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CCS/LAUNCHXL-F28069M: STARTUP DELAY IN CODE

Jesal Patel
Intellectual 840 points

Part Number: LAUNCHXL-F28069M

Tool/software: Code Composer Studio

Hi team,

I am running lab 11e (hall to fast transition ) on LAUNCHPAD F28069M. 

The problem is I have flashed the code in device, but there is a small 2second delay before the code starts.

I have enabled the system flag and the identity flag in the code itself.

What could be possible ways to reduce this startup time ?

Please guide me .

  • 0
    TI__Guru 54305 points
    I'm not sure what you mean by "before the code starts." Do you mean before the motor starts spinning or is there some evidence that it's stuck in boot ROM or something?

    If it's the former, the delay could be caused by the ADC offset calibration. It can take a while. You could try disabling it so runOffsetCalculation() won't run and you can set gOffsets_I_pu.value[] and gOffsets_I_pu.value[] to appropriate values in code instead.

    Whitney
  • 0 in reply to Whitney Dewey
    Intellectual 840 points

    Hello Whitney,

    Yes I figured out that the offset calculations slowed down the main program start.

    I bypassed the recalculation functions.

    Now working fine .

    Thank you,

    Jesal