IOBluetooth

Devices and Discovery 9

The principal objects for representing, inquiring about, and pairing with Bluetooth devices.

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  IOBluetoothDevice

  @class IOBluetoothDevice
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  IOBluetoothDeviceInquiry

  @class IOBluetoothDeviceInquiry
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  IOBluetoothDevicePair

  @class IOBluetoothDevicePair
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  IOBluetoothObject

  The base class for objects in the IOBluetooth framework.
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  IOBluetoothHostController

  @class IOBluetoothHostController
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  IOBluetoothUserNotification

  @class IOBluetoothUserNotification
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  IOBluetoothDeviceAsyncCallbacks

  A protocol that delivers asynchronous results of device connection operations.
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  IOBluetoothDeviceInquiryDelegate

  @category IOBluetoothDeviceInquiryDelegate
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  IOBluetoothDevicePairDelegate

  A protocol that reports progress and prompts during the pairing process.

Channels and Connections 4

Objects for opening L2CAP and RFCOMM channels and handling their data and connection events.

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  IOBluetoothL2CAPChannel

  @class IOBluetoothL2CAPChannel
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  IOBluetoothRFCOMMChannel

  @class IOBluetoothRFCOMMChannel
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  IOBluetoothL2CAPChannelDelegate

  A protocol that delivers data and connection events for an L2CAP channel.
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  IOBluetoothRFCOMMChannelDelegate

  A protocol that delivers data and connection events for an RFCOMM channel.

Service Discovery Protocol 5

Types that describe and parse SDP service records, attributes, data elements, and UUIDs.

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  IOBluetoothSDPServiceRecord

  @class IOBluetoothSDPServiceRecord
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  IOBluetoothSDPServiceAttribute

  @class IOBluetoothSDPServiceAttribute
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  IOBluetoothSDPDataElement

  @class IOBluetoothSDPDataElement
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  IOBluetoothSDPUUID

  @class IOBluetoothSDPUUID
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  SDPServiceClasses

  Constants that identify standard SDP service class UUIDs.

Hands-Free Profile 6

Classes and delegates that implement the Hands-Free Profile audio gateway and device roles.

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  IOBluetoothHandsFreemacOS 10.7+

  @class IOBluetoothHandsFree
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  IOBluetoothHandsFreeAudioGatewaymacOS 10.7+

  @header
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  IOBluetoothHandsFreeDevicemacOS 10.7+

  @header
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  IOBluetoothHandsFreeDelegate

  A protocol that reports state changes for a Hands-Free Profile object.
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  IOBluetoothHandsFreeAudioGatewayDelegate

  A protocol that reports events for the audio-gateway role of the Hands-Free Profile.
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  IOBluetoothHandsFreeDeviceDelegate

  A protocol that reports events for the hands-free device role of the Hands-Free Profile.

OBEX File Transfer 3

Objects for running OBEX sessions and transferring files over Bluetooth.

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  OBEXFileTransferServices

  An object that provides OBEX file-transfer operations such as get, put, and browse.
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  OBEXSession

  An object that manages a generic OBEX session and its requests.
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  IOBluetoothOBEXSession

  An object that runs an OBEX session over a Bluetooth channel.

Core Object References 8

Opaque Core Foundation-style reference types underlying the Bluetooth objects.

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  IOBluetoothObjectRef

  An opaque reference to the base type underlying IOBluetooth objects.
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  IOBluetoothDeviceRef

  An opaque reference to a Bluetooth device object.
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  IOBluetoothL2CAPChannelRef

  An opaque reference to an open L2CAP channel.
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  IOBluetoothRFCOMMChannelRef

  An opaque reference to an open RFCOMM channel.
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  IOBluetoothSDPServiceRecordRef

  An opaque reference to an SDP service record.
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  IOBluetoothSDPUUIDRef

  An opaque reference to an SDP UUID value.
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  IOBluetoothSDPDataElementRef

  An opaque reference to an SDP data element.
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  IOBluetoothUserNotificationRef

  An opaque reference to a registered user notification.

Addresses, Keys, and Identifiers 5

Value types that identify devices and carry the keys and codes used for pairing and security.

