蓝牙特性【PnP ID特性】【性能Characteristic Properties】【Attribute Handle】【External Report Reference Characteris】

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PnP ID特性

Pnp特性官网解释：https://www.bluetooth.com/specifications/gatt/viewer?attributeXmlFile=org.bluetooth.characteristic.pnp_id.xml&u=org.bluetooth.characteristic.pnp_id.xml

其他特性请看：https://www.bluetooth.com/specifications/gatt/characteristics

 

Assigned Number: 0x2A50

Abstract:

 

The PnP_ID characteristic returns its value when read using the GATT Characteristic Value Read procedure.

 

Summary:

The PnP_ID characteristic is a set of values that used to create a device ID value that is unique for this device. Included in the characteristic is a Vendor ID Source field, a Vendor ID field, a Product ID field and a Product Version field. These values are used to identify all devices of a given type/model/version using numbers.

 

Value Fields

Names	Field Requirement	Format	Minimum Value	Maximum Value	Additional Information
Vendor ID Source Information: Identifies the source of the Vendor ID field	Mandatory	uint8	1	2	Enumerations Key Value 1 Bluetooth SIG assigned Company Identifier value from the Assigned Numbers document 2 USB Implementer’s Forum assigned Vendor ID value 3 - 255 Reserved for future use 0 Reserved for future use
Vendor ID Information: Identifies the product vendor from the namespace in the Vendor ID Source	Mandatory	uint16	N/A	N/A	None
Product ID Information: Manufacturer managed identifier for this product	Mandatory	uint16	N/A	N/A	None
Product Version Information: Manufacturer managed version for this product	Mandatory	uint16	N/A	N/A	None

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

其中的：USB Implementer’s Forum assigned Vendor ID value的意思是说USB组织分配的ID，请看：https://www.usb.org/members_landing/directory/companies_list_form/process/refresh?target=company&referring_url=/members_landing/directory%3Fstep%253Aint%3D1%26referring_url%3Dhttps%253A%252F%252Fwww.usb.org%252Fmembers_landing%252F&step%3Aint=2&tab_data_namespace=41342937A76BcZIxBMw&search_results_list_batch_size%3Aint=200&search_results_list_batch_start%3Aint=1

 

性能Characteristic Properties

 

 

Attribute Handle 

 

 

External Report Reference Characteristic Descriptor