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/*
* Copyright (C) 2015 BlueKitchen GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 4. Any redistribution, use, or modification is done solely for
* personal benefit and not for any commercial purpose or for
* monetary gain.
*
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Please inquire about commercial licensing options at
* contact@bluekitchen-gmbh.com
*
*/
/*
* bluetooth.h
*
* Numbers defined or derived from the official Bluetooth specification
*/
#ifndef __BLUETOOTH_H
#define __BLUETOOTH_H
#include <stdint.h>
/**
* @brief hci connection handle type
*/
typedef uint16_t hci_con_handle_t;
/**
* @brief Length of a bluetooth device address.
*/
#define BD_ADDR_LEN 6
/**
* @brief Bluetooth address
*/
typedef uint8_t bd_addr_t[BD_ADDR_LEN];
/**
* Address types
* @note: BTstack uses a custom addr type to refer to classic ACL and SCO devices
*/
typedef enum {
BD_ADDR_TYPE_LE_PUBLIC = 0,
BD_ADDR_TYPE_LE_RANDOM = 1,
BD_ADDR_TYPE_LE_PRIVAT_FALLBACK_PUBLIC = 2,
BD_ADDR_TYPE_LE_PRIVAT_FALLBACK_RANDOM = 3,
BD_ADDR_TYPE_SCO = 0xfe,
BD_ADDR_TYPE_CLASSIC = 0xff,
BD_ADDR_TYPE_UNKNOWN = 0xfe
} bd_addr_type_t;
/**
* @brief link key
*/
#define LINK_KEY_LEN 16
#define LINK_KEY_STR_LEN (LINK_KEY_LEN*2)
typedef uint8_t link_key_t[LINK_KEY_LEN];
/**
* @brief link key type
*/
typedef enum {
COMBINATION_KEY = 0, // standard pairing
LOCAL_UNIT_KEY, // ?
REMOTE_UNIT_KEY, // ?
DEBUG_COMBINATION_KEY, // SSP with debug
UNAUTHENTICATED_COMBINATION_KEY_GENERATED_FROM_P192, // SSP Simple Pairing
AUTHENTICATED_COMBINATION_KEY_GENERATED_FROM_P192, // SSP Passkey, Number confirm, OOB
CHANGED_COMBINATION_KEY, // Link key changed using Change Connection Lnk Key
UNAUTHENTICATED_COMBINATION_KEY_GENERATED_FROM_P256, // SSP Simpe Pairing
AUTHENTICATED_COMBINATION_KEY_GENERATED_FROM_P256, // SSP Passkey, Number confirm, OOB
} link_key_type_t;
/**
* @brief Inquiry modes
*/
typedef enum {
INQUIRY_MODE_STANDARD = 0,
INQUIRY_MODE_RSSI,
INQUIRY_MODE_RSSI_AND_EIR,
} inquiry_mode_t;
/**
* HCI Transport
*/
/**
* packet types - used in BTstack and over the H4 UART interface
*/
#define HCI_COMMAND_DATA_PACKET 0x01
#define HCI_ACL_DATA_PACKET 0x02
#define HCI_SCO_DATA_PACKET 0x03
#define HCI_EVENT_PACKET 0x04
// packet header sizes
#define HCI_CMD_HEADER_SIZE 3
#define HCI_ACL_HEADER_SIZE 4
#define HCI_SCO_HEADER_SIZE 3
#define HCI_EVENT_HEADER_SIZE 2
/**
* HCI Layer
*/
//
// Error Codes rfom Bluetooth Core Specification
//
/* ENUM_START: BLUETOOTH_ERROR_CODE */
#define ERROR_CODE_SUCCESS 0x00
#define ERROR_CODE_UNKNOWN_HCI_COMMAND 0x01
#define ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER 0x02
#define ERROR_CODE_HARDWARE_FAILURE 0x03
#define ERROR_CODE_PAGE_TIMEOUT 0x04
#define ERROR_CODE_AUTHENTICATION_FAILURE 0x05
#define ERROR_CODE_PIN_OR_KEY_MISSING 0x06
#define ERROR_CODE_MEMORY_CAPACITY_EXCEEDED 0x07
#define ERROR_CODE_CONNECTION_TIMEOUT 0x08
#define ERROR_CODE_CONNECTION_LIMIT_EXCEEDED 0x09
#define ERROR_CODE_SYNCHRONOUS_CONNECTION_LIMIT_TO_A_DEVICE_EXCEEDED 0x0A
#define ERROR_CODE_ACL_CONNECTION_ALREADY_EXISTS 0x0B
#define ERROR_CODE_COMMAND_DISALLOWED 0x0C
#define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_LIMITED_RESOURCES 0x0D
#define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_SECURITY_REASONS 0x0E
#define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_UNACCEPTABLE_BD_ADDR 0x0F
#define ERROR_CODE_CONNECTION_ACCEPT_TIMEOUT_EXCEEDED 0x10
#define ERROR_CODE_UNSUPPORTED_FEATURE_OR_PARAMETER_VALUE 0x11
#define ERROR_CODE_INVALID_HCI_COMMAND_PARAMETERS 0x12
#define ERROR_CODE_REMOTE_USER_TERMINATED_CONNECTION 0x13
#define ERROR_CODE_REMOTE_DEVICE_TERMINATED_CONNECTION_DUE_TO_LOW_RESOURCES 0x14
#define ERROR_CODE_REMOTE_DEVICE_TERMINATED_CONNECTION_DUE_TO_POWER_OFF 0x15
#define ERROR_CODE_CONNECTION_TERMINATED_BY_LOCAL_HOST 0x16
#define ERROR_CODE_REPEATED_ATTEMPTS 0x17
