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CCS/TMS320F28069: ControlSuite F2806x_CpuTimers.c

Andy Fung
Intellectual 875 points
Part Number: TMS320F28069


Tool/software: Code Composer Studio

The function ConfigCpuTimer() in the file of F2806x_CpuTimers.c, 

PeriodInClocks = (long) (Freq * Period);

Should it cast to Unit32 instead of long?

  • 0
    TI__Mastermind 20855 points
    Hi Andy,

    The size of PeriodinClocks is the same since a long is 32bits and it should not have any effect on the result.You are right in that the result of the product should have been cast to a Uint32. I'll file a bug to get this changed. For more information on data types you can check the compiler's user's guide.

    www.ti.com/.../spru514k.pdf

    Regards,
    Ozino
  • 0
    Expert 2220 points

    According to the header file, Uint32 is unsigned long

    typedef unsigned long   Uint32;

    The only difference is the positive range of long only goes to 2^31-1 instead of 2^32-1.  I doubt Freq*Period would be that big of a number to matter.