bluetooth connection parameters help

RE: bluetooth connection parameters help

Haaris — Fri, 24 Aug 2018 05:11:13 GMT

Hey AndrzejB,

I'm using sdk15 and in ble_conn_params.c, I couldn't find any function named "m_current_conn_params"?

I have an nrf52832 development board with and using sdk15.

RE: bluetooth connection parameters help

AndrzejB — Sun, 05 Nov 2017 13:33:20 GMT

Yes :) And btw if you could, mark answer as correct

RE: bluetooth connection parameters help

jon — Sun, 05 Nov 2017 00:23:05 GMT

This was a very helpful response, thanks! I am going to work on getting the m_current_conn_params sent across a uart to make this quick and easy to play with.

In regards to FIRST_CONN_PARAMS_UPDATE_DELAY and NEXT_CONN_PARAMS_UPDATE_DELAY, it seems if a timer will start if the preferred connection parameters are not the same as m_current_conn_params. First_conn_params_upate_delay will be the time at which the first update request is made, provided that the timer has been started due to unliked parameters. Next_conn_params_update_delay seems to be a recurring timer, if parameters are still not liked after the first update request, that the nrf again will ask for an update. Does this sound about right?

RE: bluetooth connection parameters help

AndrzejB — Fri, 03 Nov 2017 21:52:07 GMT

If you want to check parameters, that are currently used in the connection, check m_current_conn_params defined in ble_conn_params.c.
Parameters that you pick on the peripheral side are just preferable by peripheral, but the final decision is on central side. If central will not agree with parameters proposed by peripheral these parameters will be ignored
FIRST_CONN_PARAMS_UPDATE_DELAY and NEXT_CONN_PARAMS_UPDATE_DELAY determine when the Connection Parameter Update Requests will be performed. So, you rather should take care of this two parameters.