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CC2640R2F: BLE_Simple_Central - what is #define USE_FPGA used for?

DanJ
Prodigy 240 points
Part Number: CC2640R2F
Other Parts Discussed in Thread: BLE-STACK

In the example project BLE_Simple_Central:

Does anyone know what the #define USE_FPGA is used for?

Is there a list somewhere of the optional predefined symbols and their intended effects for this project?

I can't find anything on DEBUG_SW_TRACE either.

  • 0
    TI__Mastermind 33460 points
    Hi Dan,

    In the BLE-Stack User's Guide there is a section dedicated to application defines:
    Developing a Bluetooth Low Energy Application > Creating a Custom Bluetooth Low Energy Application > Compiler Options > Options.
    This table is titled BLE Application Preprocessor Symbols and describes the application defines and what they mean.

    The stack options are listed in Developing a Bluetooth Low Energy Application > Creating a Custom Bluetooth Low Energy Application > Stack Configurations > Configuring Bluetooth low energy Protocol Stack Features

    Any defines not listed in these tables should not be used, or modified. I understand that this list is a bit limited, we have a better one in the CC26x2 SDK, in the same chapter, but these may have diverged from the last CC2640R2 SDK that you are referencing.

    Regarding the specific defines you mentioned:
    USE_FPGA : Internal (to TI) define used for testing sample applications on FPGA platform pre silicon
    DEBUG_SW_TRACE : Internal (to TI) define used for profiling the stack.

    Both of the above defines should not be used and may cause unexpected behavior.