NXP Semiconductors
UM11490
Feature Configuration Guide for NXP-based Wireless Modules on i.MX 8M Quad EVK
4 Bluetooth classic/Bluetooth LE features and configurations
4.1 Scan, pair and connect to Bluetooth classic/Bluetooth LE
This section describes the configuration steps to scan, pair and connect with a
Remote Bluetooth device from NXP-based wireless module. BlueZ Stack provides the
bluetoothctl
command line utility to connect with a Remote Bluetooth device.
Use the following steps to scan, pair and connect the remote Bluetooth Classic/Bluetooth
Low Energy device using
bluetoothctl
utility.
Start
bluetoothctl
Start
bluetoothctl
to interact with the Bluetooth daemon from the command line:
root@imx8mqevk:~# bluetoothctl
Agent registered
[bluetooth]#
Authenticate
Since the pairing procedure will involve authentication by PIN, it is required to register
with an authentication agent. The agent handles the PIN prompt:
[bluetooth]# agent on
Agent is already registered
[bluetooth]# default-agent
Default agent request successful
Start scanning
Run the following command to start scanning for remote Bluetooth Classic/Bluetooth LE
device(s).
[bluetooth]# scan on
Discovery started
[CHG] Controller 00:50:43:24:34:F7 Discovering: yes
[NEW] Device B4:F5:00:31:CB:4E Moto E
Stop scanning
Stop the scanning and check for available remote Bluetooth Classic/Bluetooth LE
device(s) for pairing.
[bluetooth]# scan off
Discovery stopped
[CHG] Controller 00:50:43:24:34:F7 Discovering: no
[bluetooth]# devices
Device B4:F5:00:31:CB:4E Moto E
[bluetooth]#
UM11490
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© NXP B.V. 2021. All rights reserved.
User manual
Rev. 2 — 29 January 2021
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