On Wed, Oct 19, 2005 at 12:21:29AM -0400, Andr? Pouliot wrote:
> Jack Carroll wrote:
>
> >On Tue, Oct 18, 2005 at 10:31:07PM -0400, Timothy Miller wrote:
> >
> >
> >>Well, since I can't find a diagramming app like I want, I thought I
> >>might start working on one.
> >>
> >>
> >
> >
> > Are you sure there isn't anything that will do what you want? I
> >haven't followed this thread closely, so I don't have a clear idea of the
> >requirement.
> > If all you need is to draw lines on paper, there are plenty of
> >candidates.
> >
> What is needed it's a tool where you can write on a box, what it's
> doing(comportemental, work flow or description). Also create and
> describe the signal linking it with other box near it. When you select a
> box you can pop it open and have a new working sheet with the signal
> comming from the "meta-box" and repeat the process of creating box
> describing their behavior and the signal between them and linking them
> to the meta-box. For being pratical it should allow opening "n" layer of
> box in a box without to much difficulty(I think right now 10 would
> bemore than enough but you never know).
>
> The utility of that is creating a meta schematic of the chipand divide
> it in smaller part(memory controller, vga core, pci core,....) and after
> that, selecting the part you want to work on(ex: vga core) subdivising
> it in smaller part until you can understand what your working on and how
> it connect with the rest of the chip. A tool like that help prevent the
> brain from frying, trying to remember all the interaction between each
> component and how each component should work.
OK. Now I understand what you're talking about. It's a
hierarchical schematic entry program. My new employer has me learning a
package called Orcad Capture. I've been through the manual once, and I'm
starting to practice with it. Unfortunately, it's expensive, runs only on
MS, and depends on a dongle. So I can't practice with it at home.
The closest thing I've heard of that runs on Linux is Eagle. It's
not open source, but as far as I know it's affordable. There's also the
gEDA project; I haven't looked in on it lately, so I don't know how far
along it is. But if you're really stuck and need to hack something, that
might be a lot closer to what you want than a clean sheet of paper.
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