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Changing the connection interval

Tom Morrison1
Intellectual 330 points
Other Parts Discussed in Thread: CC2540

Am I write in thinking the connection interval has to be set on each chip? Can it be set over the air? I have purchased a HM-10 CC2540 board (http://imall.iteadstudio.com/im130614001.html). I'm still awaiting its arrival, but any idea how I will be able to change the connection time?. Can I use AT commands?

Thanks

Thomas

  • 0
    TI__Guru 56590 points

    Hello Tom, 

    Sorry for the late reply. You must ask the module vendor as we in TI do not supply the AT API. But if you look in our TI BLE Software developers guide and look at section "3.3.1  Generic Access Profile (GAP) " it says:

    "The peripheral device can request the central device to change the connection settings by sending a “Connection Parameter Update Request”. This request is handled by the L2CAP layer of the protocol stack."

    So you can request an update over the air during run-time from the peripheral (slave when connected).