#define ERROR_CODE_PAIRING_NOT_ALLOWED 0x18
#define ERROR_CODE_UNKNOWN_LMP_PDU 0x19
#define ERROR_CODE_UNSUPPORTED_REMOTE_FEATURE_UNSUPPORTED_LMP_FEATURE 0x1A
#define ERROR_CODE_SCO_OFFSET_REJECTED 0x1B
#define ERROR_CODE_SCO_INTERVAL_REJECTED 0x1C
#define ERROR_CODE_SCO_AIR_MODE_REJECTED 0x1D
#define ERROR_CODE_INVALID_LMP_PARAMETERS_INVALID_LL_PARAMETERS 0x1E
#define ERROR_CODE_UNSPECIFIED_ERROR 0x1F
#define ERROR_CODE_UNSUPPORTED_LMP_PARAMETER_VALUE_UNSUPPORTED_LL_PARAMETER_VALUE 0x20
#define ERROR_CODE_ROLE_CHANGE_NOT_ALLOWED 0x21
#define ERROR_CODE_LMP_RESPONSE_TIMEOUT_LL_RESPONSE_TIMEOUT 0x22
#define ERROR_CODE_LMP_ERROR_TRANSACTION_COLLISION 0x23
#define ERROR_CODE_LMP_PDU_NOT_ALLOWED 0x24
#define ERROR_CODE_ENCRYPTION_MODE_NOT_ACCEPTABLE 0x25
#define ERROR_CODE_LINK_KEY_CANNOT_BE_CHANGED 0x26
#define ERROR_CODE_REQUESTED_QOS_NOT_SUPPORTED 0x27
#define ERROR_CODE_INSTANT_PASSED 0x28
#define ERROR_CODE_PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED 0x29
#define ERROR_CODE_DIFFERENT_TRANSACTION_COLLISION 0x2A
#define ERROR_CODE_RESERVED 0x2B
#define ERROR_CODE_QOS_UNACCEPTABLE_PARAMETER 0x2C
#define ERROR_CODE_QOS_REJECTED 0x2D
#define ERROR_CODE_CHANNEL_CLASSIFICATION_NOT_SUPPORTED 0x2E
#define ERROR_CODE_INSUFFICIENT_SECURITY 0x2F
#define ERROR_CODE_PARAMETER_OUT_OF_MANDATORY_RANGE 0x30
// #define ERROR_CODE_RESERVED
#define ERROR_CODE_ROLE_SWITCH_PENDING 0x32
// #define ERROR_CODE_RESERVED
#define ERROR_CODE_RESERVED_SLOT_VIOLATION 0x34
#define ERROR_CODE_ROLE_SWITCH_FAILED 0x35
#define ERROR_CODE_EXTENDED_INQUIRY_RESPONSE_TOO_LARGE 0x36
#define ERROR_CODE_SECURE_SIMPLE_PAIRING_NOT_SUPPORTED_BY_HOST 0x37
#define ERROR_CODE_HOST_BUSY_PAIRING 0x38
#define ERROR_CODE_CONNECTION_REJECTED_DUE_TO_NO_SUITABLE_CHANNEL_FOUND 0x39
#define ERROR_CODE_CONTROLLER_BUSY 0x3A
#define ERROR_CODE_UNACCEPTABLE_CONNECTION_PARAMETERS 0x3B
#define ERROR_CODE_DIRECTED_ADVERTISING_TIMEOUT 0x3C
#define ERROR_CODE_CONNECTION_TERMINATED_DUE_TO_MIC_FAILURE 0x3D
#define ERROR_CODE_CONNECTION_FAILED_TO_BE_ESTABLISHED 0x3E
#define ERROR_CODE_MAC_CONNECTION_FAILED 0x3F
#define ERROR_CODE_COARSE_CLOCK_ADJUSTMENT_REJECTED_BUT_WILL_TRY_TO_ADJUST_USING_CLOCK_DRAGGING 0x40
/* ENUM_END */
// HCI roles
#define HCI_ROLE_MASTER 0
#define HCI_ROLE_SLAVE 1
// packet sizes (max payload)
#define HCI_ACL_DM1_SIZE 17
#define HCI_ACL_DH1_SIZE 27
#define HCI_ACL_2DH1_SIZE 54
#define HCI_ACL_3DH1_SIZE 83
#define HCI_ACL_DM3_SIZE 121
#define HCI_ACL_DH3_SIZE 183
#define HCI_ACL_DM5_SIZE 224
#define HCI_ACL_DH5_SIZE 339
#define HCI_ACL_2DH3_SIZE 367
#define HCI_ACL_3DH3_SIZE 552
#define HCI_ACL_2DH5_SIZE 679
#define HCI_ACL_3DH5_SIZE 1021
#define HCI_EVENT_PAYLOAD_SIZE 255
#define HCI_CMD_PAYLOAD_SIZE 255
#define LE_ADVERTISING_DATA_SIZE 31
/**
* Default INQ Mode
*/
#define HCI_INQUIRY_LAP 0x9E8B33L // 0x9E8B33: General/Unlimited Inquiry Access Code (GIAC)
/**
* SSP IO Capabilities
*/
#define SSP_IO_CAPABILITY_DISPLAY_ONLY 0
#define SSP_IO_CAPABILITY_DISPLAY_YES_NO 1
#define SSP_IO_CAPABILITY_KEYBOARD_ONLY 2
#define SSP_IO_CAPABILITY_NO_INPUT_NO_OUTPUT 3
#define SSP_IO_CAPABILITY_UNKNOWN 0xff
/**
* SSP Authentication Requirements, see IO Capability Request Reply Commmand
*/
// Numeric comparison with automatic accept allowed.
#define SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_NO_BONDING 0x00
// Use IO Capabilities to deter- mine authentication procedure
#define SSP_IO_AUTHREQ_MITM_PROTECTION_REQUIRED_NO_BONDING 0x01
// Numeric compar- ison with automatic accept allowed.
#define SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_DEDICATED_BONDING 0x02
// Use IO Capabilities to determine authentication procedure
#define SSP_IO_AUTHREQ_MITM_PROTECTION_REQUIRED_DEDICATED_BONDING 0x03
// Numeric Compari- son with automatic accept allowed.
#define SSP_IO_AUTHREQ_MITM_PROTECTION_NOT_REQUIRED_GENERAL_BONDING 0x04
// Use IO capabilities to determine authentication procedure.
