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CCS/CC2640: Termination Reason(0x22) : Control Packet Timeout

bradley
Prodigy 80 points
Part Number: CC2640

Tool/software: Code Composer Studio

Hi TI

We use cc2640 to connect one phone(peripheral) and three peripheral(cc2640).

But only the phone will be disconnected.

Disconnection frequency about 40 seconds once.

Termination reason is 0x22.

We can not understand the meaning of Control_Packet_Timeout.

We do not have sniffers to catch air log.

Does anyone have any idea?

Other question!

What is the difference between Supervision_Timeout and Control_Packet_Timeout?

  • 0
    TI__Guru** 105180 points
    Hello,

    A control packet timeout occurs when Link Layer control procedure is not responded to in 40 seconds.

    It's hard to troubleshoot w/o a sniffer capture. Do your peripherals send a connection parameter update request that is not acknowledged?

    Best wishes
  • 0 in reply to JXS
    Prodigy 80 points
    Hi JXS

    Thanks for your ans.

    I don't understand what does "not acknowledged" mean?
    I can not know whether smart phone has sent connection parameter update request.

    Does any method to check this?

    Thanks so much.