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Create a lookup table for sinewave tms320f28335 for PSIM

Carlos Correa
Prodigy 60 points

How can i create a lookup table of a sine wave for psim. I tried with some examples that i found on web but I always get the error 3009.

Is this the easy and fast way to generate an internal reference sine wave?


Best regards for all!!

 

Carlos

  • 0
    Guru 35525 points

    Excel ?

    (other spreadsheets are available)

  • 0 in reply to Andy Neil
    Prodigy 60 points

    Yes, but what else do i have to add in my psim project. Because when i add a lookup table i always get an error.

  • 0 in reply to Carlos Correa
    TI__Guru 74400 points

    Carlos,

    I'm not sure what error 3009 is, there are 2 ways to do this.  Either allocate(and reserve off in SRAM) the size of the array you are working with and load it in the C code.  Or allocate it and load it thru an external interface like SCI; you can feed your array through the comm channel and let the CPU write to that memory.


    If it is not dynamic simplest would be to have it loaded with the program as part of the program.  I think there are some extensions with GUI composer that will suck in a file to a location that is defined as well.

    Matt