| # Copyright 2021-2022 Google LLC |
| # |
| # Licensed 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 |
| # |
| # https://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. |
| |
| # ----------------------------------------------------------------------------- |
| # Imports |
| # ----------------------------------------------------------------------------- |
| import struct |
| |
| from .company_ids import COMPANY_IDENTIFIERS |
| |
| |
| # ----------------------------------------------------------------------------- |
| # Constants |
| # ----------------------------------------------------------------------------- |
| BT_CENTRAL_ROLE = 0 |
| BT_PERIPHERAL_ROLE = 1 |
| |
| BT_BR_EDR_TRANSPORT = 0 |
| BT_LE_TRANSPORT = 1 |
| |
| |
| # ----------------------------------------------------------------------------- |
| # Utils |
| # ----------------------------------------------------------------------------- |
| def bit_flags_to_strings(bits, bit_flag_names): |
| names = [] |
| index = 0 |
| while bits != 0: |
| if bits & 1: |
| name = bit_flag_names[index] if index < len(bit_flag_names) else f'#{index}' |
| names.append(name) |
| bits >>= 1 |
| index += 1 |
| |
| return names |
| |
| |
| def name_or_number(dictionary, number, width=2): |
| name = dictionary.get(number) |
| if name is not None: |
| return name |
| return f'[0x{number:0{width}X}]' |
| |
| |
| def padded_bytes(buffer, size): |
| padding_size = max(size - len(buffer), 0) |
| return buffer + bytes(padding_size) |
| |
| |
| # ----------------------------------------------------------------------------- |
| # Exceptions |
| # ----------------------------------------------------------------------------- |
| class BaseError(Exception): |
| """ Base class for errors with an error code, error name and namespace""" |
| def __init__(self, error_code, error_namespace='', error_name='', details=''): |
| super().__init__() |
| self.error_code = error_code |
| self.error_namespace = error_namespace |
| self.error_name = error_name |
| self.details = details |
| |
| def __str__(self): |
| if self.error_namespace: |
| namespace = f'{self.error_namespace}/' |
| else: |
| namespace = '' |
| if self.error_name: |
| name = f'{self.error_name} [0x{self.error_code:X}]' |
| else: |
| name = f'0x{self.error_code:X}' |
| |
| return f'{type(self).__name__}({namespace}{name})' |
| |
| |
| class ProtocolError(BaseError): |
| """ Protocol Error """ |
| |
| |
| class TimeoutError(Exception): |
| """ Timeout Error """ |
| |
| |
| class InvalidStateError(Exception): |
| """ Invalid State Error """ |
| |
| |
| class ConnectionError(BaseError): |
| """ Connection Error """ |
| FAILURE = 0x01 |
| CONNECTION_REFUSED = 0x02 |
| |
| |
| # ----------------------------------------------------------------------------- |
| # UUID |
| # |
| # NOTE: the internal byte representation is in little-endian byte order |
| # |
| # Base UUID: 00000000-0000-1000-8000- 00805F9B34FB |
| # ----------------------------------------------------------------------------- |
| class UUID: |
| ''' |
| See Bluetooth spec Vol 3, Part B - 2.5.1 UUID |
| ''' |
| BASE_UUID = bytes.fromhex('00001000800000805F9B34FB') |
| UUIDS = [] # Registry of all instances created |
| |
| def __init__(self, uuid_str_or_int, name = None): |
| if type(uuid_str_or_int) is int: |
| self.uuid_bytes = struct.pack('<H', uuid_str_or_int) |
| else: |
| if len(uuid_str_or_int) == 36: |
| if uuid_str_or_int[8] != '-' or uuid_str_or_int[13] != '-' or uuid_str_or_int[18] != '-' or uuid_str_or_int[23] != '-': |
| raise ValueError('invalid UUID format') |
| uuid_str = uuid_str_or_int.replace('-', '') |
| else: |
| uuid_str = uuid_str_or_int |
| if len(uuid_str) != 32 and len(uuid_str) != 8 and len(uuid_str) != 4: |
| raise ValueError('invalid UUID format') |
| self.uuid_bytes = bytes(reversed(bytes.fromhex(uuid_str))) |
| self.name = name |
| |
| def register(self): |
| # Register this object in the class registry, and update the entry's name if it wasn't set already |
| for uuid in self.UUIDS: |
| if self == uuid: |
| if uuid.name is None: |
| uuid.name = self.name |
| return uuid |
| |
| self.UUIDS.append(self) |
| return self |
| |
| @classmethod |
| def from_bytes(cls, uuid_bytes, name = None): |
| if len(uuid_bytes) in {2, 4, 16}: |
| self = cls.__new__(cls) |
| self.uuid_bytes = uuid_bytes |
| self.name = name |
| |
| return self.register() |
| else: |
| raise ValueError('only 2, 4 and 16 bytes are allowed') |
| |
| @classmethod |
| def from_16_bits(cls, uuid_16, name = None): |
| return cls.from_bytes(struct.pack('<H', uuid_16), name) |
| |
| @classmethod |
| def from_32_bits(cls, uuid_32, name = None): |
