Problem with starting advertising in Bluetooth

RE: Problem with starting advertising in Bluetooth

Illia Alexandrov — Fri, 31 Jan 2025 13:29:29 GMT

Thank you very much!

RE: Problem with starting advertising in Bluetooth

Vidar Berg — Fri, 31 Jan 2025 13:27:36 GMT

Yes, as you can see, this symbol is enabled by default, and it selects the configurations needed to enable support for BLE bonding.

https://academy.nordicsemi.com/courses/bluetooth-low-energy-fundamentals/lessons/lesson-5-bluetooth-le-security-fundamentals/

RE: Problem with starting advertising in Bluetooth

Illia Alexandrov — Fri, 31 Jan 2025 13:23:45 GMT

Thank you, I will be using it. What about CONFIG_BT_STATUS_SECURITY_ENABLED? I don't have that setting anywhere. I only have in Kconfig: config BT_LBS_SECURITY_ENABLED.
bool “Enable security”
default y
select BT_SMP
select BT_SETTINGS
select FLASH
select FLASH_PAGE_LAYOUT
select FLASH_MAP
select NVS
select SETTINGS
help
“Enable BLE security for the LED-Button service”. Is this what you mean, or is there any other way to improve the security?

RE: Problem with starting advertising in Bluetooth

Vidar Berg — Fri, 31 Jan 2025 13:18:32 GMT

Hi, glad to hear that it worked now. Regarding the partition manager, it is fine to disable it for single image builds, but it will be needed if you need to include the bootloader in your project in the future.

RE: Problem with starting advertising in Bluetooth

Illia Alexandrov — Fri, 31 Jan 2025 13:15:23 GMT

Hi. settings_load() helped. Thank you! I also found your old answer devzone.nordicsemi.com/.../bt_le_adv_start-returns--11. Regarding partition manager, I have SB_CONFIG_PARTITION_MANAGER=n set in sysbuild.conf. Or is it better to do using this file with static partitioning?

RE: Problem with starting advertising in Bluetooth

Vidar Berg — Fri, 31 Jan 2025 12:40:39 GMT

Hello,

Advertising start is returning with -EAGAIN (-11) which indicates that the Bluetooth stack is not ready. Does your code call settings_load() before it attempts to start the advertiser?

You also need to keep the settings storage partition if you want to keep "CONFIG_BT_STATUS_SECURITY_ENABLED" enabled. Please note that memory partitions are controlled by the partition manager which means the Devictree partitions will be ignored.

To include both partitions, you can place the static partitioning file included in the zip file below in your project root and do a pristine build.

devzone.nordicsemi.com/.../3731.pm_5F00_static.zip

This should give you the following memory layout:

Best regards,

Vidar