You might want to check out the MikroElektronica timer
calculator. It is free. Just specify which PIC you are using
and the time you want and it will give all the necessary
settings.

http://www.libstock.com/projects/view/398/timer-calculator

Allen

> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-
> bounces@mit.edu] On Behalf Of Electronic Consultation
> Sent: Saturday, June 29, 2013 6:44 AM
> To: Microcontroller discussion list - Public.
> Subject: Re: [PIC]Counter in PIC
>=20
> Is my counter will give me the right 10ms ?
>=20
> ;*********************************************
> *************************
>          ; 10ms timer function calls
> ;*********************************************
> *************************
>          ;....... 10ms  timer counter here.....
>          timer10ms
>                movf 0x0A
>                btfsc STATUS,Z
>                 goto timer10ms
>=20
>=20
>          ;....................................
>=20
>          incf COUNT1, f
>          movlw  .10        ;Compare count to 100 decimal
>          subwf COUNT1, W        ;Store the result back in
>          btfss STATUS, C        ;Is the result 0, skip if
no
>          goto exittimer
>          clrf     COUNT1
> On 29/06/2013 1:45 PM, eCHIP wrote:
> > If you need a 100 mS delay with a 4 MHz PICmicro, below
is
> the code.
> >
> > delay1mS	movlw .250
> > 		movwf temp1
> > 		clrwdt
> > 		decfsz temp1,f
> > 		goto $-2
> > 		retlw 00
> >
> >
> > delay100ms	movlw .100
> > 		movwf temp
> > 		call delay1ms
> > 		decfsz temp,f
> > 		goto $-2
> > 		retlw 00
> >
> > Cheers
> >
> > Ravi
> >
> >
> >> Hi, when you post to the Piclist you need to put an
> appropriate topic
> >> tag in the subject line. This time I have added one to
your
> message. Bob
> >>
> >> On Fri, Jun 28, 2013, at 10:04 PM, Electronic
Consultation
> wrote:
> >>> Guys,
> >>>
> >>> Am I creating a right counter for PIC ?
> >>>
> >>>        timer100ms
> >>>                  movlw 0x64
> >>>                  movwf COUNT1
> >>>                  decfsz COUNT1
> >>>                  return
> >>>
> >>> thanks
>=20
> --
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> archive
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> http://mailman.mit.edu/mailman/listinfo/piclist


--=20
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