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AM62A7: AE parameter inquiry

peng qiang
Prodigy 250 points
Part Number: AM62A7

Tool/software:

Hi ti experts

I don't quite understand this reply.

I have checked the AE related codes.

I don't understand how the code adjusts the exposure time in step.

In the code, the exposure time is first multiplied by Tstep and then divided by Tstep.This kind of operation is meaningless.

  • 0
    TI__Guru 52315 points

    Hi peng,

    peng qiang said:
    In the code, the exposure time is first multiplied by Tstep and then divided by Tstep.This kind of operation is meaningless.

    This is integer operation and therefore it has real effects.

    It would be useless if it is floating point division and multiplication.

  • 0 in reply to Gang Hua
    Prodigy 250 points
    Gang Hua said:
    This is integer operation and therefore it has real effects.

    After integer operation, the number being operated on is an integer multiple of Tstep. Why can this operation gradually adjust the exposure time？

  • 0 in reply to peng qiang
    TI__Guru 52315 points
    peng qiang said:
    After integer operation, the number being operated on is an integer multiple of Tstep.

    Yes

    peng qiang said:
    Why can this operation gradually adjust the exposure time？

    If you set Tstep to a large value such as 10ms, exposure time won't be continuous, but it can avoid AC flickering in 50Hz zone.