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  BluetoothDeviceAddress

  A structure that holds the six-byte address of a Bluetooth device.
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  BluetoothKey

  A structure that holds a link key used to secure a Bluetooth connection.
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  BluetoothIRK

  A structure that holds an identity resolving key for Bluetooth Low Energy privacy.
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  BluetoothPINCode

  A structure that holds a PIN code used during legacy pairing.
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  BluetoothCompanyIdentifers

  Constants that identify registered Bluetooth company identifiers.

L2CAP Protocol 15

Structures describing L2CAP commands, configuration options, connection results, and flow control.

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  BluetoothL2CAPCommandCode

  Constants that identify the codes of L2CAP signaling commands.
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  BluetoothL2CAPCommandRejectReason

  Constants that specify why an L2CAP command was rejected.
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  BluetoothL2CAPQualityOfServiceOptions

  A structure that describes quality-of-service options for an L2CAP channel.
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  BluetoothL2CAPRetransmissionAndFlowControlOptions

  A structure that configures retransmission and flow control for an L2CAP channel.
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  BluetoothL2CAPSegmentationAndReassembly

  Constants that specify the segmentation-and-reassembly state of an L2CAP frame.
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  BluetoothL2CAPConnectionResult

  Constants that specify the result of an L2CAP connection request.
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  BluetoothL2CAPConnectionStatus

  Constants that specify the status of a pending L2CAP connection.
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  BluetoothL2CAPConfigurationResult

  Constants that specify the result of an L2CAP configuration request.
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  BluetoothL2CAPConfigurationOption

  Constants that identify the configuration options of an L2CAP channel.
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  BluetoothL2CAPConfigurationRetransmissionAndFlowControlFlags

  Constants that specify retransmission and flow-control flags during L2CAP configuration.
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  BluetoothL2CAPInformationType

  Constants that identify the type of an L2CAP information request.
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  BluetoothL2CAPInformationResult

  Constants that specify the result of an L2CAP information request.
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  BluetoothL2CAPInformationExtendedFeaturesMask

  A mask that describes the extended features reported by L2CAP.
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  BluetoothL2CAPQoSType

  Constants that specify the quality-of-service service type for an L2CAP channel.
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  BluetoothL2CAPSupervisoryFuctionType

  Constants that specify the supervisory frame function type used in L2CAP flow control.

Low Energy Security and Scanning 16

Types for Bluetooth Low Energy security-manager pairing, capabilities, and LE scan configuration.

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  BluetoothLESecurityManagerKeyDistributionFormat

  A structure that describes which keys are distributed during LE pairing.
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  BluetoothLESecurityManagerCommandCode

  Constants that identify Low Energy security-manager command codes.
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  BluetoothLESecurityManagerUserInputCapability

  Constants that specify the user input capability for LE pairing.
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  BluetoothLESecurityManagerUserOutputCapability

  Constants that specify the user output capability for LE pairing.
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  BluetoothLESecurityManagerIOCapability

  Constants that specify the combined input/output capability for LE pairing.
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  BluetoothLESecurityManagerOOBData

  A structure that holds out-of-band data used during LE pairing.
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  BluetoothLESecurityManagerPairingFailedReasonCode

  Constants that specify why LE security-manager pairing failed.
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  BluetoothLESecurityManagerKeypressNotificationType

  Constants that specify keypress notification events during LE pairing.
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  BluetoothLEFeatureBits

  Constants that specify individual Bluetooth Low Energy feature bits.
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  BluetoothLEScanType

  Constants that specify the type of a Bluetooth Low Energy scan.
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  BluetoothLEAddressType

  Constants that specify the address type of a Low Energy device.
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  BluetoothLEScanFilter

  A structure that describes filtering criteria for a Low Energy scan.
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  BluetoothLEScan

  A structure that describes the parameters of a Low Energy scan.
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  BluetoothLEConnectionInterval

  A structure that describes the connection interval range for a Low Energy link.
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  BluetoothLEScanDuplicateFilter

  Constants that specify how duplicate advertisements are filtered during a scan.
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  BluetoothLEAdvertisingType

  Constants that specify the type of a Low Energy advertising packet.

AMP Controllers 7

Structures describing the codes and response statuses of the Alternate MAC/PHY manager.

