I would think we need to see the differences in the two delay functions to
give a useful answer.

-Denny



On Fri, Nov 29, 2013 at 8:59 AM, Neil <picdude3@narwani.org> wrote:

> Bump.  Hoping someone here can assist with this...
>
>
>
> Quoting Neil <picdude3@narwani.org>:
>
> > Also just tried this on another computer with MPLAB v8.76 and C18
> > v3.42.  Same non-working behaviour.
> >
> > Cheers,
> > -Neil.
> >
> >
> >
> > Quoting Neil <picdude3@narwani.org>:
> >
> >> Happy Thanksgiving US folks,
> >>
> >> Trying to figure out why code isn't working, I've whittled it down to
> >> this oddity:
> >>
> >> This works, toggling LED's repeatedly as expected...
> >>
> >> while (1)
> >> {
> >>      TRISC =3D 0b10101010;                     // '0's will turn LED's=
 on.
> >>      for (x=3D0; x<200; x++)
> >>      {
> >>              Delay10TCYx(255);
> >>              res++;                          // Dummy task
> >>      }
> >>      TRISC =3D 0b01010101;                     // '0's will turn LED's=
 on.
> >>      res++;                                  // Dummy task
> >>      for (x=3D0; x<200; x++)
> >>      {
> >>              Delay10TCYx(255);
> >>              res++;                          // Dummy task
> >>      }
> >> }
> >>
> >>
> >> However, when I switch delay functions and adjust the time units
> >> accordingly, the code stalls at the delay...
> >>
> >> while (1)
> >> {
> >>      TRISC =3D 0b10101010;                     // '0's will turn LED's=
 on.
> >>      for (x=3D0; x<200; x++)
> >>      {
> >>              Delay100TCYx(26);
> >>              res++;                          // Dummy task
> >>      }
> >>      TRISC =3D 0b01010101;                     // '0's will turn LED's=
 on.
> >>      res++;                                  // Dummy task
> >>      for (x=3D0; x<200; x++)
> >>      {
> >>              Delay100TCYx(25);
> >>              res++;                          // Dummy task
> >>      }
> >> }
> >>
> >>
> >> This is a fresh install of MPLAB 8.66 with C18 v3.46.  I've disabled
> >> all optimizations in the project's build options.  What else should I
> >> be checking, or is this a legitimate bug with the compiler/libraries?
> >> FWIW, I also noticed that I could previously use "while (1)" for
> >> infinite loops, but now the compiler hangs for several minutes, memory
> >> usage climbs significantly, then just fails to compile.
> >>
> >> Cheers,
> >> -Neil.
> >>
> >>
> >>
> >> --
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> >
> >
> >
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>
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