Nordic FOTA setup for external QSPI flash with the new 2.6 SDK

We are working on a custom board (gateway BIS) with the nrf5340. Currently our system is on the 2.5.2 SDK and we currently have FOTA working with an external QSPI flash and updating both the app partition and the BLE core partition simultaneously.

We are currently porting this code to the latest 2.6.0 SDK as we would like to take advantage of the SoftDevice controller and some of the features it offers (Channel Mapping). I have converted the example code changes from the nrf5340_audio example (as this was the basis for our project.)

When I try to build with the buildprog.py script this is the error I now get.

python buildprog.py -c both -b debug -d gateway  -m external -M --pristine -p

Traceback (most recent call last):
  File "buildprog.py", line 501, in <module>
    __main()
  File "buildprog.py", line 387, in __main
    raise Exception("DFU arguments only accepted when using controller: " +
Exception: DFU arguments only accepted when using controller: ACS_nRF53. Please use standard tools.

So I have tried with this line (which I think configures the old BLE stack, which we want the new SoftDevice controller) and get these errors:

python buildprog.py -c both -b debug -d gateway --ctlr ACS_nRF53 -m external -M --pristine -p

In file included from C:/ncs/v2.6.0/zephyr/include/zephyr/toolchain.h:50,
                 from C:/ncs/v2.6.0/zephyr/include/zephyr/sys/util.h:18,
                 from C:/ncs/v2.6.0/zephyr/include/zephyr/devicetree.h:26,
                 from C:/ncs/v2.6.0/zephyr/include/zephyr/device.h:12,
                 from C:/ncs/v2.6.0/zephyr/include/zephyr/drivers/flash.h:28,
                 from C:/ncs/v2.6.0/zephyr/drivers/flash/spi_nor.c:14:
C:/ncs/v2.6.0/zephyr/include/zephyr/toolchain/gcc.h:87:36: error: static assertion failed: "jedec,spi-nor jedec-id required for non-runtime SFDP"
   87 | #define BUILD_ASSERT(EXPR, MSG...) _Static_assert(EXPR, "" MSG)
      |                                    ^~~~~~~~~~~~~~
C:/ncs/v2.6.0/zephyr/drivers/flash/spi_nor.c:1468:1: note: in expansion of macro 'BUILD_ASSERT'
 1468 | BUILD_ASSERT(DT_INST_NODE_HAS_PROP(0, jedec_id),
      | ^~~~~~~~~~~~
C:/ncs/v2.6.0/zephyr/include/zephyr/toolchain/gcc.h:87:36: error: static assertion failed: "jedec,spi-nor size required for non-runtime SFDP page layout"
   87 | #define BUILD_ASSERT(EXPR, MSG...) _Static_assert(EXPR, "" MSG)
      |                                    ^~~~~~~~~~~~~~

I have also copied the nrf5340_audio example application and created a build configuration in VSCode and I get this error:

CMake Warning at C:/ncs/v2.6.0/zephyr/CMakeLists.txt:1957 (message):
  __ASSERT() statements are globally ENABLED


-- Configuring done
CMake Error at C:/ncs/v2.6.0/zephyr/cmake/modules/extensions.cmake:424 (add_library):
  Cannot find source file:

    C:/Projects/Somnius/Examples/nrf5340_audio/src/utils/nrf5340_audio_dk.c
Call Stack (most recent call first):
  C:/ncs/v2.6.0/zephyr/cmake/modules/kernel.cmake:211 (zephyr_library_named)
  C:/ncs/v2.6.0/zephyr/cmake/modules/zephyr_default.cmake:138 (include)
  C:/ncs/v2.6.0/zephyr/share/zephyr-package/cmake/ZephyrConfig.cmake:66 (include)
  C:/ncs/v2.6.0/zephyr/share/zephyr-package/cmake/ZephyrConfig.cmake:92 (include_boilerplate)
  CMakeLists.txt:52 (find_package)


