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IQexp on 280x devices

Erik Heuvelman
Prodigy 130 points
Other Parts Discussed in Thread: CONTROLSUITE

Hello,

I was wondering if the 280x devices could use the IQexp function in the IQmath library? Because this family has no look-up table for the IQexp function, but is it stil possible to use this function?

Kind regards.

  • 0
    TI__Guru* 92790 points

    Erik Heuvelman said:

    Hello,

    I was wondering if the 280x devices could use the IQexp function in the IQmath library? Because this family has no look-up table for the IQexp function, but is it stil possible to use this function?

    Kind regards.

    Yes it can, but you have to include the table in your application instead of using one in the ROM. 

    Cheers

    Lori

  • 0 in reply to Lori Heustess
    Prodigy 130 points

    Lori Heustess said:

    Hello,

    I was wondering if the 280x devices could use the IQexp function in the IQmath library? Because this family has no look-up table for the IQexp function, but is it stil possible to use this function?

    Kind regards.

    Yes it can, but you have to include the table in your application instead of using one in the ROM. 

    Cheers

    Lori

    [/quote]

    Could you tell me how to include this table? Or is there any documentation on this subject?

    Are there any examples on how to do this?

    Thanks in advance.

  • 0 in reply to Erik Heuvelman
    TI__Guru* 92790 points

    The example in controlSUITE (www.ti.com/controlSUITE) uses the exp function.

    C:\ti\controlSUITE\libs\math\IQmath\v160\examples_ccsv4\C\280x

    The table will get pulled in automatically when you call IQexp.   You can then place it where you like in the linker command file.

    Regards

    Lori