samples: mcumgr: ble_mcumgr: Move BLE MCUmgr code to separate library

Allows for re-use in applications

Signed-off-by: Jamie McCrae <[email protected]>

Author: nordicjm

include/bluetooth/services/ble_mcumgr.h

@@ -0,0 +1,40 @@
+/**
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/** @file
+ *
+ * @defgroup ble_mcumgr BLE MCUmgr Service library
+ * @{
+ * @brief Library for handling MCUmgr over BLE.
+ */
+
+#ifndef BLE_MCUMGR_H__
+#define BLE_MCUMGR_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <ble.h>
+#include <nrf_sdh_ble.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Function for initializing the MCUmgr Bluetooth service.
+ *
+ * @retval 0 On success.
+ * @retval -EINVAL Invalid parameters.
+ */
+int ble_mcumgr_init(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BLE_MCUMGR_H__ */
+
+/** @} */

samples/mcumgr/ble_mcumgr/CMakeLists.txt

@@ -9,11 +9,6 @@ cmake_minimum_required(VERSION 3.20.0)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(ble_mcumgr)
 
-zephyr_include_directories(${ZEPHYR_BASE}/subsys/mgmt/mcumgr/util/include)
-zephyr_include_directories(${ZEPHYR_BASE}/subsys/mgmt/mcumgr/grp/img_mgmt/include)
-zephyr_include_directories(${ZEPHYR_BASE}/subsys/mgmt/mcumgr/transport/include)
 target_sources(app PRIVATE
   src/main.c
 )
-zephyr_linker_sources(SECTIONS mcumgr_handler.ld)
-zephyr_link_libraries(MCUBOOT_BOOTUTIL)

samples/mcumgr/ble_mcumgr/Kconfig

@@ -6,7 +6,7 @@
 
 menu "BLE MCUmgr sample"
 
-module=BLE_MCUMGR
+module=APP
 module-dep=LOG
 module-str=BLE MCUmgr Sample
 source "${ZEPHYR_BASE}/subsys/logging/Kconfig.template.log_config"

samples/mcumgr/ble_mcumgr/prj.conf

@@ -39,6 +39,7 @@ CONFIG_MCUMGR_GRP_OS_MCUMGR_PARAMS=y
 CONFIG_MCUMGR_GRP_OS_BOOTLOADER_INFO=y
 CONFIG_NRF_SDH_BLE=y
 CONFIG_NRF_SDH=y
+CONFIG_BLE_MCUMGR=y
 
 CONFIG_LOG=y
 CONFIG_LOG_MODE_MINIMAL=y