Update to the latest library

Signed-off-by: Kacper Radoszewski <kacper.radoszewski@nordicsemi.no>

Author: kacperradoszewski

lib/Kconfig

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2018 Nordic Semiconductor ASA
+# Copyright (c) 2025 Nordic Semiconductor ASA
 #
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 #

lib/bin/CMakeLists.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2025 Nordic Semiconductor
+# Copyright (c) 2025 Nordic Semiconductor ASA
 #
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 #

lib/bin/Kconfig

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2019 Nordic Semiconductor
+# Copyright (c) 2025 Nordic Semiconductor ASA
 #
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 #

lib/bin/sb_fota/CMakeLists.txt

@@ -1,8 +1,9 @@
 #
-# Copyright (c) 2025 Nordic Semiconductor
+# Copyright (c) 2025 Nordic Semiconductor ASA
 #
 # SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 #
+
 if(CONFIG_FPU)
   if(CONFIG_FP_HARDABI)
     set(float_dir hard-float)

lib/bin/sb_fota/Kconfig

@@ -1,35 +1,32 @@
 #
 # Copyright (c) 2025 Nordic Semiconductor ASA
 #
-# SPDX-License-Identifier: LicenseRef-BSD-5-Clause-Nordic
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 #
 
 menuconfig SB_FOTA
-	bool "nRF91 modem FOTA library for Sofbank"
-	select NRF_MODEM_LIB
-	select AT_MONITOR
-	select AT_PARSER
-	select LTE_LINK_CONTROL
-	select LTE_LC_PSM_MODULE
-	select LTE_LC_EDRX_MODULE
-	select MODEM_JWT
-	select MODEM_INFO
-	select REBOOT
-	select SETTINGS
-	select NVS
-	select HTTP_CLIENT
-	select DOWNLOAD_CLIENT
-	select FOTA_DOWNLOAD
-	select DFU_TARGET
-	select PDN
+	bool "nRF91 modem FOTA library for SoftBank"
+	depends on AT_MONITOR
+	depends on AT_PARSER
+	depends on FOTA_DOWNLOAD
+	depends on HTTP_CLIENT
+	depends on JSON_LIBRARY
+	depends on MODEM_JWT
+	depends on MODEM_INFO
+	depends on NETWORKING
+	depends on NET_SOCKETS
+	depends on NET_SOCKETS_OFFLOAD
+	depends on NRF_MODEM_LIB
+	depends on PDN
+	depends on PICOLIBC || NEWLIB_LIBC || EXTERNAL_LIBC
 
 if SB_FOTA
 
 config SB_FOTA_TLS_SECURITY_TAG
 	int "Security tag for TLS"
 	default 50
 	help
-	  Security tag to be used for the server TLS connections.
+	  Security tag to be used for TLS connections with the servers.
 
 config SB_FOTA_JWT_SECURITY_TAG
 	int "Security tag for JWT"
@@ -38,15 +35,15 @@ config SB_FOTA_JWT_SECURITY_TAG
 	  Security tag to be used for signing JWT tokens.
 
 config SB_FOTA_AUTOINIT
-	bool "Initialize carrier FOTA automatically"
+	bool "Initialize the SoftBank FOTA library automatically"
 	help
-	  Initialize carrier FOTA library automatically after the modem library is initialized.
+	  Initialize the SoftBank FOTA library automatically after the modem library is initialized.
 
 choice SB_FOTA_CLIENT_ID
-	bool "Client ID to be used"
+	prompt "Client ID format"
 	default SB_FOTA_ID_UUID
 	help
-	  Which Client identifier is going to be used for nRF Cloud.
+	  Select the Client identifier format to be used to communicate with nRF Cloud.
 
 config SB_FOTA_ID_UUID
 	bool "Device UUID"
@@ -57,12 +54,13 @@ config SB_FOTA_ID_IMEI
 endchoice
 
 config SB_FOTA_ID_PREFIX
-	string "Prefix to append on client ID"
+	string "Prefix to be added to the Client ID"
 	default ""
 	help
-	  This prefix+client_id is used for nrfCloud to identify the device. Same identity should
-	  be used on provisioning. Prefix is only appended on IMEI or UUID. Not appended on
-	  client ID changed on runtime API.
+	  Prefix to be added to the Client ID in communications with nRF Cloud. This combination is
+	  used to identify the device, therefore the same identity must be used during provisioning.
+	  This prefix is only added if either the IMEI or the UUID format is used. This
+	  configuration will be ignored if the Client ID is changed at runtime.
 
 config SB_FOTA_LOG
 	bool "Link binary with logs"

lib/bin/sb_fota/include/sb_fota.h

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2025 Nordic Semiconductor ASA
  *
- * SPDX-License-Identifier: LicenseRef-BSD-5-Clause-Nordic
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
  */
 
 /**
@@ -21,7 +21,6 @@ extern "C" {
 
 /**
  * @brief SoftBank FOTA application events.
- *
  */
 enum sb_fota_event {
 	/** FOTA client starts networking.
@@ -65,6 +64,32 @@ typedef void (*sb_fota_callback_t)(enum sb_fota_event event);
  */
 int sb_fota_init(sb_fota_callback_t callback);
 
+/**
+ * @brief SoftBank FOTA modem functional modes.
+ *
+ * Used to pass on the modem functional mode in @ref sb_fota_on_modem_cfun().
+ * @{
+ */
+/** Minimum functionality mode. */
+#define SB_FOTA_MODEM_MODE_POWER_OFF   0
+/** Any valid functionality mode other than @c SB_FOTA_MODEM_MODE_POWER_OFF. */
+#define SB_FOTA_MODEM_MODE_POWER_ON    1
+/** @} */
+
+/**
+ * SoftBank FOTA library modem functional mode handler.
+ *
+ * @param[in] mode Modem functional mode.
+ *
+ * This function must be called whenever modem functional mode is changed.
+ *
+ * @note This is already implemented in `sb_fota_os.c`.
+ *
+ * @retval 0 If the operation was successful.
+ *           Otherwise, a (negative) error code is returned.
+ */
+int sb_fota_on_modem_cfun(int mode);
+
 /**
  * @brief Sets current time for the SoftBank FOTA client and modem clock.
  *