little_endian_packets

custom_field Address : 48 "hci/"
custom_field ClassOfDevice : 24 "hci/"

enum Enable : 8 {
  DISABLED = 0x00,
  ENABLED = 0x01,
}

// https://www.bluetooth.com/specifications/assigned-numbers/generic-access-profile
enum GapDataType : 8 {
  INVALID = 0x00,
  FLAGS = 0x01,
  INCOMPLETE_LIST_16_BIT_UUIDS = 0x02,
  COMPLETE_LIST_16_BIT_UUIDS = 0x03,
  INCOMPLETE_LIST_32_BIT_UUIDS = 0x04,
  COMPLETE_LIST_32_BIT_UUIDS = 0x05,
  INCOMPLETE_LIST_128_BIT_UUIDS = 0x06,
  COMPLETE_LIST_128_BIT_UUIDS = 0x07,
  SHORTENED_LOCAL_NAME = 0x08,
  COMPLETE_LOCAL_NAME = 0x09,
  TX_POWER_LEVEL = 0x0A,
  CLASS_OF_DEVICE = 0x0D,
}

struct GapData {
  _size_(data) : 8, // Including one byte for data_type
  data_type : GapDataType,
  data : 8[+1*8],
}

// HCI ACL Packets

enum PacketBoundaryFlag : 2 {
  FIRST_NON_AUTOMATICALLY_FLUSHABLE = 0,
  CONTINUING_FRAGMENT = 1,
  FIRST_AUTOMATICALLY_FLUSHABLE = 2,
}

enum BroadcastFlag : 2 {
  POINT_TO_POINT = 0,
  ACTIVE_SLAVE_BROADCAST = 1,
}

packet AclPacket {
  handle : 12,
  packet_boundary_flag : PacketBoundaryFlag,
  broadcast_flag : BroadcastFlag,
  _size_(_payload_) : 16,
  _payload_,
}

// HCI SCO Packets

enum PacketStatusFlag : 2 {
  CORRECTLY_RECEIVED = 0,
  POSSIBLY_INCOMPLETE = 1,
  NO_DATA = 2,
  PARTIALLY_LOST = 3,
}

packet ScoPacket {
  handle : 12,
  packet_status_flag : PacketStatusFlag,
  _reserved_ : 2, // BroadcastFlag
  _size_(data) : 8,
  data : 8[],
}

// HCI Command Packets

enum OpCode : 16 {
  NONE = 0x0000,

  // LINK_CONTROL
  INQUIRY = 0x0401,
  INQUIRY_CANCEL = 0x0402,
  PERIODIC_INQUIRY_MODE = 0x0403,
  EXIT_PERIODIC_INQUIRY_MODE = 0x0404,
  CREATE_CONNECTION = 0x0405,
  DISCONNECT = 0x0406,
  CREATE_CONNECTION_CANCEL = 0x0408,
  ACCEPT_CONNECTION_REQUEST = 0x0409,
  REJECT_CONNECTION_REQUEST = 0x040A,
  LINK_KEY_REQUEST_REPLY = 0x040B,
  LINK_KEY_REQUEST_NEGATIVE_REPLY = 0x040C,
  PIN_CODE_REQUEST_REPLY = 0x040D,
  PIN_CODE_REQUEST_NEGATIVE_REPLY = 0x040E,
  CHANGE_CONNECTION_PACKET_TYPE = 0x040F,
  AUTHENTICATION_REQUESTED = 0x0411,
  SET_CONNECTION_ENCRYPTION = 0x0413,
  CHANGE_CONNECTION_LINK_KEY = 0x0415,
  MASTER_LINK_KEY = 0x0417,
  REMOTE_NAME_REQUEST = 0x0419,
  REMOTE_NAME_REQUEST_CANCEL = 0x041A,
  READ_REMOTE_SUPPORTED_FEATURES = 0x041B,
  READ_REMOTE_EXTENDED_FEATURES = 0x041C,
  READ_REMOTE_VERSION_INFORMATION = 0x041D,
  READ_CLOCK_OFFSET = 0x041F,
  READ_LMP_HANDLE = 0x0420,
  SETUP_SYNCHRONOUS_CONNECTION = 0x0428,
  ACCEPT_SYNCHRONOUS_CONNECTION = 0x0429,
  REJECT_SYNCHRONOUS_CONNECTION = 0x042A,
  IO_CAPABILITY_REQUEST_REPLY = 0x042B,
  USER_CONFIRMATION_REQUEST_REPLY = 0x042C,
  USER_CONFIRMATION_REQUEST_NEGATIVE_REPLY = 0x042D,
  USER_PASSKEY_REQUEST_REPLY = 0x042E,
  USER_PASSKEY_REQUEST_NEGATIVE_REPLY = 0x042F,
  REMOTE_OOB_DATA_REQUEST_REPLY = 0x0430,
  REMOTE_OOB_DATA_REQUEST_NEGATIVE_REPLY = 0x0433,
  IO_CAPABILITY_REQUEST_NEGATIVE_REPLY = 0x0434,
  ENHANCED_SETUP_SYNCHRONOUS_CONNECTION = 0x043D,
  ENHANCED_ACCEPT_SYNCHRONOUS_CONNECTION = 0x043E,

  // LINK_POLICY
  HOLD_MODE = 0x0801,
  SNIFF_MODE = 0x0803,
  EXIT_SNIFF_MODE = 0x0804,
  QOS_SETUP = 0x0807,
  ROLE_DISCOVERY = 0x0809,
  SWITCH_ROLE = 0x080B,
  READ_LINK_POLICY_SETTINGS = 0x080C,
  WRITE_LINK_POLICY_SETTINGS = 0x080D,
  READ_DEFAULT_LINK_POLICY_SETTINGS = 0x080E,
  WRITE_DEFAULT_LINK_POLICY_SETTINGS = 0x080F,
  FLOW_SPECIFICATION = 0x0810,
  SNIFF_SUBRATING = 0x0811,

  // CONTROLLER_AND_BASEBAND
  SET_EVENT_MASK = 0x0C01,
  RESET = 0x0C03,
  SET_EVENT_FILTER = 0x0C05,
  FLUSH = 0x0C08,
  READ_PIN_TYPE = 0x0C09,
  WRITE_PIN_TYPE = 0x0C0A,
  CREATE_NEW_UNIT_KEY = 0x0C0B,
  READ_STORED_LINK_KEY = 0x0C0D,
  WRITE_STORED_LINK_KEY = 0x0C11,
  DELETE_STORED_LINK_KEY = 0x0C12,
  WRITE_LOCAL_NAME = 0x0C13,
  READ_LOCAL_NAME = 0x0C14,
  READ_CONNECTION_ACCEPT_TIMEOUT = 0x0C15,
  WRITE_CONNECTION_ACCEPT_TIMEOUT = 0x0C16,
  READ_PAGE_TIMEOUT = 0x0C17,
  WRITE_PAGE_TIMEOUT = 0x0C18,
  READ_SCAN_ENABLE = 0x0C19,
  WRITE_SCAN_ENABLE = 0x0C1A,
  READ_PAGE_SCAN_ACTIVITY = 0x0C1B,
  WRITE_PAGE_SCAN_ACTIVITY = 0x0C1C,
  READ_INQUIRY_SCAN_ACTIVITY = 0x0C1D,
  WRITE_INQUIRY_SCAN_ACTIVITY = 0x0C1E,
  READ_AUTHENTICATION_ENABLE = 0x0C1F,
  WRITE_AUTHENTICATION_ENABLE = 0x0C20,
  READ_CLASS_OF_DEVICE = 0x0C23,
  WRITE_CLASS_OF_DEVICE = 0x0C24,
  READ_VOICE_SETTING = 0x0C25,
  WRITE_VOICE_SETTING = 0x0C26,
  READ_AUTOMATIC_FLUSH_TIMEOUT = 0x0C27,
  WRITE_AUTOMATIC_FLUSH_TIMEOUT = 0x0C28,
  READ_NUM_BROADCAST_RETRANSMITS = 0x0C29,
  WRITE_NUM_BROADCAST_RETRANSMITS = 0x0C2A,
  READ_HOLD_MODE_ACTIVITY = 0x0C2B,
  WRITE_HOLD_MODE_ACTIVITY = 0x0C2C,
  READ_TRANSMIT_POWER_LEVEL = 0x0C2D,
  READ_SYNCHRONOUS_FLOW_CONTROL_ENABLE = 0x0C2E,
  WRITE_SYNCHRONOUS_FLOW_CONTROL_ENABLE = 0x0C2F,
  SET_CONTROLLER_TO_HOST_FLOW_CONTROL = 0x0C31,
  HOST_BUFFER_SIZE = 0x0C33,
  HOST_NUM_COMPLETED_PACKETS = 0x0C35,
  READ_LINK_SUPERVISION_TIMEOUT = 0x0C36,
  WRITE_LINK_SUPERVISION_TIMEOUT = 0x0C37,
  READ_NUMBER_OF_SUPPORTED_IAC = 0x0C38,
  READ_CURRENT_IAC_LAP = 0x0C39,
  WRITE_CURRENT_IAC_LAP = 0x0C3A,
  SET_AFH_HOST_CHANNEL_CLASSIFICATION = 0x0C3F,
  READ_INQUIRY_SCAN_TYPE = 0x0C42,
  WRITE_INQUIRY_SCAN_TYPE = 0x0C43,
  READ_INQUIRY_MODE = 0x0C44,
  WRITE_INQUIRY_MODE = 0x0C45,
  READ_PAGE_SCAN_TYPE = 0x0C46,
  WRITE_PAGE_SCAN_TYPE = 0x0C47,
  READ_AFH_CHANNEL_ASSESSMENT_MODE = 0x0C48,
  WRITE_AFH_CHANNEL_ASSESSMENT_MODE = 0x0C49,
  READ_EXTENDED_INQUIRY_RESPONSE = 0x0C51,
  WRITE_EXTENDED_INQUIRY_RESPONSE = 0x0C52,
  REFRESH_ENCRYPTION_KEY = 0x0C53,
  READ_SIMPLE_PAIRING_MODE = 0x0C55,
  WRITE_SIMPLE_PAIRING_MODE = 0x0C56,
  READ_LOCAL_OOB_DATA = 0x0C57,
  READ_INQUIRY_RESPONSE_TRANSMIT_POWER_LEVEL = 0x0C58,
  WRITE_INQUIRY_TRANSMIT_POWER_LEVEL = 0x0C59,
  SEND_KEYPRESS_NOTIFICATION = 0x0C60,

  READ_LE_HOST_SUPPORT = 0x0C6C,
  WRITE_LE_HOST_SUPPORT = 0x0C6D,

  READ_SECURE_CONNECTIONS_HOST_SUPPORT = 0x0C79,
  WRITE_SECURE_CONNECTIONS_HOST_SUPPORT = 0x0C7A,
  READ_LOCAL_OOB_EXTENDED_DATA = 0x0C7D,

  // INFORMATIONAL_PARAMETERS
  READ_LOCAL_VERSION_INFORMATION = 0x1001,
  READ_LOCAL_SUPPORTED_COMMANDS = 0x1002,
  READ_LOCAL_SUPPORTED_FEATURES = 0x1003,
  READ_LOCAL_EXTENDED_FEATURES = 0x1004,
  READ_BUFFER_SIZE = 0x1005,
  READ_BD_ADDR = 0x1009,
  READ_DATA_BLOCK_SIZE = 0x100A,
  READ_LOCAL_SUPPORTED_CODECS = 0x100B,

  // STATUS_PARAMETERS
  READ_FAILED_CONTACT_COUNTER = 0x1401,
  RESET_FAILED_CONTACT_COUNTER = 0x1402,
  READ_LINK_QUALITY = 0x1403,
  READ_RSSI = 0x1405,
  READ_AFH_CHANNEL_MAP = 0x1406,
  READ_CLOCK = 0x1407,
  READ_ENCRYPTION_KEY_SIZE = 0x1408,

  // TESTING
  READ_LOOPBACK_MODE = 0x1801,
  WRITE_LOOPBACK_MODE = 0x1802,
  ENABLE_DEVICE_UNDER_TEST_MODE = 0x1803,
  WRITE_SIMPLE_PAIRING_DEBUG_MODE = 0x1804,
  WRITE_SECURE_CONNECTIONS_TEST_MODE = 0x180A,

  // LE_CONTROLLER
  LE_SET_EVENT_MASK = 0x2001,
  LE_READ_BUFFER_SIZE = 0x2002,
  LE_READ_LOCAL_SUPPORTED_FEATURES = 0x2003,
  LE_SET_RANDOM_ADDRESS = 0x2005,
  LE_SET_ADVERTISING_PARAMETERS = 0x2006,
  LE_READ_ADVERTISING_CHANNEL_TX_POWER = 0x2007,
  LE_SET_ADVERTISING_DATA = 0x2008,
  LE_SET_SCAN_RESPONSE_DATA = 0x2009,
  LE_SET_ADVERTISING_ENABLE = 0x200A,
  LE_SET_SCAN_PARAMETERS = 0x200B,
  LE_SET_SCAN_ENABLE = 0x200C,
  LE_CREATE_CONNECTION = 0x200D,
  LE_CREATE_CONNECTION_CANCEL = 0x200E,
  LE_READ_WHITE_LIST_SIZE = 0x200F,
  LE_CLEAR_WHITE_LIST = 0x2010,
  LE_ADD_DEVICE_TO_WHITE_LIST = 0x2011,
  LE_REMOVE_DEVICE_FROM_WHITE_LIST = 0x2012,
  LE_CONNECTION_UPDATE = 0x2013,
  LE_SET_HOST_CHANNEL_CLASSIFICATION = 0x2014,
  LE_READ_CHANNEL_MAP = 0x2015,
  LE_READ_REMOTE_FEATURES = 0x2016,
  LE_ENCRYPT = 0x2017,
  LE_RAND = 0x2018,
  LE_START_ENCRYPTION = 0x2019,
  LE_LONG_TERM_KEY_REQUEST_REPLY = 0x201A,
  LE_LONG_TERM_KEY_REQUEST_NEGATIVE_REPLY = 0x201B,
  LE_READ_SUPPORTED_STATES = 0x201C,
  LE_RECEIVER_TEST = 0x201D,
  LE_TRANSMITTER_TEST = 0x201E,
  LE_TEST_END = 0x201F,
  LE_REMOTE_CONNECTION_PARAMETER_REQUEST_REPLY = 0x2020,
  LE_REMOTE_CONNECTION_PARAMETER_REQUEST_NEGATIVE_REPLY = 0x2021,

  LE_SET_DATA_LENGTH = 0x2022,
  LE_READ_SUGGESTED_DEFAULT_DATA_LENGTH = 0x2023,
  LE_WRITE_SUGGESTED_DEFAULT_DATA_LENGTH = 0x2024,
  LE_READ_LOCAL_P_256_PUBLIC_KEY_COMMAND = 0x2025,
  LE_GENERATE_DHKEY_COMMAND = 0x2026,
  LE_ADD_DEVICE_TO_RESOLVING_LIST = 0x2027,
  LE_REMOVE_DEVICE_FROM_RESOLVING_LIST = 0x2028,
  LE_CLEAR_RESOLVING_LIST = 0x2029,
  LE_READ_RESOLVING_LIST_SIZE = 0x202A,
  LE_READ_PEER_RESOLVABLE_ADDRESS = 0x202B,
  LE_READ_LOCAL_RESOLVABLE_ADDRESS = 0x202C,
  LE_SET_ADDRESS_RESOLUTION_ENABLE = 0x202D,
  LE_SET_RESOLVABLE_PRIVATE_ADDRESS_TIMEOUT = 0x202E,
  LE_READ_MAXIMUM_DATA_LENGTH = 0x202F,
  LE_READ_PHY = 0x2030,
  LE_SET_DEFAULT_PHY = 0x2031,
  LE_SET_PHY = 0x2032,
  LE_ENHANCED_RECEIVER_TEST = 0x2033,
  LE_ENHANCED_TRANSMITTER_TEST = 0x2034,
  LE_SET_EXTENDED_ADVERTISING_RANDOM_ADDRESS = 0x2035,
  LE_SET_EXTENDED_ADVERTISING_PARAMETERS = 0x2036,
  LE_SET_EXTENDED_ADVERTISING_DATA = 0x2037,
  LE_SET_EXTENDED_ADVERTISING_SCAN_RESPONSE = 0x2038,
  LE_SET_EXTENDED_ADVERTISING_ENABLE = 0x2039,
  LE_READ_MAXIMUM_ADVERTISING_DATA_LENGTH = 0x203A,
  LE_READ_NUMBER_OF_SUPPORTED_ADVERTISING_SETS = 0x203B,
  LE_REMOVE_ADVERTISING_SET = 0x203C,
  LE_CLEAR_ADVERTISING_SETS = 0x203D,
  LE_SET_PERIODIC_ADVERTISING_PARAM = 0x203E,
  LE_SET_PERIODIC_ADVERTISING_DATA = 0x203F,
  LE_SET_PERIODIC_ADVERTISING_ENABLE = 0x2040,
  LE_SET_EXTENDED_SCAN_PARAMETERS = 0x2041,
  LE_SET_EXTENDED_SCAN_ENABLE = 0x2042,
  LE_EXTENDED_CREATE_CONNECTION = 0x2043,
  LE_PERIODIC_ADVERTISING_CREATE_SYNC = 0x2044,
  LE_PERIODIC_ADVERTISING_CREATE_SYNC_CANCEL = 0x2045,
  LE_PERIODIC_ADVERTISING_TERMINATE_SYNC = 0x2046,
  LE_ADD_DEVICE_TO_PERIODIC_ADVERTISING_LIST = 0x2047,
  LE_REMOVE_DEVICE_FROM_PERIODIC_ADVERTISING_LIST = 0x2048,
  LE_CLEAR_PERIODIC_ADVERTISING_LIST = 0x2049,
  LE_READ_PERIODIC_ADVERTISING_LIST_SIZE = 0x204A,
  LE_READ_TRANSMIT_POWER = 0x204B,
  LE_READ_RF_PATH_COMPENSATION_POWER = 0x204C,
  LE_WRITE_RF_PATH_COMPENSATION_POWER = 0x204D,
  LE_SET_PRIVACY_MODE = 0x204E,

