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CCS/LAUNCHXL-CC2650: UpdateLink

Aitor Legorburu
Prodigy 100 points

Part Number: LAUNCHXL-CC2650

Tool/software: Code Composer Studio

I want to make central to change the connection interval of sensorTags using GAPCentralRole_UpdateLink, so, when I click the right button of the central device, it should change a connection interval, but nothing happens. Could someone help me just writing the code that works in this way, or is it imposible?

This is my code:

if (keys & KEY_RIGHT) {
if(BLE_STATE_CONNECTED){
/*
* connHandle
* connIntervalMin
* connIntervalMax
* connLatency
* connTimeout
* Bikoiztu egin dira konexioko parametroak, 800 eta 1600 hurrenez hurren.*/
GAPCentralRole_UpdateLink(connHandle,
DEFAULT_UPDATE_MIN_CONN_INTERVAL_PRIMA,
DEFAULT_UPDATE_MAX_CONN_INTERVAL_PRIMA,
DEFAULT_UPDATE_SLAVE_LATENCY,
DEFAULT_UPDATE_CONN_TIMEOUT_PRIMA);
}

  • 0
    Prodigy 100 points

    Part Number: LAUNCHXL-CC2650

    Tool/software: Code Composer Studio

    Can someone tell me how can I use GAPCentralRole_UpdateLink() function to make sure that central device changes the connection interval of the peripheral?

  • 0
    Prodigy 100 points

    Part Number: LAUNCHXL-CC2650

    Tool/software: Code Composer Studio

    I would like to change the connection parameter from the central: when I click a button in the central device, I would like to send a message to a sensorTag just to change it's connection parameters, so, if the sensorTag was connected every 15 seconds, when i click a button in the central, i would like to change to connect the sensorTag every 5 seconds.

    Is it possible? How would be the code?

  • 0 in reply to Aitor Legorburu
    TI__Genius 12815 points
    Hi Aitor,

    The maximum BLE connection interval is 4 seconds. Are you trying to update the connection interval or are you trying to reconnect with the sensor tag every 5 seconds? I would recommend you take a look at our SimpleLink Academy Connections module for some guidance on connections: dev.ti.com/.../
  • 0
    Prodigy 100 points

    Part Number: LAUNCHXL-CC2650

    Tool/software: Code Composer Studio

    Hi all.

    I would like to update connection parameter from the central, so when I press the right button (for example), to change the connection parameters. How could I do this?

  • 0 in reply to Aitor Legorburu
    TI__Guru** 105180 points
    Hello Aitor,

    I've merged your three posts into one since they are concerning the same topic. Please post follow up questions on this topic in this thread.

    Regarding GAPCentralRole_UpdateLink, you can find this API defined in central.h. I suggest reviewing the SimpleLink Academy lab that Rachel recommends and taking a BLE Packet Sniffer trace during this operation.

    Note that connection parameters are updated only during an active connection. It's not clear from your description if you are trying to establish a connection or update an existing connection.

    Best wishes