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From: "Jean St-Pierre" <jstp@deletethis.cae.ca>
Subject: Re: Ada on International Space Station  (Re: where can we get a job with ada)
Date: 2000/03/08
Date: 2000-03-08T18:29:42+00:00	[thread overview]
Message-ID: <8a666m$sa1$1@dns3.cae.ca> (raw)
In-Reply-To: 1B7F2748B2DC0C99.80CD6B3737427E86.89C76B10C3F88FB3@lp.airnews.net

I can also confirm that the software for the new space station robotic
arm is also completely written in Ada 83, for a 386 class processor.
The simulator for that arm is a jolly mix of Fortran, C, C++ and Ada,
running on SGI computers.

Robert B. Love <rlove@antispam.neosoft.com> wrote in message
news:1B7F2748B2DC0C99.80CD6B3737427E86.89C76B10C3F88FB3@lp.airnews.net...
> In <sc336dpgee6168@corp.supernews.com> "Vladimir Olensky" wrote:
> >
> > Robert B. Love wrote in message ...
> >
> > >Actually, lots of work on the ISS is in Ada and NASA ...
> >
> > Are there any references to that ?
> > It would be very interesting to read more about using Ada
> > on  ISS.
>
> Briefly the Station has a 3 tiered heirarchy of flight computers
> talking on 1553 busses.  The flight computers, called MDMs, usually
> come in pairs with one as primary and the other as backup.  These
> computers are 386 class machines.  Each of these Flight computers
> has a program that is written in Ada 83 running in it.  It will
> function both as the real time executive and as the application.
> One interesting difference is the GNC MDM.  Its Ada code is not
> written by hand but spewed out from MatrixX, a commercial program
> often used by control engineers.
>
> To interact with these Flight computers, the crew carry 386/486 laptops
> running Solaris with X-windows and C code to send commands over the
> 1553 bus to the MDMs.
>
> Additionally, the big simulators, used for both crew and mission
> controller training, are programmed in Ada 83 on SGI machines.
> These also have some small portion of C code.
>
> I know less about the Russian flight computers.  I believe they use
> a mix of C and Ada.
>
> Boeing is the prime contractor and is writing this Ada code in Houston,
> Huntsville, Huntington Beach and perhaps other sites.  Raytheon is
> building the simulators.
>
> I wish I had statistics on the total number of SLOCs being produced or
> the total number of people employed in writing it.  Anybody have
> better info?
>
> --
> ----------------------------------------------------------------
>  Bob Love
>  rlove@neosoft.com
> ----------------------------------------------------------------
>






  parent reply	other threads:[~2000-03-08  0:00 UTC|newest]

Thread overview: 176+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-02-04  0:00 where can we get a job with ada HollymaN
2000-02-03  0:00 ` David Kristola
2000-02-04  0:00   ` EKoerber
2000-02-04  0:00     ` Ted Dennison
2000-02-04  0:00       ` Brian Rogoff
2000-02-05  0:00         ` David Kristola
2000-02-06  0:00           ` Simon Brady
2000-02-07  0:00             ` Gareth
2000-02-07  0:00               ` Ted Dennison
2000-02-07  0:00               ` Simon Brady
2000-02-07  0:00               ` Kent Paul Dolan
2000-02-07  0:00                 ` Gareth
2000-02-08  0:00                   ` Kent Paul Dolan
2000-02-11  0:00                 ` where can we ... [off topic] Nick Roberts
2000-02-12  0:00               ` where can we get a job with ada Jeff Carter
2000-02-07  0:00             ` Ted Dennison
2000-02-28  0:00             ` Florian Weimer
2000-02-29  0:00               ` Ted Dennison
2000-03-01  0:00               ` Wes Groleau
2000-03-04  0:00               ` Robert B. Love 
2000-03-05  0:00                 ` Ted Dennison
2000-03-05  0:00                 ` Ada on International Space Station (Re: where can we get a job with ada) Vladimir Olensky
2000-03-08  0:00                   ` Robert B. Love 
2000-03-08  0:00                     ` Vladimir Olensky
2000-03-08  0:00                     ` Jean St-Pierre [this message]
2000-04-03  0:00                   ` Andrew Thomas Wilson
2000-04-12  0:00                     ` David Hoffman
2000-04-13  0:00                       ` Robert B. Love 
2000-04-14  0:00                         ` Desirability of C++ (was Re: Ada on International Space Station (Re: where can we get a job with ada)) David Kristola
2000-04-14  0:00                           ` Wes Groleau
2000-04-14  0:00                             ` Desirability of C++ Stanley R. Allen
2000-04-14  0:00                               ` Marin D. Condic
2000-04-15  0:00                                 ` Tarjei T. Jensen
2000-04-15  0:00                                   ` Marin D. Condic
2000-04-15  0:00                                     ` Tarjei T. Jensen
2000-04-17  0:00                                   ` Alfred Hilscher
2000-04-17  0:00                                     ` Gautier
2000-04-18  0:00                                       ` Pascal Obry
2000-04-18  0:00                                       ` Tarjei T. Jensen
2000-04-18  0:00                                         ` Gautier
2000-04-28  0:00                                         ` Richard D Riehle
2000-05-02  0:00                                           ` Tarjei T. Jensen
2000-04-23  0:00                                       ` David Kristola
2000-04-18  0:00                                     ` Tarjei T. Jensen
2000-04-17  0:00                                 ` Alfred Hilscher