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  BluetoothAMPManagerCode

  Constants that identify Alternate MAC/PHY manager command codes.
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  BluetoothAMPCommandRejectReason

  Constants that specify why an AMP manager command was rejected.
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  BluetoothAMPDiscoverResponseControllerStatus

  Constants that specify the controller status in an AMP discover response.
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  BluetoothAMPGetInfoResponseStatus

  Constants that specify the status of an AMP get-info response.
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  BluetoothAMPGetAssocResponseStatus

  Constants that specify the status of an AMP get-association response.
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  BluetoothAMPCreatePhysicalLinkResponseStatus

  Constants that specify the status of an AMP create-physical-link response.
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  BluetoothAMPDisconnectPhysicalLinkResponseStatus

  Constants that specify the status of an AMP disconnect-physical-link response.

HCI Controller Capabilities 12

Structures reporting host controller commands, features, versions, buffer sizes, and timeouts.

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  BluetoothHCIConnectionModes

  Constants that specify the connection mode of a Bluetooth link.
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  BluetoothHCISupportedCommands

  A structure that reports which HCI commands the controller supports.
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  BluetoothHCISupportedFeatures

  A structure that reports the features supported by the controller.
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  BluetoothHCIExtendedFeaturesInfo

  A structure that reports the extended feature pages of the controller.
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  BluetoothFeatureBits

  Constants that specify individual Bluetooth feature bits.
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  BluetoothHCIVersionInfo

  A structure that reports the version of the Bluetooth controller and stack.
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  BluetoothHCIBufferSize

  A structure that reports the data buffer sizes of the controller.
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  BluetoothHCILEBufferSize

  A structure that reports the Low Energy data buffer sizes of the controller.
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  BluetoothHCITimeoutValues

  A structure that holds timeout values used by the controller.
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  BluetoothHCIPowerState

  Constants that specify the power state of the Bluetooth controller.
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  BluetoothTransportInfo

  A structure that reports information about a Bluetooth transport.
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  BluetoothTransportTypes

  Constants that specify the type of a Bluetooth transport.

HCI Link Management 24

Structures for querying and configuring link quality, roles, policy, timeouts, and clock state.

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  BluetoothSetEventMask

  A structure that specifies the mask controlling which HCI events are reported.
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  BluetoothEventFilterCondition

  A structure that describes a condition for an HCI event filter.
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  BluetoothHCIFailedContactInfo

  A structure that reports the failed-contact counter for a connection.
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  BluetoothHCIRSSIInfo

  A structure that reports the received signal strength of a connection.
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  BluetoothHCILinkQualityInfo

  A structure that reports the link quality of a connection.
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  BluetoothHCIEncryptionKeySizeInfo

  A structure that reports the encryption key size of a connection.
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  BluetoothHCIRoleInfo

  A structure that reports the master or slave role of a connection.
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  BluetoothHCIRoles

  Constants that specify the role a device plays on a Bluetooth link.
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  BluetoothHCILinkPolicySettingsValues

  Constants that specify the link policy settings for a connection.
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  BluetoothHCILinkPolicySettingsInfo

  A structure that reports the current link policy settings of a connection.
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  BluetoothHCIQualityOfServiceSetupParams

  A structure that describes parameters for an HCI quality-of-service setup.
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  BluetoothReadClockInfo

  A structure that reports the clock value read from a device.
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  BluetoothHCIEventFlowSpecificationData

  A structure that carries flow-specification data from an HCI event.
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  BluetoothHCILinkSupervisionTimeout

  A structure that holds the link supervision timeout for a connection.
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  BluetoothHCIDeleteStoredLinkKeyFlags

  Constants that specify flags for deleting stored link keys.
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  BluetoothHCIReadStoredLinkKeysFlags

  Constants that specify flags for reading stored link keys.
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  BluetoothHCIStoredLinkKeysInfo

  A structure that reports information about stored link keys.
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  BluetoothHCIAutomaticFlushTimeoutInfo

  A structure that holds the automatic flush timeout for a connection.
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  BluetoothHCIHoldModeActivityStates

  Constants that specify the activities permitted during hold mode.
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  BluetoothHCISCOFlowControlStates

  Constants that specify the SCO flow control state of the controller.
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  BluetoothHCIGeneralFlowControlStates

  Constants that specify the general flow control state of the controller.
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  BluetoothHCIAFHChannelAssessmentModes

  Constants that specify the adaptive frequency hopping channel assessment mode.
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  BluetoothHCITransmitReadPowerLevelTypes

  Constants that specify which transmit power level to read.
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  BluetoothHCITransmitPowerLevelInfo

  A structure that reports the transmit power level of a connection.