-- Generating done
CMake Generate step failed.  Build files cannot be regenerated correctly.
FATAL ERROR: command exited with status 1: 'C:\ncs\toolchains\cf2149caf2\opt\bin\cmake.EXE' -DWEST_PYTHON=C:/ncs/toolchains/cf2149caf2/opt/bin/python.exe '-Bc:\Projects\Somnius\Examples\nrf5340_audio\build' -GNinja -DBOARD=nrf5340_audio_dk_nrf5340_cpuapp -DNCS_TOOLCHAIN_VERSION=NONE '-Sc:\Projects\Somnius\Examples\nrf5340_audio'

I have tried looking at this thread, but this was for headset, and was not able to get the west command to work.

nRF5340 audio application FOTA problem with latest SDK

Thanks,
Chris

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0 Maria Gilje 1 month ago

Hi Chris,

The python script was changed when the SoftDevice controller replaced the LE Audio Controller Subsystem for nRF53. See the note in the migration guide under nRF5340 Audio Applications here, a general overview for Device Firmware Updates in NCS here, and the documentation for the DFU libraries in NCS here.

Best regards,

Maria
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0 Maria Gilje 1 month ago

Hi Chris,

The python script was changed when the SoftDevice controller replaced the LE Audio Controller Subsystem for nRF53. See the note in the migration guide under nRF5340 Audio Applications here, a general overview for Device Firmware Updates in NCS here, and the documentation for the DFU libraries in NCS here.

Best regards,

Maria
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0 ChrisBon 1 month ago in reply to Maria Gilje

Ok, we have managed to build the system (using the visual code plugin) and get most things working, however, we still are having issues compiling with this flag added to the Prj.Conf

CONFIG_AUDIO_DFU=2

When we add this, I get this error.

                 from C:/ncs/v2.6.1/zephyr/drivers/flash/spi_nor.c:14:
C:/ncs/v2.6.1/zephyr/include/zephyr/toolchain/gcc.h:87:36: error: static assertion failed: "jedec,spi-nor jedec-id required for non-runtime SFDP"
   87 | #define BUILD_ASSERT(EXPR, MSG...) _Static_assert(EXPR, "" MSG)
      |                                    ^~~~~~~~~~~~~~
C:/ncs/v2.6.1/zephyr/drivers/flash/spi_nor.c:1468:1: note: in expansion of macro 'BUILD_ASSERT'
 1468 | BUILD_ASSERT(DT_INST_NODE_HAS_PROP(0, jedec_id),
      | ^~~~~~~~~~~~
C:/ncs/v2.6.1/zephyr/include/zephyr/toolchain/gcc.h:87:36: error: static assertion failed: "jedec,spi-nor size required for non-runtime SFDP page layout"
   87 | #define BUILD_ASSERT(EXPR, MSG...) _Static_assert(EXPR, "" MSG)
      |                                    ^~~~~~~~~~~~~~
C:/ncs/v2.6.1/zephyr/drivers/flash/spi_nor.c:1477:1: note: in expansion of macro 'BUILD_ASSERT'

Here is my overlay-dfu_external_flash.overlay:

/ {
	chosen {
		nordic,pm-ext-flash = &w25q64;
	};
};

&qspi {
	status = "okay";
	pinctrl-0 = <&qspi_default>;
	pinctrl-1 = <&qspi_sleep>;
	pinctrl-names = "default", "sleep";
	w25q64: w25q6435f@0 {
		compatible = "nordic,qspi-nor";
		//compatible = "jedec,spi-nor";
		reg = <0>;
		/* W25Q64 supports only pp and pp4io */
		//writeoc = "pp4io";
		/* W25Q64 supports all readoc options */
		//readoc = "read4io";
		sck-frequency = <8000000>;
		jedec-id = [ef 40 17];
		sfdp-bfp = [
			e5 20 f9 ff  ff ff ff 03  44 eb 08 6b  08 3b 42 bb
			fe ff ff ff  ff ff 00 00  ff ff 40 eb  0c 20 0f 52
			10 d8 00 00  36 02 a6 00  82 ea 14 c4  e9 63 76 33
			7a 75 7a 75  f7 a2 d5 5c  19 f7 4d ff  e9 30 f8 80
		];
		size = <67108864>;
		has-dpd;
		t-enter-dpd = <10000>;
		t-exit-dpd = <35000>;
	};
};