| return cls.from_bytes(struct.pack('<I', uuid_32), name) |
| |
| @classmethod |
| def parse_uuid(cls, bytes, offset): |
| return len(bytes), cls.from_bytes(bytes[offset:]) |
| |
| @classmethod |
| def parse_uuid_2(cls, bytes, offset): |
| return offset + 2, cls.from_bytes(bytes[offset:offset + 2]) |
| |
| def to_bytes(self, force_128 = False): |
| if len(self.uuid_bytes) == 16 or not force_128: |
| return self.uuid_bytes |
| elif len(self.uuid_bytes) == 4: |
| return self.uuid_bytes + UUID.BASE_UUID |
| else: |
| return self.uuid_bytes + bytes([0, 0]) + UUID.BASE_UUID |
| |
| def to_pdu_bytes(self): |
| ''' |
| Convert to bytes for use in an ATT PDU. |
| According to Vol 3, Part F - 3.2.1 Attribute Type: |
| "All 32-bit Attribute UUIDs shall be converted to 128-bit UUIDs when the |
| Attribute UUID is contained in an ATT PDU." |
| ''' |
| return self.to_bytes(force_128 = (len(self.uuid_bytes) == 4)) |
| |
| def to_hex_str(self): |
| if len(self.uuid_bytes) == 2 or len(self.uuid_bytes) == 4: |
| return bytes(reversed(self.uuid_bytes)).hex().upper() |
| else: |
| return ''.join([ |
| bytes(reversed(self.uuid_bytes[12:16])).hex(), |
| bytes(reversed(self.uuid_bytes[10:12])).hex(), |
| bytes(reversed(self.uuid_bytes[8:10])).hex(), |
| bytes(reversed(self.uuid_bytes[6:8])).hex(), |
| bytes(reversed(self.uuid_bytes[0:6])).hex() |
| ]).upper() |
| |
| def __bytes__(self): |
| return self.to_bytes() |
| |
| def __eq__(self, other): |
| if isinstance(other, UUID): |
| return self.to_bytes(force_128 = True) == other.to_bytes(force_128 = True) |
| elif type(other) is str: |
| return UUID(other) == self |
| |
| return False |
| |
| def __hash__(self): |
| return hash(self.uuid_bytes) |
| |
| def __str__(self): |
| if len(self.uuid_bytes) == 2: |
| v = struct.unpack('<H', self.uuid_bytes)[0] |
| result = f'UUID-16:{v:04X}' |
| elif len(self.uuid_bytes) == 4: |
| v = struct.unpack('<I', self.uuid_bytes)[0] |
| result = f'UUID-32:{v:08X}' |
| else: |
| result = '-'.join([ |
| bytes(reversed(self.uuid_bytes[12:16])).hex(), |
| bytes(reversed(self.uuid_bytes[10:12])).hex(), |
| bytes(reversed(self.uuid_bytes[8:10])).hex(), |
| bytes(reversed(self.uuid_bytes[6:8])).hex(), |
| bytes(reversed(self.uuid_bytes[0:6])).hex() |
| ]).upper() |
| if self.name is not None: |
| return result + f' ({self.name})' |
| else: |
| return result |
| |
| def __repr__(self): |
| return str(self) |
| |
| |
| # ----------------------------------------------------------------------------- |
| # Common UUID constants |
| # ----------------------------------------------------------------------------- |
| |
| # Protocol Identifiers |
| BT_SDP_PROTOCOL_ID = UUID.from_16_bits(0x0001, 'SDP') |
| BT_UDP_PROTOCOL_ID = UUID.from_16_bits(0x0002, 'UDP') |
| BT_RFCOMM_PROTOCOL_ID = UUID.from_16_bits(0x0003, 'RFCOMM') |
| BT_TCP_PROTOCOL_ID = UUID.from_16_bits(0x0004, 'TCP') |
| BT_TCS_BIN_PROTOCOL_ID = UUID.from_16_bits(0x0005, 'TCP-BIN') |
| BT_TCS_AT_PROTOCOL_ID = UUID.from_16_bits(0x0006, 'TCS-AT') |
| BT_ATT_PROTOCOL_ID = UUID.from_16_bits(0x0007, 'ATT') |
| BT_OBEX_PROTOCOL_ID = UUID.from_16_bits(0x0008, 'OBEX') |
| BT_IP_PROTOCOL_ID = UUID.from_16_bits(0x0009, 'IP') |
| BT_FTP_PROTOCOL_ID = UUID.from_16_bits(0x000A, 'FTP') |
| BT_HTTP_PROTOCOL_ID = UUID.from_16_bits(0x000C, 'HTTP') |
| BT_WSP_PROTOCOL_ID = UUID.from_16_bits(0x000E, 'WSP') |
| BT_BNEP_PROTOCOL_ID = UUID.from_16_bits(0x000F, 'BNEP') |
| BT_UPNP_PROTOCOL_ID = UUID.from_16_bits(0x0010, 'UPNP') |
| BT_HIDP_PROTOCOL_ID = UUID.from_16_bits(0x0011, 'HIDP') |
| BT_HARDCOPY_CONTROL_CHANNEL_PROTOCOL_ID = UUID.from_16_bits(0x0012, 'HardcopyControlChannel') |
| BT_HARDCOPY_DATA_CHANNEL_PROTOCOL_ID = UUID.from_16_bits(0x0014, 'HardcopyDataChannel') |
| BT_HARDCOPY_NOTIFICATION_PROTOCOL_ID = UUID.from_16_bits(0x0016, 'HardcopyNotification') |
| BT_AVTCP_PROTOCOL_ID = UUID.from_16_bits(0x0017, 'AVCTP') |
| BT_AVDTP_PROTOCOL_ID = UUID.from_16_bits(0x0019, 'AVDTP') |
| BT_CMTP_PROTOCOL_ID = UUID.from_16_bits(0x001B, 'CMTP') |
| BT_MCAP_CONTROL_CHANNEL_PROTOCOL_ID = UUID.from_16_bits(0x001E, 'MCAPControlChannel') |
| BT_MCAP_DATA_CHANNEL_PROTOCOL_ID = UUID.from_16_bits(0x001F, 'MCAPDataChannel') |
| BT_L2CAP_PROTOCOL_ID = UUID.from_16_bits(0x0100, 'L2CAP') |
| |
| # Service Classes and Profiles |
| BT_SERVICE_DISCOVERY_SERVER_SERVICE_CLASS_ID_SERVICE = UUID.from_16_bits(0x1000, 'ServiceDiscoveryServerServiceClassID') |
| BT_BROWSE_GROUP_DESCRIPTOR_SERVICE_CLASS_ID_SERVICE = UUID.from_16_bits(0x1001, 'BrowseGroupDescriptorServiceClassID') |
| BT_SERIAL_PORT_SERVICE = UUID.from_16_bits(0x1101, 'SerialPort') |
| BT_LAN_ACCESS_USING_PPP_SERVICE = UUID.from_16_bits(0x1102, 'LANAccessUsingPPP') |
