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Peripheral send rejection on update connection parameter after Master accepts it and send PARAM_REQ.

Question asked by Mahmoud Kassify on Apr 4, 2019
Latest reply on Apr 4, 2019 by Estephania Martinez

Hello everybody.


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?


Any help?