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Are all sections of Board.h and associated Files required?

Blair Conner
Expert 4720 points

Hello,

I'm trying to minimize my firmware size while using the TI-RTOS and wanted to know of all sections of the hardware description files are required. All of the TI-RTOS examples I've looked at have code for:

  • Board_initGeneral
  • Board_initGPIO
  • Board_initI2C
  • Board_initSDSPI
  • Board_initSPI
  • Board_initUART
  • Board_initUSB 
  • Board_initWatchdog
  • Board_initWiFi

Each area contains the actual initialization function, but also has some DATA_SECTION pragmas. If I'm not using say the Wifi or Watchdog, can I delete all of the code from the .c and .h files relevant to it? 

Thank you!

Regards,

Blair

  • 0
    TI__Genius 10260 points
    Hi Blair,

    Actually, the #pragma DATA_SECTION() statements in the board files were added to help the TI linker remove code that is not used. If your application does not use SPI (for example), all SPI related objects and functions are removed. You can confirm this by searching the .map file for unused APIs.

    If you want to minimize the size of your application, please see the Memory Usage with TI-RTOS section of the TI-RTOS Users Guide.

    Regards,
    -- Emmanuel.