Transclusion: IOT-GATE-iMX8: Bluetooth

IOT-GATE-iMX8 / SBC-IOT-iMX8 features an optional Bluetooth 5.1 BLE interface, implemented with the Intel WiFi 6 AX200 module.

Host Controller Interface (HCI) Initialization

• HCI requires no user interaction for being configured. The driver gets loaded automatically unless this option has been disabled by putting a black list rule for this device.
  
• HCI device configuration utility can be run to retrieve detailed information about the Bluetooth interfaces:

root@iot-gate-imx8:~# hciconfig hci0 -a
hci0:   Type: Primary  Bus: USB
        BD Address: 38:00:25:AF:FF:59  ACL MTU: 1021:4  SCO MTU: 96:6
        UP RUNNING
        RX bytes:751 acl:0 sco:0 events:52 errors:0
        TX bytes:2676 acl:0 sco:0 commands:52 errors:0
        Features: 0xbf 0xfe 0x0f 0xfe 0xdb 0xff 0x7b 0x87
        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
        Link policy: RSWITCH SNIFF
        Link mode: SLAVE ACCEPT
        Name: 'iot-gate-imx8'
        Class: 0x000000
        Service Classes: Unspecified
        Device Class: Miscellaneous,
        HCI Version: 5.0 (0x9)  Revision: 0x100
        LMP Version: 5.0 (0x9)  Subversion: 0x100
        Manufacturer: Intel Corp. (2)

• If the HCI device is not running, use the below command to enable the HCI device:

root@iot-gate-imx8:~#  hciconfig hci0 up

• HCI Inquire remote devices.

root@iot-gate-imx8:~# hcitool scan
Scanning ...