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From: Jacob Sparre Andersen <jacob@jacob-sparre.dk>
Newsgroups: comp.lang.ada
Subject: Re: Ann: Ada Bar Codes project launched
Date: Wed, 13 Jun 2018 08:57:27 +0200
Organization: JSA Research & Innovation
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Date: 2018-06-13T08:57:27+02:00
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gautier_niouzes@hotmail.com writes:

>> Ever thought about adding hardware support to read bar codes? You
>> could use the gnat serial package. Most bar code readers will be USB
>> or RS232.
>
> Not yet, I begin with easy things (and also the portable and
> deviceless parts), like displaying 1D bar codes...
>
> But if you have a contribution around code bar readers, I could
> include it of course.

Many of the bar code readers I've played with work like USB keyboards,
so just being able to accept numbers from a keyboard can be enough.

Another variant is to use a camera as a bar code reader.  I've seen it
demonstrated using HTML5/JavaScript as a front-end to a Warehouse
Management System written in Ada. ;-)

Greetings,

Jacob
-- 
"I am an old man now, and when I die and go to Heaven there are two matters
 on which I hope enlightenment. One is quantum electro-dynamics and the
 other is turbulence of fluids. About the former, I am rather optimistic."
 Sir Horace Lamb.