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Processor Type and compile time switches

Mark Norman
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I am writing FLASH code that will work on both a medium and high density STM32 chip. Is there a simple way of selecting the FLASH and PAGE size in my code with out me having two versions of a header file. In other words are there processor configuration #defines that tell me the processor type or better still the flash and page sizes that I can access at compile time.

I'm using Uvision 3 and the two processors I m targetting are STM32F101VB and ..103VE

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    Create two targets.

    For each target, select the C/C++ tab.
    In the field Define, you add a suitable preprocessor define.

    In the source code, you use conditional compilation depending on the value of your define.

    #if PROCESSOR_BIG_BAUTA
    // Building for xxx
    #include <xxx>
#elif PROCESSOR_TINY
    // Building for yyy
    #include <yyy>
#else
    // Oops, unsupported or missing choice
    #error "No known target specified"
#endif

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  • 0 Offline

    Create two targets.

    For each target, select the C/C++ tab.
    In the field Define, you add a suitable preprocessor define.

    In the source code, you use conditional compilation depending on the value of your define.

    #if PROCESSOR_BIG_BAUTA
    // Building for xxx
    #include <xxx>
#elif PROCESSOR_TINY
    // Building for yyy
    #include <yyy>
#else
    // Oops, unsupported or missing choice
    #error "No known target specified"
#endif

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