ref: 0195ece317d15bcba7dfbd74b58bb8dbcd3bca0a
src/libs/mynewt-nimble/docs/btshell/btshell_GATT.rst
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GATT feature API for btshell ============================ GATT(GENERIC ATTRIBUTE PROFILE) describes a service framework using the Attribute Protocol for discovering services, and for reading and writing characteristic values on a peer device. There are 11 features defined in the GATT Profile, and each of the features is mapped to procedures and sub-procedures: Available commands ~~~~~~~~~~~~~~~~~~ Parameters default values (if applicable) are marked red. Configuration ------------- +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | **Command** | **Parmeters** | \*\* Possible values\*\* | **Description** | +====================================+=================+============================+===========================================================+ | **gatt-discover-characteristic** | | | Discover GATT characteristics | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | conn | [UINT16] | Connection handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | uuid | [UINT16] | Characteristic UUID | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | start | [UINT16] | Discovery start handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | end | [UINT16] | Discovery end handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | **gatt-discover-descriptor** | | | Discover GATT descriptors | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | conn | [UINT16] | Connection handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | start | [UINT16] | Discovery start handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | end | [UINT16] | Discovery end handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | **gatt-discover-service** | | | Discover services | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | conn | [UINT16] | Connection handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | uuid16 | [UINT16] | Service UUID | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | **gatt-discover-full** | | | Discover services, characteristic and descriptors | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | conn | [UINT16] | Connection handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | **gatt-find-included-services** | | | Find included services | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | conn | [UINT16] | Connection handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | start | [UINT16] | Discovery start handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | end | [UINT16] | Discovery end handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | **gatt-exchange-mtu** | | | Initiate ATT MTU exchange procedure | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | conn | [UINT16] | Connection handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | **gatt-read** | | | Read attribute | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | conn | [UINT16] | Connection handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | long | [``0``-1] | Long read | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | attr | [UINT16] | Attribute handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | offset | [UINT16] | Long read offset value | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | uuid | [UINT16] | Characteristic UUID | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | start | [UINT16] | Discovery start handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | end | [UINT16] | Discovery end handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | **gatt-notify** | | | Send notification or indication to all subscribed peers | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | attr | [UINT16] | Attribute handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | **gatt-service-changed** | | | Send Services Changed notification | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | start | [UINT16] | Start handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | end | [UINT16] | End handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | **gatt-service-visibility** | | | Set service visibility | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | handle | [UINT16] | Service handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | visibility | [``0``-1] | Service visibility | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | **gatt-show** | | | Show remote devices discovered databases structure | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | **gatt-show-local** | | | Show local database structure | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | **gatt-write** | | | Write attribute | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | conn | [UINT16] | Connection handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | no\_rsp | [``0``-1] | Use Write Without Response | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | long | [``0``-1] | Use Long Write procedure | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | attr | [UINT16] | Attribute handle | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | offset | [UINT16] | Long write offset value | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ | | value | XX:XX:XX... | Data to write | +------------------------------------+-----------------+----------------------------+-----------------------------------------------------------+ |