here is prj.conf

#
# Copyright (c) 2022 Nordic Semiconductor ASA
#
# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
#

# nRF5340 Audio
CONFIG_NRF5340_AUDIO=y

CONFIG_SAMPLE_RATE_CONVERTER=y
CONFIG_SAMPLE_RATE_CONVERTER_FILTER_SIMPLE=y

# General
CONFIG_DEBUG=y
CONFIG_DEBUG_INFO=y
CONFIG_ASSERT=y
CONFIG_STACK_USAGE=y
CONFIG_THREAD_RUNTIME_STATS=y
CONFIG_STACK_SENTINEL=y
CONFIG_INIT_STACKS=y

# Uart driver
CONFIG_SERIAL=y
CONFIG_UART_ASYNC_API=y

# Logging
CONFIG_LOG=y
CONFIG_LOG_MODE_DEFERRED=y
CONFIG_LOG_MODE_OVERFLOW=y
CONFIG_NEWLIB_LIBC_FLOAT_PRINTF=y
CONFIG_LOG_TAG_MAX_LEN=2
CONFIG_LOG_TAG_DEFAULT="--"
CONFIG_LOG_BACKEND_UART=y

# Use this for debugging thread usage
#CONFIG_LOG_THREAD_ID_PREFIX=y

# Console related defines
CONFIG_CONSOLE=y
CONFIG_RTT_CONSOLE=y
CONFIG_UART_CONSOLE=y

# Shell related defines
CONFIG_SHELL=n
CONFIG_KERNEL_SHELL=y
CONFIG_USE_SEGGER_RTT=y
## Disable logs on RTT
CONFIG_SHELL_RTT_INIT_LOG_LEVEL_NONE=y
CONFIG_SHELL_BACKEND_RTT=y
CONFIG_SHELL_BACKEND_SERIAL=n
CONFIG_SHELL_VT100_COMMANDS=y
CONFIG_SHELL_VT100_COLORS=y
CONFIG_SHELL_STACK_SIZE=4096
CONFIG_SHELL_CMD_BUFF_SIZE=128
## Reduce shell memory usage
CONFIG_SHELL_WILDCARD=n
CONFIG_SHELL_HELP_ON_WRONG_ARGUMENT_COUNT=n
CONFIG_SHELL_STATS=n
CONFIG_SHELL_CMDS=n
CONFIG_SHELL_HISTORY=y

# Turn off default shell commands 
CONFIG_I2C_SHELL=n
CONFIG_CLOCK_CONTROL_NRF_SHELL=n
CONFIG_FLASH_SHELL=n
CONFIG_DEVICE_SHELL=n

CONFIG_NRFX_UARTE2=y
CONFIG_NRFX_PRS_BOX_2=y

# I2C
CONFIG_I2C=y
CONFIG_NRFX_TWIM1=y

# Suppress LOG_ERR messages from sd_check_card_type. Because SPI_SDHC has no card presence method,
# assume card is in slot. Thus error message is always shown if card is not inserted
CONFIG_SD_LOG_LEVEL_OFF=y

# Suppress LOG_INF messages from hci_core
CONFIG_BT_HCI_CORE_LOG_LEVEL_WRN=y

CONFIG_AUDIO_DEV=2
CONFIG_AUDIO_SOURCE_I2S=y

CONFIG_MAIN_STACK_SIZE=4096
CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096
CONFIG_COMMON_LIBC_MALLOC=n
CONFIG_DEBUG_THREAD_INFO=y