| BT_DIALUP_NETWORKING_SERVICE = UUID.from_16_bits(0x1103, 'DialupNetworking') |
| BT_IR_MCSYNC_SERVICE = UUID.from_16_bits(0x1104, 'IrMCSync') |
| BT_OBEX_OBJECT_PUSH_SERVICE = UUID.from_16_bits(0x1105, 'OBEXObjectPush') |
| BT_OBEX_FILE_TRANSFER_SERVICE = UUID.from_16_bits(0x1106, 'OBEXFileTransfer') |
| BT_IR_MCSYNC_COMMAND_SERVICE = UUID.from_16_bits(0x1107, 'IrMCSyncCommand') |
| BT_HEADSET_SERVICE = UUID.from_16_bits(0x1108, 'Headset') |
| BT_CORDLESS_TELEPHONY_SERVICE = UUID.from_16_bits(0x1109, 'CordlessTelephony') |
| BT_AUDIO_SOURCE_SERVICE = UUID.from_16_bits(0x110A, 'AudioSource') |
| BT_AUDIO_SINK_SERVICE = UUID.from_16_bits(0x110B, 'AudioSink') |
| BT_AV_REMOTE_CONTROL_TARGET_SERVICE = UUID.from_16_bits(0x110C, 'A/V_RemoteControlTarget') |
| BT_ADVANCED_AUDIO_DISTRIBUTION_SERVICE = UUID.from_16_bits(0x110D, 'AdvancedAudioDistribution') |
| BT_AV_REMOTE_CONTROL_SERVICE = UUID.from_16_bits(0x110E, 'A/V_RemoteControl') |
| BT_AV_REMOTE_CONTROL_CONTROLLER_SERVICE = UUID.from_16_bits(0x110F, 'A/V_RemoteControlController') |
| BT_INTERCOM_SERVICE = UUID.from_16_bits(0x1110, 'Intercom') |
| BT_FAX_SERVICE = UUID.from_16_bits(0x1111, 'Fax') |
| BT_HEADSET_AUDIO_GATEWAY_SERVICE = UUID.from_16_bits(0x1112, 'Headset - Audio Gateway') |
| BT_WAP_SERVICE = UUID.from_16_bits(0x1113, 'WAP') |
| BT_WAP_CLIENT_SERVICE = UUID.from_16_bits(0x1114, 'WAP_CLIENT') |
| BT_PANU_SERVICE = UUID.from_16_bits(0x1115, 'PANU') |
| BT_NAP_SERVICE = UUID.from_16_bits(0x1116, 'NAP') |
| BT_GN_SERVICE = UUID.from_16_bits(0x1117, 'GN') |
| BT_DIRECT_PRINTING_SERVICE = UUID.from_16_bits(0x1118, 'DirectPrinting') |
| BT_REFERENCE_PRINTING_SERVICE = UUID.from_16_bits(0x1119, 'ReferencePrinting') |
| BT_BASIC_IMAGING_PROFILE_SERVICE = UUID.from_16_bits(0x111A, 'Basic Imaging Profile') |
| BT_IMAGING_RESPONDER_SERVICE = UUID.from_16_bits(0x111B, 'ImagingResponder') |
| BT_IMAGING_AUTOMATIC_ARCHIVE_SERVICE = UUID.from_16_bits(0x111C, 'ImagingAutomaticArchive') |
| BT_IMAGING_REFERENCED_OBJECTS_SERVICE = UUID.from_16_bits(0x111D, 'ImagingReferencedObjects') |
| BT_HANDSFREE_SERVICE = UUID.from_16_bits(0x111E, 'Handsfree') |
| BT_HANDSFREE_AUDIO_GATEWAY_SERVICE = UUID.from_16_bits(0x111F, 'HandsfreeAudioGateway') |
| BT_DIRECT_PRINTING_REFERENCE_OBJECTS_SERVICE = UUID.from_16_bits(0x1120, 'DirectPrintingReferenceObjectsService') |
| BT_REFLECTED_UI_SERVICE = UUID.from_16_bits(0x1121, 'ReflectedUI') |
| BT_BASIC_PRINTING_SERVICE = UUID.from_16_bits(0x1122, 'BasicPrinting') |
| BT_PRINTING_STATUS_SERVICE = UUID.from_16_bits(0x1123, 'PrintingStatus') |
| BT_HUMAN_INTERFACE_DEVICE_SERVICE = UUID.from_16_bits(0x1124, 'HumanInterfaceDeviceService') |
| BT_HARDCOPY_CABLE_REPLACEMENT_SERVICE = UUID.from_16_bits(0x1125, 'HardcopyCableReplacement') |
| BT_HCR_PRINT_SERVICE = UUID.from_16_bits(0x1126, 'HCR_Print') |
| BT_HCR_SCAN_SERVICE = UUID.from_16_bits(0x1127, 'HCR_Scan') |
| BT_COMMON_ISDN_ACCESS_SERVICE = UUID.from_16_bits(0x1128, 'Common_ISDN_Access') |
| BT_SIM_ACCESS_SERVICE = UUID.from_16_bits(0x112D, 'SIM_Access') |
| BT_PHONEBOOK_ACCESS_PCE_SERVICE = UUID.from_16_bits(0x112E, 'Phonebook Access - PCE') |
| BT_PHONEBOOK_ACCESS_PSE_SERVICE = UUID.from_16_bits(0x112F, 'Phonebook Access - PSE') |
| BT_PHONEBOOK_ACCESS_SERVICE = UUID.from_16_bits(0x1130, 'Phonebook Access') |
| BT_HEADSET_HS_SERVICE = UUID.from_16_bits(0x1131, 'Headset - HS') |
| BT_MESSAGE_ACCESS_SERVER_SERVICE = UUID.from_16_bits(0x1132, 'Message Access Server') |
| BT_MESSAGE_NOTIFICATION_SERVER_SERVICE = UUID.from_16_bits(0x1133, 'Message Notification Server') |
| BT_MESSAGE_ACCESS_PROFILE_SERVICE = UUID.from_16_bits(0x1134, 'Message Access Profile') |
| BT_GNSS_SERVICE = UUID.from_16_bits(0x1135, 'GNSS') |
| BT_GNSS_SERVER_SERVICE = UUID.from_16_bits(0x1136, 'GNSS_Server') |
| BT_3D_DISPLAY_SERVICE = UUID.from_16_bits(0x1137, '3D Display') |
| BT_3D_GLASSES_SERVICE = UUID.from_16_bits(0x1138, '3D Glasses') |
| BT_3D_SYNCHRONIZATION_SERVICE = UUID.from_16_bits(0x1139, '3D Synchronization') |
| BT_MPS_PROFILE_SERVICE = UUID.from_16_bits(0x113A, 'MPS Profile') |
| BT_MPS_SC_SERVICE = UUID.from_16_bits(0x113B, 'MPS SC') |
| BT_ACCESS_SERVICE_SERVICE = UUID.from_16_bits(0x113C, 'CTN Access Service') |
| BT_CTN_NOTIFICATION_SERVICE_SERVICE = UUID.from_16_bits(0x113D, 'CTN Notification Service') |
| BT_CTN_PROFILE_SERVICE = UUID.from_16_bits(0x113E, 'CTN Profile') |
| BT_PNP_INFORMATION_SERVICE = UUID.from_16_bits(0x1200, 'PnPInformation') |
| BT_GENERIC_NETWORKING_SERVICE = UUID.from_16_bits(0x1201, 'GenericNetworking') |
| BT_GENERIC_FILE_TRANSFER_SERVICE = UUID.from_16_bits(0x1202, 'GenericFileTransfer') |