HCI Synchronous Connections 8

Parameter structures for setting up SCO and enhanced synchronous voice connections.

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  BluetoothHCISetupSynchronousConnectionParams

  A structure that describes parameters for setting up a synchronous connection.
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  BluetoothHCIAcceptSynchronousConnectionRequestParams

  A structure that describes parameters for accepting a synchronous connection request.
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  BluetoothHCIEnhancedSetupSynchronousConnectionParams

  A structure that describes parameters for setting up an enhanced synchronous connection.
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  BluetoothHCIEnhancedAcceptSynchronousConnectionRequestParams

  A structure that describes parameters for accepting an enhanced synchronous connection request.
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  BluetoothLinkTypes

  Constants that specify the type of a Bluetooth link.
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  BluetoothHCIRetransmissionEffortTypes

  Constants that specify the retransmission effort for a synchronous connection.
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  BluetoothSynchronousConnectionInfo

  A structure that describes the parameters of a synchronous connection.
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  BluetoothEnhancedSynchronousConnectionInfo

  A structure that describes the parameters of an enhanced synchronous connection.

HCI Inquiry and Scanning 19

Structures describing device inquiry results, scan modes, and access codes.

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  BluetoothHCIPageScanTypes

  Constants that specify the page-scan types supported by the controller.
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  BluetoothHCIPageScanModes

  Constants that specify the page-scan mode of the controller.
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  BluetoothHCIPageScanPeriodModes

  Constants that specify the page-scan period mode of the controller.
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  BluetoothHCIPageScanEnableStates

  Constants that specify whether page and inquiry scanning are enabled.
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  BluetoothHCIScanActivity

  A structure that describes the scan interval and window activity.
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  BluetoothHCIInquiryAccessCode

  A structure that holds an inquiry access code used during device discovery.
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  BluetoothHCICurrentInquiryAccessCodes

  A structure that reports the inquiry access codes currently in use.
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  BluetoothHCICurrentInquiryAccessCodesForWrite

  A structure that specifies the inquiry access codes to write to the controller.
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  BluetoothHCIInquiryResult

  A structure that reports a single device found during an inquiry.
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  BluetoothHCIInquiryResults

  A structure that reports the collected results of an inquiry.
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  BluetoothHCIInquiryWithRSSIResult

  A structure that reports an inquiry result including signal strength.
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  BluetoothHCIInquiryWithRSSIResults

  A structure that reports the collected inquiry-with-RSSI results.
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  BluetoothHCIFECRequiredValues

  Constants that specify whether forward error correction is required.
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  BluetoothHCIInquiryModes

  Constants that specify the inquiry result mode of the controller.
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  BluetoothHCIInquiryScanTypes

  Constants that specify the inquiry-scan type of the controller.
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  BluetoothHCIExtendedInquiryResponse

  A structure that holds an extended inquiry response payload.
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  BluetoothHCIReadExtendedInquiryResponseResults

  A structure that reports the result of reading the extended inquiry response.
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  BluetoothHCIExtendedInquiryResult

  A structure that reports an inquiry result with extended response data.
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  BluetoothHCIReadLMPHandleResults

  A structure that reports the result of reading an LMP handle.

HCI Security and Pairing 17

Structures describing simple-pairing modes, I/O capabilities, passkeys, and authentication.

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  BluetoothHCISimplePairingModes

  Constants that specify whether secure simple pairing is enabled.
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  BluetoothSimplePairingDebugModes

  Constants that specify the secure simple pairing debug mode.
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  BluetoothHCISimplePairingOOBData

  A structure that holds out-of-band data for secure simple pairing.
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  BluetoothHCIReadLocalOOBDataResults

  A structure that reports the local out-of-band data for pairing.
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  BluetoothIOCapabilities

  Constants that specify the input/output capabilities for simple pairing.
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  BluetoothOOBDataPresenceValues

  Constants that specify whether out-of-band data is present.
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  BluetoothAuthenticationRequirementsValues

  Constants that specify the authentication requirements for pairing.
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  BluetoothIOCapabilityResponse

