蓝牙Human Interface Device（GATT）

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Human Interface Device（GATT）

摘录于：https://blog.csdn.net/jeaklcucter/article/details/49513699

Name: Human Interface Device

Type: org.bluetooth.service.human_interface_device 

Assigned Number: 0x1812

Abstract:

This service exposes the HID reports and other HID data intended for HID Hosts and HID Devices.

Summary:

The HID Service exposes characteristics required for a HID Device to transfer HID report descriptors and reports to a HID Host. This also exposes the characteristics for a HID Host to write to a Device. The Human Interface Device Service is instantiated as a Primary Service.

Service Dependencies

This service has no dependencies on other GATT-based services.

GATT Requirements

Sub-Procedure	Server Requirement
Read Long Characteristic Value	Mandatory
Write Without Response	Mandatory
Write Characteristic Value	Mandatory
Notifications	Mandatory
Read Characteristic Descriptors	Mandatory
Write Characteristic Descriptors	Mandatory

Transport Dependencies

Transport	Supported
Classic	false
Low Energy	true
High Speed

Error Codes

This service does not define any application error codes that are used in Attribute Protocol.

Service Characteristics

Overview	Properties	Descriptors
Name: Protocol Mode Description: The Protocol Mode characteristic is used to expose the current protocol mode of the HID Service with which it is associated, or to set the desired protocol mode of the HID Service Only a single instance of this characteristic shall exist as part of the HID Service. C4: Mandatory for HID Devices supporting Boot Protocol Mode, otherwise optional. Type: org.bluetooth.characteristic.protocol_mode Requirement: C4	Property Requirement Read Mandatory Write Excluded WriteWithoutResponse Mandatory SignedWrite Excluded Notify Excluded Indicate Excluded WritableAuxiliaries Excluded Broadcast Excluded ExtendedProperties	Enumerations Key Value 0 Boot Protocol Mode 1 Report Protocol Mode 2 - 255 Reserved for future use
Name: Report Description: The Report characteristic is used to exchange data between a HID Device and a HID Host. Note: Mandatory to support at least one Report Type (Input Report, Output Report, or Feature Report) if the Report characteristic is supported. Type: org.bluetooth.characteristic.report Requirement: Optional	Conditional Description: For Input Reports: Property Requirement Read Mandatory Write Optional WriteWithoutResponse Excluded SignedWrite Excluded Notify Mandatory Indicate Excluded WritableAuxiliaries Excluded Broadcast Excluded ExtendedProperties   Conditional Description: For Output Reports: Property Requirement Read Mandatory Write Mandatory WriteWithoutResponse Mandatory SignedWrite Excluded Notify Excluded Indicate Excluded WritableAuxiliaries Excluded Broadcast Excluded ExtendedProperties   Conditional Description: For Feature Reports: Property Requirement Read Mandatory Write Mandatory WriteWithoutResponse Excluded SignedWrite Excluded Notify Excluded Indicate Excluded WritableAuxiliaries Excluded Broadcast Excluded ExtendedProperties	Overview Permissions Name: Client Characteristic Configuration Type: org.bluetooth.descriptor.gatt.client_characteristic_configuration Requirement: if_notify_or_indicate_supported Permission Requirement Read Mandatory Write Mandatory Name: Report Reference Type: org.bluetooth.descriptor.report_reference Description: The Report Reference characteristic descriptor is used to provide the Report ID and Report Type for the Report characteristic value. Requirement: if_characteristic_supported Names Field Requirement Format Minimum Value Maximum Value Additional Information Report ID Mandatory uint8 0 255 None Report Type Mandatory uint8 1 3 Enumerations Key Value 1 Input Report 2 Output report 3 Feature Report 4 - 255 Reserved for future use 0 Reserved for future use Permission Requirement Read Mandatory Write Excluded
Name: Report Map Description: The Report Map characteristic value contains formatting and other information for Input Report, Output Report and Feature Report data transferred between a HID Device and HID Host. Type: org.bluetooth.characteristic.report_map Requirement: Mandatory	Property Requirement Read Mandatory Write Excluded WriteWithoutResponse Excluded SignedWrite Excluded Notify Excluded Indicate Excluded WritableAuxiliaries Excluded Broadcast Excluded ExtendedProperties	Overview Permissions Name: External Report Reference Type: org.bluetooth.descriptor.external_report_reference Requirement: Optional Permission Requirement Read Mandatory Write Excluded
Name: Boot Keyboard Input Report Description: The Boot Report Reference characteristic is used to provide HID Hosts operating in Boot Protocol Mode with a simplified method of discovering certain HID Service characteristics. Only a single instance of this characteristic exists as part of the HID Service. C2: Mandatory for HID Devices operating as keyboards, else excluded. Type: org.bluetooth.characteristic.boot_keyboard_input_report Requirement: C2	Property Requirement Read Mandatory Write Optional WriteWithoutResponse Excluded SignedWrite Excluded Notify Mandatory Indicate Excluded WritableAuxiliaries Excluded Broadcast Excluded ExtendedProperties	Overview Permissions Name: Client Characteristic Configuration Type: org.bluetooth.descriptor.gatt.client_characteristic_configuration Requirement: Mandatory Permission Requirement Read Mandatory Write Mandatory
Name: Boot Keyboard Output Report Description: The Boot Report Reference characteristic is used to provide HID Hosts operating in Boot Protocol Mode with a simplified method of discovering certain HID Service characteristics. Only a single instance of this characteristic exists as part of the HID Service. C2: Mandatory for HID Devices operating as keyboards, else excluded. Type: org.bluetooth.characteristic.boot_keyboard_output_report Requirement: C2	Property Requirement Read Mandatory Write Mandatory WriteWithoutResponse Mandatory SignedWrite Excluded Notify Excluded Indicate Excluded WritableAuxiliaries Excluded Broadcast Excluded ExtendedProperties	None
Name: Boot Mouse Input Report Description: The Boot Report Reference characteristic is used to provide HID Hosts operating in Boot Protocol Mode with a simplified method of discovering certain HID Service characteristics. Only a single instance of this characteristic exists as part of the HID Service. C3:Mandatory for HID Devices operating as mice, else excluded. Type: org.bluetooth.characteristic.boot_mouse_input_report Requirement: C3	Property Requirement Read Mandatory Write Optional WriteWithoutResponse Excluded SignedWrite Excluded Notify Mandatory Indicate Excluded WritableAuxiliaries Excluded Broadcast Excluded ExtendedProperties	Overview Permissions Name: Client Characteristic Configuration Type: org.bluetooth.descriptor.gatt.client_characteristic_configuration Requirement: Mandatory Permission Requirement Read Mandatory Write Mandatory
Name: HID Information Description: The HID Information characteristic is used to hold a set of values known as the HID Device’s HID Attributes Type: org.bluetooth.characteristic.hid_information Requirement: Mandatory	Property Requirement Read Mandatory Write Excluded WriteWithoutResponse Excluded SignedWrite Excluded Notify Excluded Indicate Excluded WritableAuxiliaries Excluded Broadcast Excluded ExtendedProperties	None
Name: HID Control Point Description: The HID Control Point characteristic is a control-point attribute that defines the following HID Commands when written: • Suspend ( Refer to Section 7.4.2, Bluetooth HID Profile Specification 1.0) • Exit Suspend (Refer to Section 7.4.2, Bluetooth HID Profile Specification 1.0) There are no response codes defined for the Suspend and Exit Suspend commands. Type: org.bluetooth.characteristic.hid_control_point Requirement: Mandatory	Property Requirement Read Excluded Write Excluded WriteWithoutResponse Mandatory SignedWrite Excluded Notify Excluded Indicate Excluded WritableAuxiliaries Excluded Broadcast Excluded ExtendedProperties	None