  // VENDOR_SPECIFIC
  LE_GET_VENDOR_CAPABILITIES = 0xFD53,
  LE_MULTI_ADVT = 0xFD54,
  LE_BATCH_SCAN = 0xFD56,
  LE_ADV_FILTER = 0xFD57,
  LE_TRACK_ADV = 0xFD58,
  LE_ENERGY_INFO = 0xFD59,
  LE_EXTENDED_SCAN_PARAMS = 0xFD5A,
  CONTROLLER_DEBUG_INFO = 0xFD5B,
  CONTROLLER_A2DP_OPCODE = 0xFD5D,
}

// For mapping Local Supported Commands command
// Value = Octet * 10 + bit
enum OpCodeIndex : 16 {
  INQUIRY = 0,
  INQUIRY_CANCEL = 1,
  PERIODIC_INQUIRY_MODE = 2,
  EXIT_PERIODIC_INQUIRY_MODE = 3,
  CREATE_CONNECTION = 4,
  DISCONNECT = 5,
  CREATE_CONNECTION_CANCEL = 7,
  ACCEPT_CONNECTION_REQUEST = 10,
  REJECT_CONNECTION_REQUEST = 11,
  LINK_KEY_REQUEST_REPLY = 12,
  LINK_KEY_REQUEST_NEGATIVE_REPLY = 13,
  PIN_CODE_REQUEST_REPLY = 14,
  PIN_CODE_REQUEST_NEGATIVE_REPLY = 15,
  CHANGE_CONNECTION_PACKET_TYPE = 16,
  AUTHENTICATION_REQUESTED = 17,
  SET_CONNECTION_ENCRYPTION = 20,
  CHANGE_CONNECTION_LINK_KEY = 21,
  MASTER_LINK_KEY = 22,
  REMOTE_NAME_REQUEST = 23,
  REMOTE_NAME_REQUEST_CANCEL = 24,
  READ_REMOTE_SUPPORTED_FEATURES = 25,
  READ_REMOTE_EXTENDED_FEATURES = 26,
  READ_REMOTE_VERSION_INFORMATION = 27,
  READ_CLOCK_OFFSET = 30,
  READ_LMP_HANDLE = 31,
  HOLD_MODE = 41,
  SNIFF_MODE = 42,
  EXIT_SNIFF_MODE = 43,
  QOS_SETUP = 46,
  ROLE_DISCOVERY = 47,
  SWITCH_ROLE = 50,
  READ_LINK_POLICY_SETTINGS = 51,
  WRITE_LINK_POLICY_SETTINGS = 52,
  READ_DEFAULT_LINK_POLICY_SETTINGS = 53,
  WRITE_DEFAULT_LINK_POLICY_SETTINGS = 54,
  FLOW_SPECIFICATION = 55,
  SET_EVENT_MASK = 56,
  RESET = 57,
  SET_EVENT_FILTER = 60,
  FLUSH = 61,
  READ_PIN_TYPE = 62,
  WRITE_PIN_TYPE = 63,
  READ_STORED_LINK_KEY = 65,
  WRITE_STORED_LINK_KEY = 66,
  DELETE_STORED_LINK_KEY = 67,
  WRITE_LOCAL_NAME = 70,
  READ_LOCAL_NAME = 71,
  READ_CONNECTION_ACCEPT_TIMEOUT = 72,
  WRITE_CONNECTION_ACCEPT_TIMEOUT = 73,
  READ_PAGE_TIMEOUT = 74,
  WRITE_PAGE_TIMEOUT = 75,
  READ_SCAN_ENABLE = 76,
  WRITE_SCAN_ENABLE = 77,
  READ_PAGE_SCAN_ACTIVITY = 80,
  WRITE_PAGE_SCAN_ACTIVITY = 81,
  READ_INQUIRY_SCAN_ACTIVITY = 82,
  WRITE_INQUIRY_SCAN_ACTIVITY = 83,
  READ_AUTHENTICATION_ENABLE = 84,
  WRITE_AUTHENTICATION_ENABLE = 85,
  READ_CLASS_OF_DEVICE = 90,
  WRITE_CLASS_OF_DEVICE = 91,
  READ_VOICE_SETTING = 92,
  WRITE_VOICE_SETTING = 93,
  READ_AUTOMATIC_FLUSH_TIMEOUT = 94,
  WRITE_AUTOMATIC_FLUSH_TIMEOUT = 95,
  READ_NUM_BROADCAST_RETRANSMITS = 96,
  WRITE_NUM_BROADCAST_RETRANSMITS = 97,
  READ_HOLD_MODE_ACTIVITY = 100,
  WRITE_HOLD_MODE_ACTIVITY = 101,
  READ_TRANSMIT_POWER_LEVEL = 102,
  READ_SYNCHRONOUS_FLOW_CONTROL_ENABLE = 103,
  WRITE_SYNCHRONOUS_FLOW_CONTROL_ENABLE = 104,
  SET_CONTROLLER_TO_HOST_FLOW_CONTROL = 105,
  HOST_BUFFER_SIZE = 106,
  HOST_NUM_COMPLETED_PACKETS = 107,
  READ_LINK_SUPERVISION_TIMEOUT = 110,
  WRITE_LINK_SUPERVISION_TIMEOUT = 111,
  READ_NUMBER_OF_SUPPORTED_IAC = 112,
  READ_CURRENT_IAC_LAP = 113,
  WRITE_CURRENT_IAC_LAP = 114,
  SET_AFH_HOST_CHANNEL_CLASSIFICATION = 121,
  READ_INQUIRY_SCAN_TYPE = 124,
  WRITE_INQUIRY_SCAN_TYPE = 125,
  READ_INQUIRY_MODE = 126,
  WRITE_INQUIRY_MODE = 127,
  READ_PAGE_SCAN_TYPE = 130,
  WRITE_PAGE_SCAN_TYPE = 131,
  READ_AFH_CHANNEL_ASSESSMENT_MODE = 132,
  WRITE_AFH_CHANNEL_ASSESSMENT_MODE = 133,
  READ_LOCAL_VERSION_INFORMATION = 143,
  READ_LOCAL_SUPPORTED_FEATURES = 145,
  READ_LOCAL_EXTENDED_FEATURES = 146,
  READ_BUFFER_SIZE = 147,
  READ_BD_ADDR = 151,
  READ_FAILED_CONTACT_COUNTER = 152,
  RESET_FAILED_CONTACT_COUNTER = 153,
  READ_LINK_QUALITY = 154,
  READ_RSSI = 155,
  READ_AFH_CHANNEL_MAP = 156,
  READ_CLOCK = 157,
  READ_LOOPBACK_MODE = 160,
  WRITE_LOOPBACK_MODE = 161,
  ENABLE_DEVICE_UNDER_TEST_MODE = 162,
  SETUP_SYNCHRONOUS_CONNECTION = 163,
  ACCEPT_SYNCHRONOUS_CONNECTION = 164,
  REJECT_SYNCHRONOUS_CONNECTION = 165,
  READ_EXTENDED_INQUIRY_RESPONSE = 170,
  WRITE_EXTENDED_INQUIRY_RESPONSE = 171,
  REFRESH_ENCRYPTION_KEY = 172,
  SNIFF_SUBRATING = 174,
  READ_SIMPLE_PAIRING_MODE = 175,
  WRITE_SIMPLE_PAIRING_MODE = 176,
  READ_LOCAL_OOB_DATA = 177,
  READ_INQUIRY_RESPONSE_TRANSMIT_POWER_LEVEL = 180,
  WRITE_INQUIRY_TRANSMIT_POWER_LEVEL = 181,
  IO_CAPABILITY_REQUEST_REPLY = 187,
  USER_CONFIRMATION_REQUEST_REPLY = 190,
  USER_CONFIRMATION_REQUEST_NEGATIVE_REPLY = 191,
  USER_PASSKEY_REQUEST_REPLY = 192,
  USER_PASSKEY_REQUEST_NEGATIVE_REPLY = 193,
  REMOTE_OOB_DATA_REQUEST_REPLY = 194,
  WRITE_SIMPLE_PAIRING_DEBUG_MODE = 195,
  REMOTE_OOB_DATA_REQUEST_NEGATIVE_REPLY = 197,
  SEND_KEYPRESS_NOTIFICATION = 202,
  IO_CAPABILITY_REQUEST_NEGATIVE_REPLY = 203,
  READ_ENCRYPTION_KEY_SIZE = 204,
  READ_DATA_BLOCK_SIZE = 232,
  READ_LE_HOST_SUPPORT = 245,
  WRITE_LE_HOST_SUPPORT = 246,
  LE_SET_EVENT_MASK = 250,
  LE_READ_BUFFER_SIZE = 251,
  LE_READ_LOCAL_SUPPORTED_FEATURES = 252,
  LE_SET_RANDOM_ADDRESS = 254,
  LE_SET_ADVERTISING_PARAMETERS = 255,
  LE_READ_ADVERTISING_CHANNEL_TX_POWER = 256,
  LE_SET_ADVERTISING_DATA = 257,
  LE_SET_SCAN_RESPONSE_DATA = 260,
  LE_SET_ADVERTISING_ENABLE = 261,
  LE_SET_SCAN_PARAMETERS = 262,
  LE_SET_SCAN_ENABLE = 263,
  LE_CREATE_CONNECTION = 264,
  LE_CREATE_CONNECTION_CANCEL = 265,
  LE_READ_WHITE_LIST_SIZE = 266,
  LE_CLEAR_WHITE_LIST = 267,
  LE_ADD_DEVICE_TO_WHITE_LIST = 270,
  LE_REMOVE_DEVICE_FROM_WHITE_LIST = 271,
  LE_CONNECTION_UPDATE = 272,
  LE_SET_HOST_CHANNEL_CLASSIFICATION = 273,
  LE_READ_CHANNEL_MAP = 274,
  LE_READ_REMOTE_FEATURES = 275,
  LE_ENCRYPT = 276,
  LE_RAND = 277,
  LE_START_ENCRYPTION = 280,
  LE_LONG_TERM_KEY_REQUEST_REPLY = 281,
  LE_LONG_TERM_KEY_REQUEST_NEGATIVE_REPLY = 282,
  LE_READ_SUPPORTED_STATES = 283,
  LE_RECEIVER_TEST = 284,
  LE_TRANSMITTER_TEST = 285,
  LE_TEST_END = 286,
  ENHANCED_SETUP_SYNCHRONOUS_CONNECTION = 293,
  ENHANCED_ACCEPT_SYNCHRONOUS_CONNECTION = 294,
  READ_LOCAL_SUPPORTED_CODECS = 295,
  READ_SECURE_CONNECTIONS_HOST_SUPPORT = 322,
  WRITE_SECURE_CONNECTIONS_HOST_SUPPORT = 323,
  READ_LOCAL_OOB_EXTENDED_DATA = 326,
  WRITE_SECURE_CONNECTIONS_TEST_MODE = 327,
  LE_REMOTE_CONNECTION_PARAMETER_REQUEST_REPLY = 334,
  LE_REMOTE_CONNECTION_PARAMETER_REQUEST_NEGATIVE_REPLY = 335,
  LE_SET_DATA_LENGTH = 336,
  LE_READ_SUGGESTED_DEFAULT_DATA_LENGTH = 337,
  LE_WRITE_SUGGESTED_DEFAULT_DATA_LENGTH = 340,
  LE_READ_LOCAL_P_256_PUBLIC_KEY_COMMAND = 341,
  LE_GENERATE_DHKEY_COMMAND = 342,
  LE_ADD_DEVICE_TO_RESOLVING_LIST = 343,
  LE_REMOVE_DEVICE_FROM_RESOLVING_LIST = 344,
  LE_CLEAR_RESOLVING_LIST = 345,
  LE_READ_RESOLVING_LIST_SIZE = 346,
  LE_READ_PEER_RESOLVABLE_ADDRESS = 347,
  LE_READ_LOCAL_RESOLVABLE_ADDRESS = 350,
  LE_SET_ADDRESS_RESOLUTION_ENABLE = 351,
  LE_SET_RESOLVABLE_PRIVATE_ADDRESS_TIMEOUT = 352,
  LE_READ_MAXIMUM_DATA_LENGTH = 353,
  LE_READ_PHY = 354,
  LE_SET_DEFAULT_PHY = 355,
  LE_SET_PHY = 356,
  LE_ENHANCED_RECEIVER_TEST = 357,
  LE_ENHANCED_TRANSMITTER_TEST = 360,
  LE_SET_EXTENDED_ADVERTISING_RANDOM_ADDRESS = 361,
  LE_SET_EXTENDED_ADVERTISING_PARAMETERS = 362,
  LE_SET_EXTENDED_ADVERTISING_DATA = 363,
  LE_SET_EXTENDED_ADVERTISING_SCAN_RESPONSE = 364,
  LE_SET_EXTENDED_ADVERTISING_ENABLE = 365,
  LE_READ_MAXIMUM_ADVERTISING_DATA_LENGTH = 366,
  LE_READ_NUMBER_OF_SUPPORTED_ADVERTISING_SETS = 367,
  LE_REMOVE_ADVERTISING_SET = 370,
  LE_CLEAR_ADVERTISING_SETS = 371,
  LE_SET_PERIODIC_ADVERTISING_PARAM = 372,
  LE_SET_PERIODIC_ADVERTISING_DATA = 373,
  LE_SET_PERIODIC_ADVERTISING_ENABLE = 374,
  LE_SET_EXTENDED_SCAN_PARAMETERS = 375,
  LE_SET_EXTENDED_SCAN_ENABLE = 376,
  LE_EXTENDED_CREATE_CONNECTION = 377,
  LE_PERIODIC_ADVERTISING_CREATE_SYNC = 380,
  LE_PERIODIC_ADVERTISING_CREATE_SYNC_CANCEL = 381,
  LE_PERIODIC_ADVERTISING_TERMINATE_SYNC = 382,
  LE_ADD_DEVICE_TO_PERIODIC_ADVERTISING_LIST = 383,
  LE_REMOVE_DEVICE_FROM_PERIODIC_ADVERTISING_LIST = 384,
  LE_CLEAR_PERIODIC_ADVERTISING_LIST = 385,
  LE_READ_PERIODIC_ADVERTISING_LIST_SIZE = 386,
  LE_READ_TRANSMIT_POWER = 387,
  LE_READ_RF_PATH_COMPENSATION_POWER = 390,
  LE_WRITE_RF_PATH_COMPENSATION_POWER = 391,
  LE_SET_PRIVACY_MODE = 392,
}

packet CommandPacket {
  op_code : OpCode,
  _size_(_payload_) : 8,
  _payload_,
}

// Packets for interfaces

packet DiscoveryCommand : CommandPacket { _payload_, }
packet ConnectionManagementCommand : CommandPacket { _payload_, }
packet SecurityCommand : CommandPacket { _payload_, }
packet ScoConnectionCommand : CommandPacket { _payload_, }
packet LeAdvertisingCommand : CommandPacket { _payload_, }
packet LeScanningCommand : CommandPacket { _payload_, }
packet LeConnectionManagementCommand : CommandPacket { _payload_, }
packet LeSecurityCommand : CommandPacket { _payload_, }
packet VendorCommand : CommandPacket { _payload_, }

// HCI Event Packets

enum EventCode : 8 {
  INQUIRY_COMPLETE = 0x01,
  INQUIRY_RESULT = 0x02,
  CONNECTION_COMPLETE = 0x03,
  CONNECTION_REQUEST = 0x04,
  DISCONNECTION_COMPLETE = 0x05,
  AUTHENTICATION_COMPLETE = 0x06,
  REMOTE_NAME_REQUEST_COMPLETE = 0x07,
  ENCRYPTION_CHANGE = 0x08,
  CHANGE_CONNECTION_LINK_KEY_COMPLETE = 0x09,
  MASTER_LINK_KEY_COMPLETE = 0x0A,
  READ_REMOTE_SUPPORTED_FEATURES_COMPLETE = 0x0B,
  READ_REMOTE_VERSION_INFORMATION_COMPLETE = 0x0C,
  QOS_SETUP_COMPLETE = 0x0D,
  COMMAND_COMPLETE = 0x0E,
  COMMAND_STATUS = 0x0F,
  HARDWARE_ERROR = 0x10,
  FLUSH_OCCURRED = 0x11,
  ROLE_CHANGE = 0x12,
  NUMBER_OF_COMPLETED_PACKETS = 0x13,
  MODE_CHANGE = 0x14,
  RETURN_LINK_KEYS = 0x15,
  PIN_CODE_REQUEST = 0x16,
  LINK_KEY_REQUEST = 0x17,
  LINK_KEY_NOTIFICATION = 0x18,
  LOOPBACK_COMMAND = 0x19,
  DATA_BUFFER_OVERFLOW = 0x1A,
  MAX_SLOTS_CHANGE = 0x1B,
  READ_CLOCK_OFFSET_COMPLETE = 0x1C,
  CONNECTION_PACKET_TYPE_CHANGED = 0x1D,
  QOS_VIOLATION = 0x1E,
  PAGE_SCAN_REPETITION_MODE_CHANGE = 0x20,
  FLOW_SPECIFICATION_COMPLETE = 0x21,
  INQUIRY_RESULT_WITH_RSSI = 0x22,
  READ_REMOTE_EXTENDED_FEATURES_COMPLETE = 0x23,
  SYNCHRONOUS_CONNECTION_COMPLETE = 0x2C,
  SYNCHRONOUS_CONNECTION_CHANGED = 0x2D,
  SNIFF_SUBRATING = 0x2E,
  EXTENDED_INQUIRY_RESULT = 0x2F,
  ENCRYPTION_KEY_REFRESH_COMPLETE = 0x30,
  IO_CAPABILITY_REQUEST = 0x31,
  IO_CAPABILITY_RESPONSE = 0x32,
  USER_CONFIRMATION_REQUEST = 0x33,
  USER_PASSKEY_REQUEST = 0x34,
  REMOTE_OOB_DATA_REQUEST = 0x35,
  SIMPLE_PAIRING_COMPLETE = 0x36,
  LINK_SUPERVISION_TIMEOUT_CHANGED = 0x38,
  ENHANCED_FLUSH_COMPLETE = 0x39,
  USER_PASSKEY_NOTIFICATION = 0x3B,
  KEYPRESS_NOTIFICATION = 0x3C,
  REMOTE_HOST_SUPPORTED_FEATURES_NOTIFICATION = 0x3D,
  LE_META_EVENT = 0x3e,
  NUMBER_OF_COMPLETED_DATA_BLOCKS = 0x48,
  VENDOR_SPECIFIC = 0xFF,
}

packet EventPacket {
  event_code : EventCode,
  _size_(_payload_) : 8,
  _payload_,
}