| BT_GENERIC_AUDIO_SERVICE = UUID.from_16_bits(0x1203, 'GenericAudio') |
| BT_GENERIC_TELEPHONY_SERVICE = UUID.from_16_bits(0x1204, 'GenericTelephony') |
| BT_UPNP_SERVICE = UUID.from_16_bits(0x1205, 'UPNP_Service') |
| BT_UPNP_IP_SERVICE = UUID.from_16_bits(0x1206, 'UPNP_IP_Service') |
| BT_ESDP_UPNP_IP_PAN_SERVICE = UUID.from_16_bits(0x1300, 'ESDP_UPNP_IP_PAN') |
| BT_ESDP_UPNP_IP_LAP_SERVICE = UUID.from_16_bits(0x1301, 'ESDP_UPNP_IP_LAP') |
| BT_ESDP_UPNP_L2CAP_SERVICE = UUID.from_16_bits(0x1302, 'ESDP_UPNP_L2CAP') |
| BT_VIDEO_SOURCE_SERVICE = UUID.from_16_bits(0x1303, 'VideoSource') |
| BT_VIDEO_SINK_SERVICE = UUID.from_16_bits(0x1304, 'VideoSink') |
| BT_VIDEO_DISTRIBUTION_SERVICE = UUID.from_16_bits(0x1305, 'VideoDistribution') |
| BT_HDP_SERVICE = UUID.from_16_bits(0x1400, 'HDP') |
| BT_HDP_SOURCE_SERVICE = UUID.from_16_bits(0x1401, 'HDP Source') |
| BT_HDP_SINK_SERVICE = UUID.from_16_bits(0x1402, 'HDP Sink') |
| |
| |
| # ----------------------------------------------------------------------------- |
| # DeviceClass |
| # ----------------------------------------------------------------------------- |
| class DeviceClass: |
| # Major Service Classes (flags combined with OR) |
| LIMITED_DISCOVERABLE_MODE_SERVICE_CLASS = (1 << 0) |
| LE_AUDIO_SERVICE_CLASS = (1 << 1) |
| RESERVED = (1 << 2) |
| POSITIONING_SERVICE_CLASS = (1 << 3) |
| NETWORKING_SERVICE_CLASS = (1 << 4) |
| RENDERING_SERVICE_CLASS = (1 << 5) |
| CAPTURING_SERVICE_CLASS = (1 << 6) |
| OBJECT_TRANSFER_SERVICE_CLASS = (1 << 7) |
| AUDIO_SERVICE_CLASS = (1 << 8) |
| TELEPHONY_SERVICE_CLASS = (1 << 9) |
| INFORMATION_SERVICE_CLASS = (1 << 10) |
| |
| SERVICE_CLASS_LABELS = [ |
| 'Limited Discoverable Mode', |
| 'LE audio', |
| '(reserved)', |
| 'Positioning', |
| 'Networking', |
| 'Rendering', |
| 'Capturing', |
| 'Object Transfer', |
| 'Audio', |
| 'Telephony', |
| 'Information' |
| ] |
| |
| # Major Device Classes |
| MISCELLANEOUS_MAJOR_DEVICE_CLASS = 0x00 |
| COMPUTER_MAJOR_DEVICE_CLASS = 0x01 |
| PHONE_MAJOR_DEVICE_CLASS = 0x02 |
| LAN_NETWORK_ACCESS_POINT_MAJOR_DEVICE_CLASS = 0x03 |
| AUDIO_VIDEO_MAJOR_DEVICE_CLASS = 0x04 |
| PERIPHERAL_MAJOR_DEVICE_CLASS = 0x05 |
| IMAGING_MAJOR_DEVICE_CLASS = 0x06 |
| WEARABLE_MAJOR_DEVICE_CLASS = 0x07 |
| TOY_MAJOR_DEVICE_CLASS = 0x08 |
| HEALTH_MAJOR_DEVICE_CLASS = 0x09 |
| UNCATEGORIZED_MAJOR_DEVICE_CLASS = 0x1F |
| |
| MAJOR_DEVICE_CLASS_NAMES = { |
| MISCELLANEOUS_MAJOR_DEVICE_CLASS: 'Miscellaneous', |
| COMPUTER_MAJOR_DEVICE_CLASS: 'Computer', |
| PHONE_MAJOR_DEVICE_CLASS: 'Phone', |
| LAN_NETWORK_ACCESS_POINT_MAJOR_DEVICE_CLASS: 'LAN/Network Access Point', |
| AUDIO_VIDEO_MAJOR_DEVICE_CLASS: 'Audio/Video', |
| PERIPHERAL_MAJOR_DEVICE_CLASS: 'Peripheral', |
| IMAGING_MAJOR_DEVICE_CLASS: 'Imaging', |
| WEARABLE_MAJOR_DEVICE_CLASS: 'Wearable', |
| TOY_MAJOR_DEVICE_CLASS: 'Toy', |
| HEALTH_MAJOR_DEVICE_CLASS: 'Health', |
| UNCATEGORIZED_MAJOR_DEVICE_CLASS: 'Uncategorized' |
| } |
| |
| COMPUTER_UNCATEGORIZED_MINOR_DEVICE_CLASS = 0x00 |
| COMPUTER_DESKTOP_WORKSTATION_MINOR_DEVICE_CLASS = 0x01 |
| COMPUTER_SERVER_CLASS_COMPUTER_MINOR_DEVICE_CLASS = 0x02 |
| COMPUTER_LAPTOP_COMPUTER_MINOR_DEVICE_CLASS = 0x03 |
| COMPUTER_HANDHELD_PC_PDA_MINOR_DEVICE_CLASS = 0x04 |
| COMPUTER_PALM_SIZE_PC_PDA_MINOR_DEVICE_CLASS = 0x05 |
| COMPUTER_WEARABLE_COMPUTER_MINOR_DEVICE_CLASS = 0x06 |
| COMPUTER_TABLET_MINOR_DEVICE_CLASS = 0x07 |
| |
| COMPUTER_MINOR_DEVICE_CLASS_NAMES = { |
| COMPUTER_UNCATEGORIZED_MINOR_DEVICE_CLASS: 'Uncategorized', |
| COMPUTER_DESKTOP_WORKSTATION_MINOR_DEVICE_CLASS: 'Desktop workstation', |
| COMPUTER_SERVER_CLASS_COMPUTER_MINOR_DEVICE_CLASS: 'Server-class computer', |
| COMPUTER_LAPTOP_COMPUTER_MINOR_DEVICE_CLASS: 'Laptop', |
| COMPUTER_HANDHELD_PC_PDA_MINOR_DEVICE_CLASS: 'Handheld PC/PDA', |
| COMPUTER_PALM_SIZE_PC_PDA_MINOR_DEVICE_CLASS: 'Palm-size PC/PDA', |
| COMPUTER_WEARABLE_COMPUTER_MINOR_DEVICE_CLASS: 'Wearable computer', |
| COMPUTER_TABLET_MINOR_DEVICE_CLASS: 'Tablet' |
| } |
| |
| PHONE_UNCATEGORIZED_MINOR_DEVICE_CLASS = 0x00 |
| PHONE_CELLULAR_MINOR_DEVICE_CLASS = 0x01 |
| PHONE_CORDLESS_MINOR_DEVICE_CLASS = 0x02 |
| PHONE_SMARTPHONE_MINOR_DEVICE_CLASS = 0x03 |
| PHONE_WIRED_MODEM_OR_VOICE_GATEWAY_MINOR_DEVICE_CLASS = 0x04 |
| PHONE_COMMON_ISDN_MINOR_DEVICE_CLASS = 0x05 |
| |
| PHONE_MINOR_DEVICE_CLASS_NAMES = { |
| PHONE_UNCATEGORIZED_MINOR_DEVICE_CLASS: 'Uncategorized', |
| PHONE_CELLULAR_MINOR_DEVICE_CLASS: 'Cellular', |
| PHONE_CORDLESS_MINOR_DEVICE_CLASS: 'Cordless', |
| PHONE_SMARTPHONE_MINOR_DEVICE_CLASS: 'Smartphone', |
| PHONE_WIRED_MODEM_OR_VOICE_GATEWAY_MINOR_DEVICE_CLASS: 'Wired modem or voice gateway', |
| PHONE_COMMON_ISDN_MINOR_DEVICE_CLASS: 'Common ISDN access' |
