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

[Sunil vignesh]

I have confg

# Clock configuration
CONFIG_CLOCK_CONTROL_NRF_K32SRC_SYNTH=y

in prj.conf

and also in child_mage\mcuboot.conf

config_CLOCK_CONTROL_NRF_K32SRC_SYNTH=y

but when i check configure nrf connect

for menuconfig

but when i see mcuboot config

how to change it in .config file

[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