  A structure that reports a remote device's I/O capabilities during pairing.
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  BluetoothUserPasskeyNotification

  A structure that carries a passkey to display to the user during pairing.
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  BluetoothKeypressNotificationTypes

  Constants that specify keypress notification events during passkey entry.
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  BluetoothKeypressNotification

  A structure that carries a keypress notification during passkey entry.
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  BluetoothRemoteHostSupportedFeaturesNotification

  A structure that reports the supported features of a remote host.
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  BluetoothAFHHostChannelClassification

  A structure that describes the host channel classification for adaptive frequency hopping.
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  BluetoothAFHResults

  A structure that reports the result of an adaptive frequency hopping operation.
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  BluetoothUserConfirmationRequest

  A structure that carries a numeric value to confirm during pairing.
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  BluetoothHCIAuthentionEnableModes

  Constants that specify whether authentication is enabled on the controller.
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  BluetoothHCIEncryptionModes

  Constants that specify the encryption mode of a connection.

HCI Event Results 40

Structures carrying the payloads returned by host controller event notifications.

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  BluetoothHCIEventSimplePairingCompleteResults

  A structure that reports the results of a simple-pairing-complete event.
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  BluetoothHCIEventSynchronousConnectionCompleteResults

  A structure that reports the results of a synchronous-connection-complete event.
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  BluetoothHCIEventSynchronousConnectionChangedResults

  A structure that reports the results of a synchronous-connection-changed event.
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  BluetoothHCIEventConnectionCompleteResults

  A structure that reports the results of a connection-complete event.
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  BluetoothHCIEventLEConnectionCompleteResults

  A structure that reports the results of an LE connection-complete event.
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  BluetoothHCIEventLEEnhancedConnectionCompleteResults

  A structure that reports the results of an LE enhanced connection-complete event.
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  BluetoothHCIEventLEConnectionUpdateCompleteResults

  A structure that reports the results of an LE connection-update-complete event.
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  BluetoothHCIEventLEReadRemoteUsedFeaturesCompleteResults

  A structure that reports the remote used features read in an LE event.
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  BluetoothHCIEventDisconnectionCompleteResults

  A structure that reports the results of a disconnection-complete event.
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  BluetoothHCIEventReadSupportedFeaturesResults

  A structure that reports the supported features read from a device.
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  BluetoothHCIEventReadExtendedFeaturesResults

  A structure that reports the extended features read from a device.
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  BluetoothHCIEventReadRemoteVersionInfoResults

  A structure that reports the remote version information read from a device.
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  BluetoothHCIEventRemoteNameRequestResults

  A structure that reports the remote name returned by a name request.
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  BluetoothHCIEventReadClockOffsetResults

  A structure that reports the clock offset read from a device.
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  BluetoothHCIEventConnectionRequestResults

  A structure that reports the details of an incoming connection request.
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  BluetoothHCIEventLinkKeyNotificationResults

  A structure that reports a link key delivered by a notification event.
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  BluetoothHCIEventMaxSlotsChangeResults

  A structure that reports a change in the maximum slots for a connection.
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  BluetoothHCIEventModeChangeResults

  A structure that reports a change in the mode of a connection.
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  BluetoothHCIEventReturnLinkKeysResults

  A structure that reports the link keys returned by the controller.
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  BluetoothHCIEventAuthenticationCompleteResults

  A structure that reports the results of an authentication-complete event.
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  BluetoothHCIEventEncryptionChangeResults

  A structure that reports a change in the encryption state of a connection.
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  BluetoothHCIEventChangeConnectionLinkKeyCompleteResults

  A structure that reports completion of a change-connection-link-key operation.
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  BluetoothHCIEventMasterLinkKeyCompleteResults

  A structure that reports completion of a master-link-key operation.
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  BluetoothHCIEventQoSSetupCompleteResults

  A structure that reports the results of a quality-of-service setup event.
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  BluetoothHCIEventHardwareErrorResults

  A structure that reports a hardware error from the controller.
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  BluetoothHCIEventFlushOccurredResults

  A structure that reports that a flush occurred on a connection.
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  BluetoothHCIEventRoleChangeResults

  A structure that reports a change in the role of a connection.
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  BluetoothHCIEventDataBufferOverflowResults

