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CC2642R: SMP_PAIRING_FAILED_CONFIRM_VALUE after passcode pairing

KBurchMS
Intellectual 500 points
Part Number: LAUNCHXL-CC26X2R1
Other Parts Discussed in Thread: CC2642R

Using Btool 1.42.03 with a CC26X2R running the latest 2.10.00.44 CC26X2R SDK host_test FW as the central, connected to a CC26X2R running simple_peripheral example from the same SDK.

After successful passkey pairing (bond enabled, mitm enabled) during subsequent pairing attempts, I get an SMP_PAIRING_FAILED_CONFIRM_VALUE Rx error when trying to re-pair. Is there some patch to apply? I believe I should be able to re-pair with success multiple times.

  • 0
    Intellectual 500 points

    Part Number: LAUNCHXL-CC26X2R1

    Using Btool 1.42.03 with a CC26X2R running the latest 2.10.00.44 CC26X2R SDK host_test FW as the central, connected to a CC26X2R running simple_peripheral example from the same SDK.

    After successful passkey pairing (bonding enabled, mitm enabled) and during a subsequent connection, when I try to use the generated Long Term Key and IRK values from the successful pair to bond, I receive a GapBondComplete: Failed INVALID_EVENT_ID popup for the GAP_BondComplete event's status. Since these parameters were generated during a successful pair, shouldn't I be able to use them once connected to re-encrypt the connection?

  • 0
    TI__Mastermind 39790 points
    KBurchMS,

    I'll have to test this. I don't think there is any patch. Do you have any sniffer logs we can examine in the meantime?
  • 0 in reply to Evan W
    TI__Mastermind 39790 points
    Merging your threads into one.

    Also, to confirm, you see this using two CC2642R1 LaunchPads correct?
  • 0 in reply to Evan W
    Intellectual 500 points

    Hi Evan,

    Thanks so much for the help. Thanks for merging, I wasnt sure if they were the same issue. Yes, both launchpad CC2642R devices. I didn't realize it but I had my devices (host_test and simple_peripheral) programmed with the 1.60.00.43 SDK version (though using that included BTool). After updating them to 2.10.00.44 and using its BTool, I have no issues. I have tested passkey pairing, bonding, subsequent connections, authenticated reads - and all is now working. Thanks again

  • 0 in reply to KBurchMS
    TI__Mastermind 39790 points
    KBurchMS,

    Thanks for updating me and letting me know! Glad it's working!