA_MESH_MESSAGE 0x2a /* Mesh Networking PDU */
#define BT_DATA_MESH_BEACON 0x2b /* Mesh Beacon */
#define BT_DATA_BIG_INFO 0x2c /* BIGInfo */
#define BT_DATA_BROADCAST_CODE 0x2d /* Broadcast Code */
#define BT_DATA_CSIS_RSI 0x2e /* CSIS Random Set ID type */
#define BT_DATA_MANUFACTURER_DATA 0xff /* Manufacturer Specific Data */
#define BT_LE_AD_LIMITED 0x01 /* Limited Discoverable */
#define BT_LE_AD_GENERAL 0x02 /* General Discoverable */
#define BT_LE_AD_NO_BREDR 0x04 /* BR/EDR not supported */
/* Defined GAP timers */
#define BT_GAP_SCAN_FAST_INTERVAL 0x0060 /* 60 ms */
#define BT_GAP_SCAN_FAST_WINDOW 0x0030 /* 30 ms */
#define BT_GAP_SCAN_SLOW_INTERVAL_1 0x0800 /* 1.28 s */
#define BT_GAP_SCAN_SLOW_WINDOW_1 0x0012 /* 11.25 ms */
#define BT_GAP_SCAN_SLOW_INTERVAL_2 0x1000 /* 2.56 s */
#define BT_GAP_SCAN_SLOW_WINDOW_2 0x0012 /* 11.25 ms */
#define BT_GAP_ADV_FAST_INT_MIN_1 0x0030 /* 30 ms */
#define BT_GAP_ADV_FAST_INT_MAX_1 0x0060 /* 60 ms */
#define BT_GAP_ADV_FAST_INT_MIN_2 0x00a0 /* 100 ms */
#define BT_GAP_ADV_FAST_INT_MAX_2 0x00f0 /* 150 ms */
#define BT_GAP_ADV_SLOW_INT_MIN 0x0640 /* 1 s */
#define BT_GAP_ADV_SLOW_INT_MAX 0x0780 /* 1.2 s */
#define BT_GAP_PER_ADV_FAST_INT_MIN_1 0x0018 /* 30 ms */
#define BT_GAP_PER_ADV_FAST_INT_MAX_1 0x0030 /* 60 ms */
#define BT_GAP_PER_ADV_FAST_INT_MIN_2 0x0050 /* 100 ms */
#define BT_GAP_PER_ADV_FAST_INT_MAX_2 0x0078 /* 150 ms */
#define BT_GAP_PER_ADV_SLOW_INT_MIN 0x0320 /* 1 s */
#define BT_GAP_PER_ADV_SLOW_INT_MAX 0x03C0 /* 1.2 s */
#define BT_GAP_INIT_CONN_INT_MIN 0x0018 /* 30 ms */
#define BT_GAP_INIT_CONN_INT_MAX 0x0028 /* 50 ms */
/** LE PHY types */
enum {
/** Convenience macro for when no PHY is set. */
BT_GAP_LE_PHY_NONE = 0,
/** LE 1M PHY */
BT_GAP_LE_PHY_1M = BIT(0),
/** LE 2M PHY */
BT_GAP_LE_PHY_2M = BIT(1),
/** LE Coded PHY */
BT_GAP_LE_PHY_CODED = BIT(2),
};
/** Advertising PDU types */
enum {
/** Scannable and connectable advertising. */
BT_GAP_ADV_TYPE_ADV_IND = 0x00,
/** Directed connectable advertising. */
BT_GAP_ADV_TYPE_ADV_DIRECT_IND = 0x01,
/** Non-connectable and scannable advertising. */
BT_GAP_ADV_TYPE_ADV_SCAN_IND = 0x02,
/** Non-connectable and non-scannable advertising. */
BT_GAP_ADV_TYPE_ADV_NONCONN_IND = 0x03,
/** Additional advertising data requested by an active scanner. */
BT_GAP_ADV_TYPE_SCAN_RSP = 0x04,
/** Extended advertising, see advertising properties. */
BT_GAP_ADV_TYPE_EXT_ADV = 0x05,
};
/** Advertising PDU properties */
enum {
/** Connectable advertising. */
BT_GAP_ADV_PROP_CONNECTABLE = BIT(0),
/** Scannable advertising. */
BT_GAP_ADV_PROP_SCANNABLE = BIT(1),
/** Directed advertising. */
BT_GAP_ADV_PROP_DIRECTED = BIT(2),
/** Additional advertising data requested by an active scanner. */
BT_GAP_ADV_PROP_SCAN_RESPONSE = BIT(3),
/** Extended advertising. */
BT_GAP_ADV_PROP_EXT_ADV = BIT(4),
};
/** Maximum advertising data length. */
#define BT_GAP_ADV_MAX_ADV_DATA_LEN 31
/** Maximum extended advertising data length.
