From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM
	autolearn=ham autolearn_force=no version=3.4.4
X-Google-Thread: 103376,e9aa51c7f1665df8
X-Google-Attributes: gid103376,public
X-Google-Language: ENGLISH,ASCII-7-bit
Path: 
 g2news2.google.com!news3.google.com!news2.volia.net!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From: "Alex R. Mosteo" <devnull@mailinator.com>
Newsgroups: comp.lang.ada
Subject: Re: [ANN] Player-Ada 2.0.3.0 released
Date: Mon, 30 Oct 2006 09:12:24 +0100
Message-ID: <4qlqd0Fna0r5U1@individual.net>
References: <4qcaq6Fmg7u7U1@individual.net>
 <1ruckzczfgwn7$.1o0lhp0ouwqgj.dlg@40tude.net> <4qdv1jFmnkr8U1@individual.net>
 <1kqwejhzkw59d$.1990rsvzqw0p4.dlg@40tude.net> <4qe3otFmoh6kU1@individual.net>
 <1olvkbr644v6x$.1eg74pfjjbpbv$.dlg@40tude.net>
 <4qefshFmqjlrU1@individual.net> <13cwqawj5cl48$.pyzh3o7n3tnz.dlg@40tude.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7Bit
X-Trace: individual.net Ek8CdaN6nO+5lfWnCexY4wpQSunQLGQzDFY2DnUm+rMxsvzUg=
User-Agent: KNode/0.10.4
Xref: g2news2.google.com comp.lang.ada:7273
Date: 2006-10-30T09:12:24+01:00
List-Id: <comp.lang.ada>

Dmitry A. Kazakov wrote:

> Yes it is, but I actually meant the system architecture:
> 
> Sensors / Actuators
>   ^
>   |  DAC/ADC, I/Os etc
>   y
> Controller [closed, runs nobody knows what]
>   ^
>   |  RS232
>   V
> Extension board [open, runs Linux with an [Ada] application on]

That's it, and you explain it mroe clearly than me.

> Architectures like this were widely used in industrial automation 10 years
> ago. History tends to repeat itself... (:-))

At least the move to USB will simplify/cheapify new systems?

> Presently, it is no problem to bring a small embeddable 100MBaud Ethernet
> switch on the board and connect sensors/actuators directly to the robot's
> "LAN." The problem is that Ethernet/fieldbus-capable sensors/actuators are
> quite expensive. Ada were an excellent candidate for implementation of a
> middleware for "software wiring" of process variables in such a system.

Regards,

Alex.