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From: dennison@telepath.com
Subject: Re: Green Hills Ada library question (Ada on VxWorks)
Date: 1998/09/21
Message-ID: <6u64a7$dmu$1@nnrp1.dejanews.com>#1/1
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In article <6u0bs4$ebm$1@nnrp1.dejanews.com>,
  dewarr@my-dejanews.com wrote:
> In article <6tu9n7$all$1@nnrp1.dejanews.com>,
>   dennison@telepath.com wrote:
> Incidentally: the reason that I said that PC-Clone was a
> somewhat odd designation for an embedded system is that
> at the bare board level, PC clones can have substantial
> differences. These are masked when using some Microsoft
> OS, since one of the things an OEM does is to provide
> interfaces for implementation specific aspects of a
> particular board.
>
> So usually you want to be a bit more precise in designating
> the target if you are building an embedded system. For
> example, there is no such thing as a completely generic
> TCP-IP ethernet interface at this level, the details will
> depend on what particular ethernet card you are using.

That is a reasonable point. There is a finite set of (rather common) PC TCP/IP
cards that VxWorks supports. We are limiting ourselves to that. I'm not doing
the hardware part of the job, but my understanding is that that is the only
place we are really constrained. I guess everything else is probably handled
through standard BIOS and chipset calls.

--
T.E.D.

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