*
* @note The maximum advertising data length that can be sent by an extended
* advertiser is defined by the controller.
*/
#define BT_GAP_ADV_MAX_EXT_ADV_DATA_LEN 1650
#define BT_GAP_TX_POWER_INVALID 0x7f
#define BT_GAP_RSSI_INVALID 0x7f
#define BT_GAP_SID_INVALID 0xff
#define BT_GAP_NO_TIMEOUT 0x0000
/* The maximum allowed high duty cycle directed advertising timeout, 1.28
* seconds in 10 ms unit.
*/
#define BT_GAP_ADV_HIGH_DUTY_CYCLE_MAX_TIMEOUT 128
#define BT_GAP_DATA_LEN_DEFAULT 0x001b /* 27 bytes */
#define BT_GAP_DATA_LEN_MAX 0x00fb /* 251 bytes */
#define BT_GAP_DATA_TIME_DEFAULT 0x0148 /* 328 us */
#define BT_GAP_DATA_TIME_MAX 0x4290 /* 17040 us */
#define BT_GAP_SID_MAX 0x0F
#define BT_GAP_PER_ADV_MAX_SKIP 0x01F3
#define BT_GAP_PER_ADV_MIN_TIMEOUT 0x000A
#define BT_GAP_PER_ADV_MAX_TIMEOUT 0x4000
/** Minimum Periodic Advertising Interval (N * 1.25 ms) */
#define BT_GAP_PER_ADV_MIN_INTERVAL 0x0006
/** Maximum Periodic Advertising Interval (N * 1.25 ms) */
#define BT_GAP_PER_ADV_MAX_INTERVAL 0xFFFF
/**
* @brief Convert periodic advertising interval (N * 1.25 ms) to milliseconds
*
* 5 / 4 represents 1.25 ms unit.
*/
#define BT_GAP_PER_ADV_INTERVAL_TO_MS(interval) ((interval) * 5 / 4)
/** Constant Tone Extension (CTE) types */
enum {
/** Angle of Arrival */
BT_GAP_CTE_AOA = 0x00,
/** Angle of Departure with 1 us slots */
BT_GAP_CTE_AOD_1US = 0x01,
/** Angle of Departure with 2 us slots */
BT_GAP_CTE_AOD_2US = 0x02,
/** No extensions */
BT_GAP_CTE_NONE = 0xFF,
};
/** @brief Peripheral sleep clock accuracy (SCA) in ppm (parts per million) */
enum {
BT_GAP_SCA_UNKNOWN = 0,
BT_GAP_SCA_251_500 = 0,
BT_GAP_SCA_151_250 = 1,
BT_GAP_SCA_101_150 = 2,
BT_GAP_SCA_76_100 = 3,
BT_GAP_SCA_51_75 = 4,
BT_GAP_SCA_31_50 = 5,
BT_GAP_SCA_21_30 = 6,
BT_GAP_SCA_0_20 = 7,
};
/**
* @brief Encode 40 least significant bits of 64-bit LE Supported Features into array values
* in little-endian format.
*
* Helper macro to encode 40 least significant bits of 64-bit LE Supported Features value into
* advertising data. The number of bits that are encoded is a number of LE Supported Features
* defined by BT 5.3 Core specification.
*
* Example of how to encode the `0x000000DFF00DF00D` into advertising data.
*
* @code
* BT_DATA_BYTES(BT_DATA_LE_SUPPORTED_FEATURES, BT_LE_SUPP_FEAT_40_ENCODE(0x000000DFF00DF00D))
* @endcode
*
* @param w64 LE Supported Features value (64-bits)
*
* @return The comma separated values for LE Supported Features value that
* may be used directly as an argument for @ref BT_DATA_BYTES.
*/
#define BT_LE_SUPP_FEAT_40_ENCODE(w64) \
(((w64) >> 0) & 0xFF), \
(((w64) >> 8) & 0xFF), \
(((w64) >> 16) & 0xFF), \
(((w64) >> 24) & 0xFF), \
(((w64) >> 32) & 0xFF)
/** @brief Encode 4 least significant bytes of 64-bit LE Supported Features into
* 4 bytes long array of values in little-endian format.