// LE Events

enum SubeventCode : 8 {
  CONNECTION_COMPLETE = 0x01,
  ADVERTISING_REPORT = 0x02,
  CONNECTION_UPDATE_COMPLETE = 0x03,
  READ_REMOTE_FEATURES_COMPLETE = 0x04,
  LONG_TERM_KEY_REQUEST = 0x05,
  REMOTE_CONNECTION_PARAMETER_REQUEST = 0x06,
  DATA_LENGTH_CHANGE = 0x07,
  READ_LOCAL_P256_PUBLIC_KEY_COMPLETE = 0x08,
  GENERATE_DHKEY_COMPLETE = 0x09,
  ENHANCED_CONNECTION_COMPLETE = 0x0a,
  DIRECTED_ADVERTISING_REPORT = 0x0b,
  PHY_UPDATE_COMPLETE = 0x0c,
  EXTENDED_ADVERTISING_REPORT = 0x0D,
  PERIODIC_ADVERTISING_SYNC_ESTABLISHED = 0x0E,
  PERIODIC_ADVERTISING_REPORT = 0x0F,
  PERIODIC_ADVERTISING_SYNC_LOST = 0x10,
  SCAN_TIMEOUT = 0x11,
  ADVERTISING_SET_TERMINATED = 0x12,
  SCAN_REQUEST_RECEIVED = 0x13,
}

// Common definitions for commands and events

enum FeatureFlag : 1 {
  UNSUPPORTED = 0,
  SUPPORTED = 1,
}

enum ErrorCode: 8 {
  SUCCESS = 0x00,
  UNKNOWN_HCI_COMMAND = 0x01,
  UNKNOWN_CONNECTION = 0x02,
  HARDWARE_FAILURE = 0x03,
  PAGE_TIMEOUT = 0x04,
  AUTHENTICATION_FAILURE = 0x05,
  PIN_OR_KEY_MISSING = 0x06,
  MEMORY_CAPACITY_EXCEEDED = 0x07,
  CONNECTION_TIMEOUT = 0x08,
  CONNECTION_LIMIT_EXCEEDED = 0x09,
  SYNCHRONOUS_CONNECTION_LIMIT_EXCEEDED = 0x0A,
  CONNECTION_ALREADY_EXISTS = 0x0B,
  COMMAND_DISALLOWED = 0x0C,
  CONNECTION_REJECTED_LIMITED_RESOURCES = 0x0D,
  CONNECTION_REJECTED_SECURITY_REASONS = 0x0E,
  CONNECTION_REJECTED_UNACCEPTABLE_BD_ADDR = 0x0F,
  CONNECTION_ACCEPT_TIMEOUT = 0x10,
  UNSUPORTED_FEATURE_OR_PARAMETER_VALUE = 0x11,
  INVALID_HCI_COMMAND_PARAMETERS = 0x12,
  REMOTE_USER_TERMINATED_CONNECTION = 0x13,
  REMOTE_DEVICE_TERMINATED_CONNECTION_LOW_RESOURCES = 0x14,
  REMOTE_DEVICE_TERMINATED_CONNECTION_POWER_OFF = 0x15,
  CONNECTION_TERMINATED_BY_LOCAL_HOST = 0x16,
  REPEATED_ATTEMPTS = 0x17,
  PAIRING_NOT_ALLOWED = 0x18,
  UNKNOWN_LMP_PDU = 0x19,
  UNSUPPORTED_REMOTE_OR_LMP_FEATURE = 0x1A,
  SCO_OFFSET_REJECTED = 0x1B,
  SCO_INTERVAL_REJECTED = 0x1C,
  SCO_AIR_MODE_REJECTED = 0x1D,
  INVALID_LMP_OR_LL_PARAMETERS = 0x1E,
  UNSPECIFIED_ERROR = 0x1F,
  UNSUPPORTED_LMP_OR_LL_PARAMETER = 0x20,
  ROLE_CHANGE_NOT_ALLOWED = 0x21,
  ENCRYPTION_MODE_NOT_ACCEPTABLE = 0x25,
  CONTROLLER_BUSY = 0x3A,
}

// Events that are defined with their respective commands

packet CommandComplete : EventPacket (event_code = COMMAND_COMPLETE){
  num_hci_command_packets : 8,
  command_op_code : OpCode,
  _payload_,
}

packet CommandStatus : EventPacket (event_code = COMMAND_STATUS){
  status : ErrorCode, // SUCCESS means PENDING
  num_hci_command_packets : 8,
  command_op_code : OpCode,
  _payload_,
}

  // Credits
packet NoCommandComplete : CommandComplete (command_op_code = NONE){
}

struct Lap { // Lower Address Part
  lap : 6,
  _reserved_ : 2,
  _fixed_ = 0x9e8b : 16,
}

  // LINK_CONTROL
packet Inquiry : DiscoveryCommand (op_code = INQUIRY) {
  lap : Lap,
  inquiry_length : 8, // 0x1 - 0x30 (times 1.28s)
  num_responses : 8, // 0x00 unlimited
}

packet InquiryStatus : CommandStatus (command_op_code = INQUIRY) {
}

packet InquiryCancel : DiscoveryCommand (op_code = INQUIRY_CANCEL) {
}

packet InquiryCancelComplete : CommandComplete (command_op_code = INQUIRY_CANCEL) {
  status : ErrorCode,
}

packet PeriodicInquiryMode : DiscoveryCommand (op_code = PERIODIC_INQUIRY_MODE) {
  max_period_length : 16, // Range 0x0003 to 0xffff (times 1.28s)
  min_period_length : 16, // Range 0x0002 to 0xfffe (times 1.28s)
  lap : Lap,
  inquiry_length : 8, // 0x1 - 0x30 (times 1.28s)
  num_responses : 8, // 0x00 unlimited
}

packet PeriodicInquiryModeComplete : CommandComplete (command_op_code = PERIODIC_INQUIRY_MODE) {
  status : ErrorCode,
}

packet ExitPeriodicInquiryMode : DiscoveryCommand (op_code = EXIT_PERIODIC_INQUIRY_MODE) {
}

packet ExitPeriodicInquiryModeComplete : CommandComplete (command_op_code = EXIT_PERIODIC_INQUIRY_MODE) {
  status : ErrorCode,
}

enum PageScanRepetitionMode : 8 {
  R0 = 0x00,
  R1 = 0x01,
  R2 = 0x02,
}

enum ClockOffsetValid : 1 {
  INVALID = 0,
  VALID = 1,
}

enum CreateConnectionRoleSwitch : 8 {
  REMAIN_MASTER = 0x00,
  ALLOW_ROLE_SWITCH = 0x01,
}

packet CreateConnection : ConnectionManagementCommand (op_code = CREATE_CONNECTION) {
  bd_addr : Address,
  packet_type : 16,
  page_scan_repetition_mode : PageScanRepetitionMode,
  _reserved_ : 8,
  clock_offset : 15,
  clock_offset_valid : ClockOffsetValid,
  allow_role_switch : CreateConnectionRoleSwitch,
}

packet CreateConnectionStatus : CommandStatus (command_op_code = CREATE_CONNECTION) {
}

enum DisconnectReason : 8 {
  AUTHENTICATION_FAILURE = 0x05,
  REMOTE_USER_TERMINATED_CONNECTION = 0x13,
  REMOTE_DEVICE_TERMINATED_CONNECTION_LOW_RESOURCES = 0x14,
  REMOTE_DEVICE_TERMINATED_CONNECTION_POWER_OFF = 0x15,
  UNSUPPORTED_REMOTE_FEATURE = 0x1A,
  PAIRING_WITH_UNIT_KEY_NOT_SUPPORTED = 0x29,
  UNACCEPTABLE_CONNECTION_PARAMETERS = 0x3B,
}

packet Disconnect : ConnectionManagementCommand (op_code = DISCONNECT) {
  connection_handle : 12,
  _reserved_ : 4,
  reason : DisconnectReason,
}

packet DisconnectStatus : CommandStatus (command_op_code = DISCONNECT) {
}

packet CreateConnectionCancel : ConnectionManagementCommand (op_code = CREATE_CONNECTION_CANCEL) {
  bd_addr : Address,
}

packet CreateConnectionCancelComplete : CommandComplete (command_op_code = CREATE_CONNECTION_CANCEL) {
  status : ErrorCode,
  bd_addr : Address,
}

enum AcceptConnectionRequestRole : 8 {
  BECOME_MASTER = 0x00,
  REMAIN_SLAVE = 0x01,
}

packet AcceptConnectionRequest : ConnectionManagementCommand (op_code = ACCEPT_CONNECTION_REQUEST) {
  bd_addr : Address,
  role : AcceptConnectionRequestRole,
}

packet AcceptConnectionRequestStatus : CommandStatus (command_op_code = ACCEPT_CONNECTION_REQUEST) {
}

enum RejectConnectionReason : 8 {
  LIMITED_RESOURCES = 0x0D,
  SECURITY_REASONS = 0x0E,
  UNACCEPTABLE_BD_ADDR = 0x0F,
}

packet RejectConnectionRequest : ConnectionManagementCommand (op_code = REJECT_CONNECTION_REQUEST) {
  bd_addr : Address,
  reason : RejectConnectionReason,
}

packet RejectConnectionRequestStatus : CommandStatus (command_op_code = REJECT_CONNECTION_REQUEST) {
}

packet LinkKeyRequestReply : SecurityCommand (op_code = LINK_KEY_REQUEST_REPLY) {
  bd_addr : Address,
  link_key : 8[16],
}

packet LinkKeyRequestReplyComplete : CommandComplete (command_op_code = LINK_KEY_REQUEST_REPLY) {
  status : ErrorCode,
}

packet LinkKeyRequestNegativeReply : SecurityCommand (op_code = LINK_KEY_REQUEST_NEGATIVE_REPLY) {
  bd_addr : Address,
}

packet LinkKeyRequestNegativeReplyComplete : CommandComplete (command_op_code = LINK_KEY_REQUEST_NEGATIVE_REPLY) {
  status : ErrorCode,
  bd_addr : Address,
}

packet PinCodeRequestReply : SecurityCommand (op_code = PIN_CODE_REQUEST_REPLY) {
  bd_addr : Address,
  pin_code_length : 5, // 0x01 - 0x10
  _reserved_ : 3,
  pin_code : 8[16], // string parameter, first octet first
}

packet PinCodeRequestReplyComplete : CommandComplete (command_op_code = PIN_CODE_REQUEST_REPLY) {
  status : ErrorCode,
  bd_addr : Address,
}

packet PinCodeRequestNegativeReply : SecurityCommand (op_code = PIN_CODE_REQUEST_NEGATIVE_REPLY) {
  bd_addr : Address,
}

packet PinCodeRequestNegativeReplyComplete : CommandComplete (command_op_code = PIN_CODE_REQUEST_NEGATIVE_REPLY) {
  status : ErrorCode,
  bd_addr : Address,
}

packet ChangeConnectionPacketType : ConnectionManagementCommand (op_code = CHANGE_CONNECTION_PACKET_TYPE) {
  connection_handle : 12,
  _reserved_ : 4,
  packet_type : 16,
}

packet ChangeConnectionPacketTypeStatus : CommandStatus (command_op_code = CHANGE_CONNECTION_PACKET_TYPE) {
}

packet AuthenticationRequested : ConnectionManagementCommand (op_code = AUTHENTICATION_REQUESTED) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet AuthenticationRequestedStatus : CommandStatus (command_op_code = AUTHENTICATION_REQUESTED) {
}

packet SetConnectionEncryption : ConnectionManagementCommand (op_code = SET_CONNECTION_ENCRYPTION) {
  connection_handle : 12,
  _reserved_ : 4,
  encryption_enable : Enable,
}

packet SetConnectionEncryptionStatus : CommandStatus (command_op_code = SET_CONNECTION_ENCRYPTION) {
}

packet ChangeConnectionLinkKey : ConnectionManagementCommand (op_code = CHANGE_CONNECTION_LINK_KEY) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet ChangeConnectionLinkKeyStatus : CommandStatus (command_op_code = CHANGE_CONNECTION_LINK_KEY) {
}

enum KeyFlag : 8 {
  SEMI_PERMANENT = 0x00,
  TEMPORARY = 0x01,
}

packet MasterLinkKey : ConnectionManagementCommand (op_code = MASTER_LINK_KEY) {
  key_flag : KeyFlag,
}

packet MasterLinkKeyStatus : CommandStatus (command_op_code = MASTER_LINK_KEY) {
}

packet RemoteNameRequest : DiscoveryCommand (op_code = REMOTE_NAME_REQUEST) {
  bd_addr : Address,
  page_scan_repetition_mode : PageScanRepetitionMode,
  _reserved_ : 8,
  clock_offset : 15,
  clock_offset_valid : ClockOffsetValid,
}

packet RemoteNameRequestStatus : CommandStatus (command_op_code = REMOTE_NAME_REQUEST) {
}

packet RemoteNameRequestCancel : DiscoveryCommand (op_code = REMOTE_NAME_REQUEST_CANCEL) {
  bd_addr : Address,
}

packet RemoteNameRequestCancelComplete : CommandComplete (command_op_code = REMOTE_NAME_REQUEST_CANCEL) {
  status : ErrorCode,
  bd_addr : Address,
}

packet ReadRemoteSupportedFeatures : DiscoveryCommand (op_code = READ_REMOTE_SUPPORTED_FEATURES) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadRemoteSupportedFeaturesStatus : CommandStatus (command_op_code = READ_REMOTE_SUPPORTED_FEATURES) {
}

packet ReadRemoteExtendedFeatures : DiscoveryCommand (op_code = READ_REMOTE_EXTENDED_FEATURES) {
  connection_handle : 12,
  _reserved_ : 4,
  page_number : 8,
}

packet ReadRemoteExtendedFeaturesStatus : CommandStatus (command_op_code = READ_REMOTE_EXTENDED_FEATURES) {
}

packet ReadRemoteVersionInformation : DiscoveryCommand (op_code = READ_REMOTE_VERSION_INFORMATION) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadRemoteVersionInformationStatus : CommandStatus (command_op_code = READ_REMOTE_VERSION_INFORMATION) {
}

packet ReadClockOffset : ConnectionManagementCommand (op_code = READ_CLOCK_OFFSET) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadClockOffsetStatus : CommandStatus (command_op_code = READ_CLOCK_OFFSET) {
}

packet ReadLmpHandle : ConnectionManagementCommand (op_code = READ_LMP_HANDLE) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadLmpHandleComplete : CommandComplete (command_op_code = READ_LMP_HANDLE) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  lmp_handle : 8,
  _reserved_ : 32,
}

packet SetupSynchronousConnection : ScoConnectionCommand (op_code = SETUP_SYNCHRONOUS_CONNECTION) {
  _payload_,  // placeholder (unimplemented)
}

packet AcceptSynchronousConnection : ScoConnectionCommand (op_code = ACCEPT_SYNCHRONOUS_CONNECTION) {
  _payload_,  // placeholder (unimplemented)
}

packet RejectSynchronousConnection : ScoConnectionCommand (op_code = REJECT_SYNCHRONOUS_CONNECTION) {
  _payload_,  // placeholder (unimplemented)
}

enum IoCapability : 8 {
  DISPLAY_ONLY = 0x00,
  DISPLAY_YES_NO = 0x01,
  KEYBOARD_ONLY = 0x02,
  NO_INPUT_NO_OUTPUT = 0x03,
}

enum OobDataPresent : 8 {
  NOT_PRESENT = 0x00,
  P_192_PRESENT = 0x01,
  P_256_PRESENT = 0x02,
  P_192_AND_256_PRESENT = 0x03,
}

enum AuthenticationRequirements : 8 {
  NO_BONDING = 0x00,
  NO_BONDING_MITM_PROTECTION = 0x01,
  DEDICATED_BONDING = 0x02,
  DEDICATED_BONDING_MITM_PROTECTION = 0x03,
  GENERAL_BONDING = 0x04,
  GENERAL_BONDING_MITM_PROTECTION = 0x05,
}

packet IoCapabilityRequestReply : SecurityCommand (op_code = IO_CAPABILITY_REQUEST_REPLY) {
  bd_addr : Address,
  io_capability : IoCapability,
  oob_present : OobDataPresent,
  authentication_requirements : AuthenticationRequirements,
}

packet IoCapabilityRequestReplyComplete : CommandComplete (command_op_code = IO_CAPABILITY_REQUEST_REPLY) {
  status : ErrorCode,
  bd_addr : Address,
}

packet UserConfirmationRequestReply : SecurityCommand (op_code = USER_CONFIRMATION_REQUEST_REPLY) {
  bd_addr : Address,
}

packet UserConfirmationRequestReplyComplete : CommandComplete (command_op_code = USER_CONFIRMATION_REQUEST_REPLY) {
  status : ErrorCode,
  bd_addr : Address,
}

packet UserConfirmationRequestNegativeReply : SecurityCommand (op_code = USER_CONFIRMATION_REQUEST_NEGATIVE_REPLY) {
  bd_addr : Address,
}

packet UserConfirmationRequestNegativeReplyComplete : CommandComplete (command_op_code = USER_CONFIRMATION_REQUEST_NEGATIVE_REPLY) {
  status : ErrorCode,
  bd_addr : Address,
}

packet UserPasskeyRequestReply : SecurityCommand (op_code = USER_PASSKEY_REQUEST_REPLY) {
  bd_addr : Address,
  numeric_value : 32, // 000000-999999 decimal or 0x0-0xF423F
}

packet UserPasskeyRequestReplyComplete : CommandComplete (command_op_code = USER_PASSKEY_REQUEST_REPLY) {
  status : ErrorCode,
  bd_addr : Address,
}

packet UserPasskeyRequestNegativeReply : SecurityCommand (op_code = USER_PASSKEY_REQUEST_NEGATIVE_REPLY) {
  bd_addr : Address,
}

packet UserPasskeyRequestNegativeReplyComplete : CommandComplete (command_op_code = USER_PASSKEY_REQUEST_NEGATIVE_REPLY) {
  status : ErrorCode,
  bd_addr : Address,
}

packet RemoteOobDataRequestReply : SecurityCommand (op_code = REMOTE_OOB_DATA_REQUEST_REPLY) {
  bd_addr : Address,
  c : 8[16],
  r : 8[16],
}

packet RemoteOobDataRequestReplyComplete : CommandComplete (command_op_code = REMOTE_OOB_DATA_REQUEST_REPLY) {
  status : ErrorCode,
  bd_addr : Address,
}

packet RemoteOobDataRequestNegativeReply : SecurityCommand (op_code = REMOTE_OOB_DATA_REQUEST_NEGATIVE_REPLY) {
  bd_addr : Address,
}

packet RemoteOobDataRequestNegativeReplyComplete : CommandComplete (command_op_code = REMOTE_OOB_DATA_REQUEST_NEGATIVE_REPLY) {
  status : ErrorCode,
  bd_addr : Address,
}

packet IoCapabilityRequestNegativeReply : SecurityCommand (op_code = IO_CAPABILITY_REQUEST_NEGATIVE_REPLY) {
  bd_addr : Address,
  reason : ErrorCode,
}

packet IoCapabilityRequestNegativeReplyComplete : CommandComplete (command_op_code = IO_CAPABILITY_REQUEST_NEGATIVE_REPLY) {
  status : ErrorCode,
  bd_addr : Address,
}

packet EnhancedSetupSynchronousConnection : ScoConnectionCommand (op_code = ENHANCED_SETUP_SYNCHRONOUS_CONNECTION) {
  _payload_,  // placeholder (unimplemented)
}

packet EnhancedAcceptSynchronousConnection : ScoConnectionCommand (op_code = ENHANCED_ACCEPT_SYNCHRONOUS_CONNECTION) {
  _payload_,  // placeholder (unimplemented)
}


