Notification Service

Provides functions for registering and de-registering callbacks for Bluetooth Notifcation Service (NS).

The applications can register callbacks for the various notifications generated from the Bluetooth NS module. The notifications are defined by VM_BT_NS_CATEGORY and VM_BT_NS_SUBTYPE, with a specific VM_BT_NS_ACTION.

To register a callback for general notifications, the application calls the vm_bt_ns_register_notification_callback().

If the application wants to listen to the notifications of the connection status, it will call the vm_bt_ns_connection_status_change_callback().

The vm_bt_ns_deregister_notification_callback() and vm_bt_ns_deregister_connection_status_change_callback() are provided to de-register the previously registered callbacks.

Limitations If it is necessary to develop a smart phone application for sending notifications to LinkIt Assist 2502, you will need the following:

(1) Android 4.3 SDK or above. (2) Android ICS 4.0 or above. (3) iOS 8.0 or above.

Group

Bluetooth

Functions

Function	Description
vm_bt_ns_block_remote_notification	Sends data to the remote device through SPP to notify that it will block the specified notification by App ID.
vm_bt_ns_deregister_connection_status_change_callback	De-registers the callback for the connection status change, as specified by the handle.
vm_bt_ns_deregister_notification_callback	De-registers the callback for the notification as specified by the handle.
vm_bt_ns_register_connection_status_change_callback	Registers a connection status change callback.
vm_bt_ns_register_notification_callback	Registers a callback function for the notification of the Bluetooth.

Macros

Macro	Description
VM_BT_NS_CONTENT_LENGTH	The length of the content.
VM_BT_NS_ICON_LENGTH	The length of the icon buffer.
VM_BT_NS_NUMBER_LENGTH	The length of the sender number.
VM_BT_NS_SENDER_LENGTH	The length of the sender name.
VM_BT_NS_TICKER_TEXT_LENGTH	The length of the ticker text.
VM_BT_NS_TITLE_LENGTH	The length of the tittle.

Structs, Records, Enums

Struct, Record, Enum	Description
VM_BT_NS_ACTION	Notification action enum.
VM_BT_NS_CATEGORY	Notification category enum.
vm_bt_ns_connection_status_t	Bluetooth notification connection status change
VM_BT_NS_DATA_SOURCE	Notification source.
vm_bt_ns_header_t	Notification header struct.
vm_bt_ns_message_t	Bluetooth notification message struct.
vm_bt_ns_notification_data_t	Bluetooth notification data.
VM_BT_NS_RESULT	Bluetooth notification result.
VM_BT_NS_SUBTYPE	Notification subtype enum.

Types

Type	Description
vm_bt_ns_connection_status_change_callback	Bluetooth connection status change callback.
VM_BT_NS_CONNECTION_STATUS_HANDLE	Bluetooth connection status handle.
vm_bt_ns_notification_callback	The Bluetooth notification callback.
VM_BT_NS_NOTIFICATION_HANDLE	Bluetooth notification handle.

Links

Topics, Functions, Macros, Structs, Records, Enums, Types

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