#define SSP_IO_AUTHREQ_MITM_PROTECTION_REQUIRED_GENERAL_BONDING 0x05
// OGFs
#define OGF_LINK_CONTROL 0x01
#define OGF_LINK_POLICY 0x02
#define OGF_CONTROLLER_BASEBAND 0x03
#define OGF_INFORMATIONAL_PARAMETERS 0x04
#define OGF_STATUS_PARAMETERS 0x05
#define OGF_TESTING 0x06
#define OGF_LE_CONTROLLER 0x08
#define OGF_VENDOR 0x3f
// Events from host controller to host
/**
* @format 1
* @param status
*/
#define HCI_EVENT_INQUIRY_COMPLETE 0x01
/**
* @format 1B11132
* @param num_responses
* @param bd_addr
* @param page_scan_repetition_mode
* @param reserved1
* @param reserved2
* @param class_of_device
* @param clock_offset
*/
#define HCI_EVENT_INQUIRY_RESULT 0x02
/**
* @format 12B11
* @param status
* @param connection_handle
* @param bd_addr
* @param link_type
* @param encryption_enabled
*/
#define HCI_EVENT_CONNECTION_COMPLETE 0x03
/**
* @format B31
* @param bd_addr
* @param class_of_device
* @param link_type
*/
#define HCI_EVENT_CONNECTION_REQUEST 0x04
/**
* @format 121
* @param status
* @param connection_handle
* @param reason
*/
#define HCI_EVENT_DISCONNECTION_COMPLETE 0x05
/**
* @format 12
* @param status
* @param connection_handle
*/
#define HCI_EVENT_AUTHENTICATION_COMPLETE_EVENT 0x06
/**
* @format 1BN
* @param status
* @param bd_addr
* @param remote_name
*/
#define HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE 0x07
/**
* @format 121
* @param status
* @param connection_handle
* @param encryption_enabled
*/
#define HCI_EVENT_ENCRYPTION_CHANGE 0x08
/**
* @format 12
* @param status
* @param connection_handle
*/
#define HCI_EVENT_CHANGE_CONNECTION_LINK_KEY_COMPLETE 0x09
/**
* @format 121
* @param status
* @param connection_handle
* @param key_flag
*/
#define HCI_EVENT_MASTER_LINK_KEY_COMPLETE 0x0A
#define HCI_EVENT_READ_REMOTE_SUPPORTED_FEATURES_COMPLETE 0x0B
#define HCI_EVENT_READ_REMOTE_VERSION_INFORMATION_COMPLETE 0x0C
#define HCI_EVENT_QOS_SETUP_COMPLETE 0x0D
/**
* @format 12R
* @param num_hci_command_packets
* @param command_opcode
* @param return_parameters
*/
#define HCI_EVENT_COMMAND_COMPLETE 0x0E
/**
* @format 112
* @param status
* @param num_hci_command_packets
* @param command_opcode
*/
#define HCI_EVENT_COMMAND_STATUS 0x0F
/**
* @format 1
* @param hardware_code
*/
#define HCI_EVENT_HARDWARE_ERROR 0x10
#define HCI_EVENT_FLUSH_OCCURRED 0x11
/**
* @format 1B1
* @param status
* @param bd_addr
* @param role
*/
#define HCI_EVENT_ROLE_CHANGE 0x12
// TODO: number_of_handles 1, connection_handle[H*i], hc_num_of_completed_packets[2*i]
#define HCI_EVENT_NUMBER_OF_COMPLETED_PACKETS 0x13
/**
* @format 1H12
* @param status
* @param handle
* @param mode
* @param interval
*/
#define HCI_EVENT_MODE_CHANGE_EVENT 0x14
// TODO: num_keys, bd_addr[B*i], link_key[16 octets * i]
#define HCI_EVENT_RETURN_LINK_KEYS 0x15
/**
* @format B
* @param bd_addr
*/
#define HCI_EVENT_PIN_CODE_REQUEST 0x16
/**
* @format B
* @param bd_addr
*/
#define HCI_EVENT_LINK_KEY_REQUEST 0x17
// TODO: bd_addr B, link_key 16octets, key_type 1
#define HCI_EVENT_LINK_KEY_NOTIFICATION 0x18
/**
* @format 1
* @param link_type
*/
#define HCI_EVENT_DATA_BUFFER_OVERFLOW 0x1A
/**
* @format H1
* @param handle
* @param lmp_max_slots
*/
#define HCI_EVENT_MAX_SLOTS_CHANGED 0x1B
/**
* @format 1H2
* @param status
* @param handle
* @param clock_offset
*/
#define HCI_EVENT_READ_CLOCK_OFFSET_COMPLETE 0x1C
/**
* @format 1H2
* @param status
* @param handle
* @param packet_types
* @pnote packet_type is in plural to avoid clash with Java binding Packet.getPacketType()
*/
#define HCI_EVENT_CONNECTION_PACKET_TYPE_CHANGED 0x1D
/**
* @format 1B11321
* @param num_responses
* @param bd_addr
* @param page_scan_repetition_mode
* @param reserved
* @param class_of_device
* @param clock_offset
* @param rssi
*/
#define HCI_EVENT_INQUIRY_RESULT_WITH_RSSI 0x22
/**
* @format 1HB111221
* @param status
* @param handle
* @param bd_addr
* @param link_type
* @param transmission_interval
* @param retransmission_interval
* @param rx_packet_length
* @param tx_packet_length
* @param air_mode
