Zdenek Kabelac wrote:
> When we've been searching some real-time OS, we have NOT find any with better than
> 1 milisecond precision (for PC200MMX). With RT-linux we are able to schedule
> task at 2500Hz with with schedulling times are between 400 - 460
> microseconds - even on quite loaded system with IDE drive - however
> than we have some problems with user tasks working with this driver)
For a single periodic task with frequencies above 1KHz, i would say it
is better to use the RTC, implementing the task as interrupt service
routine. Will be more accurate and less time consuming (because scheduler
is not used)
Just a suggestion ...
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