  A structure that reports a data buffer overflow on the controller.
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  BluetoothHCIEventConnectionPacketTypeResults

  A structure that reports the packet types allowed on a connection.
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  BluetoothHCIEventReadRemoteSupportedFeaturesResults

  A structure that reports the remote supported features read from a device.
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  BluetoothHCIEventReadRemoteExtendedFeaturesResults

  A structure that reports the remote extended features read from a device.
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  BluetoothHCIEventQoSViolationResults

  A structure that reports a quality-of-service violation on a connection.
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  BluetoothHCIEventPageScanModeChangeResults

  A structure that reports a change in a device's page-scan mode.
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  BluetoothHCIEventPageScanRepetitionModeChangeResults

  A structure that reports a change in a device's page-scan repetition mode.
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  BluetoothHCIEventVendorSpecificResults

  A structure that carries the payload of a vendor-specific event.
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  BluetoothHCIEventEncryptionKeyRefreshCompleteResults

  A structure that reports completion of an encryption-key-refresh operation.
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  BluetoothHCIEventSniffSubratingResults

  A structure that reports the results of a sniff-subrating event.
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  BluetoothHCIEventLEMetaResults

  A structure that reports the payload of an LE meta event.
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  BluetoothHCIEventLELongTermKeyRequestResults

  A structure that reports an LE long-term-key request event.
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  BluetoothHCIRequestCallbackInfo

  A structure that carries context for an HCI request callback.

RFCOMM Serial Parameters 2

Structures describing the parity and line status of RFCOMM serial channels.

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  BluetoothRFCOMMParityType

  Constants that specify the parity setting of an RFCOMM serial channel.
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  BluetoothRFCOMMLineStatus

  Constants that specify the line status of an RFCOMM serial channel.

Structures 43

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  SDPAttributeIdentifierCodes
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  SDPAttributeDeviceIdentificationRecord
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  ProtocolParameters
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  BluetoothHCIExtendedInquiryResponseDataTypes
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  BluetoothHCIVersions
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  BluetoothLMPVersions
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  IOBluetoothDeviceSearchOptionsBits
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  IOBluetoothDeviceSearchDeviceAttributes

  @typedef IOBluetoothDeviceSearchDeviceAttributes
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  IOBluetoothDeviceSearchAttributes

  @struct IOBluetoothDeviceSearchAttributes
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  IOBluetoothDeviceSearchTypesBits

  @enum IOBluetoothDeviceSearchTypesBits
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  IOBluetoothUserNotificationChannelDirection
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  OBEXErrorCodes
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  OBEXHeaderIdentifiers

  @enum OBEXHeaderIdentifiers
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  OBEXOpCodeResponseValues

  @enum OBEXOpCodeResponseValues
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  OBEXOpCodeCommandValues

  @enum OBEXOpCodeCommandValues
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  OBEXConnectFlagValues

  @enum OBEXConnectFlags

Enumerations 7

• En
  IOBluetoothHandsFreeDeviceFeatures

  @header
• En
  IOBluetoothHandsFreeAudioGatewayFeatures
• En
  IOBluetoothHandsFreeCallHoldModes
• En
  IOBluetoothHandsFreeCodecID
• En
  IOBluetoothSMSMode
• En
  IOBluetoothHandsFreeSMSSupport
• En
  IOBluetoothHandsFreePDUMessageStatus

Type Aliases 163

• Ty
  BluetoothConnectionHandle
• Ty
  BluetoothLMPHandle
• Ty
  BluetoothReasonCode
• Ty
  BluetoothEncryptionEnable
• Ty
  BluetoothKeyFlag
• Ty
  BluetoothKeyType
• Ty
  BluetoothPacketType
• Ty
  BluetoothLAP
• Ty
  BluetoothPageScanRepetitionMode
• Ty
  BluetoothPageScanPeriodMode
• Ty
  BluetoothPageScanMode
• Ty
  BluetoothHCIPageScanType
• Ty
  BluetoothHCIErroneousDataReporting
• Ty
  BluetoothClassOfDevice
• Ty
  BluetoothServiceClassMajor

  Major Service Classes (11-bit value - bits 13-23 of Device/Service field)
• Ty
  BluetoothDeviceClassMajor

  Major Device Classes (5-bit value - bits 8-12 of Device/Service field)

Extends 3