| } |
| |
| AUDIO_VIDEO_UNCATEGORIZED_MINOR_DEVICE_CLASS = 0x00 |
| AUDIO_VIDEO_WEARABLE_HEADSET_DEVICE_MINOR_DEVICE_CLASS = 0x01 |
| AUDIO_VIDEO_HANDS_FREE_DEVICE_MINOR_DEVICE_CLASS = 0x02 |
| # (RESERVED) = 0x03 |
| AUDIO_VIDEO_MICROPHONE_MINOR_DEVICE_CLASS = 0x04 |
| AUDIO_VIDEO_LOUDSPEAKER_MINOR_DEVICE_CLASS = 0x05 |
| AUDIO_VIDEO_HEADPHONES_MINOR_DEVICE_CLASS = 0x06 |
| AUDIO_VIDEO_PORTABLE_AUDIO_MINOR_DEVICE_CLASS = 0x07 |
| AUDIO_VIDEO_CAR_AUDIO_MINOR_DEVICE_CLASS = 0x08 |
| AUDIO_VIDEO_SET_TOP_BOX_MINOR_DEVICE_CLASS = 0x09 |
| AUDIO_VIDEO_HIFI_AUDIO_DEVICE_MINOR_DEVICE_CLASS = 0x0A |
| AUDIO_VIDEO_VCR_MINOR_DEVICE_CLASS = 0x0B |
| AUDIO_VIDEO_VIDEO_CAMERA_MINOR_DEVICE_CLASS = 0x0C |
| AUDIO_VIDEO_CAMCORDER_MINOR_DEVICE_CLASS = 0x0D |
| AUDIO_VIDEO_VIDEO_MONITOR_MINOR_DEVICE_CLASS = 0x0E |
| AUDIO_VIDEO_VIDEO_DISPLAY_AND_LOUDSPEAKER_MINOR_DEVICE_CLASS = 0x0F |
| AUDIO_VIDEO_VIDEO_CONFERENCING_MINOR_DEVICE_CLASS = 0x10 |
| # (RESERVED) = 0x11 |
| AUDIO_VIDEO_GAMING_OR_TOY_MINOR_DEVICE_CLASS = 0x12 |
| |
| AUDIO_VIDEO_MINOR_DEVICE_CLASS_NAMES = { |
| AUDIO_VIDEO_UNCATEGORIZED_MINOR_DEVICE_CLASS: 'Uncategorized', |
| AUDIO_VIDEO_WEARABLE_HEADSET_DEVICE_MINOR_DEVICE_CLASS: 'Wearable Headset Device', |
| AUDIO_VIDEO_HANDS_FREE_DEVICE_MINOR_DEVICE_CLASS: 'Hands-free Device', |
| AUDIO_VIDEO_MICROPHONE_MINOR_DEVICE_CLASS: 'Microphone', |
| AUDIO_VIDEO_LOUDSPEAKER_MINOR_DEVICE_CLASS: 'Loudspeaker', |
| AUDIO_VIDEO_HEADPHONES_MINOR_DEVICE_CLASS: 'Headphones', |
| AUDIO_VIDEO_PORTABLE_AUDIO_MINOR_DEVICE_CLASS: 'Portable Audio', |
| AUDIO_VIDEO_CAR_AUDIO_MINOR_DEVICE_CLASS: 'Car audio', |
| AUDIO_VIDEO_SET_TOP_BOX_MINOR_DEVICE_CLASS: 'Set-top box', |
| AUDIO_VIDEO_HIFI_AUDIO_DEVICE_MINOR_DEVICE_CLASS: 'HiFi Audio Device', |
| AUDIO_VIDEO_VCR_MINOR_DEVICE_CLASS: 'VCR', |
| AUDIO_VIDEO_VIDEO_CAMERA_MINOR_DEVICE_CLASS: 'Video Camera', |
| AUDIO_VIDEO_CAMCORDER_MINOR_DEVICE_CLASS: 'Camcorder', |
| AUDIO_VIDEO_VIDEO_MONITOR_MINOR_DEVICE_CLASS: 'Video Monitor', |
| AUDIO_VIDEO_VIDEO_DISPLAY_AND_LOUDSPEAKER_MINOR_DEVICE_CLASS: 'Video Display and Loudspeaker', |
| AUDIO_VIDEO_VIDEO_CONFERENCING_MINOR_DEVICE_CLASS: 'Video Conferencing', |
| AUDIO_VIDEO_GAMING_OR_TOY_MINOR_DEVICE_CLASS: 'Gaming/Toy' |
| } |
| |
| PERIPHERAL_UNCATEGORIZED_MINOR_DEVICE_CLASS = 0x00 |
| PERIPHERAL_KEYBOARD_MINOR_DEVICE_CLASS = 0x10 |
| PERIPHERAL_POINTING_DEVICE_MINOR_DEVICE_CLASS = 0x20 |
| PERIPHERAL_COMBO_KEYBOARD_POINTING_DEVICE_MINOR_DEVICE_CLASS = 0x30 |
| PERIPHERAL_JOYSTICK_MINOR_DEVICE_CLASS = 0x01 |
| PERIPHERAL_GAMEPAD_MINOR_DEVICE_CLASS = 0x02 |
| PERIPHERAL_REMOTE_CONTROL_MINOR_DEVICE_CLASS = 0x03 |
| PERIPHERAL_SENSING_DEVICE_MINOR_DEVICE_CLASS = 0x04 |
| PERIPHERAL_DIGITIZER_TABLET_MINOR_DEVICE_CLASS = 0x05 |
| PERIPHERAL_CARD_READER_MINOR_DEVICE_CLASS = 0x06 |
| PERIPHERAL_DIGITAL_PEN_MINOR_DEVICE_CLASS = 0x07 |
| PERIPHERAL_HANDHELD_SCANNER_MINOR_DEVICE_CLASS = 0x08 |
| PERIPHERAL_HANDHELD_GESTURAL_INPUT_DEVICE_MINOR_DEVICE_CLASS = 0x09 |
| |
| PERIPHERAL_MINOR_DEVICE_CLASS_NAMES = { |
| PERIPHERAL_UNCATEGORIZED_MINOR_DEVICE_CLASS: 'Uncategorized', |
| PERIPHERAL_KEYBOARD_MINOR_DEVICE_CLASS: 'Keyboard', |
| PERIPHERAL_POINTING_DEVICE_MINOR_DEVICE_CLASS: 'Pointing device', |
| PERIPHERAL_COMBO_KEYBOARD_POINTING_DEVICE_MINOR_DEVICE_CLASS: 'Combo keyboard/pointing device', |
| PERIPHERAL_JOYSTICK_MINOR_DEVICE_CLASS: 'Joystick', |
| PERIPHERAL_GAMEPAD_MINOR_DEVICE_CLASS: 'Gamepad', |
| PERIPHERAL_REMOTE_CONTROL_MINOR_DEVICE_CLASS: 'Remote control', |
| PERIPHERAL_SENSING_DEVICE_MINOR_DEVICE_CLASS: 'Sensing device', |
| PERIPHERAL_DIGITIZER_TABLET_MINOR_DEVICE_CLASS: 'Digitizer tablet', |
| PERIPHERAL_CARD_READER_MINOR_DEVICE_CLASS: 'Card Reader', |
| PERIPHERAL_DIGITAL_PEN_MINOR_DEVICE_CLASS: 'Digital Pen', |
| PERIPHERAL_HANDHELD_SCANNER_MINOR_DEVICE_CLASS: 'Handheld scanner', |
| PERIPHERAL_HANDHELD_GESTURAL_INPUT_DEVICE_MINOR_DEVICE_CLASS: 'Handheld gestural input device' |
| } |
| |
| MINOR_DEVICE_CLASS_NAMES = { |
| COMPUTER_MAJOR_DEVICE_CLASS: COMPUTER_MINOR_DEVICE_CLASS_NAMES, |
| PHONE_MAJOR_DEVICE_CLASS: PHONE_MINOR_DEVICE_CLASS_NAMES, |
| AUDIO_VIDEO_MAJOR_DEVICE_CLASS: AUDIO_VIDEO_MINOR_DEVICE_CLASS_NAMES, |
| PERIPHERAL_MAJOR_DEVICE_CLASS: PERIPHERAL_MINOR_DEVICE_CLASS_NAMES |
| } |
| |
| @staticmethod |
| def split_class_of_device(class_of_device): |
| # Split the bit fields of the composite class of device value into: |
| # (service_classes, major_device_class, minor_device_class) |
| return ((class_of_device >> 13 & 0x7FF), (class_of_device >> 8 & 0x1F), (class_of_device >> 2 & 0x3F)) |
| |
| @staticmethod |
| def pack_class_of_device(service_classes, major_device_class, minor_device_class): |
