and by the way, the program works perfectly fine on the MPLAb simulator, but
when I put it into the 16F684 and run it on the PICKit, no LEDs are lit up.
- Xiao Xu


On Sat, May 29, 2010 at 11:41 AM, Xiao Xu <xiaoxu193@gmail.com> wrote:

> Alright, here's my entire program, I added TRISA in:
> I'm currently running a 16F684 on a PICKit 1, and I'm trying to get 1 of
> the lED to light up. But unfortunately it refuses to.
>
> #include <pic.h>
>
> __CONFIG(INTIO & WDTDIS & PWRTEN & MCLRDIS & UNPROTECT \
>
>  & UNPROTECT & BORDIS);
>
>
>> void init()
>
> {
>
> PORTA = 0;
>
>    CMCON0 = 7;
>
>    ANSEL = 0;
>
>    TRISA4 = 0;
>
>    TRISA5 = 0;
>
> }
>
> main()
>
> {
>
>    init();
>
>    while(1)
>
>    {
>
>        for (int i = 0; i < 255; i++)
>
>            for (int j = 0; j < 129; j++);
>
>
>>        RA4 = 1;
>
>
>>        for (int i = 0; i < 255; i++)
>
>            for (int j = 0; j < 129; j++);
>
>
>>        RA4 = 0;
>
>    }
>
> }
>
>
> - Xiao Xu
>
>
>
>
> On Sat, May 29, 2010 at 9:32 AM, Olin Lathrop <olin_piclist@embedinc.com>
> wrote:
> > Wouter van Ooijen wrote:
> >>> PORTD |= 1<<0;
> >>
> >> But *do google for "read modify write problem"*. The above line might
> >> *fail* on a PIC (with all compilers).
> >
> > The above line will turn on the intended bit.  The failure is that it
> might
> > alter other bits.
> >
> >
> > ********************************************************************
> > Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products
> > (978) 742-9014.  Gold level PIC consultants since 2000.
> > --
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> >
>
>
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