*/
#define HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE 0x2C
// TODO: serialize extended_inquiry_response and provide parser
/**
* @format 1B11321
* @param num_responses
* @param bd_addr
* @param page_scan_repetition_mode
* @param reserved
* @param class_of_device
* @param clock_offset
* @param rssi
*/
#define HCI_EVENT_EXTENDED_INQUIRY_RESPONSE 0x2F
/**
* @format 1H
* @param status
* @param handle
*/
#define HCI_EVENT_ENCRYPTION_KEY_REFRESH_COMPLETE 0x30
#define HCI_EVENT_IO_CAPABILITY_REQUEST 0x31
#define HCI_EVENT_IO_CAPABILITY_RESPONSE 0x32
/**
* @format B4
* @param bd_addr
* @param numeric_value
*/
#define HCI_EVENT_USER_CONFIRMATION_REQUEST 0x33
/**
* @format B
* @param bd_addr
*/
#define HCI_EVENT_USER_PASSKEY_REQUEST 0x34
/**
* @format B
* @param bd_addr
*/
#define HCI_EVENT_REMOTE_OOB_DATA_REQUEST 0x35
/**
* @format 1B
* @param status
* @param bd_addr
*/
#define HCI_EVENT_SIMPLE_PAIRING_COMPLETE 0x36
#define HCI_EVENT_LE_META 0x3E
// last used HCI_EVENT in 2.1 is 0x3d
// last used HCI_EVENT in 4.1 is 0x57
#define HCI_EVENT_VENDOR_SPECIFIC 0xFF
/**
* @format 11H11B2221
* @param subevent_code
* @param status
* @param connection_handle
* @param role
* @param peer_address_type
* @param peer_address
* @param conn_interval
* @param conn_latency
* @param supervision_timeout
* @param master_clock_accuracy
*/
#define HCI_SUBEVENT_LE_CONNECTION_COMPLETE 0x01
// array of advertisements, not handled by event accessor generator
#define HCI_SUBEVENT_LE_ADVERTISING_REPORT 0x02
/**
* @format 11H222
* @param subevent_code
* @param status
* @param connection_handle
* @param conn_interval
* @param conn_latency
* @param supervision_timeout
*/
#define HCI_SUBEVENT_LE_CONNECTION_UPDATE_COMPLETE 0x03
/**
* @format 1HD2
* @param subevent_code
* @param connection_handle
* @param random_number
* @param encryption_diversifier
*/
#define HCI_SUBEVENT_LE_READ_REMOTE_USED_FEATURES_COMPLETE 0x04
/**
* @format 1HD2
* @param subevent_code
* @param connection_handle
* @param random_number
* @param encryption_diversifier
*/
#define HCI_SUBEVENT_LE_LONG_TERM_KEY_REQUEST 0x05
/**
* @format 1H2222
* @param subevent_code
* @param connection_handle
* @param interval_min
* @param interval_max
* @param latency
* @param timeout
*/
#define HCI_SUBEVENT_LE_REMOTE_CONNECTION_PARAMETER_REQUEST 0x06
/**
* @format 1H2222
* @param subevent_code
* @param connection_handle
* @param max_tx_octets
* @param max_tx_time
* @param max_rx_octets
* @param max_rx_time
*/
#define HCI_SUBEVENT_LE_DATA_LENGTH_CHANGE 0x07
/**
* @format 11QQ
* @param subevent_code
* @param status
* @param dhkey_x x coordinate of P256 public key
* @param dhkey_y y coordinate of P256 public key
*/
#define HCI_SUBEVENT_LE_READ_LOCAL_P256_PUBLIC_KEY_COMPLETE 0x08
/**
* @format 11QQ
* @param subevent_code
* @param status
* @param dhkey_x x coordinate of Diffie-Hellman key
* @param dhkey_y y coordinate of Diffie-Hellman key
*/
#define HCI_SUBEVENT_LE_GENERATE_DHKEY_COMPLETE 0x09
/**
* @format 11H11BBB2221
* @param subevent_code
* @param status
* @param connection_handle
* @param role
* @param peer_address_type
* @param perr_addresss
* @param local_resolvable_private_addres
* @param peer_resolvable_private_addres
* @param conn_interval
* @param conn_latency
* @param supervision_timeout
* @param master_clock_accuracy
*/
#define HCI_SUBEVENT_LE_ENHANCED_CONNECTION_COMPLETE 0x0A
// array of advertisements, not handled by event accessor generator
#define HCI_SUBEVENT_LE_DIRECT_ADVERTISING_REPORT 0x0B
/**
* L2CAP Layer
*/
#define L2CAP_HEADER_SIZE 4
#define L2CAP_SIG_ID_INVALID 0
// size of HCI ACL + L2CAP Header for regular data packets (8)
#define COMPLETE_L2CAP_HEADER (HCI_ACL_HEADER_SIZE + L2CAP_HEADER_SIZE)
// minimum signaling MTU
#define L2CAP_MINIMAL_MTU 48
#define L2CAP_DEFAULT_MTU 672
// Minimum/default MTU
#define L2CAP_LE_DEFAULT_MTU 23
// L2CAP Fixed Channel IDs
#define L2CAP_CID_SIGNALING 0x0001
#define L2CAP_CID_CONNECTIONLESS_CHANNEL 0x0002
#define L2CAP_CID_ATTRIBUTE_PROTOCOL 0x0004