#CONFIG_NRFX_SPIM4=y
#CONFIG_SPI_SDHC=y
CONFIG_SPI=y
CONFIG_SPI_ASYNC=y
#CONFIG_NRFX_SPIM1=y
#CONFIG_I2C_TARGET=y
CONFIG_PWM=y
#CONFIG_SDMMC_SUBSYS=y
CONFIG_NEWLIB_LIBC_MIN_REQUIRED_HEAP_SIZE=2048
CONFIG_DEBUG_THREAD_INFO=y
CONFIG_BT_AUDIO_USE_BROADCAST_ID_RANDOM=n
#CONFIG_BT_AUDIO_BROADCAST_ID_FIXED=0x004A7526
# for now disable BT controller watchdog
CONFIG_WDT_CTLR=n

# remove things from the dev board
CONFIG_HW_CODEC_CIRRUS_LOGIC=n
CONFIG_INA23X=n
CONFIG_INA230=n

# OTA STUFF
CONFIG_PM_EXTERNAL_FLASH_MCUBOOT_SECONDARY=y
CONFIG_PM_OVERRIDE_EXTERNAL_DRIVER_CHECK=y

# Enable Bootloader
CONFIG_BOOTLOADER_MCUBOOT=y

# Enable SMP Server
CONFIG_MCUMGR=y
CONFIG_MCUMGR_GRP_IMG=y

# CONFIG_MCUMGR_GRP_IMG dependencies
CONFIG_FLASH=y
CONFIG_IMG_MANAGER=y

# CONFIG_IMG_MANAGER dependencies
CONFIG_STREAM_FLASH=y

# CONFIG_MCUMGR dependencies
CONFIG_NET_BUF=y
CONFIG_ZCBOR=y

# Required for CONFIG_IMG_MANAGER
CONFIG_FLASH_MAP=y

# Enable BLE transfer
CONFIG_MCUBOOT_USE_ALL_AVAILABLE_RAM=y
CONFIG_NCS_SAMPLE_MCUMGR_BT_OTA_DFU=y
CONFIG_NCS_SAMPLE_MCUMGR_BT_OTA_DFU_SPEEDUP=y
CONFIG_NRF53_UPGRADE_NETWORK_CORE=y
CONFIG_UPDATEABLE_IMAGE_NUMBER=2
CONFIG_ADD_MCUBOOT_MEDIATE_SIM_FLASH_DTS=y
# fix for DFU stuff, but causes error with jedec,SPI-nor required.
CONFIG_AUDIO_DFU=2
CONFIG_SPI_NOR_SFDP_DEVICETREE=y
#CONFIG_SPI_NOR_SFDP_RUNTIME=y

#end OTA stuff

CONFIG_BT=y
CONFIG_BT_PERIPHERAL=y
CONFIG_BT_DEVICE_NAME="Nordic"

#CONFIG_MAIN_LOG_LEVEL_ERR=y
#CONFIG_AUDIO_HEADSET_CHANNEL_COMPILE_TIME=y
CONFIG_BT_PER_ADV=y
CONFIG_BT_CENTRAL=y
CONFIG_BT_MAX_CONN=2

CONFIG_BT_GATT_CLIENT=y

CONFIG_BT_BUF_ACL_RX_SIZE=255
CONFIG_BT_BUF_ACL_TX_SIZE=501
CONFIG_BT_BUF_CMD_TX_SIZE=255
CONFIG_BT_BUF_EVT_DISCARDABLE_SIZE=255
CONFIG_BT_L2CAP_TX_MTU=247
CONFIG_BT_CONN_TX_MAX=4

CONFIG_TRANSPORT_BIS=y
CONFIG_BLE_LE_POWER_CONTROL_ENABLED=y

CONFIG_TASK_WDT=y
CONFIG_TASK_WDT_MIN_TIMEOUT=500
# Enable NVS
CONFIG_FLASH=y
CONFIG_FLASH_PAGE_LAYOUT=y
CONFIG_NVS=y
#CONFIG_LOG_MODE_IMMEDIATE=y
#CONFIG_NVS_LOG_LEVEL_DBG=y
CONFIG_REBOOT=y
CONFIG_MPU_ALLOW_FLASH_WRITE=y

