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<div class="moz-cite-prefix">On 7/8/2013 2:59 PM, Fernando Nicodemos
wrote:<br>
</div>
<blockquote
cite="mid:CAL5Gzm56XP75tELxNJ_vhSFzD8R6joAQ5UB=UmSve4LbDzoMMw@mail.gmail.com"
type="cite">
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style="font-family:verdana,sans-serif;font-size:small">
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">Dears,<br>
<br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">
I configured 4 equal Tasks in RTEMS and the table as
follows:<br>
<br>
rtems_task_create(<br>
Task_name[ 0 ],<br>
2,<br>
RTEMS_MINIMUM_STACK_SIZE * 2,<br>
RTEMS_PREEMPT | RTEMS_TIMESLICE | RTEMS_ASR |
RTEMS_INTERRUPT_LEVEL(0),<br>
RTEMS_GLOBAL,<br>
&Task_id[ 0 ]<br>
);<br>
<br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">They
will operate in round-robin.<br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">#define
CONFIGURE_MICROSECONDS_PER_TICK 10000<br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">#define
CONFIGURE_TICKS_PER_TIME_SLICE 50<br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small"><br>
</div>
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">The
result should show a timeslice of 500 milisseconds, but what
i see in osciloscope is more then 500ms, exactly 834ms. This
code is running in a ERC32 development kit from Atmel.<br>
<br>
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Where are the pins being written in the code to measure this?<br>
<blockquote
cite="mid:CAL5Gzm56XP75tELxNJ_vhSFzD8R6joAQ5UB=UmSve4LbDzoMMw@mail.gmail.com"
type="cite">
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<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">
<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">Any
ideas what is missing for this extra time?<br>
<br>
</div>
</div>
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</blockquote>
What speed is the erc32?<br>
<br>
I am curious if the assumed CPU speed is different from your actual<br>
board.<br>
<blockquote
cite="mid:CAL5Gzm56XP75tELxNJ_vhSFzD8R6joAQ5UB=UmSve4LbDzoMMw@mail.gmail.com"
type="cite">
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<div class="gmail_default"
style="font-family:verdana,sans-serif;font-size:small">
Thanks,<br>
<br>
</div>
<div><font style="font-family:arial,helvetica,sans-serif"><b
style="color:rgb(0,0,153)">Fernando G. Nicodemos</b></font><br>
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</blockquote>
<br>
<br>
<pre class="moz-signature" cols="72">--
Joel Sherrill, Ph.D. Director of Research & Development
<a class="moz-txt-link-abbreviated" href="mailto:joel.sherrill@OARcorp.com">joel.sherrill@OARcorp.com</a> On-Line Applications Research
Ask me about RTEMS: a free RTOS Huntsville AL 35805
Support Available (256) 722-9985 </pre>
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