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CCS/CC2650STK: Swap of notification messages

Frederic Griffe
Expert 1745 points
Part Number: CC2650STK


Tool/software: Code Composer Studio

Hello,

I am sending characteristics notifications at regular time intervals  thanks to a  clock periodic interrupt.

The notification is sent with a call to a  setParameter function calling GATTServApp_ProcessCharCfg.

On the client side I recieve the notification some time not in  the order they were sent. Some time two notifications are being swapped.

Any idea where it could come from ? Or where to look at ?

Best regards.

  • 0
    TI__Mastermind 25035 points
    Hi,

    This does not seem right. Are you checking the status after sending the notifications if it is returning SUCCESS? Are you embedded a counter in your notification to verify that it is indeed swapped? One thing is narrow down the problem is to look at over the air sniffer capture to see if it is a problem with the sending side or receiving side.

    Best wishes
  • 0 in reply to Zahid Haq
    Expert 1745 points
    I confirm the messages were swapped.
    I optimized the real time process to send the notifications (put them in another task) and it seems to have solved the issue.
    But I am not able to explain the root cause of the problem.

    Kind regards.