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LP-CC2652RB: CC2652 - BLE Broadcaster is not recognized by BLE Simple Central example project

Andreas U
Intellectual 350 points
Part Number: LP-CC2652RB
Other Parts Discussed in Thread: CC2640

Hi,

I'm just starting to develop an application on basis of the CC2652 microchip and I have two launchpads CC2652R1 for that.

I as well managed to download 2 different programs to the two devices
1. Simple Broadcaster

2. Simple Central


Im trying it out by help of a serial terminal as described.

The Simple Central scans after a few button presses and recognizes other devices in the surrounding area.

However it does not recognize the BLE-MAC issued by the BLE Broadcaster project in its serial terminal.

I already tried to set the scan duration to a longer period, unfortunately that did not work out.

Should I use a different project or what can I do to make this work?

kind regards
Andreas

  • 0
    Guru 735475 points
    It seems that you has asked similar question at e2e.ti.com/.../768051
  • 0 in reply to YiKai Chen
    Intellectual 350 points
    Hi YK Chen,

    thanks for your quick reply unfortunately the post you are refering to is not the solution.
    The question in the post was my own question a few weeks ago.

    My problem now is different because it recognizes other bluetooth devices correctly.

    Just the other development board can't be recognized! I know what MAC adress I should be looking for because the Simple_Broadcaster project is stating it on the serial terminal on startup.

    best regards
    Andreas
  • 0 in reply to Andreas U
    Guru 735475 points
    If you run simple peripheral on another board, can it be recognized by your simple central?
  • 0 in reply to YiKai Chen
    Intellectual 350 points

    Hi YK,

    yes Simple Peripheral can be recognized by Simple Central

    It's just it does not connect until now.

    In the search results of Simple Central the RP address of Simple Peripheral is recognized.

    What exactly is the difference between ID address and RP address? I thought there was just one MAC address ...

    Just for clarification I'm working with the CC2652R1 LauchPad. In those projects there are 2 different types of addresses stated. (Not only one as in the description of the projects for CC2640)

    best regards

  • 0 in reply to Andreas U
    Intellectual 350 points
    Hi YK,

    ok now it works completely.

    At first it was only possible to discover the device (Peripheral) by RP address.
    Second it was finnally possible to establish a connection from Central to Peripheral.
    Third after a reset of both boards, now it only discovers the ID address of the Peripheral device and as well can establish a connection.

    So both projects work an can send each other bytes.

    Probably in the beginning I played around in the menu accidently and changed the scanning phy? is that a possible explanation?

    Please clarify the usage of the two different address types and how to willingly change the scan functionality in the demo-projects!

    Is there a web page explaining the changes in the newer demo-projects?

    best regards
    Andreas
  • 0 in reply to Andreas U
    TI__Guru 56590 points
    The address is a resolvable private address and is explained in the users guide, section "Privacy".
    dev.ti.com/.../