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From: Ed Falis <falis@ma.aonix.com>
Subject: Re: question about COM2
Date: 2000/01/07
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In article <3874C02F.53CE5769@hotmail.com>,
  Alexander Van Hecke <alexke@hotmail.com> wrote:
  I don't know what the Interrupt_ID is for serial
> communication : in the function Attach_Handler you must pass your
> interrupt handler routine and the interrupt ID.  I don't know what this
> is for serial communication, and when I look on the internet, I only
> find examples in C (interrupt ID for serial port is 0xC or 0xB or
> something like that : it doesn't work in Ada).

On PC's I think com1 is usually IRQ4 and com2 IRQ3, corresponding to
0xC and 0xB

In Ada you can define the int_id you're using in Attach_Handler as:

Int_Id: constant := 16#B#;   -- Com2 on IRQ3 = INTB

or

Int_Id: constant := 16#C#  -- for Com1 on IRQ4

- Ed


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