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From: Stephen Leake <stephen_leake@stephe-leake.org>
Subject: Re: PR while it's hot: Rosetta/Philae is in Ada
Date: Mon, 17 Nov 2014 08:50:59 -0600
Date: 2014-11-17T08:50:59-06:00	[thread overview]
Message-ID: <85egt1j2y4.fsf@stephe-leake.org> (raw)
In-Reply-To: m49o42$9lb$1@dont-email.me

"J-P. Rosen" <rosen@adalog.fr> writes:

> Le 14/11/2014 21:45, Michael B. a écrit :
>> But this article mentions FORTH (on the second page)?
>> http://articles.adsabs.harvard.edu//full/2003ESASP.532E..72B
>> 
> Apparently, it's just for Philae's control, with a special FORTH
> processor. Presumably, they wanted an interpreted language for that part
> in order to dynamically change it? The paper doesn't say much.

In my experience at NASA, processors for small instruments/spacecraft
are chosen by the hardware team, who give much more consideration to
power and weight concerns than to software ("anything can be fixed in
software, right?").

-- 
-- Stephe


      reply	other threads:[~2014-11-17 14:50 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-12 16:36 PR while it's hot: Rosetta/Philae is in Ada J-P. Rosen
2014-11-12 17:55 ` David Botton
2014-11-13 11:23   ` J-P. Rosen
2014-11-12 18:32 ` Jonathan
2014-11-12 18:52   ` David Botton
2014-11-12 20:26     ` Jonathan
2014-11-12 20:38       ` Jonathan
2014-11-12 22:53         ` Jonathan
2014-11-12 18:49 ` Jonathan
2014-11-12 23:37 ` Randy Brukardt
2014-11-12 23:42 ` Randy Brukardt
2014-11-14 20:45 ` Michael B.
2014-11-16  8:43   ` J-P. Rosen
2014-11-17 14:50     ` Stephen Leake [this message]
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