#define L2CAP_CID_SIGNALING_LE 0x0005
#define L2CAP_CID_SECURITY_MANAGER_PROTOCOL 0x0006
// L2CAP Configuration Result Codes
#define L2CAP_CONF_RESULT_UNKNOWN_OPTIONS 0x0003
// L2CAP Reject Result Codes
#define L2CAP_REJ_CMD_UNKNOWN 0x0000
// Response Timeout eXpired
#define L2CAP_RTX_TIMEOUT_MS 10000
// Extended Response Timeout eXpired
#define L2CAP_ERTX_TIMEOUT_MS 120000
//
// Fixed PSM numbers from https://www.bluetooth.com/specifications/assigned-numbers/logical-link-control
//
// @TODO: replace with BLUETOOTH_PROTOCOL_xxx in rest of code
#define PSM_SDP BLUETOOTH_PROTOCOL_SDP
#define PSM_RFCOMM BLUETOOTH_PROTOCOL_RFCOMM
#define PSM_BNEP BLUETOOTH_PROTOCOL_BNEP
// @TODO: scrape PSMs Bluetooth SIG site and put in bluetooth_psm.h or bluetooth_l2cap.h
#define PSM_HID_CONTROL 0x11
#define PSM_HID_INTERRUPT 0x13
#define PSM_IPSP 0x23
/**
* SDP Protocol
*/
// PDU Types
typedef enum {
SDP_Invalid = 0,
SDP_ErrorResponse = 1,
SDP_ServiceSearchRequest,
SDP_ServiceSearchResponse,
SDP_ServiceAttributeRequest,
SDP_ServiceAttributeResponse,
SDP_ServiceSearchAttributeRequest,
SDP_ServiceSearchAttributeResponse
} SDP_PDU_ID_t;
/* Please use assigned numbers from bluetooth_sdp.h instead for thsese ...*/
// UNIVERSAL ATTRIBUTE DEFINITIONS
#define SDP_ServiceRecordHandle BLUETOOTH_ATTRIBUTE_SERVICE_RECORD_HANDLE
#define SDP_ServiceClassIDList BLUETOOTH_ATTRIBUTE_SERVICE_CLASS_ID_LIST
#define SDP_ServiceRecordState BLUETOOTH_ATTRIBUTE_SERVICE_RECORD_STATE
#define SDP_ServiceID BLUETOOTH_ATTRIBUTE_SERVICE_ID
#define SDP_ProtocolDescriptorList BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST
#define SDP_BrowseGroupList BLUETOOTH_ATTRIBUTE_BROWSE_GROUP_LIST
#define SDP_LanguageBaseAttributeIDList BLUETOOTH_ATTRIBUTE_LANGUAGE_BASE_ATTRIBUTE_ID_LIST
#define SDP_ServiceInfoTimeToLive BLUETOOTH_ATTRIBUTE_SERVICE_INFO_TIME_TO_LIVE
#define SDP_ServiceAvailability BLUETOOTH_ATTRIBUTE_SERVICE_AVAILABILITY
#define SDP_BluetoothProfileDescriptorList BLUETOOTH_ATTRIBUTE_BLUETOOTH_PROFILE_DESCRIPTOR_LIST
#define SDP_DocumentationURL BLUETOOTH_ATTRIBUTE_DOCUMENTATION_URL
#define SDP_ClientExecutableURL BLUETOOTH_ATTRIBUTE_CLIENT_EXECUTABLE_URL
#define SDP_IconURL BLUETOOTH_ATTRIBUTE_ICON_URL
#define SDP_AdditionalProtocolDescriptorList BLUETOOTH_ATTRIBUTE_ADDITIONAL_PROTOCOL_DESCRIPTOR_LISTS
#define SDP_SupportedFormatsList BLUETOOTH_ATTRIBUTE_SUPPORTED_FORMATS_LIST
// SERVICE CLASSES
#define SDP_OBEXObjectPush BLUETOOTH_SERVICE_CLASS_OBEX_OBJECT_PUSH
#define SDP_OBEXFileTransfer BLUETOOTH_SERVICE_CLASS_OBEX_FILE_TRANSFER
#define SDP_PublicBrowseGroup BLUETOOTH_ATTRIBUTE_PUBLIC_BROWSE_ROOT
#define SDP_HSP BLUETOOTH_SERVICE_CLASS_HEADSET
#define SDP_Headset_AG BLUETOOTH_SERVICE_CLASS_HEADSET_AUDIO_GATEWAY_AG
#define SDP_PANU BLUETOOTH_SERVICE_CLASS_PANU
#define SDP_NAP BLUETOOTH_SERVICE_CLASS_NAP
#define SDP_GN BLUETOOTH_SERVICE_CLASS_GN
#define SDP_Handsfree BLUETOOTH_SERVICE_CLASS_HANDSFREE
#define SDP_HandsfreeAudioGateway BLUETOOTH_SERVICE_CLASS_HANDSFREE_AUDIO_GATEWAY
#define SDP_Headset_HS BLUETOOTH_SERVICE_CLASS_HEADSET_HS
#define SDP_GenericAudio BLUETOOTH_SERVICE_CLASS_GENERIC_AUDIO
// PROTOCOLS
#define SDP_SDPProtocol BLUETOOTH_PROTOCOL_SDP
#define SDP_UDPProtocol BLUETOOTH_PROTOCOL_UDP
#define SDP_RFCOMMProtocol BLUETOOTH_PROTOCOL_RFCOMM
#define SDP_OBEXProtocol BLUETOOTH_PROTOCOL_OBEX
#define SDP_L2CAPProtocol BLUETOOTH_PROTOCOL_L2CAP
#define SDP_BNEPProtocol BLUETOOTH_PROTOCOL_BNEP
#define SDP_AVDTPProtocol BLUETOOTH_PROTOCOL_AVDTP
/** .. until here ..*/
// OFFSETS FOR LOCALIZED ATTRIBUTES - SDP_LanguageBaseAttributeIDList
#define SDP_Offest_ServiceName 0x0000
#define SDP_Offest_ServiceDescription 0x0001
#define SDP_Offest_ProviderName 0x0002
// Device Vendor ID Sources
#define DEVICE_ID_VENDOR_ID_SOURCE_BLUETOOTH 0x0001
#define DEVICE_ID_VENDOR_ID_SOURCE_USB 0x0002
// OBEX
#define SDP_vCard_2_1 0x01
#define SDP_vCard_3_0 0x02
#define SDP_vCal_1_0 0x03
#define SDP_iCal_2_0 0x04
#define SDP_vNote 0x05
#define SDP_vMessage 0x06
