RE: nRF54L15 MAC address

khelmutlord — Wed, 19 Nov 2025 18:22:27 GMT

The MAC address programmed into the device, in the factory information configuration registers (FICR), can be read using the hwinfo driver in Zephyr.

https://docs.zephyrproject.org/latest/doxygen/html/group__hwinfo__interface.html

A call to "hwinfo_get_device_id(buf, 6)" with a pointer to a buffer of at least 6 bytes in length will retrieve this value.

It is also possible to use vendor specific HCI commands to get the current address. Look into using "bt_hci_cmd_send_sync" with "SDC_HCI_OPCODE_CMD_IP_READ_BD_ADDR". Similarly, this requires a pointer to a buffer of at least 6 bytes in length

Thanks,

Helmut Lord