Name: Protocol Mode

Type: org.bluetooth.characteristic.protocol_mode 

Assigned Number: 0x2A4E

Summary:

The Protocol Mode characteristic is used to expose the current protocol mode of the HID Service with which it is associated, or to set the desired protocol mode of the HID Service.

Value Fields

Names	Field Requirement	Format	Minimum Value	Maximum Value	Additional Information
Protocol Mode Value	Mandatory	uint8	N/A	N/A	Enumerations Key Value 0 Boot Protocol Mode 1 Report Protocol Mode 2 - 255 Reserved for future use

Name: Report

Type: org.bluetooth.characteristic.report 

Assigned Number: 0x2A4D

Abstract:

The Report characteristic is used to exchange data between a HID Device and a HID Host.

Summary:

The Report characteristic value contains Input Report, Output Report or Feature Report data to be transferred between the HID Device and HID Host.

Value Fields

Names	Field Requirement	Format	Minimum Value	Maximum Value	Additional Information
Report Value	Mandatory	uint8	N/A	N/A	This field may be repeated.

Name: Report Map

Type: org.bluetooth.characteristic.report_map 

Assigned Number: 0x2A4B

Summary:

The Report Map characteristic is used to define formatting information for Input Report, Output Report, and Feature Report data transferred between a HID Device and HID Host, information on how this data can be used, and other information regarding physical aspects of the device (i.e. that the device functions as a keyboard, for example, or has multiple functions such as a keyboard and volume controls).

Only a single instance of this characteristic exists as part of a HID Service.

Value Fields

Names	Field Requirement	Format	Minimum Value	Maximum Value	Additional Information
Report Map Value	Mandatory	uint8	N/A	N/A	This field may be repeated.

