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  • Case ID: 306768
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Undefined reference to os and img _mgmt_register_group while trying to add DFU to peripheral_lbs sample

waatff

Hi, I'm trying to implement DFU to an existing app, however I wanted to first try to do it along with some tutorial. Found this  Add DFU support to your application and this https://getwavecake.com/blog/adding-ota-dfu-to-a-nordic-zephyr-project/ , but it seems that both these tutorials give me the similar warnings and errors that look like this:

warning: implicit declaration of function 'os_mgmt_register_group'; did you mean 'mgmt_register_group'? [-Wimplicit-function-declaration]
  212 |         os_mgmt_register_group();
      |         ^~~~~~~~~~~~~~~~~~~~~~
      |         mgmt_register_group

and

undefined reference to `os_mgmt_register_group'.

Same for img mgmt.
I'm using ncs v2.3.0.

My config looks like this:

#
# Copyright (c) 2018 Nordic Semiconductor
#
# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
#
CONFIG_NCS_SAMPLES_DEFAULTS=y

CONFIG_BT=y
CONFIG_BT_PERIPHERAL=y
CONFIG_BT_DEVICE_NAME="Nordic_LBS"

# Enable the LBS service
CONFIG_BT_LBS=y
CONFIG_BT_LBS_POLL_BUTTON=y
CONFIG_DK_LIBRARY=y

CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048


# Enable mcumgr.
CONFIG_MCUMGR=y

# Enable most core commands.
CONFIG_MCUMGR_CMD_IMG_MGMT=y
CONFIG_MCUMGR_CMD_OS_MGMT=y

# Ensure an MCUboot-compatible binary is generated.
CONFIG_BOOTLOADER_MCUBOOT=y

# Allow for large Bluetooth data packets.
CONFIG_BT_L2CAP_TX_MTU=252
CONFIG_BT_BUF_ACL_RX_SIZE=256

# Enable the Bluetooth (unauthenticated) and shell mcumgr transports.
CONFIG_MCUMGR_SMP_BT=y
CONFIG_MCUMGR_SMP_BT_AUTHEN=n

# Some command handlers require a large stack.
CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096

and lines added to lbs sample:

#include <zephyr/mgmt/mcumgr/transport/smp_bt.h>
#include <zephyr/mgmt/mcumgr/grp/os_mgmt/os_mgmt.h>
#include <zephyr/mgmt/mcumgr/grp/img_mgmt/img_mgmt.h>


//these lines are located in main function after init_buttons

printk("build time: " __DATE__ " " __TIME__ "\n");
os_mgmt_register_group();
img_mgmt_register_group();
smp_bt_register();

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