#define SDP_OBEXFileTypeAny 0xFF
/**
* RFCOMM Protocol
*/
// Control field values bit no. 1 2 3 4 PF 6 7 8
#define BT_RFCOMM_SABM 0x3F // 1 1 1 1 1 1 0 0
#define BT_RFCOMM_UA 0x73 // 1 1 0 0 1 1 1 0
#define BT_RFCOMM_DM 0x0F // 1 1 1 1 0 0 0 0
#define BT_RFCOMM_DM_PF 0x1F // 1 1 1 1 1 0 0 0
#define BT_RFCOMM_DISC 0x53 // 1 1 0 0 1 0 1 0
#define BT_RFCOMM_UIH 0xEF // 1 1 1 1 0 1 1 1
#define BT_RFCOMM_UIH_PF 0xFF // 1 1 1 1 0 1 1 1
// Multiplexer message types
#define BT_RFCOMM_CLD_CMD 0xC3
#define BT_RFCOMM_FCON_CMD 0xA3
#define BT_RFCOMM_FCON_RSP 0xA1
#define BT_RFCOMM_FCOFF_CMD 0x63
#define BT_RFCOMM_FCOFF_RSP 0x61
#define BT_RFCOMM_MSC_CMD 0xE3
#define BT_RFCOMM_MSC_RSP 0xE1
#define BT_RFCOMM_NSC_RSP 0x11
#define BT_RFCOMM_PN_CMD 0x83
#define BT_RFCOMM_PN_RSP 0x81
#define BT_RFCOMM_RLS_CMD 0x53
#define BT_RFCOMM_RLS_RSP 0x51
#define BT_RFCOMM_RPN_CMD 0x93
#define BT_RFCOMM_RPN_RSP 0x91
#define BT_RFCOMM_TEST_CMD 0x23
#define BT_RFCOMM_TEST_RSP 0x21
// Line Status
#define LINE_STATUS_NO_ERROR 0x00
#define LINE_STATUS_OVERRUN_ERROR 0x03
#define LINE_STATUS_PARITY_ERORR 0x05
#define LINE_STATUS_FRAMING_ERROR 0x09
// Modem Status Flags
#define MODEM_STATUS_FC 0x02
#define MODEM_STATUS_RTC 0x04
#define MODEM_STATUS_RTR 0x08
#define MODEM_STATUS_IC 0x40
#define MODEM_STATUS_DV 0x80
typedef enum rpn_baud {
RPN_BAUD_2400 = 0,
RPN_BAUD_4800,
RPN_BAUD_7200,
RPN_BAUD_9600,
RPN_BAUD_19200,
RPN_BAUD_38400,
RPN_BAUD_57600,
RPN_BAUD_115200,
RPN_BAUD_230400
} rpn_baud_t;
typedef enum rpn_data_bits {
RPN_DATA_BITS_5 = 0,
RPN_DATA_BITS_6 = 0,
RPN_DATA_BITS_7 = 0,
RPN_DATA_BITS_8 = 0
} rpn_data_bits_t;
typedef enum rpn_stop_bits {
RPN_STOP_BITS_1_0 = 0,
RPN_STOP_BITS_1_5
} rpn_stop_bits_t;
typedef enum rpn_parity {
RPN_PARITY_NONE = 0,
RPN_PARITY_ODD = 1,
RPN_PARITY_EVEN = 3,
RPN_PARITY_MARK = 5,
RPN_PARITY_SPACE = 7,
} rpn_parity_t;
typedef enum rpn_flow_control {
RPN_FLOW_CONTROL_XONXOFF_ON_INPUT = 1 << 0,
RPN_FLOW_CONTROL_XONXOFF_ON_OUTPUT = 1 << 1,
RPN_FLOW_CONTROL_RTR_ON_INPUT = 1 << 2,
RPN_FLOW_CONTROL_RTR_ON_OUTPUT = 1 << 3,
RPN_FLOW_CONTROL_RTC_ON_INPUT = 1 << 4,
RPN_FLOW_CONTROL_RTC_ON_OUTPUT = 1 << 5,
} rpn_flow_control_t;
#define RPN_PARAM_MASK_0_BAUD 0x01
#define RPN_PARAM_MASK_0_DATA_BITS 0x02
#define RPN_PARAM_MASK_0_STOP_BITS 0x04
#define RPN_PARAM_MASK_0_PARITY 0x08
#define RPN_PARAM_MASK_0_PARITY_TYPE 0x10
#define RPN_PARAM_MASK_0_XON_CHAR 0x20
#define RPN_PARAM_MASK_0_XOFF_CHAR 0x40
#define RPN_PARAM_MASK_0_RESERVED 0x80
// @note: values are identical to rpn_flow_control_t
#define RPN_PARAM_MASK_1_XONOFF_ON_INPUT 0x01
#define RPN_PARAM_MASK_1_XONOFF_ON_OUTPUT 0x02
#define RPN_PARAM_MASK_1_RTR_ON_INPUT 0x04
#define RPN_PARAM_MASK_1_RTR_ON_OUTPUT 0x08
#define RPN_PARAM_MASK_1_RTC_ON_INPUT 0x10
#define RPN_PARAM_MASK_1_RTC_ON_OUTPUT 0x20
#define RPN_PARAM_MASK_1_RESERVED_0 0x40
#define RPN_PARAM_MASK_1_RESERVED_1 0x80
/**
* BNEP Protocol
*/
#ifndef ETHER_ADDR_LEN
#define ETHER_ADDR_LEN 6
#endif
#ifndef ETHERTYPE_VLAN
#define ETHERTYPE_VLAN 0x8100 /* IEEE 802.1Q VLAN tag */
#endif
#define BNEP_MTU_MIN 1691
#define BNEP_EXT_FLAG 0x80
#define BNEP_TYPE_MASK 0x7F
#define BNEP_TYPE(header) ((header) & BNEP_TYPE_MASK)
#define BNEP_HEADER_HAS_EXT(x) (((x) & BNEP_EXT_FLAG) == BNEP_EXT_FLAG)
/* BNEP packet types */
#define BNEP_PKT_TYPE_GENERAL_ETHERNET 0x00
#define BNEP_PKT_TYPE_CONTROL 0x01
#define BNEP_PKT_TYPE_COMPRESSED_ETHERNET 0x02
#define BNEP_PKT_TYPE_COMPRESSED_ETHERNET_SOURCE_ONLY 0x03
#define BNEP_PKT_TYPE_COMPRESSED_ETHERNET_DEST_ONLY 0x04
/* BNEP control types */
#define BNEP_CONTROL_TYPE_COMMAND_NOT_UNDERSTOOD 0x00
#define BNEP_CONTROL_TYPE_SETUP_CONNECTION_REQUEST 0x01
#define BNEP_CONTROL_TYPE_SETUP_CONNECTION_RESPONSE 0x02
#define BNEP_CONTROL_TYPE_FILTER_NET_TYPE_SET 0x03
#define BNEP_CONTROL_TYPE_FILTER_NET_TYPE_RESPONSE 0x04
#define BNEP_CONTROL_TYPE_FILTER_MULTI_ADDR_SET 0x05
#define BNEP_CONTROL_TYPE_FILTER_MULTI_ADDR_RESPONSE 0x06
/* BNEP extension header types */
#define BNEP_EXT_HEADER_TYPE_EXTENSION_CONTROL 0x00
