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CC2340R5: want to delete specified bonded information

Abinesh Rajendran
Intellectual 365 points
Part Number: CC2340R5


Tool/software:

Dear team

I'm working with the CC2340R5 using SDK 8.40 and IDE 12.8.

I want to delete the specified bonded device by using mac address, and i want to list all bonded devices 

kindly help us on this query.

Thanks and regards

Abinesh. R

  • 0
    TI__Genius 15075 points

    Hi Abinesh,

    Abinesh Rajendran said:
    I want to delete the specified bonded device by using mac address

    You will need to use this API with the GAPBOND_ERASE_SINGLEBOND as the parameter. Take note that if you want to erase bond records while in active connections, you will also need to enable GAPBOND_ERASE_BOND_IN_CONN by using the gapBondMgr API and setting this to true.

    Abinesh Rajendran said:
    i want to list all bonded devices 

    In order to do this, you will have to create a list of connected devices addresses. You can then use GAPBondMgr_FindAddr to see if a record exists. So the complete sequence would be iterating through the addresses stored when connected, and calling GAPBondMgr_FindAddr and if there is a record, to output the address.

    Best,

    Nima Behmanesh

  • 0 in reply to Nima
    Intellectual 365 points

    Hi Nima,

    I tried using the APIs below, but I'm still getting a bond count of one. If the bond is removed in our module ,on the mobile side the device connects without showing the pairing popup.


    if(Bonded_1==1){

    GAPBondMgr_SetParameter(GAPBOND_ERASE_BOND_IN_CONN, sizeof(uint8_t), (uint8_t[]){TRUE});
    GAPBondMgr_SetParameter(GAPBOND_ERASE_SINGLEBOND, B_ADDR_LEN + 1, mac_addr);  // mac addr has connected device address
    GAPBondMgr_GetParameter(GAPBOND_BOND_COUNT, &count);
    uart_app_write(&count,1);   //printing the count
    Bonded_1=0;
    }

  • 0 in reply to Abinesh Rajendran
    TI__Genius 15075 points

    Hi Abinesh,

    The code you provided above, where is this being called in the application? Is it in a separate thread?

    I will try to reproduce this on my side and see if I see anything similar occurring.

    Best,

    Nima Behmanesh

  • 0 in reply to Nima
    Intellectual 365 points

    Hi Nima,

    I'm calling in separate thread.

    After connection and paired ,I'm sending an uart command to remove bonded device by using above shared code.

    Thanks and Regards

    Abinesh

  • 0 in reply to Abinesh Rajendran
    TI__Genius 15075 points

    Hi Abinesh,

    If you're calling those APIs from a separate thread, then you will need to wrap those calls in BLEAppUtil_invokeFunction. Any calls to BLE APIs from outside the BLE stack thread must use the BLEAppUtil_invokeFunction call.

    Do you mind trying that? I recommend creating a wrapper:

    void my_wrapper()
{
    // BLE APIs with parameters
}

BLEAppUtil_invokeFunctionNoData(my_wrapper);

    Best,

    Nima Behmanesh