Query on SMP Exponential Retry Parameters

[Ken_N]

Hello,

I have a query regarding the exponential waiting period behaviour when pairing fails under repeated attempts. In the Bluetooth Core Spec v5.1 Vol 3, Part H, Section 2.3.6 it mentions that there is a waiting interval along with a maximum waiting interval. Is there any place within the Softdevice/API or SDK to configure or fetch these values?

The only defines could find are the BLE_GAP_CP_CONN_INTERVAL values.

Device:

• NRF52832
• SDK v13.0.0
• SD v4.0.2

Thank you for the assistance.

[bjorn-spockeli]

Hi Ken, 

I believe these values are set internally in the SoftDevice and that they cannot be altered. 

Best regards

Bjørn

[Ken_N]

Thanks for the reply,

Do you know what the maximum waiting interval is set to in the softdevice? I only need to asses whether it may pose a problem given the environment the product is in at this point (High attenuation, high noise).

Regards,

Kenneth