When the PIC comes up:

    if (Time >= DallasStartTime && Time < DallasEndTime)
        turn_on_pump();
    else
        turn_off_pump();

    then enter your loop checking for the start/stop times

Bob Ammerman
RAm Systems
(contract development of high performance, high function, low-level
software)



----- Original Message -----
From: Francois Robbertze <fr10@PIXIE.CO.ZA>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Thursday, March 29, 2001 2:11 AM
Subject: Re: [PIC]: Timer Routine


> Step1.
> > Use a flag bit.  If it's clear and the time is >= Dallas Start Time,
then
> > turn the power ON.  If it's set, then ignore the Dallas start time in
this
> > case.
> >
> Step2.
> > If it's set and the time is >= Dallas Stop Time, then turn power OFF.
If
> > it's clear already, then ignore the Dallas stop time.
> >
> > --Andrew
>
> What if the time > Stop Time and the FlagBit is cleared (Power OFF)?
>
> It will run Step1 because the FlagBit is cleared and the time >= Start
Time.
> The FlagBit will be set and the power turned ON...
> Now the FlagBit is set and the time >= Stop Time. Thus Step2 gets executed
> which clear the FlagBit again and turn the power OFF...
>
> This ON/OFF routine will now do this forever - - - - - - - or at least
till
> 24H00 (If my minutes Time is set on 0)until the hours gets smallet that
the
> Start Time again.(my code only compare the hours and minutes so the pump
can
> start/stop on a daily basis)
>
> Regards
>
> Francois
>
> --
> http://www.piclist.com hint: The PICList is archived three different
> ways.  See http://www.piclist.com/#archives for details.
>
>

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