Name: Boot Keyboard Input Report

Type: org.bluetooth.characteristic.boot_keyboard_input_report 

Assigned Number: 0x2A22

Summary:

The Boot Keyboard Input Report characteristic is used to transfer fixed format and length Input Report data between a HID Host operating in Boot Protocol Mode and a HID Service corresponding to a boot keyboard.

Value Fields

Names	Field Requirement	Format	Minimum Value	Maximum Value	Additional Information
Boot Keyboard Input Report Value	Mandatory	uint8	N/A	N/A	This field may be repeated.

Name: Boot Keyboard Output Report

Type: org.bluetooth.characteristic.boot_keyboard_output_report 

Assigned Number: 0x2A32

Summary:

The Boot Keyboard Output Report characteristic is used to transfer fixed format and length Output Report data between a HID Host operating in Boot Protocol Mode and a HID Service corresponding to a boot keyboard.

Value Fields

Names	Field Requirement	Format	Minimum Value	Maximum Value	Additional Information
Boot Keyboard Output Report Value	Mandatory	uint8	N/A	N/A	This field may be repeated.

Name: Boot Mouse Input Report

Type: org.bluetooth.characteristic.boot_mouse_input_report 

Assigned Number: 0x2A33

Summary:

The Boot Mouse Input Report characteristic is used to transfer fixed format and length Input Report data between a HID Host operating in Boot Protocol Mode and a HID Service corresponding to a boot mouse.

Value Fields

Names	Field Requirement	Format	Minimum Value	Maximum Value	Additional Information
Boot Mouse Input Report Value	Mandatory	uint8	N/A	N/A	This field may be repeated.

Name: HID Information

Type: org.bluetooth.characteristic.hid_information 

Assigned Number: 0x2A4A

Abstract:

The HID Information Characteristic returns the HID attributes when read.

Summary:

The HID Information Characteristic contains the HID attributes. The value of this Characteristic is static and can be cached for the lifetime of the bond between the HID device and the HID host.

Value Fields

Names	Field Requirement	Format	Minimum Value	Maximum Value	Additional Information
bcdHID Information: 16-bit unsigned integer representing version number of base USB HID Specification implemented by HID Device	Mandatory	uint16	N/A	N/A	None
bCountryCode Information: Identifies which country the hardware is localized for. Most hardware is not localized and thus this value would be zero (0).	Mandatory	8bit	N/A	N/A	None
Flags	Mandatory	8bit	N/A	N/A	Bit Field Bit Size Name Definition Key Value 0 1 RemoteWake 0 The device is not designed to be capable of providing wake-up signal to a HID host 1 The device is designed to be capable of providing wake-up signal to a HID host 1 1 NormallyConnectable 0 The device is not normally connectable 1 The device is normally connectable 2 6 Reserved for future use

Note:

The fields in the above table are in the order of LSO to MSO. Where LSO = Least Significant Octet and MSO = Most Significant Octet.

Name: HID Control Point

Type: org.bluetooth.characteristic.hid_control_point 

Assigned Number: 0x2A4C

Summary:

The HID Control Point characteristic is a control-point attribute that defines the following HID Commands when written:

• Suspend ( Refer to Section 7.4.2, Bluetooth HID Profile Specification 1.0

• Exit Suspend (Refer to Section 7.4.2, Bluetooth HID Profile Specification 1.0

Value Fields

Names	Field Requirement	Format	Minimum Value	Maximum Value	Additional Information
HID Control Point Command Information: There are no response codes defined for the Suspend and Exit Suspend commands.	Mandatory	uint8	N/A	N/A	Enumerations Key Value 0 Suspend 1 Exit Suspend 2 - 255 Reserved for future use

Name: HID OVER GATT

Type: org.bluetooth.profile.hid_over_gattDownload / View

Abstract:

This profile defines how a device with Bluetooth low energy wireless communications can support HID services over the Bluetooth low energy protocol stack using the Generic Attribute Profile.

Summary:

The HID over GATT profile defines the procedures and features to be used by Bluetooth low energy HID Devices using GATT and Bluetooth HID Hosts using GATT.

Role: HID Device

Service	Declaration	Requirement	Additional Information
org.bluetooth.service.human_interface_device	Primary	Mandatory
None
org.bluetooth.service.device_information	PrimarySingleInstance	Mandatory	None
org.bluetooth.service.scan_parameters	PrimarySingleInstance	Optional	None

Role: Boot Host

Service	Requirement
org.bluetooth.service.human_interface_device	Mandatory
org.bluetooth.service.device_information	Mandatory
org.bluetooth.service.scan_parameters	Optional
org.bluetooth.service.battery_service	Mandatory

Role: Report Host

Service	Requirement
org.bluetooth.service.human_interface_device	Mandatory
org.bluetooth.service.device_information	Mandatory
org.bluetooth.service.scan_parameters	Optional
org.bluetooth.service.battery_service	Mandatory