2000-04-17  0:00                                   ` Marin D. Condic
2000-04-17  0:00                                     ` Gary Scott
2000-04-28  0:00                               ` Richard D Riehle
2000-04-30  0:00                                 ` Robert B. Love 
2000-05-01  0:00                                   ` Richard D Riehle
2000-05-01  0:00                                     ` E. Robert Tisdale
2000-04-30  0:00                                       ` Keith Thompson
2000-05-01  0:00                                         ` E. Robert Tisdale
2000-05-01  0:00                                           ` Keith Thompson
2000-05-01  0:00                                       ` Gautier
2000-05-01  0:00                                         ` E. Robert Tisdale
2000-05-01  0:00                                           ` Pat Rogers
2000-05-01  0:00                                             ` David Starner
2000-05-01  0:00                                               ` David Starner
2000-05-01  0:00                                               ` Florian Weimer
2000-05-01  0:00                                                 ` Ted Dennison
2000-05-01  0:00                                                   ` Tarjei Tj�stheim Jensen
2000-05-01  0:00                                                     ` Ted Dennison
2000-05-02  0:00                                                       ` Preben Randhol
2000-05-02  0:00                                                       ` Florian Weimer
2000-05-02  0:00                                                   ` Application in Ada (was Desirability of C++) Jean-Pierre Rosen
2000-05-02  0:00                                                     ` Ted Dennison
2000-05-02  0:00                                                       ` Jean-Pierre Rosen
2000-05-03  0:00                                                       ` Tarjei Tj�stheim Jensen
2000-05-03  0:00                                                         ` Ted Dennison
2000-05-01  0:00                                                 ` Desirability of C++ Lionel Draghi
2000-05-02  0:00                                                   ` Florian Weimer
2000-05-01  0:00                                                 ` David Starner
2000-05-01  0:00                                                 ` tmoran
2000-05-01  0:00                                               ` Pat Rogers
2000-05-01  0:00                                                 ` Ted Dennison
2000-05-01  0:00                                                   ` E. Robert Tisdale
2000-05-01  0:00                                                     ` Gautier
2000-05-01  0:00                                                     ` Pat Rogers
2000-05-01  0:00                                             ` E. Robert Tisdale
2000-05-01  0:00                                               ` Pat Rogers
2000-05-01  0:00                                                 ` Michael P. Walsh
2000-05-01  0:00                                                   ` Pat Rogers
2000-05-01  0:00                                                     ` E. Robert Tisdale
2000-05-02  0:00                                                       ` Bill Greene
2000-05-01  0:00                                         ` Marin D. Condic
2000-05-01  0:00                                         ` Hyman Rosen
2000-05-01  0:00                                           ` Tarjei Tj�stheim Jensen
2000-05-01  0:00                                             ` tmoran
2000-05-02  0:00                                               ` Al Christians
2000-05-02  0:00                                               ` Gautier
2000-05-02  0:00                                                 ` Jean-Pierre Rosen
2000-05-02  0:00                                                   ` Gautier
2000-05-02  0:00                                                     ` Robert A Duff
2000-05-03  0:00                                                       ` Robert I. Eachus
2000-05-03  0:00                                                         ` Robert A Duff
2000-05-04  0:00                                                           ` Robert I. Eachus
2000-05-03  0:00                                                       ` Tarjei T. Jensen
2000-05-03  0:00                                                         ` Robert A Duff
2000-05-03  0:00                                                           ` Delphi Strings (was Re: Desirability of C++) Ray Blaak
2000-05-03  0:00                                                         ` Desirability of C++ Pascal Obry
2000-05-03  0:00                                                           ` Paul Graham
2000-05-03  0:00                                                             ` Pascal Obry
2000-05-03  0:00                                                               ` Paul Graham
2000-05-03  0:00                                                                 ` Robert A Duff
2000-05-04  0:00                                                               ` Ole-Hjalmar Kristensen
2000-05-04  0:00                                                                 ` Pascal Obry
2000-05-04  0:00                                                                 ` Preben Randhol
2000-05-04  0:00                                                                   ` Ole-Hjalmar Kristensen
