Linux and ARM7

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dutchman1234 Contact options for registered users 's Avatar (by Gravatar) posted on
February 22, 2006, 1:20 am
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I'm looking into a RTOS and wanted to get some advice from the real
pros out there.  Would linux be a good solution for an embedded medical
device?

Thanks.


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Grant Edwards Contact options for registered users 's Avatar (by Gravatar) posted on
February 22, 2006, 2:19 am
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Re: Linux and ARM7

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Embedded in a patient?

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Boudewijn Dijkstra Contact options for registered users 's Avatar (by Gravatar) posted on
February 22, 2006, 9:42 am
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Re: Linux and ARM7
Op Wed, 22 Feb 2006 02:20:45 +0100 schreef snipped-for-privacy@hotmail.com  

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It depends.  If the device can hurt, mistreat or kill the patient, then  
no.  If you want an RTOS, then no.  Otherwise, it basically depends on  
requirements of graphics, I/O, response time and memory.


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M.Kmann Contact options for registered users 's Avatar (by Gravatar) posted on
February 22, 2006, 12:46 pm
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nothing such non-predictable should be used in medical devices. but
since I know that some companies use ARM7 with RT linux in critical
areas, it should work if errors cant harm anybody.

Michael Schnell Contact options for registered users 's Avatar (by Gravatar) posted on
February 22, 2006, 10:23 pm
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Linux is not realtime and thus it's timing behavior is not 100 %
predictable. Moreover Linux is huge and thus there might be weakly
tested spots. So critical stuff might better be done in another
environment (Not Windows, of course, as this is even less predictable.)

You might want to take a look at stuff like "PIKE OS" (e.g.
www.sysgo.com). This is a small real time OS that is commercially
supported and certified and works together with Linux. So you can do the
non-critical stuff (GUI, Network etc) in Linux. (I never used it so
don't ask...)

-Michael

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