/* BNEP setup response codes */
#define BNEP_RESP_SETUP_SUCCESS 0x0000
#define BNEP_RESP_SETUP_INVALID_DEST_UUID 0x0001
#define BNEP_RESP_SETUP_INVALID_SOURCE_UUID 0x0002
#define BNEP_RESP_SETUP_INVALID_SERVICE_UUID_SIZE 0x0003
#define BNEP_RESP_SETUP_CONNECTION_NOT_ALLOWED 0x0004
/* BNEP filter response codes */
#define BNEP_RESP_FILTER_SUCCESS 0x0000
#define BNEP_RESP_FILTER_UNSUPPORTED_REQUEST 0x0001
#define BNEP_RESP_FILTER_ERR_INVALID_RANGE 0x0002
#define BNEP_RESP_FILTER_ERR_TOO_MANY_FILTERS 0x0003
#define BNEP_RESP_FILTER_ERR_SECURITY 0x0004
/**
* PAN Profile
*/
typedef enum {
BNEP_SECURITY_NONE = 0x0000,
BNEP_SECURITY_SERVICE_LEVEL_ENFORCED,
BNEP_SECURITY_802_1X
} security_description_t;
typedef enum {
PAN_NET_ACCESS_TYPE_PSTN = 0x0000,
PAN_NET_ACCESS_TYPE_ISDN,
PAN_NET_ACCESS_TYPE_DSL,
PAN_NET_ACCESS_TYPE_CABLE_MODEM,
PAN_NET_ACCESS_TYPE_10MB_ETHERNET,
PAN_NET_ACCESS_TYPE_100MB_ETHERNET,
PAN_NET_ACCESS_TYPE_4MB_TOKEN_RING,
PAN_NET_ACCESS_TYPE_16MB_TOKEN_RING,
PAN_NET_ACCESS_TYPE_100MB_TOKEN_RING,
PAN_NET_ACCESS_TYPE_FDDI,
PAN_NET_ACCESS_TYPE_GSM,
PAN_NET_ACCESS_TYPE_CDMA,
PAN_NET_ACCESS_TYPE_GPRS,
PAN_NET_ACCESS_TYPE_3G,
PAN_NET_ACCESS_TYPE_CELULAR,
PAN_NET_ACCESS_TYPE_OTHER = 0xFFFE,
PAN_NET_ACCESS_TYPE_NONE
} net_access_type_t;
/**
* ATT
*/
// Minimum/default MTU
#define ATT_DEFAULT_MTU 23
// MARK: Attribute PDU Opcodes
#define ATT_ERROR_RESPONSE 0x01
#define ATT_EXCHANGE_MTU_REQUEST 0x02
#define ATT_EXCHANGE_MTU_RESPONSE 0x03
#define ATT_FIND_INFORMATION_REQUEST 0x04
#define ATT_FIND_INFORMATION_REPLY 0x05
#define ATT_FIND_BY_TYPE_VALUE_REQUEST 0x06
#define ATT_FIND_BY_TYPE_VALUE_RESPONSE 0x07
#define ATT_READ_BY_TYPE_REQUEST 0x08
#define ATT_READ_BY_TYPE_RESPONSE 0x09
#define ATT_READ_REQUEST 0x0a
#define ATT_READ_RESPONSE 0x0b
#define ATT_READ_BLOB_REQUEST 0x0c
#define ATT_READ_BLOB_RESPONSE 0x0d
#define ATT_READ_MULTIPLE_REQUEST 0x0e
#define ATT_READ_MULTIPLE_RESPONSE 0x0f
#define ATT_READ_BY_GROUP_TYPE_REQUEST 0x10
#define ATT_READ_BY_GROUP_TYPE_RESPONSE 0x11
#define ATT_WRITE_REQUEST 0x12
#define ATT_WRITE_RESPONSE 0x13
#define ATT_PREPARE_WRITE_REQUEST 0x16
#define ATT_PREPARE_WRITE_RESPONSE 0x17
#define ATT_EXECUTE_WRITE_REQUEST 0x18
#define ATT_EXECUTE_WRITE_RESPONSE 0x19
#define ATT_HANDLE_VALUE_NOTIFICATION 0x1b
#define ATT_HANDLE_VALUE_INDICATION 0x1d
#define ATT_HANDLE_VALUE_CONFIRMATION 0x1e
#define ATT_WRITE_COMMAND 0x52
#define ATT_SIGNED_WRITE_COMMAND 0xD2
// MARK: ATT Error Codes
#define ATT_ERROR_INVALID_HANDLE 0x01
#define ATT_ERROR_READ_NOT_PERMITTED 0x02
#define ATT_ERROR_WRITE_NOT_PERMITTED 0x03
#define ATT_ERROR_INVALID_PDU 0x04
#define ATT_ERROR_INSUFFICIENT_AUTHENTICATION 0x05
#define ATT_ERROR_REQUEST_NOT_SUPPORTED 0x06
#define ATT_ERROR_INVALID_OFFSET 0x07
#define ATT_ERROR_INSUFFICIENT_AUTHORIZATION 0x08
#define ATT_ERROR_PREPARE_QUEUE_FULL 0x09
#define ATT_ERROR_ATTRIBUTE_NOT_FOUND 0x0a
#define ATT_ERROR_ATTRIBUTE_NOT_LONG 0x0b
#define ATT_ERROR_INSUFFICIENT_ENCRYPTION_KEY_SIZE 0x0c
#define ATT_ERROR_INVALID_ATTRIBUTE_VALUE_LENGTH 0x0d
#define ATT_ERROR_UNLIKELY_ERROR 0x0e
#define ATT_ERROR_INSUFFICIENT_ENCRYPTION 0x0f
#define ATT_ERROR_UNSUPPORTED_GROUP_TYPE 0x10
#define ATT_ERROR_INSUFFICIENT_RESOURCES 0x11
// MARK: Attribute Property Flags
#define ATT_PROPERTY_BROADCAST 0x01
#define ATT_PROPERTY_READ 0x02
#define ATT_PROPERTY_WRITE_WITHOUT_RESPONSE 0x04
#define ATT_PROPERTY_WRITE 0x08
#define ATT_PROPERTY_NOTIFY 0x10
#define ATT_PROPERTY_INDICATE 0x20
#define ATT_PROPERTY_AUTHENTICATED_SIGNED_WRITE 0x40
#define ATT_PROPERTY_EXTENDED_PROPERTIES 0x80
// MARK: Attribute Property Flag, BTstack extension
// value is asked from client
#define ATT_PROPERTY_DYNAMIC 0x100
// 128 bit UUID used
#define ATT_PROPERTY_UUID128 0x200
// Authentication required
#define ATT_PROPERTY_AUTHENTICATION_REQUIRED 0x400
// Authorization from user required
#define ATT_PROPERTY_AUTHORIZATION_REQUIRED 0x800
// Encryption key size stored in upper 4 bits, 0 == no encryption, encryption key size - 1 otherwise