2000-05-04  0:00                                                                     ` Preben Randhol
2000-05-05  0:00                                                             ` Gautier
2000-05-04  0:00                                                           ` Ole-Hjalmar Kristensen
2000-05-02  0:00                                                     ` Jean-Pierre Rosen
2000-05-03  0:00                                                       ` Marin D. Condic
2000-05-03  0:00                                                         ` Jean-Pierre Rosen
2000-05-03  0:00                                                           ` Wes Groleau
2000-05-04  0:00                                                         ` Robert I. Eachus
2000-05-05  0:00                                                           ` Marin D. Condic
2000-05-03  0:00                                                       ` Robert A Duff
2000-05-03  0:00                                                         ` Jean-Pierre Rosen
2000-05-02  0:00                                               ` Tarjei T. Jensen
2000-05-02  0:00                                                 ` Preben Randhol
2000-05-02  0:00                                                   ` Keith Thompson
2000-05-02  0:00                                                   ` Strings TP/Ada (was Desirability of C++) Gautier
2000-05-03  0:00                                                   ` Desirability of C++ Tarjei T. Jensen
2000-05-03  0:00                                                     ` Robert A Duff
2000-05-02  0:00                                             ` Gautier
2000-05-01  0:00                                           ` Gautier
2000-05-01  0:00                                             ` Brian Rogoff
2000-05-02  0:00                                               ` Gautier
2000-05-02  0:00                                             ` Ole-Hjalmar Kristensen
2000-05-02  0:00                                           ` Richard D Riehle
2000-05-01  0:00                                       ` Ted Dennison
2000-05-01  0:00                                       ` Tarjei Tj�stheim Jensen
2000-05-01  0:00                                         ` Gautier
2000-05-01  0:00                                         ` Pascal Obry
2000-05-01  0:00                                           ` Gautier
2000-05-01  0:00                                             ` Ted Dennison
2000-05-01  0:00                                           ` Tarjei Tj�stheim Jensen
2000-05-07  0:00                                       ` ANTHONY GAIR
2000-05-07  0:00                                         ` Hyman Rosen
2000-05-07  0:00                                           ` ANTHONY GAIR
2000-05-08  0:00                                             ` Hyman Rosen
2000-05-09  0:00                                               ` Pascal Obry
2000-05-11  0:00                                             ` wv12
2000-05-11  0:00                                               ` Warner Bruns
2000-05-18  0:00                                                 ` Warner Bruns
2000-05-19  0:00                                                   ` ANTHONY GAIR
2000-05-24  0:00                                                   ` Richard Kenner
2000-05-18  0:00                                                 ` ANTHONY GAIR
2000-05-11  0:00                                               ` Frank J. Lhota
2000-05-07  0:00                                         ` Robert Dewar
2000-05-07  0:00                                         ` Richard D Riehle
2000-05-07  0:00                                           ` ANTHONY GAIR
2000-05-08  0:00                                             ` Pascal Obry
2000-05-08  0:00                                               ` Ehud Lamm
2000-05-08  0:00                                                 ` Larry Kilgallen
2000-05-08  0:00                                           ` Mario Klebsch
2000-05-08  0:00                                             ` E. Robert Tisdale
2000-05-08  0:00                                               ` Gautier
2000-05-09  0:00                                               ` Stanley R. Allen
2000-05-10  0:00                                                 ` Alfred Hilscher
2000-05-10  0:00                                                 ` Mario Klebsch
2000-05-08  0:00                                           ` Stanley R. Allen
2000-05-09  0:00                                             ` Richard D Riehle
2000-05-01  0:00                                     ` Tarjei Tj�stheim Jensen
2000-05-01  0:00                                 ` Ken Garlington
2000-04-29  0:00                         ` Ada on International Space Station (Re: where can we get a job with ada) Chris Johnston
2000-05-01  0:00                           ` Ted Dennison
     [not found]                       ` <7EA1B852F5D4D8C6.26EEE9181C8Reply-To: Kilgallen@eisner.decus.org.nospam <Ij4OaidfGTH8@eisner.decus.org>
2000-05-01  0:00                         ` Desirability of C++ E. Robert Tisdale
2000-05-01  0:00                       ` Larry Kilgallen
2000-03-22  0:00                 ` where can we get a job with ada Florian Weimer
2000-03-05  0:00               ` David Kristola
2000-02-04  0:00 ` Stanley R. Allen
2000-02-04  0:00   ` Stanley R. Allen
2000-02-06  0:00 ` David Tannen
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