  // LINK_POLICY
packet HoldMode : ConnectionManagementCommand (op_code = HOLD_MODE) {
  connection_handle : 12,
  _reserved_ : 4,
  hold_mode_max_interval: 16, // 0x0002-0xFFFE (1.25ms-40.9s)
  hold_mode_min_interval: 16, // 0x0002-0xFFFE (1.25ms-40.9s)
}

packet HoldModeStatus : CommandStatus (command_op_code = HOLD_MODE) {
}


packet SniffMode : ConnectionManagementCommand (op_code = SNIFF_MODE) {
  connection_handle : 12,
  _reserved_ : 4,
  sniff_max_interval: 16, // 0x0002-0xFFFE (1.25ms-40.9s)
  sniff_min_interval: 16, // 0x0002-0xFFFE (1.25ms-40.9s)
  sniff_attempt: 16, // 0x0001-0x7FFF (1.25ms-40.9s)
  sniff_timeout: 16, // 0x0000-0x7FFF (0ms-40.9s)
}

packet SniffModeStatus : CommandStatus (command_op_code = SNIFF_MODE) {
}


packet ExitSniffMode : ConnectionManagementCommand (op_code = EXIT_SNIFF_MODE) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet ExitSniffModeStatus : CommandStatus (command_op_code = EXIT_SNIFF_MODE) {
}

enum ServiceType : 8 {
  NO_TRAFFIC = 0x00,
  BEST_EFFORT = 0x01,
  GUARANTEED = 0x02,
}

packet QosSetup : ConnectionManagementCommand (op_code = QOS_SETUP) {
  connection_handle : 12,
  _reserved_ : 4,
  _reserved_ : 8,
  service_type : ServiceType,
  token_rate : 32, // Octets/s
  peak_bandwidth : 32, // Octets/s
  latency : 32, // Octets/s
  delay_variation : 32, // microseconds
}

packet QosSetupStatus : CommandStatus (command_op_code = QOS_SETUP) {
}

packet RoleDiscovery : ConnectionManagementCommand (op_code = ROLE_DISCOVERY) {
  connection_handle : 12,
  _reserved_ : 4,
}

enum Role : 8 {
  MASTER = 0x00,
  SLAVE = 0x01,
}

packet RoleDiscoveryComplete : CommandComplete (command_op_code = ROLE_DISCOVERY) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  current_role : Role,
}

packet SwitchRole : ConnectionManagementCommand (op_code = SWITCH_ROLE) {
  bd_addr : Address,
  role : Role,
}

packet SwitchRoleStatus : CommandStatus (command_op_code = SWITCH_ROLE) {
}


packet ReadLinkPolicySettings : ConnectionManagementCommand (op_code = READ_LINK_POLICY_SETTINGS) {
  connection_handle : 12,
  _reserved_ : 4,
}

enum LinkPolicy : 16 {
  ENABLE_ROLE_SWITCH = 0x01,
  ENABLE_HOLD_MODE = 0x02,
  ENABLE_SNIFF_MODE = 0x04,
  ENABLE_PARK_MODE = 0x08, // deprecated after 5.0
}

packet ReadLinkPolicySettingsComplete : CommandComplete (command_op_code = READ_LINK_POLICY_SETTINGS) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  link_policy_settings : 16,
}

packet WriteLinkPolicySettings : ConnectionManagementCommand (op_code = WRITE_LINK_POLICY_SETTINGS) {
  connection_handle : 12,
  _reserved_ : 4,
  link_policy_settings : 16,
}

packet WriteLinkPolicySettingsComplete : CommandComplete (command_op_code = WRITE_LINK_POLICY_SETTINGS) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadDefaultLinkPolicySettings : ConnectionManagementCommand (op_code = READ_DEFAULT_LINK_POLICY_SETTINGS) {
}

packet ReadDefaultLinkPolicySettingsComplete : CommandComplete (command_op_code = READ_DEFAULT_LINK_POLICY_SETTINGS) {
  status : ErrorCode,
  default_link_policy_settings : 16,
}

packet WriteDefaultLinkPolicySettings : ConnectionManagementCommand (op_code = WRITE_DEFAULT_LINK_POLICY_SETTINGS) {
  default_link_policy_settings : 16,
}

packet WriteDefaultLinkPolicySettingsComplete : CommandComplete (command_op_code = WRITE_DEFAULT_LINK_POLICY_SETTINGS) {
  status : ErrorCode,
}

enum FlowDirection : 8 {
  OUTGOING_FLOW = 0x00,
  INCOMING_FLOW = 0x01,
}

packet FlowSpecification : ConnectionManagementCommand (op_code = FLOW_SPECIFICATION) {
  connection_handle : 12,
  _reserved_ : 4,
  _reserved_ : 8,
  flow_direction : FlowDirection,
  service_type : ServiceType,
  token_rate : 32, // Octets/s
  token_bucket_size : 32,
  peak_bandwidth : 32, // Octets/s
  access_latency : 32, // Octets/s
}

packet FlowSpecificationStatus : CommandStatus (command_op_code = FLOW_SPECIFICATION) {
}

packet SniffSubrating : ConnectionManagementCommand (op_code = SNIFF_SUBRATING) {
  connection_handle : 12,
  _reserved_ : 4,
  maximum_latency : 16,  // 0x0002-0xFFFE (1.25ms-40.9s)
  minimum_remote_timeout : 16, // 0x0000-0xFFFE (0-40.9s)
  minimum_local_timeout: 16, // 0x0000-0xFFFE (0-40.9s)
}

packet SniffSubratingComplete : CommandComplete (command_op_code = SNIFF_SUBRATING) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
}

  // CONTROLLER_AND_BASEBAND
packet SetEventMask : CommandPacket (op_code = SET_EVENT_MASK) {
  event_mask : 64,
}

packet SetEventMaskComplete : CommandComplete (command_op_code = SET_EVENT_MASK) {
  status : ErrorCode,
}

packet Reset : CommandPacket (op_code = RESET) {
}

packet ResetComplete : CommandComplete (command_op_code = RESET) {
  status : ErrorCode,
}

enum FilterType : 8 {
  CLEAR_ALL_FILTERS = 0x00,
  INQUIRY_RESULT = 0x01,
  CONNECTION_SETUP = 0x02,
}

packet SetEventFilter : CommandPacket (op_code = SET_EVENT_FILTER) {
  filter_type : FilterType,
  _body_,
}

packet SetEventFilterComplete : CommandComplete (command_op_code = SET_EVENT_FILTER) {
  status : ErrorCode,
}

packet SetEventFilterClearAll : SetEventFilter (filter_type = CLEAR_ALL_FILTERS) {
}

enum FilterConditionType : 8 {
  ALL_DEVICES = 0x00,
  CLASS_OF_DEVICE = 0x01,
  ADDRESS = 0x02,
}

packet SetEventFilterInquiryResult : SetEventFilter (filter_type = INQUIRY_RESULT) {
  filter_condition_type : FilterConditionType,
  _body_,
}

packet SetEventFilterInquiryResultAllDevices : SetEventFilterInquiryResult (filter_condition_type = ALL_DEVICES) {
}

packet SetEventFilterInquiryResultClassOfDevice : SetEventFilterInquiryResult (filter_condition_type = CLASS_OF_DEVICE) {
  class_of_device : ClassOfDevice,
  class_of_device_mask : ClassOfDevice,
}

packet SetEventFilterInquiryResultAddress : SetEventFilterInquiryResult (filter_condition_type = ADDRESS) {
  address : Address,
}

packet SetEventFilterConnectionSetup : SetEventFilter (filter_type = CONNECTION_SETUP) {
  filter_condition_type : FilterConditionType,
  _body_,
}

enum AutoAcceptFlag : 8 {
  AUTO_ACCEPT_OFF = 0x01,
  AUTO_ACCEPT_ON_ROLE_SWITCH_DISABLED = 0x02,
  AUTO_ACCEPT_ON_ROLE_SWITCH_ENABLED = 0x03,
}

packet SetEventFilterConnectionSetupAllDevices : SetEventFilterConnectionSetup (filter_condition_type = ALL_DEVICES) {
  auto_accept_flag : AutoAcceptFlag,
}

packet SetEventFilterConnectionSetupClassOfDevice : SetEventFilterConnectionSetup (filter_condition_type = CLASS_OF_DEVICE) {
  class_of_device : ClassOfDevice,
  class_of_device_mask : ClassOfDevice,
  auto_accept_flag : AutoAcceptFlag,
}

packet SetEventFilterConnectionSetupAddress : SetEventFilterConnectionSetup (filter_condition_type = ADDRESS) {
  address : Address,
  auto_accept_flag : AutoAcceptFlag,
}

packet Flush : ConnectionManagementCommand (op_code = FLUSH) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet FlushComplete : CommandComplete (command_op_code = FLUSH) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadPinType : CommandPacket (op_code = READ_PIN_TYPE) {
  _payload_,  // placeholder (unimplemented)
}

packet WritePinType : CommandPacket (op_code = WRITE_PIN_TYPE) {
  _payload_,  // placeholder (unimplemented)
}

packet CreateNewUnitKey : CommandPacket (op_code = CREATE_NEW_UNIT_KEY) {
  _payload_,  // placeholder (unimplemented)
}

enum ReadStoredLinkKeyReadAllFlag : 8 {
  SPECIFIED_BD_ADDR = 0x00,
  ALL = 0x01,
}

packet ReadStoredLinkKey : SecurityCommand (op_code = READ_STORED_LINK_KEY) {
  bd_addr : Address,
  read_all_flag : ReadStoredLinkKeyReadAllFlag,
}

packet ReadStoredLinkKeyComplete : CommandComplete (command_op_code = READ_STORED_LINK_KEY) {
  status : ErrorCode,
  max_num_keys : 16,
  num_keys_read : 16,
}

struct KeyAndAddress {
  address : Address,
  link_key : 8[16],
}

packet WriteStoredLinkKey : SecurityCommand (op_code = WRITE_STORED_LINK_KEY) {
  _count_(keys_to_write) : 8, // 0x01-0x0B
  keys_to_write : KeyAndAddress[],
}

packet WriteStoredLinkKeyComplete : CommandComplete (command_op_code = WRITE_STORED_LINK_KEY) {
  status : ErrorCode,
  num_keys_written : 8,
}

enum DeleteStoredLinkKeyDeleteAllFlag : 8 {
  SPECIFIED_BD_ADDR = 0x00,
  ALL = 0x01,
}

packet DeleteStoredLinkKey : SecurityCommand (op_code = DELETE_STORED_LINK_KEY) {
  bd_addr : Address,
  delete_all_flag : DeleteStoredLinkKeyDeleteAllFlag,
}

packet DeleteStoredLinkKeyComplete : CommandComplete (command_op_code = DELETE_STORED_LINK_KEY) {
  status : ErrorCode,
  num_keys_deleted : 16,
}

packet WriteLocalName : CommandPacket (op_code = WRITE_LOCAL_NAME) {
  local_name : 8[248], // Null-terminated UTF-8 encoded name
}

packet WriteLocalNameComplete : CommandComplete (command_op_code = WRITE_LOCAL_NAME) {
  status : ErrorCode,
}

packet ReadLocalName : CommandPacket (op_code = READ_LOCAL_NAME) {
}

packet ReadLocalNameComplete : CommandComplete (command_op_code = READ_LOCAL_NAME) {
  status : ErrorCode,
  local_name : 8[248], // Null-terminated UTF-8 encoded name
}

packet ReadConnectionAcceptTimeout : ConnectionManagementCommand (op_code = READ_CONNECTION_ACCEPT_TIMEOUT) {
  _payload_,  // placeholder (unimplemented)
}

packet WriteConnectionAcceptTimeout : ConnectionManagementCommand (op_code = WRITE_CONNECTION_ACCEPT_TIMEOUT) {
  _payload_,  // placeholder (unimplemented)
}

packet ReadPageTimeout : DiscoveryCommand (op_code = READ_PAGE_TIMEOUT) {
}

packet ReadPageTimeoutComplete : CommandComplete (command_op_code = READ_PAGE_TIMEOUT) {
  status : ErrorCode,
  page_timeout : 16,
}

packet WritePageTimeout : DiscoveryCommand (op_code = WRITE_PAGE_TIMEOUT) {
  page_timeout : 16,
}

packet WritePageTimeoutComplete : CommandComplete (command_op_code = WRITE_PAGE_TIMEOUT) {
  status : ErrorCode,
}

enum ScanEnable : 8 {
  NO_SCANS = 0x00,
  INQUIRY_SCAN_ONLY = 0x01,
  PAGE_SCAN_ONLY = 0x02,
  INQUIRY_AND_PAGE_SCAN = 0x03,
}

packet ReadScanEnable : DiscoveryCommand (op_code = READ_SCAN_ENABLE) {
}

packet ReadScanEnableComplete : CommandComplete (command_op_code = READ_SCAN_ENABLE) {
  status : ErrorCode,
  scan_enable : ScanEnable,
}

packet WriteScanEnable : DiscoveryCommand (op_code = WRITE_SCAN_ENABLE) {
  scan_enable : ScanEnable,
}

packet WriteScanEnableComplete : CommandComplete (command_op_code = WRITE_SCAN_ENABLE) {
  status : ErrorCode,
}

packet ReadPageScanActivity : DiscoveryCommand (op_code = READ_PAGE_SCAN_ACTIVITY) {
}

packet ReadPageScanActivityComplete : CommandComplete (command_op_code = READ_PAGE_SCAN_ACTIVITY) {
  status : ErrorCode,
  page_scan_interval : 16, // Range: 0x0012 to 0x1000; only even values are valid * 0x625 ms
  page_scan_window : 16, // 0x0011 to PageScanInterval
}

packet WritePageScanActivity : DiscoveryCommand (op_code = WRITE_PAGE_SCAN_ACTIVITY) {
  page_scan_interval : 16, // Range: 0x0012 to 0x1000; only even values are valid * 0x625 ms
  page_scan_window : 16, // 0x0011 to PageScanInterval
}

packet WritePageScanActivityComplete : CommandComplete (command_op_code = WRITE_PAGE_SCAN_ACTIVITY) {
  status : ErrorCode,
}

packet ReadInquiryScanActivity : DiscoveryCommand (op_code = READ_INQUIRY_SCAN_ACTIVITY) {
}

packet ReadInquiryScanActivityComplete : CommandComplete (command_op_code = READ_INQUIRY_SCAN_ACTIVITY) {
  status : ErrorCode,
  inquiry_scan_interval : 16, // Range: 0x0012 to 0x1000; only even values are valid * 0x625 ms
  inquiry_scan_window : 16, // Range: 0x0011 to 0x1000
}

packet WriteInquiryScanActivity : DiscoveryCommand (op_code = WRITE_INQUIRY_SCAN_ACTIVITY) {
  inquiry_scan_interval : 16, // Range: 0x0012 to 0x1000; only even values are valid * 0x625 ms
  inquiry_scan_window : 16, // Range: 0x0011 to 0x1000
}

packet WriteInquiryScanActivityComplete : CommandComplete (command_op_code = WRITE_INQUIRY_SCAN_ACTIVITY) {
  status : ErrorCode,
}

enum AuthenticationEnable : 8 {
  NOT_REQUIRED = 0x00,
  REQUIRED = 0x01,
}

packet ReadAuthenticationEnable : CommandPacket (op_code = READ_AUTHENTICATION_ENABLE) {
}

packet ReadAuthenticationEnableComplete : CommandComplete (command_op_code = READ_AUTHENTICATION_ENABLE) {
  status : ErrorCode,
  authentication_enable : AuthenticationEnable,
}

packet WriteAuthenticationEnable : SecurityCommand (op_code = WRITE_AUTHENTICATION_ENABLE) {
  authentication_enable : AuthenticationEnable,
}

