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CC1352P: Warnings and compile errors in bidirectional audio example

Alexander Haß
Prodigy 170 points
Part Number: CC1352P
Other Parts Discussed in Thread: CC3200AUDBOOST, CC2642R

Hi,

I wanted to evaluate the range of BT in audio applications and therefore imported the Central Bidirectional Audio and the Peripheral Bidirectional Audio examples. Firstly, this is my SW/HW setup:

Hardware:

  • CC1352P-2-LaunchPads
  • CC3200AUDBOOST

Software (what I already installed for other examples):

  • CC13x2 CC26x2 SDK 5.20.00.52
  • CC13x2 CC26x2 SDK 5.40.00.40
  • CC13xx CC26xx SDK 6.10.00.29
  • SimpleLink Audio Plugin 3.30.00.06

If I try to import either of both example projects, I get following warning:

And if I ignore the warning and continue, when building the project, I get the following compile errors:

The first one is simple to avoid, since I already had this error on other example projects as well. But the rest of it makes me wonder if I have the wrong SDK version dowloaded. I couldn't find any hint on which SDK version this example is based on in the readme file.

Any hints would be appreciated.

Thank you in advance.

Best regards,

Alex

  • 0
    TI__Guru** 101460 points

    Hi Alex,

    Thank you for your interest in our technologies.

    With the audio plugin, you should  use SDK 3_30 (available here).

    In addition to that, we are aware of two issues you may want to fix before running into them (unresponsive buttons and disconnection issue). It may also make sense to solder the jumper wires (see the Quick Start Guide, section Hardware setup).

    To finish, for range testing, you may want to consider using an external antenna.

    I hope this will help,

    Best regards,

  • 0 in reply to Clément
    Prodigy 170 points

    Hi Clément,

    thank you for your reply. I've downloaded the SDK version 3.30.00.03 and reimported the code examples. Unfortuenately, it still does not work. I suspect I do something wrong here. 

    Usually when importing code examples from the Audio Plugin (or the SDK) a kernel project is imported together with the example project (if it is not in the workspace yet). This is not the case when I import the Central Bidirectional Audio example. I've tested this with a completely new and empty workspace. Also if I import the project, the compile errors I've mentioned in my original post persist, even though I installed the SDK version 3.30.00.03 in my C:\ti\ directory. 

    Best regards,

    Alex

  • +1 in reply to Alexander Haß
    TI__Guru** 101460 points

    Hi Alex,

    I wonder if CCS could be picking the wrong SDK version.
    Once you have imported the project, could you please right click on the project > project properties > General > Products and check the proper SDK version is being used?

    Here is my configuration:

    (Side note: I am using CC2642R, but for this step, it should be the same for any of the CC13x2/CC26x2 devices)

    Alexander Haß said:
    Usually when importing code examples from the Audio Plugin (or the SDK) a kernel project is imported together with the example project (if it is not in the workspace yet). This is not the case when I import the Central Bidirectional Audio example. I've tested this with a completely new and empty workspace. Also if I import the project, the compile errors I've mentioned in my original post persist, even though I installed the SDK version 3.30.00.03 in my C:\ti\ directory. 

    The Bluetooth examples for CC26x2/CC13x2 available in the audio plugin are configured to use only one project. So this should not be a problem :)

    Best regards,

  • +1 in reply to Clément
    Prodigy 170 points

    Hi Clément, 

    thank you, that helped.

    As a sidenote: Installing the SDK ver 3.30.00.03 with the installer you linked to in your earlier post didn't work. I could install the SDK, but t somehow didn't get recognized in the products section of the project properties. I reinstalled the SDK via the resource explorer and only then I could switch the SDK version in the project properties. This is just a note for everyone having similar trouble.

    Thank your for your help.

    Best regards,
    Alex