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LAUNCHXL-CC26X2R1: Extended Advertising Broadcast doesn't work

Daniel Lozano
Prodigy 20 points
Part Number: LAUNCHXL-CC26X2R1


Hello,

I'm using a LaunchXL-CC2652R1.

I have changed the simple_bradcast example to be able to broadcast extended advertisings with Coded PHY, but the broadcast doesn't work. I have follow this guide to change the application: https://software-dl.ti.com/simplelink/esd/simplelink_cc2640r2_sdk/2.20.00.49/exports/docs/ble5stack/ble_user_guide/html/ble-stack-5.x/phy.html

I did't know why, so I tried to initiate a Long Range Connection with the project_zero as peripheral and host_test as central following the section Bonus Task 1 of this lab: Bluetooth Low Energy Connections . But it doesn't work either. When I press Scan, no device is found. 

Also, I have tried to advertise on LE 2M PHY following the Bonus Task 2 of this lab: Bluetooth 5 PHY (ti.com) . But it doesn't work either.

So, I have as a conclusion that when I use the extended features of my devices, don't work.

Can you please explain me why this is happening?

Regards, 

Daniel

  • 0
    TI__Mastermind 37805 points

    Hi Daniel,

    While I cannot exactly tell you what's wrong with your current setup, I can give you a couple starting points.

    Are you scanning on the alternate PHY's? You will need to send the appropriate BTool command outlined in the lab to do so.

    Are you able to find the device when you advertise and scan on the legacy 1M PHY?

    Best,

    Nate

  • 0 in reply to Nathan Block
    Prodigy 20 points

    Hi Nathan.

    Thanks for the fast answer. 

    I have resolved the problem. The problem was the Scan Response, wich have to be removed.

    I releazed that I dint't do the removed Scan Response Step of the Bonus Task 2 of Bluetooth 5 PHY (ti.com) lab (advertise on LE 2M PHY). When I made this step, the extended advertising worked. 

    But, in the Bonus Task 1 of Bluetooth Low Energy Connections lab, this step is missing. It is explained that in the project_zero program it isn't necessary to do any change in the code, but until I have eliminated the scan response, it has not worked, I recommend that you add this step.

    Thanks a lot.

    Daniel

  • 0 in reply to Daniel Lozano
    TI__Mastermind 37805 points

    Thank you for the input Daniel! I will make a note of it internally for the next iteration of the SLA.