packet WriteAuthenticationEnableComplete : CommandComplete (command_op_code = WRITE_AUTHENTICATION_ENABLE) {
  status : ErrorCode,
}

packet ReadClassOfDevice : DiscoveryCommand (op_code = READ_CLASS_OF_DEVICE) {
}

packet ReadClassOfDeviceComplete : CommandComplete (command_op_code = READ_CLASS_OF_DEVICE) {
  status : ErrorCode,
  class_of_device : ClassOfDevice,
}

packet WriteClassOfDevice : DiscoveryCommand (op_code = WRITE_CLASS_OF_DEVICE) {
  class_of_device : ClassOfDevice,
}

packet WriteClassOfDeviceComplete : CommandComplete (command_op_code = WRITE_CLASS_OF_DEVICE) {
  status : ErrorCode,
}

packet ReadVoiceSetting : CommandPacket (op_code = READ_VOICE_SETTING) {
  _payload_,  // placeholder (unimplemented)
}

packet WriteVoiceSetting : CommandPacket (op_code = WRITE_VOICE_SETTING) {
  _payload_,  // placeholder (unimplemented)
}

packet WriteVoiceSettingComplete : CommandComplete (command_op_code = WRITE_VOICE_SETTING) {
  status : ErrorCode,
}

packet ReadAutomaticFlushTimeout : ConnectionManagementCommand (op_code = READ_AUTOMATIC_FLUSH_TIMEOUT) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadAutomaticFlushTimeoutComplete : CommandComplete (command_op_code = READ_AUTOMATIC_FLUSH_TIMEOUT) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  flush_timeout : 16,
}

packet WriteAutomaticFlushTimeout : ConnectionManagementCommand (op_code = WRITE_AUTOMATIC_FLUSH_TIMEOUT) {
  connection_handle : 12,
  _reserved_ : 4,
  flush_timeout : 16, // 0x0000-0x07FF Default 0x0000 (No Automatic Flush)
}

packet WriteAutomaticFlushTimeoutComplete : CommandComplete (command_op_code = WRITE_AUTOMATIC_FLUSH_TIMEOUT) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadNumBroadcastRetransmits : CommandPacket (op_code = READ_NUM_BROADCAST_RETRANSMITS) {
  _payload_,  // placeholder (unimplemented)
}

packet WriteNumBroadcastRetransmits : CommandPacket (op_code = WRITE_NUM_BROADCAST_RETRANSMITS) {
  _payload_,  // placeholder (unimplemented)
}

packet ReadHoldModeActivity : CommandPacket (op_code = READ_HOLD_MODE_ACTIVITY) {
  _payload_,  // placeholder (unimplemented)
}

packet WriteHoldModeActivity : CommandPacket (op_code = WRITE_HOLD_MODE_ACTIVITY) {
  _payload_,  // placeholder (unimplemented)
}


enum TransmitPowerLevelType : 8 {
  CURRENT = 0x00,
  MAXIMUM = 0x01,
}

packet ReadTransmitPowerLevel : ConnectionManagementCommand (op_code = READ_TRANSMIT_POWER_LEVEL) {
  connection_handle : 12,
  _reserved_ : 4,
  type : TransmitPowerLevelType,

}

packet ReadTransmitPowerLevelComplete : CommandComplete (command_op_code = READ_TRANSMIT_POWER_LEVEL) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  transmit_power_level : 8,
}

packet ReadSynchronousFlowControlEnable : CommandPacket (op_code = READ_SYNCHRONOUS_FLOW_CONTROL_ENABLE) {
  _payload_,  // placeholder (unimplemented)
}

packet WriteSynchronousFlowControlEnable : CommandPacket (op_code = WRITE_SYNCHRONOUS_FLOW_CONTROL_ENABLE) {
  _payload_,  // placeholder (unimplemented)
}

packet SetControllerToHostFlowControl : CommandPacket (op_code = SET_CONTROLLER_TO_HOST_FLOW_CONTROL) {
  _payload_,  // placeholder (unimplemented)
}

packet HostBufferSize : CommandPacket (op_code = HOST_BUFFER_SIZE) {
  host_acl_data_packet_length : 16,
  host_synchronous_data_packet_length : 8,
  host_total_num_acl_data_packets : 16,
  host_total_num_synchronous_data_packets : 16,
}

packet HostBufferSizeComplete : CommandComplete (command_op_code = HOST_BUFFER_SIZE) {
  status : ErrorCode,
}

struct CompletedPackets {
  connection_handle : 12,
  _reserved_ : 4,
  host_num_of_completed_packets : 16,
}

packet HostNumCompletedPackets : CommandPacket (op_code = HOST_NUM_COMPLETED_PACKETS) {
  _count_(completed_packets) : 8,
  completed_packets : CompletedPackets[],
}

packet HostNumCompletedPacketsError : CommandComplete (command_op_code = HOST_NUM_COMPLETED_PACKETS) {
  error_code : ErrorCode,
}

packet ReadLinkSupervisionTimeout : ConnectionManagementCommand (op_code = READ_LINK_SUPERVISION_TIMEOUT) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadLinkSupervisionTimeoutComplete : CommandComplete (command_op_code = READ_LINK_SUPERVISION_TIMEOUT) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  link_supervision_timeout : 16, // 0x001-0xFFFF (0.625ms-40.9s)
}

packet WriteLinkSupervisionTimeout : ConnectionManagementCommand (op_code = WRITE_LINK_SUPERVISION_TIMEOUT) {
  handle : 12,
  _reserved_ : 4,
  link_supervision_timeout : 16, // 0x001-0xFFFF (0.625ms-40.9s)
}

packet WriteLinkSupervisionTimeoutComplete : CommandComplete (command_op_code = WRITE_LINK_SUPERVISION_TIMEOUT) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadNumberOfSupportedIac : DiscoveryCommand (op_code = READ_NUMBER_OF_SUPPORTED_IAC) {
}

packet ReadNumberOfSupportedIacComplete : CommandComplete (command_op_code = READ_NUMBER_OF_SUPPORTED_IAC) {
  status : ErrorCode,
  num_support_iac : 8,
}

packet ReadCurrentIacLap : DiscoveryCommand (op_code = READ_CURRENT_IAC_LAP) {
}

packet ReadCurrentIacLapComplete : CommandComplete (command_op_code = READ_CURRENT_IAC_LAP) {
  status : ErrorCode,
  _count_(laps_to_read) : 8,
  laps_to_read : Lap[],
}

packet WriteCurrentIacLap : DiscoveryCommand (op_code = WRITE_CURRENT_IAC_LAP) {
  _count_(laps_to_write) : 8,
  laps_to_write : Lap[],
}

packet WriteCurrentIacLapComplete : CommandComplete (command_op_code = WRITE_CURRENT_IAC_LAP) {
  status : ErrorCode,
}

packet SetAfhHostChannelClassification : CommandPacket (op_code = SET_AFH_HOST_CHANNEL_CLASSIFICATION) {
  _payload_,  // placeholder (unimplemented)
}

enum InquiryScanType : 8 {
  STANDARD = 0x00,
  INTERLACED = 0x01,
}

packet ReadInquiryScanType : DiscoveryCommand (op_code = READ_INQUIRY_SCAN_TYPE) {
}

packet ReadInquiryScanTypeComplete : CommandComplete (command_op_code = READ_INQUIRY_SCAN_TYPE) {
  status : ErrorCode,
  inquiry_scan_type : InquiryScanType,
}

packet WriteInquiryScanType : DiscoveryCommand (op_code = WRITE_INQUIRY_SCAN_TYPE) {
  inquiry_scan_type : InquiryScanType,
}

packet WriteInquiryScanTypeComplete : CommandComplete (command_op_code = WRITE_INQUIRY_SCAN_TYPE) {
  status : ErrorCode,
}

enum InquiryMode : 8 {
  STANDARD = 0x00,
  RSSI = 0x01,
  RSSI_OR_EXTENDED = 0x02,
}

packet ReadInquiryMode : DiscoveryCommand (op_code = READ_INQUIRY_MODE) {
}

packet ReadInquiryModeComplete : CommandComplete (command_op_code = READ_INQUIRY_MODE) {
  status : ErrorCode,
  inquiry_mode : InquiryMode,
}

packet WriteInquiryMode : DiscoveryCommand (op_code = WRITE_INQUIRY_MODE) {
  inquiry_mode : InquiryMode,
}

packet WriteInquiryModeComplete : CommandComplete (command_op_code = WRITE_INQUIRY_MODE) {
  status : ErrorCode,
}

enum PageScanType : 8 {
  STANDARD = 0x00,
  INTERLACED = 0x01,
}

packet ReadPageScanType : DiscoveryCommand (op_code = READ_PAGE_SCAN_TYPE) {
}

packet ReadPageScanTypeComplete : CommandComplete (command_op_code = READ_PAGE_SCAN_TYPE) {
  status : ErrorCode,
  page_scan_type : PageScanType,
}

packet WritePageScanType : DiscoveryCommand (op_code = WRITE_PAGE_SCAN_TYPE) {
  page_scan_type : PageScanType,
}

packet WritePageScanTypeComplete : CommandComplete (command_op_code = WRITE_PAGE_SCAN_TYPE) {
  status : ErrorCode,
}

packet ReadAfhChannelAssessmentMode : CommandPacket (op_code = READ_AFH_CHANNEL_ASSESSMENT_MODE) {
  _payload_,  // placeholder (unimplemented)
}

packet WriteAfhChannelAssessmentMode : CommandPacket (op_code = WRITE_AFH_CHANNEL_ASSESSMENT_MODE) {
  _payload_,  // placeholder (unimplemented)
}

enum FecRequired : 8 {
  NOT_REQUIRED = 0x00,
  REQUIRED = 0x01,
}

packet ReadExtendedInquiryResponse : CommandPacket (op_code = READ_EXTENDED_INQUIRY_RESPONSE) {
}

packet ReadExtendedInquiryResponseComplete : CommandComplete (command_op_code = READ_EXTENDED_INQUIRY_RESPONSE) {
  status : ErrorCode,
  fec_required : FecRequired,
  extended_inquiry_response : GapData[],
}

packet WriteExtendedInquiryResponse : CommandPacket (op_code = WRITE_EXTENDED_INQUIRY_RESPONSE) {
  fec_required : FecRequired,
  extended_inquiry_response : GapData[],
  _padding_[244], // Zero padding to be 240 octets (GapData[]) + 2 (opcode) + 1 (size) + 1 (FecRequired)
}

packet WriteExtendedInquiryResponseComplete : CommandComplete (command_op_code = WRITE_EXTENDED_INQUIRY_RESPONSE) {
  status : ErrorCode,
}

packet RefreshEncryptionKey : SecurityCommand (op_code = REFRESH_ENCRYPTION_KEY) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet RefreshEncryptionKeyStatus : CommandStatus (command_op_code = REFRESH_ENCRYPTION_KEY) {
}

packet ReadSimplePairingMode : SecurityCommand (op_code = READ_SIMPLE_PAIRING_MODE) {
}

packet ReadSimplePairingModeComplete : CommandComplete (command_op_code = READ_SIMPLE_PAIRING_MODE) {
  status : ErrorCode,
  simple_pairing_mode : Enable,
}

packet WriteSimplePairingMode : SecurityCommand (op_code = WRITE_SIMPLE_PAIRING_MODE) {
  simple_pairing_mode : Enable,
}

packet WriteSimplePairingModeComplete : CommandComplete (command_op_code = WRITE_SIMPLE_PAIRING_MODE) {
  status : ErrorCode,
}

packet ReadLocalOobData : SecurityCommand (op_code = READ_LOCAL_OOB_DATA) {
}

packet ReadLocalOobDataComplete : CommandComplete (command_op_code = READ_LOCAL_OOB_DATA) {
  status : ErrorCode,
  c : 8[16],
  r : 8[16],
}

packet ReadInquiryResponseTransmitPowerLevel : DiscoveryCommand (op_code = READ_INQUIRY_RESPONSE_TRANSMIT_POWER_LEVEL) {
}

packet ReadInquiryResponseTransmitPowerLevelComplete : CommandComplete (command_op_code = READ_INQUIRY_RESPONSE_TRANSMIT_POWER_LEVEL) {
  status : ErrorCode,
  tx_power : 8, // (-70dBm to 20dBm)
}

packet WriteInquiryTransmitPowerLevel : DiscoveryCommand (op_code = WRITE_INQUIRY_TRANSMIT_POWER_LEVEL) {
  tx_power : 8,
}

packet WriteInquiryResponseTransmitPowerLevelComplete : CommandComplete (command_op_code = WRITE_INQUIRY_TRANSMIT_POWER_LEVEL) {
  status : ErrorCode,
}

enum KeypressNotificationType : 8 {
  ENTRY_STARTED = 0,
  DIGIT_ENTERED = 1,
  DIGIT_ERASED = 2,
  CLEARED = 3,
  ENTRY_COMPLETED = 4,
}

packet SendKeypressNotification : SecurityCommand (op_code = SEND_KEYPRESS_NOTIFICATION) {
  bd_addr : Address,
  notification_type : KeypressNotificationType,
}

packet SendKeypressNotificationComplete : CommandComplete (command_op_code = SEND_KEYPRESS_NOTIFICATION) {
  status : ErrorCode,
  bd_addr : Address,
}

enum SimultaneousLeHost : 8 {
  DISABLED = 0x00,
}

packet ReadLeHostSupport : CommandPacket (op_code = READ_LE_HOST_SUPPORT) {
}

packet ReadLeHostSupportComplete : CommandComplete (command_op_code = READ_LE_HOST_SUPPORT) {
  status : ErrorCode,
  le_supported_host : Enable,
  simultaneous_le_host : SimultaneousLeHost,
}

packet WriteLeHostSupport : CommandPacket (op_code = WRITE_LE_HOST_SUPPORT) {
  le_supported_host : Enable,
  simultaneous_le_host : SimultaneousLeHost,
}

packet WriteLeHostSupportComplete : CommandComplete (command_op_code = WRITE_LE_HOST_SUPPORT) {
  status : ErrorCode,
}

packet ReadSecureConnectionsHostSupport : CommandPacket (op_code = READ_SECURE_CONNECTIONS_HOST_SUPPORT) {
}

packet ReadSecureConnectionsHostSupportComplete : CommandComplete (command_op_code = READ_SECURE_CONNECTIONS_HOST_SUPPORT) {
  status : ErrorCode,
  secure_connections_host_support : Enable,
}

packet WriteSecureConnectionsHostSupport : SecurityCommand (op_code = WRITE_SECURE_CONNECTIONS_HOST_SUPPORT) {
  secure_connections_host_support : Enable,
}

packet WriteSecureConnectionsHostSupportComplete : CommandComplete (command_op_code = WRITE_SECURE_CONNECTIONS_HOST_SUPPORT) {
  status : ErrorCode,
}

packet ReadLocalOobExtendedData : SecurityCommand (op_code = READ_LOCAL_OOB_EXTENDED_DATA) {
}

packet ReadLocalOobExtendedDataComplete : CommandComplete (command_op_code = READ_LOCAL_OOB_EXTENDED_DATA) {
  status : ErrorCode,
  c_192 : 8[16],
  r_192 : 8[16],
  c_256 : 8[16],
  r_256 : 8[16],
}


  // INFORMATIONAL_PARAMETERS
packet ReadLocalVersionInformation : CommandPacket (op_code = READ_LOCAL_VERSION_INFORMATION) {
}

enum HciVersion : 8 {
  V_1_0B = 0x00,
  V_1_1 = 0x01,
  V_1_2 = 0x02,
  V_2_0 = 0x03, //  + EDR
  V_2_1 = 0x04, //  + EDR
  V_3_0 = 0x05, //  + HS
  V_4_0 = 0x06,
  V_4_1 = 0x07,
  V_4_2 = 0x08,
  V_5_0 = 0x09,
  V_5_1 = 0x0a,
}

enum LmpVersion : 8 {
  V_1_0B = 0x00, // withdrawn
  V_1_1 = 0x01, // withdrawn
  V_1_2 = 0x02, // withdrawn
  V_2_0 = 0x03, //  + EDR
  V_2_1 = 0x04, //  + EDR
  V_3_0 = 0x05, //  + HS
  V_4_0 = 0x06,
  V_4_1 = 0x07,
  V_4_2 = 0x08,
  V_5_0 = 0x09,
  V_5_1 = 0x0a,
}

struct LocalVersionInformation {
  hci_version : HciVersion,
  hci_revision : 16,
  lmp_version : LmpVersion,
  manufacturer_name : 16,
  lmp_subversion : 16,
}

packet ReadLocalVersionInformationComplete : CommandComplete (command_op_code = READ_LOCAL_VERSION_INFORMATION) {
  status : ErrorCode,
  local_version_information : LocalVersionInformation,
}

packet ReadLocalSupportedCommands : CommandPacket (op_code = READ_LOCAL_SUPPORTED_COMMANDS) {
}

packet ReadLocalSupportedCommandsComplete : CommandComplete (command_op_code = READ_LOCAL_SUPPORTED_COMMANDS) {
  status : ErrorCode,
  supported_commands : 8[64],
}

packet ReadLocalSupportedFeatures : CommandPacket (op_code = READ_LOCAL_SUPPORTED_FEATURES) {
}

packet ReadLocalSupportedFeaturesComplete : CommandComplete (command_op_code = READ_LOCAL_SUPPORTED_FEATURES) {
  status : ErrorCode,
  lmp_features : 64,
}

packet ReadLocalExtendedFeatures : CommandPacket (op_code = READ_LOCAL_EXTENDED_FEATURES) {
  page_number : 8,
}

packet ReadLocalExtendedFeaturesComplete : CommandComplete (command_op_code = READ_LOCAL_EXTENDED_FEATURES) {
  status : ErrorCode,
  page_number : 8,
  maximum_page_number : 8,
  extended_lmp_features : 64,
}

packet ReadBufferSize : CommandPacket (op_code = READ_BUFFER_SIZE) {
}

packet ReadBufferSizeComplete : CommandComplete (command_op_code = READ_BUFFER_SIZE) {
  status : ErrorCode,
  acl_data_packet_length : 16,
  synchronous_data_packet_length : 8,
  total_num_acl_data_packets : 16,
  total_num_synchronous_data_packets : 16,
}

packet ReadBdAddr : CommandPacket (op_code = READ_BD_ADDR) {
}

packet ReadBdAddrComplete : CommandComplete (command_op_code = READ_BD_ADDR) {
  status : ErrorCode,
  bd_addr : Address,
}

packet ReadDataBlockSize : CommandPacket (op_code = READ_DATA_BLOCK_SIZE) {
}

packet ReadLocalSupportedCodecs : CommandPacket (op_code = READ_LOCAL_SUPPORTED_CODECS) {
}

packet ReadLocalSupportedCodecsComplete : CommandComplete (command_op_code = READ_LOCAL_SUPPORTED_CODECS) {
  status : ErrorCode,
  _size_(supported_codecs) : 8,
  supported_codecs : 8[],
  _size_(vendor_specific_codecs) : 8,
  vendor_specific_codecs : 32[],
}

