FOTA not working in custom board NCS

[Sunil vignesh]

Hi,

I have tested FOTA code in nRF52840 DK and it works perfect but i have custom board build with nrf52840 when i implement the code it doesn't get start

custom board not have 32.768khz crystal

[Håkon Alseth]

custom board not have 32.768khz crystal

 Have you tried setting the LFCLK source to RC?

https://github.com/nrfconnect/sdk-zephyr/blob/master/drivers/clock_control/Kconfig.nrf#L33

 

Kind regards,

Håkon

[Sunil vignesh]

Yes i have done it but no response

prj.confg

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

CONFIG_BT=y
CONFIG_BT_PERIPHERAL=y
CONFIG_BT_DEVICE_NAME="Nordic_Blinky"

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

# Added for FOTA
CONFIG_BOOTLOADER_MCUBOOT=y
CONFIG_MCUMGR=y
CONFIG_MCUMGR_CMD_OS_MGMT=y
CONFIG_MCUMGR_CMD_IMG_MGMT=y
CONFIG_MCUMGR_SMP_BT=y
CONFIG_IMG_ERASE_PROGRESSIVELY=y

CONFIG_DEBUG_OPTIMIZATIONS=y
CONFIG_MCUMGR_SMP_BT_AUTHEN=n



CONFIG_PRINTK=y

CONFIG_UART_CONSOLE=y


CONFIG_BT_L2CAP_TX_MTU=252
CONFIG_BT_L2CAP_RX_MTU=252
CONFIG_BT_RX_BUF_LEN=260
CONFIG_BT_CTLR_TX_BUFFER_SIZE=251
CONFIG_BT_CTLR_DATA_LENGTH_MAX=251
CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048


# Clock configuration
CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y
CONFIG_BT_SMP=y
CONFIG_CLOCK_CONTROL_NRF_K32SRC_500PPM=y

[Sunil vignesh]

and when i change this in configure menu

i got this error

[Sunil vignesh]

Hi Håkon,

i have

disable the two stage low frequency clock

changed to synthesized from HFCLK

it works

but i need to config in .conf

how to do it

the mcuboot.conf changes doesn't work can you help for it

[Håkon Alseth]

It seems that mcuboot tries to use temp sensor for calibration intervals. We will need to disable this specifically for mcuboot. Could you try this in mcuboot.conf? 

CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y
CONFIG_CLOCK_CONTROL_NRF_CALIBRATION_MAX_SKIP=0
CONFIG_CLOCK_CONTROL_NRF_CALIBRATION_TEMP_DIFF=0

 

Kind regards,

Håkon

[Sunil vignesh]

I have used HFCLK in main menu so i need to use same in mcuboot.conf

config_CLOCK_CONTROL_NRF_K32SRC_SYNTH=y
CONFIG_CLOCK_CONTROL_NRF_CALIBRATION_MAX_SKIP=0
CONFIG_CLOCK_CONTROL_NRF_CALIBRATION_TEMP_DIFF=0

[Sunil vignesh]

For above also no config changes still the clock doesn't changes

can you once again check my steps

1. My project dfu_lbs created . inside dfu_lbs created folder called child_image

2. in prj.conf added

      # Clock configuration
   CONFIG_CLOCK_CONTROL_NRF_K32SRC_SYNTH=y

3..Inside child_image created mcuboot.conf and pasted 

  CONFIG_CLOCK_CONTROL_NRF_K32SRC_SYNTH=y
  CONFIG_CLOCK_CONTROL_NRF_CALIBRATION_MAX_SKIP=0
  CONFIG_CLOCK_CONTROL_NRF_CALIBRATION_TEMP_DIFF=0

opened the project and cross verified with

project -> configure nrf connect sdk project

a. menuconfig

    

b. mcuboot_menuconfig

 

clock doesn't changed in mcuboot.

I am using SDK v1.4.2 does any thing need to change

[Sunil vignesh]

Hi Håkon,

Anything i have missed here

[Håkon Alseth]

Hi,

 

Sunil vignesh said:

I am using SDK v1.4.2 does any thing need to change

This ncs version does not automatically load child_image configuration, so you need to add this just below the cmake_minimum_required() line in CMakeLists.txt:

list(APPEND mcuboot_OVERLAY_CONFIG
  "${CMAKE_CURRENT_SOURCE_DIR}/child_image/mcuboot.conf"
  )

 

Kind regards,

Håkon

[Sunil vignesh]

changed CMAkelists.txt like this

#
# Copyright (c) 2018 Nordic Semiconductor
#
# SPDX-License-Identifier: LicenseRef-BSD-5-Clause-Nordic
#
cmake_minimum_required(VERSION 3.13.1)

find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
project(NONE)

# NORDIC SDK APP START
target_sources(app PRIVATE
  src/main.c
)

list(APPEND mcuboot_OVERLAY_CONFIG
  "${CMAKE_CURRENT_SOURCE_DIR}/child_image/mcuboot.conf"
  )
  
# NORDIC SDK APP END

zephyr_library_include_directories(.)

but no change

[Håkon Alseth]

Please add it just below the cmake_minimum_required() line.

[Sunil vignesh]

Yes, It works,

Thanks Håkon.

I have last question.

DFU is working with

Open bootloader

Secure Bootloader

i have tried without the key it means open bootloader isn't .

Is there any secure bootloader example . and how dual bank concept is working .

for dfu how to config dual bank or single bank concept