# These values copied from:
# C:\ncs\v2.1.2\zephyr\samples\subsys\task_wdt\prj.conf
CONFIG_WATCHDOG=y
CONFIG_WDT_LOG_LEVEL_DBG=y
CONFIG_WDT_DISABLE_AT_BOOT=y

CONFIG_FLASH_LOG_LEVEL_DBG=y

# 21540
# #CONFIG_MPSL_FEM_NRF21540_GPIO=y
# #CONFIG_NRF_21540_ACTIVE=y
# #CONFIG_MPSL_FEM_NRF21540_GPIO_SPI=y
# # CONFIG_MPSL_FEM_ONLY is not set
# # CONFIG_MPSL_FEM_ANY_SUPPORT=y
# # CONFIG_MPSL_FEM_NRF21540_GPIO_SUPPORT=y
# # CONFIG_MPSL_FEM_NCS_SUPPORTED_FEM_USED=y
# # CONFIG_MPSL_FEM_API_AVAILABLE=y
# CONFIG_MPSL_FEM=y
# CONFIG_MPSL_FEM_NRF21540_GPIO=y
# #CONFIG_MPSL_FEM_NRF21540_TX_GAIN_DB=10
# #CONFIG_MPSL_FEM_NRF21540_TX_GAIN_DB_POUTA=20
# #CONFIG_MPSL_FEM_NRF21540_TX_GAIN_DB_POUTB=10
# # CONFIG_MPSL_FEM_NRF21540_RX_GAIN_DB=13
# # # CONFIG_MPSL_FEM_NRF21540_RUNTIME_PA_GAIN_CONTROL is not set
# # # CONFIG_MPSL_FEM_POWER_MODEL is not set
# # CONFIG_MPSL_FEM_DEVICE_CONFIG_254=y
# # CONFIG_MPSL_THREAD_COOP_PRIO=6
# # CONFIG_MPSL_WORK_STACK_SIZE=1024
# # CONFIG_MPSL_TIMESLOT_SESSION_COUNT=0
# #CONFIG_DT_HAS_NORDIC_NRF21540_FEM_ENABLED=y
CONFIG_MPSL=y
CONFIG_MPSL_FEM=y
CONFIG_MPSL_FEM_NRF21540_GPIO=y
#CONFIG_MPSL_FEM_NRF21540_GPIO_SPI=y
CONFIG_BT_CTLR_CONN_RSSI=y
CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL=y
CONFIG_MPSL_FEM_NRF21540_TX_GAIN_DB=0
CONFIG_MPSL_FEM_NRF21540_TX_GAIN_DB_POUTA=0

CONFIG_AUDIO_TEST_TONE=y

### HELMUT ###
CONFIG_DFU_TARGET=y
CONFIG_DFU_TARGET_MCUBOOT=y
CONFIG_SIGN_IMAGES=y
CONFIG_MCUBOOT_IMG_MANAGER=y

CONFIG_NORDIC_QSPI_NOR=y
CONFIG_NORDIC_QSPI_NOR_FLASH_LAYOUT_PAGE_SIZE=4096
CONFIG_NORDIC_QSPI_NOR_STACK_WRITE_BUFFER_SIZE=16

# used to enable RTT terminal, and add flash to shell where we can send commands to external flash
# left in here because the RTT terminal was interesting
CONFIG_FLASH=y
#CONFIG_SHELL=y
#CONFIG_FLASH_SHELL=y
CONFIG_FLASH_MAP=y
CONFIG_HEAP_MEM_POOL_SIZE=4096
#CONFIG_UART_CONSOLE=n
#CONFIG_RTT_CONSOLE=y
#CONFIG_SHELL_BACKEND_RTT=y
#CONFIG_USE_SEGGER_RTT=y
#CONFIG_FLASH_SHELL_TEST_COMMANDS=y