| return service_classes << 13 | major_device_class << 8 | minor_device_class << 2 |
| |
| @staticmethod |
| def service_class_labels(service_class_flags): |
| return bit_flags_to_strings(service_class_flags, DeviceClass.SERVICE_CLASS_LABELS) |
| |
| @staticmethod |
| def major_device_class_name(device_class): |
| return name_or_number(DeviceClass.MAJOR_DEVICE_CLASS_NAMES, device_class) |
| |
| @staticmethod |
| def minor_device_class_name(major_device_class, minor_device_class): |
| class_names = DeviceClass.MINOR_DEVICE_CLASS_NAMES.get(major_device_class) |
| if class_names is None: |
| return f'#{minor_device_class:02X}' |
| return name_or_number(class_names, minor_device_class) |
| |
| |
| # ----------------------------------------------------------------------------- |
| # Advertising Data |
| # ----------------------------------------------------------------------------- |
| class AdvertisingData: |
| # This list is only partial, it still needs to be filled in from the spec |
| FLAGS = 0x01 |
| INCOMPLETE_LIST_OF_16_BIT_SERVICE_CLASS_UUIDS = 0x02 |
| COMPLETE_LIST_OF_16_BIT_SERVICE_CLASS_UUIDS = 0x03 |
| INCOMPLETE_LIST_OF_32_BIT_SERVICE_CLASS_UUIDS = 0x04 |
| COMPLETE_LIST_OF_32_BIT_SERVICE_CLASS_UUIDS = 0x05 |
| INCOMPLETE_LIST_OF_128_BIT_SERVICE_CLASS_UUIDS = 0x06 |
| COMPLETE_LIST_OF_128_BIT_SERVICE_CLASS_UUIDS = 0x07 |
| SHORTENED_LOCAL_NAME = 0x08 |
| COMPLETE_LOCAL_NAME = 0x09 |
| TX_POWER_LEVEL = 0x0A |
| CLASS_OF_DEVICE = 0x0D |
| SIMPLE_PAIRING_HASH_C = 0x0E |
| SIMPLE_PAIRING_HASH_C_192 = 0x0E |
| SIMPLE_PAIRING_RANDOMIZER_R = 0x0F |
| SIMPLE_PAIRING_RANDOMIZER_R_192 = 0x0F |
| DEVICE_ID = 0x10 |
| SECURITY_MANAGER_TK_VALUE = 0x10 |
| SECURITY_MANAGER_OUT_OF_BAND_FLAGS = 0x11 |
| PERIPHERAL_CONNECTION_INTERVAL_RANGE = 0x12 |
| LIST_OF_16_BIT_SERVICE_SOLICITATION_UUIDS = 0x14 |
| LIST_OF_128_BIT_SERVICE_SOLICITATION_UUIDS = 0x15 |
| SERVICE_DATA = 0x16 |
| SERVICE_DATA_16_BIT_UUID = 0x16 |
| PUBLIC_TARGET_ADDRESS = 0x17 |
| RANDOM_TARGET_ADDRESS = 0x18 |
| APPEARANCE = 0x19 |
| ADVERTISING_INTERVAL = 0x1A |
| LE_BLUETOOTH_DEVICE_ADDRESS = 0x1B |
| LE_ROLE = 0x1C |
| SIMPLE_PAIRING_HASH_C_256 = 0x1D |
| SIMPLE_PAIRING_RANDOMIZER_R_256 = 0x1E |
| LIST_OF_32_BIT_SERVICE_SOLICITATION_UUIDS = 0x1F |
| SERVICE_DATA_32_BIT_UUID = 0x20 |
| SERVICE_DATA_128_BIT_UUID = 0x21 |
| LE_SECURE_CONNECTIONS_CONFIRMATION_VALUE = 0x22 |
| LE_SECURE_CONNECTIONS_RANDOM_VALUE = 0x23 |
| URI = 0x24 |
| INDOOR_POSITIONING = 0x25 |
| TRANSPORT_DISCOVERY_DATA = 0x26 |
| LE_SUPPORTED_FEATURES = 0x27 |
| CHANNEL_MAP_UPDATE_INDICATION = 0x28 |
| PB_ADV = 0x29 |
| MESH_MESSAGE = 0x2A |
| MESH_BEACON = 0x2B |
| BIGINFO = 0x2C |
| BROADCAST_CODE = 0x2D |
| RESOLVABLE_SET_IDENTIFIER = 0x2E |
| ADVERTISING_INTERVAL_LONG = 0x2F |
| THREE_D_INFORMATION_DATA = 0x3D |
| MANUFACTURER_SPECIFIC_DATA = 0xFF |
| |
| AD_TYPE_NAMES = { |
| FLAGS: 'FLAGS', |
| INCOMPLETE_LIST_OF_16_BIT_SERVICE_CLASS_UUIDS: 'INCOMPLETE_LIST_OF_16_BIT_SERVICE_CLASS_UUIDS', |
| COMPLETE_LIST_OF_16_BIT_SERVICE_CLASS_UUIDS: 'COMPLETE_LIST_OF_16_BIT_SERVICE_CLASS_UUIDS', |
| INCOMPLETE_LIST_OF_32_BIT_SERVICE_CLASS_UUIDS: 'INCOMPLETE_LIST_OF_32_BIT_SERVICE_CLASS_UUIDS', |
| COMPLETE_LIST_OF_32_BIT_SERVICE_CLASS_UUIDS: 'COMPLETE_LIST_OF_32_BIT_SERVICE_CLASS_UUIDS', |
| INCOMPLETE_LIST_OF_128_BIT_SERVICE_CLASS_UUIDS: 'INCOMPLETE_LIST_OF_128_BIT_SERVICE_CLASS_UUIDS', |
| COMPLETE_LIST_OF_128_BIT_SERVICE_CLASS_UUIDS: 'COMPLETE_LIST_OF_128_BIT_SERVICE_CLASS_UUIDS', |
| SHORTENED_LOCAL_NAME: 'SHORTENED_LOCAL_NAME', |
| COMPLETE_LOCAL_NAME: 'COMPLETE_LOCAL_NAME', |
| TX_POWER_LEVEL: 'TX_POWER_LEVEL', |
| CLASS_OF_DEVICE: 'CLASS_OF_DEVICE', |
| SIMPLE_PAIRING_HASH_C: 'SIMPLE_PAIRING_HASH_C', |
| SIMPLE_PAIRING_HASH_C_192: 'SIMPLE_PAIRING_HASH_C_192', |
| SIMPLE_PAIRING_RANDOMIZER_R: 'SIMPLE_PAIRING_RANDOMIZER_R', |
| SIMPLE_PAIRING_RANDOMIZER_R_192: 'SIMPLE_PAIRING_RANDOMIZER_R_192', |
| DEVICE_ID: 'DEVICE_ID', |
| SECURITY_MANAGER_TK_VALUE: 'SECURITY_MANAGER_TK_VALUE', |
| SECURITY_MANAGER_OUT_OF_BAND_FLAGS: 'SECURITY_MANAGER_OUT_OF_BAND_FLAGS', |
| PERIPHERAL_CONNECTION_INTERVAL_RANGE: 'PERIPHERAL_CONNECTION_INTERVAL_RANGE', |
| LIST_OF_16_BIT_SERVICE_SOLICITATION_UUIDS: 'LIST_OF_16_BIT_SERVICE_SOLICITATION_UUIDS', |
| LIST_OF_128_BIT_SERVICE_SOLICITATION_UUIDS: 'LIST_OF_128_BIT_SERVICE_SOLICITATION_UUIDS', |
| SERVICE_DATA: 'SERVICE_DATA', |
| SERVICE_DATA_16_BIT_UUID: 'SERVICE_DATA_16_BIT_UUID', |
| PUBLIC_TARGET_ADDRESS: 'PUBLIC_TARGET_ADDRESS', |
| RANDOM_TARGET_ADDRESS: 'RANDOM_TARGET_ADDRESS', |
| APPEARANCE: 'APPEARANCE', |
| ADVERTISING_INTERVAL: 'ADVERTISING_INTERVAL', |
| LE_BLUETOOTH_DEVICE_ADDRESS: 'LE_BLUETOOTH_DEVICE_ADDRESS', |
