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  • Case ID: 325546
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nrf5340 audio: FOTA Firmware can't build

Reskyllr

We have a project based on nrf5340 audio demo,Now we upgrade SDK from NCS2.4 to NCS2.6.

But when I built the DFU, I found that FLASH was not enough

c:/ncs/toolchains/cf2149caf2/opt/zephyr-sdk/arm-zephyr-eabi/bin/../lib/gcc/arm-zephyr-eabi/12.2.0/../../../../arm-zephyr-eabi/bin/ld.bfd.exe: zephyr\zephyr_pre0.elf section `text' will not fit in region `FLASH'
c:/ncs/toolchains/cf2149caf2/opt/zephyr-sdk/arm-zephyr-eabi/bin/../lib/gcc/arm-zephyr-eabi/12.2.0/../../../../arm-zephyr-eabi/bin/ld.bfd.exe: region `FLASH' overflowed by 20308 bytes

I know this problem exists in NCS2.5.99 and the reason is, but NCS2.6 should have fixed it?

I know that I need to cut the controller. For BIS headset and BIS gateway, what configurations can I use to reduce the size?

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  • 0

    Hi,

    Which board do you use?

    But when I built the DFU, I found that FLASH was not enough

    Could you provide a complete log?

    I know this problem exists in NCS2.5.99

    Could you provide a reference for this?

    Best regards,
    Dejan

  • 0 in reply to dejans

    Hi,dejans,

      The above is the complete log. The other logs have nothing to do with this problem. The only problem is that region `FLASH' overflowed.
    For NCS2.5.99, it is clearly stated that FOTA cannot be used, so there is no need to test.
    For NCS2.6.0, the instructions provided are as follows:
    Updating the SoftDevice：
    Both FOTA upgrade methods support updating the SoftDevice on the network core. However, the current default build options for the SoftDevice create a binary that is too large to run on the network core together with a bootloader. To reduce the size of the SoftDevice binary, you can disable unused features in the SoftDevice. See SoftDevice Controller documentation for more information.

    What I want to know is which configs I can modify to reduce the size of the softDevice controller.

    At the same time, it does not affect BIS functions.

    Best regards,

    Reskyllr

  • 0 in reply to Reskyllr

    Hi Reskyllr,

    dejans said:
    Which board do you use?

    Could you provide this information?

    Could you also provide your build command?

    Reskyllr said:
    Updating the SoftDevice：
    Both FOTA upgrade methods support updating the SoftDevice on the network core. However, the current default build options for the SoftDevice create a binary that is too large to run on the network core together with a bootloader. To reduce the size of the SoftDevice binary, you can disable unused features in the SoftDevice. See SoftDevice Controller documentation for more information.

    Can you provide relevant link?

    Best regards,
    Dejan

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  • 0 in reply to Reskyllr

    Hi Reskyllr,

    dejans said:
    Which board do you use?

    Could you provide this information?

    Could you also provide your build command?

    Reskyllr said:
    Updating the SoftDevice：
    Both FOTA upgrade methods support updating the SoftDevice on the network core. However, the current default build options for the SoftDevice create a binary that is too large to run on the network core together with a bootloader. To reduce the size of the SoftDevice binary, you can disable unused features in the SoftDevice. See SoftDevice Controller documentation for more information.

    Can you provide relevant link?

    Best regards,
    Dejan

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