Re: AD library ?

Hi Mark,

   As you are using my analog library, can you send me the latest buggy
source (in jal) to me? Perhaps I can find what's happend.


Regards, Javi.



El sáb, 05 de 04 de 2003 a las 14:39, Mark Gross escribió:
> On Saturday 05 April 2003 02:48 am, Stef wrote:
> >  hi All,
> >
> > I'm looking for an AD library for the 16F87x.
> >
> > I've been searching through the files-section of the jal-list,
> >    (quiet impressive, how many of you already contributed  !!!
> >     it's so much we now really need a functional index ;-)
> >
> > but, back to my problem, I couldn't find one.
> 
> I don't think the problem is in the library code.
> 
> I have a few more strange opservations to share;
> 
> My ADC code works under the following conditions.
> *)  I uncomment  the line -- bug=2 from the forever loop
> or more bothersome
> *) I place debug pin_d1 = high / pin_d1 = low around the call to delay
> within 
> the f877_modules.jal file :(
> 
> (I was going to hook up an osciloscope and look to see if the dealy
> function 
> was behaving differently under the 2 cases of keeping the bug = 2 line
> where 
> things work, and otherwise.)
> 
> This is all VERY odd,  I'm coming to the conclusion that one of the
> following 
> must be true;
> 1) the hex output from JAL doesn't match the asm.  (unlikely as I did
> a gpdasm 
> and gpasm) and got virtualy the same hex file output, that behaves
> exactly as 
> the one that JAL produced)  I have yet to try this experiment using
> the 
> MicroChip tools but I don't expect things to be much different.
> 
> 2) There is a bug/errata in the 16f877 I don't know about that I'm
> getting bit 
> by.  (something like ADC likes to only use even or odd numberd
> resgisters)
> 
> --mgross
> 
> 
>