| LE_ROLE: 'LE_ROLE', |
| SIMPLE_PAIRING_HASH_C_256: 'SIMPLE_PAIRING_HASH_C_256', |
| SIMPLE_PAIRING_RANDOMIZER_R_256: 'SIMPLE_PAIRING_RANDOMIZER_R_256', |
| LIST_OF_32_BIT_SERVICE_SOLICITATION_UUIDS: 'LIST_OF_32_BIT_SERVICE_SOLICITATION_UUIDS', |
| SERVICE_DATA_32_BIT_UUID: 'SERVICE_DATA_32_BIT_UUID', |
| SERVICE_DATA_128_BIT_UUID: 'SERVICE_DATA_128_BIT_UUID', |
| LE_SECURE_CONNECTIONS_CONFIRMATION_VALUE: 'LE_SECURE_CONNECTIONS_CONFIRMATION_VALUE', |
| LE_SECURE_CONNECTIONS_RANDOM_VALUE: 'LE_SECURE_CONNECTIONS_RANDOM_VALUE', |
| URI: 'URI', |
| INDOOR_POSITIONING: 'INDOOR_POSITIONING', |
| TRANSPORT_DISCOVERY_DATA: 'TRANSPORT_DISCOVERY_DATA', |
| LE_SUPPORTED_FEATURES: 'LE_SUPPORTED_FEATURES', |
| CHANNEL_MAP_UPDATE_INDICATION: 'CHANNEL_MAP_UPDATE_INDICATION', |
| PB_ADV: 'PB_ADV', |
| MESH_MESSAGE: 'MESH_MESSAGE', |
| MESH_BEACON: 'MESH_BEACON', |
| BIGINFO: 'BIGINFO', |
| BROADCAST_CODE: 'BROADCAST_CODE', |
| RESOLVABLE_SET_IDENTIFIER: 'RESOLVABLE_SET_IDENTIFIER', |
| ADVERTISING_INTERVAL_LONG: 'ADVERTISING_INTERVAL_LONG', |
| THREE_D_INFORMATION_DATA: 'THREE_D_INFORMATION_DATA', |
| MANUFACTURER_SPECIFIC_DATA: 'MANUFACTURER_SPECIFIC_DATA' |
| } |
| |
| LE_LIMITED_DISCOVERABLE_MODE_FLAG = 0x01 |
| LE_GENERAL_DISCOVERABLE_MODE_FLAG = 0x02 |
| BR_EDR_NOT_SUPPORTED_FLAG = 0x04 |
| BR_EDR_CONTROLLER_FLAG = 0x08 |
| BR_EDR_HOST_FLAG = 0x10 |
| |
| def __init__(self, ad_structures = []): |
| self.ad_structures = ad_structures[:] |
| |
| @staticmethod |
| def from_bytes(data): |
| instance = AdvertisingData() |
| instance.append(data) |
| return instance |
| |
| @staticmethod |
| def flags_to_string(flags, short=False): |
| flag_names = [ |
| 'LE Limited', |
| 'LE General', |
| 'No BR/EDR', |
| 'BR/EDR C', |
| 'BR/EDR H' |
| ] if short else [ |
| 'LE Limited Discoverable Mode', |
| 'LE General Discoverable Mode', |
| 'BR/EDR Not Supported', |
| 'Simultaneous LE and BR/EDR (Controller)', |
| 'Simultaneous LE and BR/EDR (Host)' |
| ] |
| return ','.join(bit_flags_to_strings(flags, flag_names)) |
| |
| @staticmethod |
| def uuid_list_to_objects(ad_data, uuid_size): |
| uuids = [] |
| offset = 0 |
| while (uuid_size * (offset + 1)) <= len(ad_data): |
| uuids.append(UUID.from_bytes(ad_data[offset:offset + uuid_size])) |
| offset += uuid_size |
| return uuids |
| |
| @staticmethod |
| def uuid_list_to_string(ad_data, uuid_size): |
| return ', '.join([ |
| str(uuid) |
| for uuid in AdvertisingData.uuid_list_to_objects(ad_data, uuid_size) |
| ]) |
| |
| @staticmethod |
| def ad_data_to_string(ad_type, ad_data): |
| if ad_type == AdvertisingData.FLAGS: |
| ad_type_str = 'Flags' |
| ad_data_str = AdvertisingData.flags_to_string(ad_data[0], short=True) |
| elif ad_type == AdvertisingData.COMPLETE_LIST_OF_16_BIT_SERVICE_CLASS_UUIDS: |
| ad_type_str = 'Complete List of 16-bit Service Class UUIDs' |
| ad_data_str = AdvertisingData.uuid_list_to_string(ad_data, 2) |
| elif ad_type == AdvertisingData.INCOMPLETE_LIST_OF_16_BIT_SERVICE_CLASS_UUIDS: |
| ad_type_str = 'Incomplete List of 16-bit Service Class UUIDs' |
| ad_data_str = AdvertisingData.uuid_list_to_string(ad_data, 2) |
| elif ad_type == AdvertisingData.COMPLETE_LIST_OF_32_BIT_SERVICE_CLASS_UUIDS: |
| ad_type_str = 'Complete List of 32-bit Service Class UUIDs' |
| ad_data_str = AdvertisingData.uuid_list_to_string(ad_data, 4) |
| elif ad_type == AdvertisingData.INCOMPLETE_LIST_OF_32_BIT_SERVICE_CLASS_UUIDS: |
| ad_type_str = 'Incomplete List of 32-bit Service Class UUIDs' |
| ad_data_str = AdvertisingData.uuid_list_to_string(ad_data, 4) |
| elif ad_type == AdvertisingData.COMPLETE_LIST_OF_128_BIT_SERVICE_CLASS_UUIDS: |
| ad_type_str = 'Complete List of 128-bit Service Class UUIDs' |
| ad_data_str = AdvertisingData.uuid_list_to_string(ad_data, 16) |
| elif ad_type == AdvertisingData.INCOMPLETE_LIST_OF_128_BIT_SERVICE_CLASS_UUIDS: |
| ad_type_str = 'Incomplete List of 128-bit Service Class UUIDs' |
| ad_data_str = AdvertisingData.uuid_list_to_string(ad_data, 16) |
| elif ad_type == AdvertisingData.SERVICE_DATA_16_BIT_UUID: |
| ad_type_str = 'Service Data' |
| uuid = UUID.from_bytes(ad_data[:2]) |
| ad_data_str = f'service={uuid}, data={ad_data[2:].hex()}' |
| elif ad_type == AdvertisingData.SERVICE_DATA_32_BIT_UUID: |
| ad_type_str = 'Service Data' |
| uuid = UUID.from_bytes(ad_data[:4]) |
| ad_data_str = f'service={uuid}, data={ad_data[4:].hex()}' |
| elif ad_type == AdvertisingData.SERVICE_DATA_128_BIT_UUID: |
| ad_type_str = 'Service Data' |
| uuid = UUID.from_bytes(ad_data[:16]) |
| ad_data_str = f'service={uuid}, data={ad_data[16:].hex()}' |
| elif ad_type == AdvertisingData.SHORTENED_LOCAL_NAME: |
| ad_type_str = 'Shortened Local Name' |
