Bluetooth Adapter enable Sub-command

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I. Introduction

This document explains how to enable the Bluetooth adapter. Enabling the adapter is a prerequisite for executing other Bluetooth-related commands.

II. Example

The following example demonstrates how to enable the Bluetooth adapter.

Prerequisites

Launch bttool in NSH. For detailed information on the bttool commands, please refer to the bttool Command Description.

ap> bttool

Command Input

bttool> enable

Output Information

Successful execution returns:

Adapter state changed: 4

This output indicates that both the BR/EDR (Basic Rate/Enhanced Data Rate) and LE (Low Energy) functionalities of the Bluetooth adapter have been successfully enabled.

Adapter States

State	Description
1	Enabling BLE functionality.
2	BLE functionality enabled.
3	Enabling BR/EDR functionality.
4	BR/EDR functionality enabled.

Sample Output

The following is an example of the Bluetooth adapter state changes:

[bttool] Context:0xf1893610, Adapter state changed: 1
[bttool] Context2:0xf1893590, Adapter state changed: 1
[bttool] Context:0xf1893610, Adapter state changed: 2
[bttool] Context2:0xf1893590, Adapter state changed: 2
[bttool] Context:0xf1893610, Adapter state changed: 3
[bttool] Context2:0xf1893590, Adapter state changed: 3
[bttool] Context:0xf1893610, Adapter state changed: 4
[bttool] Adapter Name: XIAOMI VELA-052, Cap: 3, Class: 0x00280704, Mode:2
[bttool] Context2:0xf1893590, Adapter state changed: 4