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Subject: RE: Another possible candidate for expansion of Rockbox?
From: VanBaren, Gerald (AGRE) (Gerald.VanBaren_at_smiths-aerospace.com)
Date: 2004-03-08


Hi Fred,

Correction: NASA uses WindRiver's vxWorks. VRTX was a Hunter & Ready product that no longer exists (I forgot who bought them out and let it die away). Incidentally, pSOS effectively no longer exists either: WindRiver bought it and has phased it out.

gvb

> -----Original Message-----
> From: rockbox-bounces_at_cool.haxx.se
> [mailto:rockbox-bounces_at_cool.haxx.se]On Behalf Of Fred Maxwell
> Sent: Friday, March 05, 2004 4:56 PM
> To: Rockbox development
> Subject: Re: Another possible candidate for expansion of Rockbox?
>
>
> eD\/ARd0 F/\KEn^M3 wrote:
>
> > I believe it's ALWAYS better to have an open OS.
>
> After 20+ years in the embedded systems arena, I'll have to disagree.
> The finest real-time OSs available are proprietary, closed source
> products. They weren't developed by taking a desktop or
> server OS and
> stripping stuff out. They were not designed to maintain
> compatability
> with old Unix apps. They were purpose-built to be small, fast, and
> bulletproof. If you want to know the worst-case interrupt latency in
> clock cycles, it's probably already been published. Try finding that
> for ucLinux.
>
> When building something, you want responsible vendors who
> have something
> to lose. If a failure of VRTX causes NASA to lose a satellite, it's
> going to hurt the people who make VRTX -- in a major, ugly
> way. If some
> piece of Linux code written by a 19 year old in the Ukraine
> fails, what
> does he have to lose?
>
> All things being equal, and open OS is the better choice, but
> things are
> seldom equal.
>
> Regards,
> Fred Maxwell
>
>
>
> _______________________________________________
> http://cool.haxx.se/mailman/listinfo/rockbox
>

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