  // STATUS_PARAMETERS
packet ReadFailedContactCounter : ConnectionManagementCommand (op_code = READ_FAILED_CONTACT_COUNTER) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadFailedContactCounterComplete : CommandComplete (command_op_code = READ_FAILED_CONTACT_COUNTER) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  failed_contact_counter : 16,
}

packet ResetFailedContactCounter : ConnectionManagementCommand (op_code = RESET_FAILED_CONTACT_COUNTER) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet ResetFailedContactCounterComplete : CommandComplete (command_op_code = RESET_FAILED_CONTACT_COUNTER) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadLinkQuality : ConnectionManagementCommand (op_code = READ_LINK_QUALITY) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadLinkQualityComplete : CommandComplete (command_op_code = READ_LINK_QUALITY) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  link_quality : 8,
}

packet ReadRssi : ConnectionManagementCommand (op_code = READ_RSSI) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadRssiComplete : CommandComplete (command_op_code = READ_RSSI) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  rssi : 8,
}

packet ReadAfhChannelMap : ConnectionManagementCommand (op_code = READ_AFH_CHANNEL_MAP) {
  connection_handle : 12,
  _reserved_ : 4,
}

enum AfhMode : 8 {
  AFH_DISABLED = 0x00,
  AFH_ENABLED = 0x01,
}

packet ReadAfhChannelMapComplete : CommandComplete (command_op_code = READ_AFH_CHANNEL_MAP) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  afh_mode : AfhMode,
  afh_channel_map : 8[10],
}


enum WhichClock : 8 {
  LOCAL = 0x00,
  PICONET = 0x01,
}

packet ReadClock : ConnectionManagementCommand (op_code = READ_CLOCK) {
  connection_handle : 12,
  _reserved_ : 4,
  which_clock : WhichClock,
}

packet ReadClockComplete : CommandComplete (command_op_code = READ_CLOCK) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  clock : 28,
  _reserved_ : 4,
  accuracy : 16,
}

packet ReadEncryptionKeySize : SecurityCommand (op_code = READ_ENCRYPTION_KEY_SIZE) {
  connection_handle : 12,
  _reserved_ : 4,
}

packet ReadEncryptionKeySizeComplete : CommandComplete (command_op_code = READ_ENCRYPTION_KEY_SIZE) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  key_size : 8,
}

  // TESTING
enum LoopbackMode : 8 {
  NO_LOOPBACK = 0x00,
  ENABLE_LOCAL = 0x01,
  ENABLE_REMOTE = 0x02,
}

packet ReadLoopbackMode : CommandPacket (op_code = READ_LOOPBACK_MODE) {
}

packet ReadLoopbackModeComplete : CommandComplete (command_op_code = READ_LOOPBACK_MODE) {
  status : ErrorCode,
  loopback_mode : LoopbackMode,
}

packet WriteLoopbackMode : CommandPacket (op_code = WRITE_LOOPBACK_MODE) {
  loopback_mode : LoopbackMode,
}

packet WriteLoopbackModeComplete : CommandComplete (command_op_code = WRITE_LOOPBACK_MODE) {
  status : ErrorCode,
}

packet EnableDeviceUnderTestMode : CommandPacket (op_code = ENABLE_DEVICE_UNDER_TEST_MODE) {
}

packet EnableDeviceUnderTestModeComplete : CommandComplete (command_op_code = ENABLE_DEVICE_UNDER_TEST_MODE) {
  status : ErrorCode,
}

packet WriteSimplePairingDebugMode : CommandPacket (op_code = WRITE_SIMPLE_PAIRING_DEBUG_MODE) {
  simple_pairing_debug_mode : Enable,
}

packet WriteSimplePairingDebugModeComplete : CommandComplete (command_op_code = WRITE_SIMPLE_PAIRING_DEBUG_MODE) {
  status : ErrorCode,
}

packet WriteSecureConnectionsTestMode : CommandPacket (op_code = WRITE_SECURE_CONNECTIONS_TEST_MODE) {
  connection_handle : 12,
  _reserved_ : 4,
  dm1_aclu_mode : Enable,
  esco_loopback_mode : Enable,
}

packet WriteSecureConnectionsTestModeComplete : CommandComplete (command_op_code = WRITE_SECURE_CONNECTIONS_TEST_MODE) {
  status : ErrorCode,
}

  // LE_CONTROLLER
packet LeSetEventMask : CommandPacket (op_code = LE_SET_EVENT_MASK) {
  le_event_mask : 64,
}

packet LeSetEventMaskComplete : CommandComplete (command_op_code = LE_SET_EVENT_MASK) {
  status : ErrorCode,
}

packet LeReadBufferSize : CommandPacket (op_code = LE_READ_BUFFER_SIZE) {
}

struct LeBufferSize {
  le_data_packet_length : 16,
  total_num_le_packets : 8,
}

packet LeReadBufferSizeComplete : CommandComplete (command_op_code = LE_READ_BUFFER_SIZE) {
  status : ErrorCode,
  le_buffer_size : LeBufferSize,
}

packet LeReadLocalSupportedFeatures : CommandPacket (op_code = LE_READ_LOCAL_SUPPORTED_FEATURES) {
}

packet LeReadLocalSupportedFeaturesComplete : CommandComplete (command_op_code = LE_READ_LOCAL_SUPPORTED_FEATURES) {
  status : ErrorCode,
  le_features : 64,
}

packet LeSetRandomAddress : LeAdvertisingCommand (op_code = LE_SET_RANDOM_ADDRESS) {
  random_address : Address,
}

packet LeSetRandomAddressComplete : CommandComplete (command_op_code = LE_SET_RANDOM_ADDRESS) {
  status : ErrorCode,
}

enum AdvertisingFilterPolicy : 2 {
  ALL_DEVICES = 0, // Default
  WHITELISTED_SCAN = 1,
  WHITELISTED_CONNECT = 2,
  WHITELISTED_SCAN_AND_CONNECT = 3,
}

enum PeerAddressType : 8 {
  PUBLIC_DEVICE_OR_IDENTITY_ADDRESS = 0x00,
  RANDOM_DEVICE_OR_IDENTITY_ADDRESS = 0x01,
}

enum AdvertisingEventType : 8 {
  ADV_IND = 0x00,
  ADV_DIRECT_IND = 0x01,
  ADV_SCAN_IND = 0x02,
  ADV_NONCONN_IND = 0x03,
  ADV_DIRECT_IND_LOW = 0x04,
}

enum AddressType : 8 {
  PUBLIC_DEVICE_ADDRESS = 0x00,
  RANDOM_DEVICE_ADDRESS = 0x01,
  PUBLIC_IDENTITY_ADDRESS = 0x02,
  RANDOM_IDENTITY_ADDRESS = 0x03,
}

packet LeSetAdvertisingParameters : LeAdvertisingCommand (op_code = LE_SET_ADVERTISING_PARAMETERS) {
  interval_min : 16,
  interval_max : 16,
  type : AdvertisingEventType,
  own_address_type : AddressType,
  peer_address_type : PeerAddressType,
  peer_address : Address,
  channel_map : 8,
  filter_policy : AdvertisingFilterPolicy,
  _reserved_ : 6,
}

packet LeSetAdvertisingParametersComplete : CommandComplete (command_op_code = LE_SET_ADVERTISING_PARAMETERS) {
  status : ErrorCode,
}

packet LeReadAdvertisingChannelTxPower : LeAdvertisingCommand (op_code = LE_READ_ADVERTISING_CHANNEL_TX_POWER) {
}

packet LeReadAdvertisingChannelTxPowerComplete : CommandComplete (command_op_code = LE_READ_ADVERTISING_CHANNEL_TX_POWER) {
  status : ErrorCode,
  transmit_power_level : 8, // (-20dBm to 10dBm) Accuracy: +/-4dB
}

packet LeSetAdvertisingData : LeAdvertisingCommand (op_code = LE_SET_ADVERTISING_DATA) {
  _size_(advertising_data) : 8,
  advertising_data : GapData[],
  _padding_[31], // Zero padding to 31 bytes of advertising_data
}

packet LeSetAdvertisingDataComplete : CommandComplete (command_op_code = LE_SET_ADVERTISING_DATA) {
  status : ErrorCode,
}

packet LeSetScanResponseData : LeAdvertisingCommand (op_code = LE_SET_SCAN_RESPONSE_DATA) {
  _size_(advertising_data) : 8,
  advertising_data : GapData[],
  _padding_[31], // Zero padding to 31 bytes of advertising_data
}

packet LeSetScanResponseDataComplete : CommandComplete (command_op_code = LE_SET_SCAN_RESPONSE_DATA) {
  status : ErrorCode,
}

packet LeSetAdvertisingEnable : LeAdvertisingCommand (op_code = LE_SET_ADVERTISING_ENABLE) {
  advertising_enable : Enable, // Default DISABLED
}

packet LeSetAdvertisingEnableComplete : CommandComplete (command_op_code = LE_SET_ADVERTISING_ENABLE) {
  status : ErrorCode,
}

enum LeScanType : 8 {
  PASSIVE = 0x00, // Default
  ACTIVE = 0x01,
}

enum LeSetScanningFilterPolicy : 8 {
  ACCEPT_ALL = 0x00, // Default
  WHITE_LIST_ONLY = 0x01,
  CHECK_INITIATORS_IDENTITY = 0x02,
  WHITE_LIST_AND_INITIATORS_IDENTITY = 0x03,
}

packet LeSetScanParameters : LeScanningCommand (op_code = LE_SET_SCAN_PARAMETERS) {
  le_scan_type : LeScanType,
  le_scan_interval : 16, // 0x0004-0x4000 Default 0x10 (10ms)
  le_scan_window : 16, // Default 0x10 (10ms)
  own_address_type : AddressType,
  scanning_filter_policy : LeSetScanningFilterPolicy,
}

packet LeSetScanParametersComplete : CommandComplete (command_op_code = LE_SET_SCAN_PARAMETERS) {
  status : ErrorCode,
}

packet LeSetScanEnable : LeScanningCommand (op_code = LE_SET_SCAN_ENABLE) {
  le_scan_enable : Enable,
  filter_duplicates : Enable,
}

packet LeSetScanEnableComplete : CommandComplete (command_op_code = LE_SET_SCAN_ENABLE) {
  status : ErrorCode,
}

enum InitiatorFilterPolicy : 8 {
  USE_PEER_ADDRESS = 0x00,
  USE_WHITE_LIST = 0x01,
}

enum OwnAddressType : 8 {
  PUBLIC_DEVICE_ADDRESS = 0x00,
  RANDOM_DEVICE_ADDRESS = 0x01,
  RESOLVABLE_OR_PUBLIC_ADDRESS = 0x02,
  RESOLVABLE_OR_RANDOM_ADDRESS = 0x03,
}

packet LeCreateConnection : LeConnectionManagementCommand (op_code = LE_CREATE_CONNECTION) {
  le_scan_interval : 16, // 0x0004-0x4000
  le_scan_window : 16, // < = LeScanInterval
  initiator_filter_policy : InitiatorFilterPolicy,
  peer_address_type : AddressType,
  peer_address : Address,
  own_address_type : OwnAddressType,
  conn_interval_min : 16, // 0x0006-0x0C80 (7.5ms to 4s)
  conn_interval_max : 16, // 0x0006-0x0C80 (7.5ms to 4s)
  conn_latency : 16, // 0x0006-0x01F3
  supervision_timeout : 16, // 0x00A to 0x0C80 (100ms to 32s)
  minimum_ce_length : 16, // 0.625ms
  maximum_ce_length : 16, // 0.625ms
}

packet LeCreateConnectionStatus : CommandStatus (command_op_code = LE_CREATE_CONNECTION) {
}

packet LeCreateConnectionCancel : LeConnectionManagementCommand (op_code = LE_CREATE_CONNECTION_CANCEL) {
}

packet LeCreateConnectionCancelStatus : CommandStatus (command_op_code = LE_CREATE_CONNECTION_CANCEL) {
}

packet LeCreateConnectionCancelComplete : CommandComplete (command_op_code = LE_CREATE_CONNECTION_CANCEL) {
  status : ErrorCode,
}

packet LeReadWhiteListSize : LeConnectionManagementCommand (op_code = LE_READ_WHITE_LIST_SIZE) {
}

packet LeReadWhiteListSizeComplete : CommandComplete (command_op_code = LE_READ_WHITE_LIST_SIZE) {
  status : ErrorCode,
  white_list_size : 8,
}

packet LeClearWhiteList : LeConnectionManagementCommand (op_code = LE_CLEAR_WHITE_LIST) {
}

packet LeClearWhiteListComplete : CommandComplete (command_op_code = LE_CLEAR_WHITE_LIST) {
  status : ErrorCode,
}

enum WhiteListAddressType : 8 {
  PUBLIC = 0x00,
  RANDOM = 0x01,
  ANONYMOUS_ADVERTISERS = 0xFF,
}

packet LeAddDeviceToWhiteList : LeConnectionManagementCommand (op_code = LE_ADD_DEVICE_TO_WHITE_LIST) {
  address_type : WhiteListAddressType,
  address : Address,
}

packet LeAddDeviceToWhiteListComplete : CommandComplete (command_op_code = LE_ADD_DEVICE_TO_WHITE_LIST) {
  status : ErrorCode,
}

packet LeRemoveDeviceFromWhiteList : LeConnectionManagementCommand (op_code = LE_REMOVE_DEVICE_FROM_WHITE_LIST) {
  address_type : WhiteListAddressType,
  address : Address,
}

packet LeRemoveDeviceFromWhiteListComplete : CommandComplete (command_op_code = LE_REMOVE_DEVICE_FROM_WHITE_LIST) {
  status : ErrorCode,
}

packet LeConnectionUpdate : LeConnectionManagementCommand (op_code = LE_CONNECTION_UPDATE) {
  connection_handle : 12,
  _reserved_ : 4,
  conn_interval_min : 16, // 0x0006-0x0C80 (7.5ms to 4s)
  conn_interval_max : 16, // 0x0006-0x0C80 (7.5ms to 4s)
  conn_latency : 16, // 0x0006-0x01F3
  supervision_timeout : 16, // 0x00A to 0x0C80 (100ms to 32s)
  minimum_ce_length : 16, // 0.625ms
  maximum_ce_length : 16, // 0.625ms
}

packet LeConnectionUpdateStatus : CommandStatus (command_op_code = LE_CONNECTION_UPDATE) {
}

packet LeSetHostChannelClassification : LeConnectionManagementCommand (op_code = LE_SET_HOST_CHANNEL_CLASSIFICATION) {
  _payload_,  // placeholder (unimplemented)
}

packet LeReadChannelMap : LeConnectionManagementCommand (op_code = LE_READ_CHANNEL_MAP) {
  _payload_,  // placeholder (unimplemented)
}

packet LeReadRemoteFeatures : LeConnectionManagementCommand (op_code = LE_READ_REMOTE_FEATURES) {
  _payload_,  // placeholder (unimplemented)
}

packet LeEncrypt : LeSecurityCommand (op_code = LE_ENCRYPT) {
  _payload_,  // placeholder (unimplemented)
}

packet LeRand : LeSecurityCommand (op_code = LE_RAND) {
}

packet LeRandComplete : CommandComplete (command_op_code = LE_RAND) {
  status : ErrorCode,
  random_number : 64,
}

packet LeStartEncryption : LeSecurityCommand (op_code = LE_START_ENCRYPTION) {
  connection_handle: 16,
  rand: 8[8],
  ediv: 16,
  ltk: 8[16],
}

packet LeStartEncryptionStatus : CommandStatus (command_op_code = LE_START_ENCRYPTION) {
}

packet LeLongTermKeyRequestReply : LeSecurityCommand (op_code = LE_LONG_TERM_KEY_REQUEST_REPLY) {
  connection_handle: 16,
  long_term_key: 8[16],
}

packet LeLongTermKeyRequestNegativeReply : LeSecurityCommand (op_code = LE_LONG_TERM_KEY_REQUEST_NEGATIVE_REPLY) {
  _payload_,  // placeholder (unimplemented)
}

packet LeReadSupportedStates : CommandPacket (op_code = LE_READ_SUPPORTED_STATES) {
}

packet LeReadSupportedStatesComplete : CommandComplete (command_op_code = LE_READ_SUPPORTED_STATES) {
  status : ErrorCode,
  le_states : 64,
}

packet LeReceiverTest : CommandPacket (op_code = LE_RECEIVER_TEST) {
  _payload_,  // placeholder (unimplemented)
}

packet LeTransmitterTest : CommandPacket (op_code = LE_TRANSMITTER_TEST) {
  _payload_,  // placeholder (unimplemented)
}

packet LeTestEnd : CommandPacket (op_code = LE_TEST_END) {
  _payload_,  // placeholder (unimplemented)
}

packet LeRemoteConnectionParameterRequestReply : LeConnectionManagementCommand (op_code = LE_REMOTE_CONNECTION_PARAMETER_REQUEST_REPLY) {
  _payload_,  // placeholder (unimplemented)
}

packet LeRemoteConnectionParameterRequestNegativeReply : LeConnectionManagementCommand (op_code = LE_REMOTE_CONNECTION_PARAMETER_REQUEST_NEGATIVE_REPLY) {
  _payload_,  // placeholder (unimplemented)
}


