Reginald Neale wrote:
>
> Esteemed PIC Gurus:
>
> Does anyone have a favorite way to do a window comparison on an A/D
> result? Seems to me there was one here a week ago, but it has eluded
> me.
>
> What I want to do is to insert code in an existing loop that will set
> an alarm output pin if the A/D result falls outside the window; set
> another pin high if it is below the hard-coded lower limit, set a
> different pin if it is above the upper limit, and continue on without
> setting any of the three if the result is within the window.
>
> TIA,
> Reg Neale

movf ADres,w
sublw UpLimit
btfss status,c
goto TooHigh

movlw LoLimit
subwf ADres,w
btfss status,c
goto TooLow


--
Best regards

Tony

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