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  • Case ID: 305080
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About setting a large value for "NRF_SDH_BLE_VS_UUID_COUNT".

takashina hiroki

SDK: 15.3.0
SoftDevice: S132
Device: EYSHJNZWZ (nRF52832)

Please tell me about "NRF_SDH_BLE_VS_UUID_COUNT".
I have set a larger value than the original setting.
Is this a problem in terms of operation?
Also, what are the possible effects of setting a larger value?

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  • +1

    This is not a problem for the application. Increasing the count make the softdevice reserve more RAM space to store these UUIDs and hence the required RAM space for softdevice increases. You will then have few bytes less RAM space for the application. Not a problem if there is no RAM memory squeeze in your application for the nRF chip variant you are using. But could be a problem with complex application needing every single byte of available RAM memory.

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  • +1

    This is not a problem for the application. Increasing the count make the softdevice reserve more RAM space to store these UUIDs and hence the required RAM space for softdevice increases. You will then have few bytes less RAM space for the application. Not a problem if there is no RAM memory squeeze in your application for the nRF chip variant you are using. But could be a problem with complex application needing every single byte of available RAM memory.

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