packet LeSetDataLength : LeConnectionManagementCommand (op_code = LE_SET_DATA_LENGTH) {
  _payload_,  // placeholder (unimplemented)
}

packet LeReadSuggestedDefaultDataLength : LeConnectionManagementCommand (op_code = LE_READ_SUGGESTED_DEFAULT_DATA_LENGTH) {
  _payload_,  // placeholder (unimplemented)
}

packet LeWriteSuggestedDefaultDataLength : LeConnectionManagementCommand (op_code = LE_WRITE_SUGGESTED_DEFAULT_DATA_LENGTH) {
  _payload_,  // placeholder (unimplemented)
}

packet LeReadLocalP256PublicKeyCommand : LeSecurityCommand (op_code = LE_READ_LOCAL_P_256_PUBLIC_KEY_COMMAND) {
  _payload_,  // placeholder (unimplemented)
}

packet LeGenerateDhkeyCommand : LeSecurityCommand (op_code = LE_GENERATE_DHKEY_COMMAND) {
  _payload_,  // placeholder (unimplemented)
}

packet LeAddDeviceToResolvingList : LeSecurityCommand (op_code = LE_ADD_DEVICE_TO_RESOLVING_LIST) {
  _payload_,  // placeholder (unimplemented)
}

packet LeAddDeviceToResolvingListComplete : CommandComplete (command_op_code = LE_ADD_DEVICE_TO_RESOLVING_LIST) {
  status : ErrorCode,
}

packet LeRemoveDeviceFromResolvingList : LeSecurityCommand (op_code = LE_REMOVE_DEVICE_FROM_RESOLVING_LIST) {
  _payload_,  // placeholder (unimplemented)
}

packet LeRemoveDeviceFromResolvingListComplete : CommandComplete (command_op_code = LE_REMOVE_DEVICE_FROM_RESOLVING_LIST) {
  status : ErrorCode,
}

packet LeClearResolvingList : LeSecurityCommand (op_code = LE_CLEAR_RESOLVING_LIST) {
  _payload_,  // placeholder (unimplemented)
}

packet LeClearResolvingListComplete : CommandComplete (command_op_code = LE_CLEAR_RESOLVING_LIST) {
  status : ErrorCode,
}

packet LeReadResolvingListSize : LeSecurityCommand (op_code = LE_READ_RESOLVING_LIST_SIZE) {
  _payload_,  // placeholder (unimplemented)
}

packet LeReadPeerResolvableAddress : LeSecurityCommand (op_code = LE_READ_PEER_RESOLVABLE_ADDRESS) {
  _payload_,  // placeholder (unimplemented)
}

packet LeReadLocalResolvableAddress : LeSecurityCommand (op_code = LE_READ_LOCAL_RESOLVABLE_ADDRESS) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetAddressResolutionEnable : LeSecurityCommand (op_code = LE_SET_ADDRESS_RESOLUTION_ENABLE) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetResolvablePrivateAddressTimeout : LeSecurityCommand (op_code = LE_SET_RESOLVABLE_PRIVATE_ADDRESS_TIMEOUT) {
  _payload_,  // placeholder (unimplemented)
}

packet LeReadMaximumDataLength : CommandPacket (op_code = LE_READ_MAXIMUM_DATA_LENGTH) {
}

struct LeMaximumDataLength {
  supported_max_tx_octets : 16,
  supported_max_tx_time: 16,
  supported_max_rx_octets : 16,
  supported_max_rx_time: 16,
}


packet LeReadMaximumDataLengthComplete : CommandComplete (command_op_code = LE_READ_MAXIMUM_DATA_LENGTH) {
  status : ErrorCode,
  le_maximum_data_length : LeMaximumDataLength,
}

packet LeReadPhy : LeConnectionManagementCommand (op_code = LE_READ_PHY) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetDefaultPhy : LeConnectionManagementCommand (op_code = LE_SET_DEFAULT_PHY) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetPhy : LeConnectionManagementCommand (op_code = LE_SET_PHY) {
  _payload_,  // placeholder (unimplemented)
}

packet LeEnhancedReceiverTest : CommandPacket (op_code = LE_ENHANCED_RECEIVER_TEST) {
  _payload_,  // placeholder (unimplemented)
}

packet LeEnhancedTransmitterTest : CommandPacket (op_code = LE_ENHANCED_TRANSMITTER_TEST) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetExtendedAdvertisingRandomAddress : LeAdvertisingCommand (op_code = LE_SET_EXTENDED_ADVERTISING_RANDOM_ADDRESS) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetExtendedAdvertisingParameters : LeAdvertisingCommand (op_code = LE_SET_EXTENDED_ADVERTISING_PARAMETERS) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetExtendedAdvertisingData : LeAdvertisingCommand (op_code = LE_SET_EXTENDED_ADVERTISING_DATA) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetExtendedAdvertisingScanResponse : LeAdvertisingCommand (op_code = LE_SET_EXTENDED_ADVERTISING_SCAN_RESPONSE) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetExtendedAdvertisingEnable : LeAdvertisingCommand (op_code = LE_SET_EXTENDED_ADVERTISING_ENABLE) {
  _payload_,  // placeholder (unimplemented)
}

packet LeReadMaximumAdvertisingDataLength : CommandPacket (op_code = LE_READ_MAXIMUM_ADVERTISING_DATA_LENGTH) {
}

packet LeReadMaximumAdvertisingDataLengthComplete : CommandComplete (command_op_code = LE_READ_MAXIMUM_ADVERTISING_DATA_LENGTH) {
  status : ErrorCode,
  maximum_advertising_data_length : 16,
}

packet LeReadNumberOfSupportedAdvertisingSets : CommandPacket (op_code = LE_READ_NUMBER_OF_SUPPORTED_ADVERTISING_SETS) {
}

packet LeReadNumberOfSupportedAdvertisingSetsComplete : CommandComplete (command_op_code = LE_READ_NUMBER_OF_SUPPORTED_ADVERTISING_SETS) {
  status : ErrorCode,
  number_supported_advertising_sets : 8,
}

packet LeRemoveAdvertisingSet : LeAdvertisingCommand (op_code = LE_REMOVE_ADVERTISING_SET) {
  _payload_,  // placeholder (unimplemented)
}

packet LeClearAdvertisingSets : LeAdvertisingCommand (op_code = LE_CLEAR_ADVERTISING_SETS) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetPeriodicAdvertisingParam : LeAdvertisingCommand (op_code = LE_SET_PERIODIC_ADVERTISING_PARAM) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetPeriodicAdvertisingData : LeAdvertisingCommand (op_code = LE_SET_PERIODIC_ADVERTISING_DATA) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetPeriodicAdvertisingEnable : LeAdvertisingCommand (op_code = LE_SET_PERIODIC_ADVERTISING_ENABLE) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetExtendedScanParameters : LeScanningCommand (op_code = LE_SET_EXTENDED_SCAN_PARAMETERS) {
  le_scan_type : LeScanType,
  le_scan_interval : 32, // 0x0004-0x00FFFFFF Default 0x10 (10ms)
  le_scan_window : 32, // 0x004-0xFFFF Default 0x10 (10ms)
  own_address_type : AddressType,
  scanning_filter_policy : LeSetScanningFilterPolicy,
}

packet LeSetExtendedScanParametersComplete : CommandComplete (command_op_code = LE_SET_EXTENDED_SCAN_PARAMETERS) {
  status : ErrorCode,
}

enum FilterDuplicates : 8 {
  DISABLED = 0,
  ENABLED = 1,
  RESET_EACH_PERIOD = 2,
}

packet LeSetExtendedScanEnable : LeScanningCommand (op_code = LE_SET_EXTENDED_SCAN_ENABLE) {
  enable : Enable,
  filter_duplicates : FilterDuplicates,
  duration : 16, // 0 - Scan continuously,  N * 10 ms
  period : 16, // 0 - Scan continuously,  N * 1.28 sec
}

packet LeSetExtendedScanEnableComplete : CommandComplete (command_op_code = LE_SET_EXTENDED_SCAN_ENABLE) {
  status : ErrorCode,
}

packet LeExtendedCreateConnection : LeConnectionManagementCommand (op_code = LE_EXTENDED_CREATE_CONNECTION) {
  _payload_,  // placeholder (unimplemented)
}

packet LePeriodicAdvertisingCreateSync : LeAdvertisingCommand (op_code = LE_PERIODIC_ADVERTISING_CREATE_SYNC) {
  _payload_,  // placeholder (unimplemented)
}

packet LePeriodicAdvertisingCreateSyncCancel : LeAdvertisingCommand (op_code = LE_PERIODIC_ADVERTISING_CREATE_SYNC_CANCEL) {
  _payload_,  // placeholder (unimplemented)
}

packet LePeriodicAdvertisingTerminateSync : LeAdvertisingCommand (op_code = LE_PERIODIC_ADVERTISING_TERMINATE_SYNC) {
  _payload_,  // placeholder (unimplemented)
}

packet LeAddDeviceToPeriodicAdvertisingList : LeAdvertisingCommand (op_code = LE_ADD_DEVICE_TO_PERIODIC_ADVERTISING_LIST) {
  _payload_,  // placeholder (unimplemented)
}

packet LeRemoveDeviceFromPeriodicAdvertisingList : LeAdvertisingCommand (op_code = LE_REMOVE_DEVICE_FROM_PERIODIC_ADVERTISING_LIST) {
  _payload_,  // placeholder (unimplemented)
}

packet LeClearPeriodicAdvertisingList : LeAdvertisingCommand (op_code = LE_CLEAR_PERIODIC_ADVERTISING_LIST) {
  _payload_,  // placeholder (unimplemented)
}

packet LeReadPeriodicAdvertisingListSize : LeAdvertisingCommand (op_code = LE_READ_PERIODIC_ADVERTISING_LIST_SIZE) {
  _payload_,  // placeholder (unimplemented)
}

packet LeReadTransmitPower : LeAdvertisingCommand (op_code = LE_READ_TRANSMIT_POWER) {
  _payload_,  // placeholder (unimplemented)
}

packet LeReadRfPathCompensationPower : LeAdvertisingCommand (op_code = LE_READ_RF_PATH_COMPENSATION_POWER) {
  _payload_,  // placeholder (unimplemented)
}

packet LeWriteRfPathCompensationPower : LeAdvertisingCommand (op_code = LE_WRITE_RF_PATH_COMPENSATION_POWER) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetPrivacyMode : LeSecurityCommand (op_code = LE_SET_PRIVACY_MODE) {
  _payload_,  // placeholder (unimplemented)
}

packet LeSetPrivacyModeComplete : CommandComplete (command_op_code = LE_SET_PRIVACY_MODE) {
  status : ErrorCode,
}

  // VENDOR_SPECIFIC
packet LeGetVendorCapabilities : VendorCommand (op_code = LE_GET_VENDOR_CAPABILITIES) {
}

struct VendorCapabilities {
  is_supported : 8,
  max_advt_instances: 8,
  offloaded_resolution_of_private_address : 8,
  total_scan_results_storage: 16,
  max_irk_list_sz: 8,
  filtering_support: 8,
  max_filter: 8,
  activity_energy_info_support: 8,
  version_supported: 16,
  total_num_of_advt_tracked: 16,
  extended_scan_support: 8,
  debug_logging_supported: 8,
  le_address_generation_offloading_support: 8,
  a2dp_source_offload_capability_mask: 32,
  bluetooth_quality_report_support: 8
}

struct BaseVendorCapabilities {
  max_advt_instances: 8,
  offloaded_resolution_of_private_address : 8,
  total_scan_results_storage: 16,
  max_irk_list_sz: 8,
  filtering_support: 8,
  max_filter: 8,
  activity_energy_info_support: 8,
}

packet LeGetVendorCapabilitiesComplete : CommandComplete (command_op_code = LE_GET_VENDOR_CAPABILITIES) {
  status : ErrorCode,
  base_vendor_capabilities : BaseVendorCapabilities,
  _payload_,
}
packet LeGetVendorCapabilitiesComplete095 : LeGetVendorCapabilitiesComplete {
  version_supported: 16,
  total_num_of_advt_tracked: 16,
  extended_scan_support: 8,
  debug_logging_supported: 8,
  _payload_,
}
packet LeGetVendorCapabilitiesComplete096 : LeGetVendorCapabilitiesComplete095 {
  le_address_generation_offloading_support: 8,
  _payload_,
}

packet LeGetVendorCapabilitiesComplete098 : LeGetVendorCapabilitiesComplete096 {
  a2dp_source_offload_capability_mask: 32,
  bluetooth_quality_report_support: 8
}

enum SubOcf : 8 {
  SET_PARAM = 0x01,
  SET_DATA = 0x02,
  SET_SCAN_RESP = 0x03,
  SET_RANDOM_ADDR = 0x04,
  SET_ENABLE = 0x05,
}

packet LeMultiAdvt : LeAdvertisingCommand (op_code = LE_MULTI_ADVT) {
  sub_cmd : SubOcf,
  _body_,
}

packet LeMultiAdvtComplete : CommandComplete (command_op_code = LE_MULTI_ADVT) {
  status : ErrorCode,
  sub_cmd : SubOcf,
}

packet LeMultiAdvtParam : LeMultiAdvt (sub_cmd = SET_PARAM) {
  interval_min : 16,
  interval_max : 16,
  type : AdvertisingEventType,
  own_address_type : AddressType,
  peer_address_type : PeerAddressType,
  peer_address : Address,
  channel_map : 8,
  filter_policy : AdvertisingFilterPolicy,
  _reserved_ : 6,
  instance : 8,
  tx_power : 8,
}

packet LeMultiAdvtParamComplete : LeMultiAdvtComplete (sub_cmd = SET_PARAM) {
}

packet LeMultiAdvtSetData : LeMultiAdvt (sub_cmd = SET_DATA) {
  _size_(advertising_data) : 8,
  advertising_data : GapData[],
  _padding_[31], // Zero padding to 31 bytes of advertising_data
  advertising_instance : 8,
}

packet LeMultiAdvtSetDataComplete : LeMultiAdvtComplete (sub_cmd = SET_DATA) {
}

packet LeMultiAdvtSetScanResp : LeMultiAdvt (sub_cmd = SET_SCAN_RESP) {
  _size_(advertising_data) : 8,
  advertising_data : GapData[],
  _padding_[31], // Zero padding to 31 bytes of advertising_data
  advertising_instance : 8,
}

packet LeMultiAdvtSetScanRespComplete : LeMultiAdvtComplete (sub_cmd = SET_SCAN_RESP) {
}

packet LeMultiAdvtSetRandomAddr : LeMultiAdvt (sub_cmd = SET_RANDOM_ADDR) {
  random_address : Address,
  advertising_instance : 8,
}

packet LeMultiAdvtSetRandomAddrComplete : LeMultiAdvtComplete (sub_cmd = SET_RANDOM_ADDR) {
}

packet LeMultiAdvtSetEnable : LeMultiAdvt (sub_cmd = SET_ENABLE) {
  advertising_enable : Enable, // Default DISABLED
  advertising_instance : 8,
}

packet LeMultiAdvtSetEnableComplete : LeMultiAdvtComplete (sub_cmd = SET_ENABLE) {
}

packet LeBatchScan : VendorCommand (op_code = LE_BATCH_SCAN) {
  _payload_,  // placeholder (unimplemented)
}

enum ApcfOpcode : 8 {
  ENABLE = 0x00,
  SET_FILTERING_PARAMETERS = 0x01,
  BROADCASTER_ADDRESS = 0x02,
  SERVICE_UUID = 0x03,
  SERVICE_SOLICITATION_UUID = 0x04,
  LOCAL_NAME = 0x05,
  MANUFACTURER_DATA = 0x06,
  SERVICE_DATA = 0x07,
}

packet LeAdvFilter : VendorCommand (op_code = LE_ADV_FILTER) {
  apcf_opcode : ApcfOpcode,
  _body_,
}

packet LeAdvFilterComplete : CommandComplete (command_op_code = LE_ADV_FILTER) {
  status : ErrorCode,
  apcf_opcode : ApcfOpcode,
}

packet LeTrackAdv : VendorCommand (op_code = LE_TRACK_ADV) {
  _payload_,  // placeholder (unimplemented)
}

packet LeEnergyInfo : VendorCommand (op_code = LE_ENERGY_INFO) {
  _payload_,  // placeholder (unimplemented)
}

packet LeExtendedScanParams : LeScanningCommand (op_code = LE_EXTENDED_SCAN_PARAMS) {
  le_scan_type : LeScanType,
  le_scan_interval : 32, // 0x0004-0x4000 Default 0x10 (10ms)
  le_scan_window : 32, // Default 0x10 (10ms)
  own_address_type : AddressType,
  scanning_filter_policy : LeSetScanningFilterPolicy,
}

packet LeExtendedScanParamsComplete : CommandComplete (command_op_code = LE_EXTENDED_SCAN_PARAMS) {
  status : ErrorCode,
}

packet ControllerDebugInfo : VendorCommand (op_code = CONTROLLER_DEBUG_INFO) {
  _payload_,  // placeholder (unimplemented)
}

packet ControllerA2DPOpcode : VendorCommand (op_code = CONTROLLER_A2DP_OPCODE) {
  _payload_,  // placeholder (unimplemented)
}

