I'm using QN9080 as a peripheral, I implement connection parameter request using "APP_GapcParamUpdateCmd" API after Master accepts it and sends PARAM_REQ, peripheral send rejection on PARAM_REQ to master due to Collision. I read in specs that the master who sends rejection if there is any collision happens.
I have a couple of questions.
1- Why peripheral rejects that after master accepts?
2- I can catch the error code when the Master accepts/rejects the connection parameter.
is there any way to catch the error code if peripheral sends it?