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From: romans_paula@hotmail.com (Paula)
Newsgroups: comp.lang.ada
Subject: Re: New to Ada..need some help regarding Binary Conversion??
Date: 16 Oct 2002 04:06:18 -0700
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Colin Paul Gloster <Colin_Paul_Gloster@ACM.org> wrote in message news:<3DAC4F21.60B7A90D@ACM.org>...
> Paula wrote:
> 
> "Hello all,
> 
> My biggest challenge is now
> I must read in a "data signal" (which is in binary, in the form of
> 16-bit words, can be over more than one word, and isn't in a file),
> convert it to decimal and apply the correct scaling data to convert it
> to engineering units, and then do the reverse (take in engineering
> units, convert to raw bus data). I can do the scaling part...no
> problem..it's the reading in (I don't understand how to get the input
> if it's not in a file or from the keyboard). A coworker suggested
> creating a big table of 16-bit binary arrays, that I could declare a
> data-type as binary (??). Any help would be appreciated.
> 
> Thanks,
> 
> Paula"
> 
> Hello Paula.
> 
> Where exactly is the data signal coming from? You may need to write a
> custom
> device driver to get at the hardware, and maybe an interrupt service
> routine too.
> For example mouse drivers are interrupt driven. You may find it helpful
> to read
> about representation clauses, such as address clauses for interrupts.

The data (from what I understand) is coming from a vme card along a
bus. It will either be MIL-STD-1553, ARINC429, or HW signals. I am
using the Aonix ObjectAda compiler and I'm running it on Win 2000
professional platform.

Paula