# debugging for the MCUMG, may need this again for the UART SMP
# CONFIG_MCUMGR_GRP_FS_LOG_LEVEL_DBG=y
# CONFIG_MCUMGR_GRP_IMG_CLIENT_LOG_LEVEL_DBG=y
# CONFIG_MCUMGR_GRP_IMG_LOG_LEVEL_DBG=y
# CONFIG_MCUMGR_GRP_OS_CLIENT_LOG_LEVEL_DBG=y
# CONFIG_MCUMGR_GRP_OS_LOG_LEVEL_DBG=y
# CONFIG_MCUMGR_GRP_SHELL_LOG_LEVEL_DBG=y
# CONFIG_MCUMGR_GRP_STAT_LOG_LEVEL_DBG=y
# CONFIG_MCUMGR_LOG_LEVEL_DBG=y
# CONFIG_MCUMGR_SMP_CLIENT_LOG_LEVEL_DBG=y
# CONFIG_MCUMGR_TRANSPORT_LOG_LEVEL_DBG=n
# CONFIG_MCUBOOT_UTIL_LOG_LEVEL_DBG=y

# Thread Analyzer
CONFIG_PRINT_STACK_USAGE_MS=5000
CONFIG_THREAD_ANALYZER=y
# CONFIG_THREAD_ANALYZER_LOG_LEVEL_OFF is not set
# CONFIG_THREAD_ANALYZER_LOG_LEVEL_ERR is not set
# CONFIG_THREAD_ANALYZER_LOG_LEVEL_WRN is not set
# CONFIG_THREAD_ANALYZER_LOG_LEVEL_INF is not set
# CONFIG_THREAD_ANALYZER_LOG_LEVEL_DBG is not set
CONFIG_THREAD_ANALYZER_LOG_LEVEL_DEFAULT=y
#CONFIG_THREAD_ANALYZER_LOG_LEVEL=3
CONFIG_THREAD_ANALYZER_USE_LOG=y
# CONFIG_THREAD_ANALYZER_USE_PRINTK is not set
CONFIG_THREAD_ANALYZER_ISR_STACK_USAGE=y
CONFIG_THREAD_ANALYZER_RUN_UNLOCKED=y
#CONFIG_THREAD_ANALYZER_AUTO=y  # we use a custom analyzer
CONFIG_THREAD_ANALYZER_AUTO_INTERVAL=20
CONFIG_THREAD_ANALYZER_AUTO_STACK_SIZE=1024
#CONFIG_SCHED_THREAD_USAGE_ANALYSIS=y

# Modifications of audio encoding
CONFIG_FIFO_RX_FRAME_COUNT=2

CONFIG_USB_DEVICE_STACK=y

and here is overlay-mcuboot_external_flash.conf:

#
# Copyright (c) 2022 Nordic Semiconductor ASA
#
# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
#

CONFIG_SIZE_OPTIMIZATIONS=y
CONFIG_MAIN_STACK_SIZE=20480
CONFIG_MBEDTLS_CFG_FILE="mcuboot-mbedtls-cfg.h"
CONFIG_PCD_APP=y
CONFIG_PM_PARTITION_SIZE_MCUBOOT=0x10000
CONFIG_BOOT_MAX_IMG_SECTORS=2048

CONFIG_NRFX_SPIM4=y

# Enable serial debug for MCUBOOT
CONFIG_CBPRINTF_NANO=y
CONFIG_CONSOLE=y
CONFIG_LOG=y
CONFIG_UART_NRFX=y

# External Flash
CONFIG_NORDIC_QSPI_NOR=y
CONFIG_NORDIC_QSPI_NOR_FLASH_LAYOUT_PAGE_SIZE=4096
CONFIG_NORDIC_QSPI_NOR_STACK_WRITE_BUFFER_SIZE=16
CONFIG_FLASH_LOG_LEVEL_DBG=y
CONFIG_SPI=y
CONFIG_SPI_NOR=y
CONFIG_SPI_NOR_SFDP_DEVICETREE=y
CONFIG_MULTITHREADING=y

# Change default flash erase size for flexible flash layout
CONFIG_SPI_NOR_FLASH_LAYOUT_PAGE_SIZE=4096
CONFIG_BOOT_ERASE_PROGRESSIVELY=y
CONFIG_SOC_FLASH_NRF_EMULATE_ONE_BYTE_WRITE_ACCESS=y
CONFIG_FPROTECT=y

