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 autolearn=unavailable autolearn_force=no version=3.4.4 Path: border2.nntp.dca1.giganews.com!nntp.giganews.com!usenet.blueworldhosting.com!feeder01.blueworldhosting.com!peer02.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!post02.iad.highwinds-media.com!news.flashnewsgroups.com-b7.4zTQh5tI3A!not-for-mail From: Stephen Leake Newsgroups: comp.lang.ada Subject: Re: PR while it's hot: Rosetta/Philae is in Ada References: Date: Mon, 17 Nov 2014 08:50:59 -0600 Message-ID: <85egt1j2y4.fsf@stephe-leake.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.94 (windows-nt) Cancel-Lock: sha1:frMR7YTSQ4XMpNCwLHkrW1eD8h0= MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Complaints-To: abuse@flashnewsgroups.com Organization: FlashNewsgroups.com X-Trace: 84300546a0b57e3fb833007895 X-Received-Bytes: 1437 X-Received-Body-CRC: 1246560121 Xref: number.nntp.giganews.com comp.lang.ada:190772 Date: 2014-11-17T08:50:59-06:00 List-Id: "J-P. Rosen" 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