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Original question:

CC2650MODA: SimpleLink Starter iOS issue

CC2650MODA: How to handle "Execeeding max attribute size" error.

Jeffrey Lomibao76
Expert 1210 points

Part Number: CC2650MODA

Hi,

I am using a CC2650MODA as a simple network processor, and a MSP432 as a simple application processor. I am using BLE Device Monitor to test my application.

I have defined an attribute that is 39 bytes in size. I am able to read it okay. However, I am getting an "Execeeding max attribute size" error message when I try to write to it. I need help in figuring out how to fix this issue.

Thanks,

Jeffrey

  • 0
    TI__Mastermind 25810 points

    Hey Jeffrey,

    I'm sorry you've run into some trouble, I'm here to help.

    Which project are you basing out of, under which SDK version? If you're using the simple_application_processor for the MSP432, take a look at the simpleProfile_WriteAttrCB function. Once it finds the characteristic id, it checks the length, i.e.

     if (len == sizeof(simpleProfileChar3))

    Is your characteristic value of the correct size?

  • 0 in reply to Ammar N
    Expert 1210 points
    Hi Ammar,
    I am using simplelink_sdk_ble_plugin_1_40_00_42. My project is based on Project Zero.
    It seems to be a problem with the BLE Device Monitor. I am using version 2.9.0.
    My WriteAttrCB function is not getting called for this attribute.

    I am able to write to this same attribute using BTOOL and LightBlue Explorer app with no problems.

    Thanks,
    Jeffrey
  • 0 in reply to Jeffrey Lomibao76
    TI__Mastermind 25810 points
    Thanks for the update.

    BLE Device monitor was based on Btool, but hasn't been updated as we've stopped supporting it. I recommend (as you already are aware) using Btool.