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TI Home » TI E2E Community » Support Forums » Microcontrollers » C2000™ Microcontrollers » C2000 32-bit Microcontrollers Forum » store variables in flash-memory
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  • store variables in flash-memory

    store variables in flash-memory

    This question is answered
    lukas gro��1
    Posted by lukas gro��1
    on May 07 2012 14:32 PM
    Prodigy20 points

    Hello  Community, 

    i'm working with tms320f28035. At the moment i have a several problem with the stack size. One idea to enlarge the stack  is to store  constant data, wich i receive over i2c, in the on chip flash. Is this possible without using the flash api?

    Best regards Lukas 

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    • Trey German
      Posted by Trey German
      on May 07 2012 15:47 PM
      Verified Answer
      Verified by lukas gro��1
      Genius14500 points

      Lukas,

      To program the flash in an application, the flash API must be used.  There is no way to do what you've suggested without it. 

      Perhaps you could allocate a buffer in RAM to store this constant data instead of using variables that will be placed on the stack?

      Regards,

      Trey

      Trey German

      C2000 Applications

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    • lukas gro��1
      Posted by lukas gro��1
      on May 07 2012 16:59 PM
      Prodigy20 points

      Hello Trey,

      i suspected this. I don't think that this will solve the problem because the stack overflow take place without accessing these data.The workaround is as follows, i have about 0x300h ram left in L0+L1 and a 0x320h stack in M0. The only way  I see to maximize the stack is to minimize the data section instead. 

      Regards Lukas

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