*
* Helper macro to encode 64-bit LE Supported Features value into advertising
* data. The macro encodes 4 least significant bytes into advertising data.
* Other 4 bytes are not encoded.
*
* Example of how to encode the `0x000000DFF00DF00D` into advertising data.
*
* @code
* BT_DATA_BYTES(BT_DATA_LE_SUPPORTED_FEATURES, BT_LE_SUPP_FEAT_32_ENCODE(0x000000DFF00DF00D))
* @endcode
*
* @param w64 LE Supported Features value (64-bits)
*
* @return The comma separated values for LE Supported Features value that
* may be used directly as an argument for @ref BT_DATA_BYTES.
*/
#define BT_LE_SUPP_FEAT_32_ENCODE(w64) \
(((w64) >> 0) & 0xFF), \
(((w64) >> 8) & 0xFF), \
(((w64) >> 16) & 0xFF), \
(((w64) >> 24) & 0xFF)
/**
* @brief Encode 3 least significant bytes of 64-bit LE Supported Features into
* 3 bytes long array of values in little-endian format.
*
* Helper macro to encode 64-bit LE Supported Features value into advertising
* data. The macro encodes 3 least significant bytes into advertising data.
* Other 5 bytes are not encoded.
*
* Example of how to encode the `0x000000DFF00DF00D` into advertising data.
*
* @code
* BT_DATA_BYTES(BT_DATA_LE_SUPPORTED_FEATURES, BT_LE_SUPP_FEAT_24_ENCODE(0x000000DFF00DF00D))
* @endcode
*
* @param w64 LE Supported Features value (64-bits)
*
* @return The comma separated values for LE Supported Features value that
* may be used directly as an argument for @ref BT_DATA_BYTES.
*/
#define BT_LE_SUPP_FEAT_24_ENCODE(w64) \
(((w64) >> 0) & 0xFF), \
(((w64) >> 8) & 0xFF), \
(((w64) >> 16) & 0xFF),
/**
* @brief Encode 2 least significant bytes of 64-bit LE Supported Features into
* 2 bytes long array of values in little-endian format.
*
* Helper macro to encode 64-bit LE Supported Features value into advertising
* data. The macro encodes 3 least significant bytes into advertising data.
* Other 6 bytes are not encoded.
*
* Example of how to encode the `0x000000DFF00DF00D` into advertising data.
*
* @code
* BT_DATA_BYTES(BT_DATA_LE_SUPPORTED_FEATURES, BT_LE_SUPP_FEAT_16_ENCODE(0x000000DFF00DF00D))
* @endcode
*
* @param w64 LE Supported Features value (64-bits)
*
* @return The comma separated values for LE Supported Features value that
* may be used directly as an argument for @ref BT_DATA_BYTES.
*/
#define BT_LE_SUPP_FEAT_16_ENCODE(w64) \
(((w64) >> 0) & 0xFF), \
(((w64) >> 8) & 0xFF),
/**
* @brief Encode the least significant byte of 64-bit LE Supported Features into
* single byte long array.
*
* Helper macro to encode 64-bit LE Supported Features value into advertising
* data. The macro encodes the least significant byte into advertising data.
* Other 7 bytes are not encoded.
*
* Example of how to encode the `0x000000DFF00DF00D` into advertising data.
*
* @code
* BT_DATA_BYTES(BT_DATA_LE_SUPPORTED_FEATURES, BT_LE_SUPP_FEAT_8_ENCODE(0x000000DFF00DF00D))
* @endcode
*
* @param w64 LE Supported Features value (64-bits)
*
* @return The value of least significant byte of LE Supported Features value
* that may be used directly as an argument for @ref BT_DATA_BYTES.
*/
#define BT_LE_SUPP_FEAT_8_ENCODE(w64) \
(((w64) >> 0) & 0xFF)
/**
* @brief Validate wheather LE Supported Features value does not use bits that are reserved for
* future use.
*
* Helper macro to check if @p w64 has zeros as bits 40-63. The macro is compliant with BT 5.3
* Core Specifiaction where bits 0-40 has assigned values. In case of invalid value, build time
* error is reported.
*/
#define BT_LE_SUPP_FEAT_VALIDATE(w64) \
BUILD_ASSERT(!((w64) & (~BIT64_MASK(40))), \
"RFU bit in LE Supported Features are not zeros.")
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* ZEPHYR_INCLUDE_BLUETOOTH_GAP_H_ */