From: "David C. Hoos, Sr." <david.c.hoos.sr@ada95.com>
Subject: Re: IO-PORTS (part 2)
Date: Tue, 14 May 2002 23:32:50 -0500
Date: 2002-05-14T23:32:50-05:00 [thread overview]
Message-ID: <mailman.1021437123.17706.comp.lang.ada@ada.eu.org> (raw)
In-Reply-To: 3CE20BE2.1050202@yahoo.com
----- Original Message -----
From: "Qwerty" <alexanderdupont@yahoo.com>
Newsgroups: comp.lang.ada
To: <comp.lang.ada@ada.eu.org>
Sent: May 15, 2002 2:18 AM
Subject: IO-PORTS (part 2)
<snip>
>
> The program has to be interrupt-driven. What interrupt_id do I have to
> use for the COM1-port (I suppose Names.SIGINT ??? What else, because
> it's not working).
>
If you uise the DOS interrupts package at
http://users.ncrvnet.nl/gmvdijk/other_os.html#DOSINT
then you use Jerry's interrupt chaining mechanism, and you use whatever
IRQ is assigned to the port you're using.
>
> How to use the Interrupt_Priority pragma? I mean, you have to write
> something like: pragma Interrupt_Priority(???).. But I don't really know
> what to write in the ??? place, even constants like Max_Priority as
> specified in the Systems package don't compile..
> BTW My PC is an Intel with Windows 98.
>
I wouldn't even bother with interrupt priorities, and in any case, they
don't apply to Jerry's package.
>
prev parent reply other threads:[~2002-05-15 4:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-15 7:18 IO-PORTS (part 2) Qwerty
2002-05-15 4:32 ` David C. Hoos, Sr. [this message]
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