| ad_data_str = f'"{ad_data.decode("utf-8")}"' |
| elif ad_type == AdvertisingData.COMPLETE_LOCAL_NAME: |
| ad_type_str = 'Complete Local Name' |
| ad_data_str = f'"{ad_data.decode("utf-8")}"' |
| elif ad_type == AdvertisingData.TX_POWER_LEVEL: |
| ad_type_str = 'TX Power Level' |
| ad_data_str = str(ad_data[0]) |
| elif ad_type == AdvertisingData.MANUFACTURER_SPECIFIC_DATA: |
| ad_type_str = 'Manufacturer Specific Data' |
| company_id = struct.unpack_from('<H', ad_data, 0)[0] |
| company_name = COMPANY_IDENTIFIERS.get(company_id, f'0x{company_id:04X}') |
| ad_data_str = f'company={company_name}, data={ad_data[2:].hex()}' |
| elif ad_type == AdvertisingData.APPEARANCE: |
| ad_type_str = 'Appearance' |
| ad_data_str = ad_data.hex() |
| else: |
| ad_type_str = AdvertisingData.AD_TYPE_NAMES.get(ad_type, f'0x{ad_type:02X}') |
| ad_data_str = ad_data.hex() |
| |
| return f'[{ad_type_str}]: {ad_data_str}' |
| |
| @staticmethod |
| def ad_data_to_object(ad_type, ad_data): |
| if ad_type in { |
| AdvertisingData.COMPLETE_LIST_OF_16_BIT_SERVICE_CLASS_UUIDS, |
| AdvertisingData.INCOMPLETE_LIST_OF_16_BIT_SERVICE_CLASS_UUIDS |
| }: |
| return AdvertisingData.uuid_list_to_objects(ad_data, 2) |
| elif ad_type in { |
| AdvertisingData.COMPLETE_LIST_OF_32_BIT_SERVICE_CLASS_UUIDS, |
| AdvertisingData.INCOMPLETE_LIST_OF_32_BIT_SERVICE_CLASS_UUIDS |
| }: |
| return AdvertisingData.uuid_list_to_objects(ad_data, 4) |
| elif ad_type in { |
| AdvertisingData.COMPLETE_LIST_OF_128_BIT_SERVICE_CLASS_UUIDS, |
| AdvertisingData.INCOMPLETE_LIST_OF_128_BIT_SERVICE_CLASS_UUIDS |
| }: |
| return AdvertisingData.uuid_list_to_objects(ad_data, 16) |
| elif ad_type == AdvertisingData.SERVICE_DATA_16_BIT_UUID: |
| return (UUID.from_bytes(ad_data[:2]), ad_data[2:]) |
| elif ad_type == AdvertisingData.SERVICE_DATA_32_BIT_UUID: |
| return (UUID.from_bytes(ad_data[:4]), ad_data[4:]) |
| elif ad_type == AdvertisingData.SERVICE_DATA_128_BIT_UUID: |
| return (UUID.from_bytes(ad_data[:16]), ad_data[16:]) |
| elif ad_type in { |
| AdvertisingData.SHORTENED_LOCAL_NAME, |
| AdvertisingData.COMPLETE_LOCAL_NAME |
| }: |
| return ad_data.decode("utf-8") |
| elif ad_type == AdvertisingData.TX_POWER_LEVEL: |
| return ad_data[0] |
| elif ad_type == AdvertisingData.MANUFACTURER_SPECIFIC_DATA: |
| return (struct.unpack_from('<H', ad_data, 0)[0], ad_data[2:]) |
| else: |
| return ad_data |
| |
| def append(self, data): |
| offset = 0 |
| while offset + 1 < len(data): |
| length = data[offset] |
| offset += 1 |
| if length > 0: |
| ad_type = data[offset] |
| ad_data = data[offset + 1:offset + length] |
| self.ad_structures.append((ad_type, ad_data)) |
| offset += length |
| |
| def get(self, type_id, return_all=False, raw=True): |
| ''' |
| Get Advertising Data Structure(s) with a given type |
| |
| If return_all is True, returns a (possibly empty) list of matches, |
| else returns the first entry, or None if no structure matches. |
| ''' |
| def process_ad_data(ad_data): |
| return ad_data if raw else self.ad_data_to_object(type_id, ad_data) |
| |
| if return_all: |
| return [process_ad_data(ad[1]) for ad in self.ad_structures if ad[0] == type_id] |
| else: |
| return next((process_ad_data(ad[1]) for ad in self.ad_structures if ad[0] == type_id), None) |
| |
| def __bytes__(self): |
| return b''.join([bytes([len(x[1]) + 1, x[0]]) + x[1] for x in self.ad_structures]) |
| |
| def to_string(self, separator=', '): |
| return separator.join([AdvertisingData.ad_data_to_string(x[0], x[1]) for x in self.ad_structures]) |
| |
| def __str__(self): |
| return self.to_string() |
| |
| |
| # ----------------------------------------------------------------------------- |
| # Connection Parameters |
| # ----------------------------------------------------------------------------- |
| class ConnectionParameters: |
| def __init__(self, connection_interval, connection_latency, supervision_timeout): |
| self.connection_interval = connection_interval |
| self.connection_latency = connection_latency |
| self.supervision_timeout = supervision_timeout |
| |
| def __str__(self): |
| return f'ConnectionParameters(connection_interval={self.connection_interval}, connection_latency={self.connection_latency}, supervision_timeout={self.supervision_timeout}' |
| |
| |
| # ----------------------------------------------------------------------------- |
| # Connection PHY |
| # ----------------------------------------------------------------------------- |
| class ConnectionPHY: |
| def __init__(self, tx_phy, rx_phy): |
| self.tx_phy = tx_phy |
| self.rx_phy = rx_phy |
| |
| def __str__(self): |
| return f'ConnectionPHY(tx_phy={self.tx_phy}, rx_phy={self.rx_phy})' |