// ATT Transaction Timeout of 30 seconds for Command/Response or Incidationc/Confirmation
#define ATT_TRANSACTION_TIMEOUT_MS 30000
#define ATT_TRANSACTION_MODE_NONE 0x0
#define ATT_TRANSACTION_MODE_ACTIVE 0x1
#define ATT_TRANSACTION_MODE_EXECUTE 0x2
#define ATT_TRANSACTION_MODE_CANCEL 0x3
// MARK: GATT UUIDs
#define GATT_PRIMARY_SERVICE_UUID 0x2800
#define GATT_SECONDARY_SERVICE_UUID 0x2801
#define GATT_INCLUDE_SERVICE_UUID 0x2802
#define GATT_CHARACTERISTICS_UUID 0x2803
#define GATT_CHARACTERISTIC_EXTENDED_PROPERTIES 0x2900
#define GATT_CHARACTERISTIC_USER_DESCRIPTION 0x2901
#define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION 0x2902
#define GATT_SERVER_CHARACTERISTICS_CONFIGURATION 0x2903
#define GATT_CHARACTERISTIC_PRESENTATION_FORMAT 0x2904
#define GATT_CHARACTERISTIC_AGGREGATE_FORMAT 0x2905
#define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NONE 0
#define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_NOTIFICATION 1
#define GATT_CLIENT_CHARACTERISTICS_CONFIGURATION_INDICATION 2
// GAP Service and Characteristics
#define GAP_SERVICE_UUID 0x1800
#define GAP_DEVICE_NAME_UUID 0x2a00
#define GAP_APPEARANCE_UUID 0x2a01
#define GAP_PERIPHERAL_PRIVACY_FLAG 0x2a02
#define GAP_RECONNECTION_ADDRESS_UUID 0x2a03
#define GAP_PERIPHERAL_PREFERRED_CONNECTION_PARAMETERS_UUID 0x2a04
#define GAP_SERVICE_CHANGED 0x2a05
/**
* SM - LE Security Manager
*/
// Bluetooth Spec definitions
typedef enum {
SM_CODE_PAIRING_REQUEST = 0X01,
SM_CODE_PAIRING_RESPONSE,
SM_CODE_PAIRING_CONFIRM,
SM_CODE_PAIRING_RANDOM,
SM_CODE_PAIRING_FAILED,
SM_CODE_ENCRYPTION_INFORMATION,
SM_CODE_MASTER_IDENTIFICATION,
SM_CODE_IDENTITY_INFORMATION,
SM_CODE_IDENTITY_ADDRESS_INFORMATION,
SM_CODE_SIGNING_INFORMATION,
SM_CODE_SECURITY_REQUEST,
SM_CODE_PAIRING_PUBLIC_KEY,
SM_CODE_PAIRING_DHKEY_CHECK,
SM_CODE_KEYPRESS_NOTIFICATION,
} SECURITY_MANAGER_COMMANDS;
// IO Capability Values
typedef enum {
IO_CAPABILITY_DISPLAY_ONLY = 0,
IO_CAPABILITY_DISPLAY_YES_NO,
IO_CAPABILITY_KEYBOARD_ONLY,
IO_CAPABILITY_NO_INPUT_NO_OUTPUT,
IO_CAPABILITY_KEYBOARD_DISPLAY, // not used by secure simple pairing
} io_capability_t;
// Authentication requirement flags
#define SM_AUTHREQ_NO_BONDING 0x00
#define SM_AUTHREQ_BONDING 0x01
#define SM_AUTHREQ_MITM_PROTECTION 0x04
#define SM_AUTHREQ_SECURE_CONNECTION 0x08
#define SM_AUTHREQ_KEYPRESS 0x10
// Key distribution flags used by spec
#define SM_KEYDIST_ENC_KEY 0x01
#define SM_KEYDIST_ID_KEY 0x02
#define SM_KEYDIST_SIGN 0x04
#define SM_KEYDIST_LINK_KEY 0x08
// Key distribution flags used internally
#define SM_KEYDIST_FLAG_ENCRYPTION_INFORMATION 0x01
#define SM_KEYDIST_FLAG_MASTER_IDENTIFICATION 0x02
#define SM_KEYDIST_FLAG_IDENTITY_INFORMATION 0x04
#define SM_KEYDIST_FLAG_IDENTITY_ADDRESS_INFORMATION 0x08
#define SM_KEYDIST_FLAG_SIGNING_IDENTIFICATION 0x10
// STK Generation Methods
#define SM_STK_GENERATION_METHOD_JUST_WORKS 0x01
#define SM_STK_GENERATION_METHOD_OOB 0x02
#define SM_STK_GENERATION_METHOD_PASSKEY 0x04
#define SM_STK_GENERATION_METHOD_NUMERIC_COMPARISON 0x08
// Pairing Failed Reasons
#define SM_REASON_RESERVED 0x00
#define SM_REASON_PASSKEYT_ENTRY_FAILED 0x01
#define SM_REASON_OOB_NOT_AVAILABLE 0x02
#define SM_REASON_AUTHENTHICATION_REQUIREMENTS 0x03
#define SM_REASON_CONFIRM_VALUE_FAILED 0x04
#define SM_REASON_PAIRING_NOT_SUPPORTED 0x05
#define SM_REASON_ENCRYPTION_KEY_SIZE 0x06
#define SM_REASON_COMMAND_NOT_SUPPORTED 0x07
#define SM_REASON_UNSPECIFIED_REASON 0x08
#define SM_REASON_REPEATED_ATTEMPTS 0x09
#define SM_REASON_INVALID_PARAMETERS 0x0a
#define SM_REASON_DHKEY_CHECK_FAILED 0x0b
#define SM_REASON_NUMERIC_COMPARISON_FAILED 0x0c
// also, invalid parameters
// and reserved
// Keypress Notifications
#define SM_KEYPRESS_PASSKEY_ENTRY_STARTED 0x00
#define SM_KEYPRESS_PASSKEY_DIGIT_ENTERED 0x01
#define SM_KEYPRESS_PASSKEY_DIGIT_ERASED 0x02
#define SM_KEYPRESS_PASSKEY_CLEARED 0x03
#define SM_KEYPRESS_PASSKEY_ENTRY_COMPLETED 0x04
#endif
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