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CC1352R: modification to simple_peripheral example not seen on app

Tim Hammer
Intellectual 410 points
Part Number: CC1352R
Other Parts Discussed in Thread: CC1350

I have built and run the simple_peripheral example code on our custom board and am now trying to make modifications to it for my requirements.

I have changed some description strings (characteristics 1 & 2), change char2 to R/W, and removed characteristics 3-5. I have built and run this on the board (and some related changes to UART output are seen, so I know that the new code is running), however, my LightBlue and SensorTag apps are not showing the changes.

Actually, the first change I made, characteristic 1 description string, is showing up, but nothing since then (and that one may not have shown up immediately after I made the change).

What am I forgetting to do when I rebuild so that the apps see the changes?

Thanks!
.Tim

  • 0
    Guru 735685 points
    If you use BTool, can it see those changes that you made?
  • 0
    TI__Guru 57865 points
    Hey,
    Sounds like you might have an error in your code. Any chance you can sniff the communication so we understand exactly where things go wrong? Otherwise, maybe you are willing to share you service code?

    Finally, I presume you have already looked at this: dev.ti.com/.../ble_01_custom_profile.html
  • 0
    Intellectual 410 points
    I set up both BTool and Dev Monitor to work with a CC1350 LP board and was able to see my CC1352R device, service, and characteristics. I did not see anything different there than I saw in the LightBlue and SensorTag apps.

    However, my CC1352R device was borrowed for a while and when I got it back and powered up again, the characteristics were showing up on the apps as expected.
    I have to wonder if one or the other (CC1352R device or iOS app(s)) were caching the service/characteristic data and needed an extended "timeout" to clear and re-read the actual data?

    In any case, I am now getting what I want.
    Thanks!
    .Tim