Rockbox mail archive
Subject: Re: Another possible candidate for expansion of Rockbox?
From: Fred Maxwell (rockbox_at_anti-spam.org)
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
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
Page was last modified "Jan 10 2012" The Rockbox Crew