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SoftDevice S132 stack usage V7.0.1/V7.2.0

Pascal Künzi

Hi all,

I was wondering what the correct stack usage of the S132 is?

In the release notes for both V7.0.1 and V7.2.0 it says:

"The worst-case stack usage for the SoftDevice is 1.75 kB (0x700 bytes)."

But when I check the SoftDevice Specification (S132_SDS_v7.1) in chapter 14.1, table 29. It states the maximum stack usage as 1536 bytes (0x600).

I can imagine, that the value in the SDS was not updated and is therfore still the old value.

Maybe you can confirm that.

Thank you in advance!

Best regards,

Pascal

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  • +1

    Hello,

    I can see from the s132 releases notes for v7.0.0 vs v7.0.1:

    Call stack: The SoftDevice uses a call stack combined with the application. The worst-case stack usage for the SoftDevice is 1.5 kB (0x600 bytes). Application writers should ensure that enough stack space is reserved to cover the worst-case SoftDevice call stack usage combined with the worst-case application call stack usage.

    Call stack: The SoftDevice uses a call stack combined with the application. Update 1: The worst-case stack usage for the SoftDevice is 1.75 kB (0x700 bytes). Application writers should ensure that enough stack space is reserved to cover the worst-case SoftDevice call stack usage combined with the worst-case application call stack usage.

    Pascal Künzi said:
    Maybe you can confirm that.

    Hereby confirmed.

    Best regards,
    Kenneth

Reply
  • +1

    Hello,

    I can see from the s132 releases notes for v7.0.0 vs v7.0.1:

    Call stack: The SoftDevice uses a call stack combined with the application. The worst-case stack usage for the SoftDevice is 1.5 kB (0x600 bytes). Application writers should ensure that enough stack space is reserved to cover the worst-case SoftDevice call stack usage combined with the worst-case application call stack usage.

    Call stack: The SoftDevice uses a call stack combined with the application. Update 1: The worst-case stack usage for the SoftDevice is 1.75 kB (0x700 bytes). Application writers should ensure that enough stack space is reserved to cover the worst-case SoftDevice call stack usage combined with the worst-case application call stack usage.

    Pascal Künzi said:
    Maybe you can confirm that.

    Hereby confirmed.

    Best regards,
    Kenneth

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