// HCI Event Packets

packet InquiryComplete : EventPacket (event_code = INQUIRY_COMPLETE){
  status : ErrorCode,
}

packet InquiryResult : EventPacket (event_code = INQUIRY_RESULT){
  num_responses : 8,
  bd_addr : Address,
  page_scan_repetition_mode : PageScanRepetitionMode,
  _reserved_ : 8,
  _reserved_ : 8,
  class_of_device : ClassOfDevice,
  clock_offset : 15,
  _reserved_ : 1,
}

enum LinkType : 8 {
  SCO = 0x00,
  ACL = 0x01,
}

packet ConnectionComplete : EventPacket (event_code = CONNECTION_COMPLETE){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  bd_addr : Address,
  link_type : LinkType,
  encryption_enabled : Enable,
}

enum ConnectionRequestLinkType : 8 {
  SCO = 0x00,
  ACL = 0x01,
  ESCO = 0x02,
}

packet ConnectionRequest : EventPacket (event_code = CONNECTION_REQUEST){
  bd_addr : Address,
  class_of_device : ClassOfDevice,
  link_type : ConnectionRequestLinkType,
}

packet DisconnectionComplete : EventPacket (event_code = DISCONNECTION_COMPLETE){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  reason : ErrorCode,
}

packet AuthenticationComplete : EventPacket (event_code = AUTHENTICATION_COMPLETE){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
}

packet RemoteNameRequestComplete : EventPacket (event_code = REMOTE_NAME_REQUEST_COMPLETE){
  status : ErrorCode,
  bd_addr : Address,
  remote_name : 8[248], // UTF-8 encoded user-friendly descriptive name
}

enum EncryptionEnabled : 8 {
  OFF = 0x00,
  ON = 0x01, // E0 for BR/EDR and AES-CCM for LE
  BR_EDR_AES_CCM = 0x02,
}

packet EncryptionChange : EventPacket (event_code = ENCRYPTION_CHANGE){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  encryption_enabled : EncryptionEnabled,
}

packet ChangeConnectionLinkKeyComplete : EventPacket (event_code = CHANGE_CONNECTION_LINK_KEY_COMPLETE){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
}

packet MasterLinkKeyComplete : EventPacket (event_code = MASTER_LINK_KEY_COMPLETE){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  key_flag : KeyFlag,
}

packet ReadRemoteSupportedFeaturesComplete : EventPacket (event_code = READ_REMOTE_SUPPORTED_FEATURES_COMPLETE){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  lmp_features : 64,
}

packet ReadRemoteVersionInformationComplete : EventPacket (event_code = READ_REMOTE_VERSION_INFORMATION_COMPLETE){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  version : 8,
  manufacturer_name : 16,
  sub_version : 16,
}

packet QosSetupComplete : EventPacket (event_code = QOS_SETUP_COMPLETE){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  _reserved_ : 8,
  service_type : ServiceType,
  token_rate : 32, // Octets/s
  peak_bandwidth : 32, // Octets/s
  latency : 32, // Octets/s
  delay_variation : 32, // microseconds
}

// Command Complete and Command Status Events are implemented above Commands.

packet HardwareError : EventPacket (event_code = HARDWARE_ERROR){
  hardware_code : 8,
}

packet FlushOccurred : EventPacket (event_code = FLUSH_OCCURRED){
  connection_handle : 12,
  _reserved_ : 4,
}

packet RoleChange : EventPacket (event_code = ROLE_CHANGE){
  status : ErrorCode,
  bd_addr : Address,
  new_role : Role,
}

packet NumberOfCompletedPackets : EventPacket (event_code = NUMBER_OF_COMPLETED_PACKETS){
  _count_(completed_packets) : 8,
  completed_packets : CompletedPackets[],
}

enum Mode : 8 {
  ACTIVE = 0x00,
  HOLD = 0x01,
  SNIFF = 0x02,
}

packet ModeChange : EventPacket (event_code = MODE_CHANGE){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  current_mode : Mode,
  interval : 16, // 0x002 - 0xFFFE (1.25ms - 40.9s)
}

struct ZeroKeyAndAddress {
  address : Address,
  _fixed_ = 0 : 64,
  _fixed_ = 0 : 64,
}

packet ReturnLinkKeys : EventPacket (event_code = RETURN_LINK_KEYS){
  _count_(keys) : 8,
  keys : ZeroKeyAndAddress[],
}

packet PinCodeRequest : EventPacket (event_code = PIN_CODE_REQUEST){
  bd_addr : Address,
}

packet LinkKeyRequest : EventPacket (event_code = LINK_KEY_REQUEST){
  bd_addr : Address,
}

enum KeyType : 8 {
  COMBINATION = 0x00,
  DEBUG_COMBINATION = 0x03,
  UNAUTHENTICATED_P192 = 0x04,
  AUTHENTICATED_P192 = 0x05,
  CHANGED = 0x06,
  UNAUTHENTICATED_P256 = 0x07,
  AUTHENTICATED_P256 = 0x08,
}

packet LinkKeyNotification : EventPacket (event_code = LINK_KEY_NOTIFICATION){
  bd_addr : Address,
  link_key : 8[16],
  key_type : KeyType,
}

packet LoopbackCommand : EventPacket (event_code = LOOPBACK_COMMAND){
  _payload_, // placeholder (unimplemented)
}

packet DataBufferOverflow : EventPacket (event_code = DATA_BUFFER_OVERFLOW){
  link_type : LinkType,
}

packet MaxSlotsChange : EventPacket (event_code = MAX_SLOTS_CHANGE){
  connection_handle : 12,
  _reserved_ : 4,
  lmp_max_slots : 8,
}

packet ReadClockOffsetComplete : EventPacket (event_code = READ_CLOCK_OFFSET_COMPLETE){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  clock_offset : 15,
  _reserved_ : 1,
}

packet ConnectionPacketTypeChanged : EventPacket (event_code = CONNECTION_PACKET_TYPE_CHANGED){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  packet_type : 16,
}

packet QosViolation : EventPacket (event_code = QOS_VIOLATION){
  _payload_, // placeholder (unimplemented)
}

packet PageScanRepetitionModeChange : EventPacket (event_code = PAGE_SCAN_REPETITION_MODE_CHANGE){
  _payload_, // placeholder (unimplemented)
}

packet FlowSpecificationComplete : EventPacket (event_code = FLOW_SPECIFICATION_COMPLETE){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  _reserved_ : 8,
  flow_direction : FlowDirection,
  service_type : ServiceType,
  token_rate : 32, // Octets/s
  token_bucket_size : 32,
  peak_bandwidth : 32, // Octets/s
  access_latency : 32, // Octets/s
}

packet InquiryResultWithRssi : EventPacket (event_code = INQUIRY_RESULT_WITH_RSSI){
  num_responses : 8,
  address : Address,
  page_scan_repetition_mode : PageScanRepetitionMode,
  _reserved_ : 8,
  class_of_device : ClassOfDevice,
  clock_offset : 15,
  _reserved_ : 1,
  rssi : 8,
}

packet ReadRemoteExtendedFeaturesComplete : EventPacket (event_code = READ_REMOTE_EXTENDED_FEATURES_COMPLETE){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  page_number : 8,
  maximum_page_number : 8,
  extended_lmp_features : 64,
}

packet SynchronousConnectionComplete : EventPacket (event_code = SYNCHRONOUS_CONNECTION_COMPLETE){
  _payload_, // placeholder (unimplemented)
}

packet SynchronousConnectionChanged : EventPacket (event_code = SYNCHRONOUS_CONNECTION_CHANGED){
  _payload_, // placeholder (unimplemented)
}

packet SniffSubratingEvent : EventPacket (event_code = SNIFF_SUBRATING){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  maximum_transmit_latency : 16, // 0x000 - 0xFFFE (0s - 40.9s)
  maximum_receive_latency : 16, // 0x000 - 0xFFFE (0s - 40.9s)
  minimum_remote_timeout : 16, // 0x000 - 0xFFFE (0s - 40.9s)
  minimum_local_timeout : 16, // 0x000 - 0xFFFE (0s - 40.9s)
}

packet ExtendedInquiryResult : EventPacket (event_code = EXTENDED_INQUIRY_RESULT) {
  _fixed_ = 0x01 : 8,
  address : Address,
  page_scan_repetition_mode : PageScanRepetitionMode,
  _reserved_ : 8,
  class_of_device : ClassOfDevice,
  clock_offset : 15,
  _reserved_ : 1,
  rssi : 8,
  extended_inquiry_response : GapData[],
}

packet EncryptionKeyRefreshComplete : EventPacket (event_code = ENCRYPTION_KEY_REFRESH_COMPLETE){
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
}

packet IoCapabilityRequest : EventPacket (event_code = IO_CAPABILITY_REQUEST){
  bd_addr : Address,
}

packet IoCapabilityResponse : EventPacket (event_code = IO_CAPABILITY_RESPONSE){
  bd_addr : Address,
  io_capability : IoCapability,
  oob_data_present : OobDataPresent,
  authentication_requirements : AuthenticationRequirements,
}

packet UserConfirmationRequest : EventPacket (event_code = USER_CONFIRMATION_REQUEST){
  bd_addr : Address,
  numeric_value : 20, // 0x00000-0xF423F (000000 - 999999)
  _reserved_ : 12,
}

packet UserPasskeyRequest : EventPacket (event_code = USER_PASSKEY_REQUEST){
  bd_addr : Address,
}

packet RemoteOobDataRequest : EventPacket (event_code = REMOTE_OOB_DATA_REQUEST){
  bd_addr : Address,
}

packet SimplePairingComplete : EventPacket (event_code = SIMPLE_PAIRING_COMPLETE){
  status : ErrorCode,
  bd_addr : Address,
}

packet LinkSupervisionTimeoutChanged : EventPacket (event_code = LINK_SUPERVISION_TIMEOUT_CHANGED){
  connection_handle : 12,
  _reserved_ : 4,
  link_supervision_timeout : 16, // 0x001-0xFFFF (0.625ms-40.9s)
}

packet EnhancedFlushComplete : EventPacket (event_code = ENHANCED_FLUSH_COMPLETE){
  connection_handle : 12,
  _reserved_ : 4,
}

packet UserPasskeyNotification : EventPacket (event_code = USER_PASSKEY_NOTIFICATION){
  bd_addr : Address,
  passkey : 20, // 0x00000-0xF423F (000000 - 999999)
  _reserved_ : 12,
}

packet KeypressNotification : EventPacket (event_code = KEYPRESS_NOTIFICATION){
  bd_addr : Address,
  notification_type : KeypressNotificationType,
}

packet RemoteHostSupportedFeaturesNotification : EventPacket (event_code = REMOTE_HOST_SUPPORTED_FEATURES_NOTIFICATION){
  bd_addr : Address,
  host_supported_features : 64,
}

packet LeMetaEvent : EventPacket (event_code = LE_META_EVENT) {
  subevent_code : SubeventCode,
  _payload_,
}

packet NumberOfCompletedDataBlocks : EventPacket (event_code = NUMBER_OF_COMPLETED_DATA_BLOCKS){
  _payload_, // placeholder (unimplemented)
}

// LE Events

enum MasterClockAccuracy : 8 {
  PPM_500 = 0x00,
  PPM_250 = 0x01,
  PPM_150 = 0x02,
  PPM_100 = 0x03,
  PPM_75 = 0x04,
  PPM_50 = 0x05,
  PPM_30 = 0x06,
  PPM_20 = 0x07,
}

packet LeConnectionComplete : LeMetaEvent (subevent_code = CONNECTION_COMPLETE) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  role : Role,
  peer_address_type : AddressType,
  peer_address : Address,
  conn_interval : 16, // 0x006 - 0x0C80 (7.5ms - 4000ms)
  conn_latency : 16,  // Number of connection events
  supervision_timeout : 16,  // 0x000A to 0x0C80 (100ms to 32s)
  master_clock_accuracy : MasterClockAccuracy,
}

struct LeAdvertisingReport {
  event_type : AdvertisingEventType,
  address_type : AddressType,
  address : Address,
  _size_(advertising_data) : 8,
  advertising_data : GapData[],
  rssi : 8,
}

packet LeAdvertisingReport : LeMetaEvent (subevent_code = ADVERTISING_REPORT) {
  _count_(advertising_reports) : 8,
  advertising_reports : LeAdvertisingReport[],
}

packet LeConnectionUpdateComplete : LeMetaEvent (subevent_code = CONNECTION_UPDATE_COMPLETE) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  conn_interval : 16, // 0x006 - 0x0C80 (7.5ms - 4000ms)
  conn_latency : 16,  // Number of connection events
  supervision_timeout : 16,  // 0x000A to 0x0C80 (100ms to 32s)
}

packet LeReadRemoteFeaturesComplete : LeMetaEvent (subevent_code = READ_REMOTE_FEATURES_COMPLETE) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  le_features : 64,
}

packet LeLongTermKeyRequest : LeMetaEvent (subevent_code = LONG_TERM_KEY_REQUEST) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  random_number : 64,
  encrypted_diversifier : 16,
}

packet LeRemoteConnectionParameterRequest : LeMetaEvent (subevent_code = REMOTE_CONNECTION_PARAMETER_REQUEST) {
  connection_handle : 12,
  _reserved_ : 4,
  interval_min : 16, // 0x006 - 0x0C80 (7.5ms - 4s)
  interval_max : 16, // 0x006 - 0x0C80 (7.5ms - 4s)
  latency : 16,  // Number of connection events (0x0000 to 0x01f3 (499)
  timeout : 16,  // 0x000A to 0x0C80 (100ms to 32s)
}

packet LeDataLengthChange : LeMetaEvent (subevent_code = DATA_LENGTH_CHANGE) {
  connection_handle : 12,
  _reserved_ : 4,
  max_tx_octets : 16, // 0x001B - 0x00FB
  max_tx_time : 16, // 0x0148 - 0x4290
  max_rx_octets : 16, // 0x001B - 0x00FB
  max_rx_time : 16, // 0x0148 - 0x4290
}

packet ReadLocalP256PublicKeyComplete : LeMetaEvent (subevent_code = READ_LOCAL_P256_PUBLIC_KEY_COMPLETE) {
  status : ErrorCode,
  local_p_256_public_key : 8[64],
}

packet GenerateDhKeyComplete : LeMetaEvent (subevent_code = GENERATE_DHKEY_COMPLETE) {
  status : ErrorCode,
  dh_key : 8[32],
}

packet LeEnhancedConnectionComplete : LeMetaEvent (subevent_code = ENHANCED_CONNECTION_COMPLETE) {
  status : ErrorCode,
  connection_handle : 12,
  _reserved_ : 4,
  role : Role,
  peer_address_type : AddressType,
  peer_address : Address,
  local_resolvable_private_address : Address,
  peer_resolvable_private_address : Address,
  conn_interval : 16, // 0x006 - 0x0C80 (7.5ms - 4000ms)
  conn_latency : 16,  // Number of connection events
  supervision_timeout : 16,  // 0x000A to 0x0C80 (100ms to 32s)
  master_clock_accuracy : MasterClockAccuracy,
}

enum DirectAdvertisingAddressType : 8 {
  PUBLIC_DEVICE_ADDRESS = 0x00,
  RANDOM_DEVICE_ADDRESS = 0x01,
  PUBLIC_IDENTITY_ADDRESS = 0x02,
  RANDOM_IDENTITY_ADDRESS = 0x03,
  CONTROLLER_UNABLE_TO_RESOLVE = 0xFE,
  NO_ADDRESS = 0xFF,
}

enum DirectAdvertisingEventType : 8 {
  ADV_DIRECT_IND = 0x01,
}

enum DirectAddressType : 8 {
  RANDOM_DEVICE_ADDRESS = 0x01,
}

struct LeDirectedAdvertisingReport {
  event_type : DirectAdvertisingEventType,
  address_type : DirectAdvertisingAddressType,
  address : Address,
  direct_address_type : DirectAddressType,
  direct_address : Address,
  rssi : 8,
}

packet LeDirectedAdvertisingReport : LeMetaEvent (subevent_code = DIRECTED_ADVERTISING_REPORT) {
  _count_(advertising_reports) : 8,
  advertising_reports : LeDirectedAdvertisingReport[],
}

packet LePhyUpdateComplete : LeMetaEvent (subevent_code = PHY_UPDATE_COMPLETE) {
  _payload_, // placeholder (unimplemented)
}

enum DataStatus : 2 {
  COMPLETE = 0x0,
  CONTINUING = 0x1,
  TRUNCATED = 0x2,
  RESERVED = 0x3,
}

enum PrimaryPhyType : 8 {
  LE_1M = 0x01,
  LE_CODED = 0x03,
}

enum SecondaryPhyType : 8 {
  NO_PACKETS = 0x00,
  LE_1M = 0x01,
  LE_2M = 0x02,
  LE_CODED = 0x03,
}


struct LeExtendedAdvertisingReport {
  connectable : 1,
  scannable : 1,
  directed : 1,
  scan_response : 1,
  data_status : DataStatus,
  _reserved_ : 10,
  address_type : DirectAdvertisingAddressType,
  address : Address,
  primary_phy : PrimaryPhyType,
  secondary_phy : SecondaryPhyType,
  advertising_sid : 4, // SID subfield in the ADI field
  _reserved_ : 4,
  tx_power : 8,
  rssi : 8, // -127 to +20 (0x7F means not available)
  periodic_advertising_interval : 16, // 0x006 to 0xFFFF (7.5 ms to 82s)
  direct_address_type : DirectAdvertisingAddressType,
  direct_address : Address,
  _size_(advertising_data) : 8,
  advertising_data : GapData[],
}

packet LeExtendedAdvertisingReport : LeMetaEvent (subevent_code = EXTENDED_ADVERTISING_REPORT) {
  _count_(advertising_reports) : 8,
  advertising_reports : LeExtendedAdvertisingReport[],
}

packet LePeriodicAdvertisingSyncEstablished : LeMetaEvent (subevent_code = PERIODIC_ADVERTISING_SYNC_ESTABLISHED) {
  _payload_, // placeholder (unimplemented)
}

packet LePeriodicAdvertisingReport : LeMetaEvent (subevent_code = PERIODIC_ADVERTISING_REPORT) {
  _payload_, // placeholder (unimplemented)
}

packet LePeriodicAdvertisingSyncLost : LeMetaEvent (subevent_code = PERIODIC_ADVERTISING_SYNC_LOST) {
  _payload_, // placeholder (unimplemented)
}

packet LeScanTimeout : LeMetaEvent (subevent_code = SCAN_TIMEOUT) {
}

packet LeAdvertisingSetTerminated : LeMetaEvent (subevent_code = ADVERTISING_SET_TERMINATED) {
  status : ErrorCode,
  advertising_handle : 8,
  connection_handle : 12,
  _reserved_ : 4,
  num_completed_extended_advertising_events : 8,
}

packet LeScanRequestReceived : LeMetaEvent (subevent_code = SCAN_REQUEST_RECEIVED) {
  advertising_handle : 8,
  scanner_address_type : AddressType,
  scanner_address : Address,
}