# The following configurations are required to support simultaneous multi-image update
CONFIG_UPDATEABLE_IMAGE_NUMBER=2
CONFIG_BOOT_UPGRADE_ONLY=y

# The network core cannot access external flash directly. The flash simulator must be used to
# provide a memory region that is used to forward the new firmware to the network core
CONFIG_FLASH_SIMULATOR=y
CONFIG_FLASH_SIMULATOR_DOUBLE_WRITES=y
CONFIG_FLASH_SIMULATOR_STATS=n
CONFIG_PM_EXTERNAL_FLASH_MCUBOOT_SECONDARY=y
CONFIG_PM_OVERRIDE_EXTERNAL_DRIVER_CHECK=y

# Enable flash simulator
CONFIG_FLASH=y
CONFIG_FPROTECT=y
CONFIG_PCD_APP=y
CONFIG_FLASH_SIMULATOR=y
CONFIG_FLASH_SIMULATOR_DOUBLE_WRITES=y
CONFIG_FLASH_SIMULATOR_STATS=n
CONFIG_NORDIC_QSPI_NOR=y
CONFIG_NORDIC_QSPI_NOR_FLASH_LAYOUT_PAGE_SIZE=4096
CONFIG_NORDIC_QSPI_NOR_STACK_WRITE_BUFFER_SIZE=16

CONFIG_MAIN_STACK_SIZE=10240

CONFIG_NRF53_MULTI_IMAGE_UPDATE=y
CONFIG_UPDATEABLE_IMAGE_NUMBER=2

CONFIG_BOOT_UPGRADE_ONLY=y
CONFIG_BOOT_IMAGE_ACCESS_HOOK_NRF5340=y
CONFIG_BOOT_IMAGE_ACCESS_HOOKS=y

CONFIG_LOG=y
CONFIG_LOG_DEFAULT_LEVEL=1

CONFIG_FLASH=y
CONFIG_FPROTECT=y
CONFIG_PM=n

CONFIG_BOOT_SIGNATURE_TYPE_RSA=y
### HELMUT ###
CONFIG_BOOT_SWAP_SAVE_ENCTLV=n
### END HELMUT ###

CONFIG_BOOT_BOOTSTRAP=n

CONFIG_ASSERT=n
CONFIG_BOOT_BANNER=n
CONFIG_CONSOLE=y
CONFIG_CONSOLE_HANDLER=n
CONFIG_GPIO=n
CONFIG_I2C=n
CONFIG_SPI=n
CONFIG_KERNEL_MEM_POOL=n
CONFIG_MINIMAL_LIBC_CALLOC=n
CONFIG_MINIMAL_LIBC_MALLOC=n
CONFIG_MINIMAL_LIBC_REALLOCARRAY=n
CONFIG_NCS_SAMPLES_DEFAULTS=y
CONFIG_NO_RUNTIME_CHECKS=y
CONFIG_NRF_RTC_TIMER=y
CONFIG_PRINTK=y
CONFIG_REBOOT=y
CONFIG_RESET_ON_FATAL_ERROR=y
CONFIG_SECURE_BOOT_DEBUG=n
CONFIG_SERIAL=y
CONFIG_SIZE_OPTIMIZATIONS=y
CONFIG_UART_CONSOLE=y

### HELMUT ###
CONFIG_HEAP_MEM_POOL_SIZE=4096
CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4096

0 Maria Gilje 1 month ago in reply to ChrisBon

Hello,

Apologies for the late follow-up. Have you had any more findings in the mean time?

Best regards,

Maria
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0 ChrisBon 28 days ago in reply to Maria Gilje

The only issue we have now, is after a cold boot we get this error.

I: Starting bootloader

E: Failed to open flash area ID 2 (image 0 slot 1): -19, cannot continue

If we perform a soft reset, the unit boots up normally ? Thanks,
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