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Parallella Community Supercomputing for Everyone 2015-09-03T15:00:23+00:00 https://parallella.org/forums/feed.php?f=28&t=1948 2015-09-03T15:00:23+00:00 2015-09-03T15:00:23+00:00 https://parallella.org/forums/viewtopic.php?t=1948&p=15776#p15776 <![CDATA[Re: FreeRTOS running on Epiphany core]]> Statistics: Posted by jlambrecht — Thu Sep 03, 2015 3:00 pm

]]> 2014-12-16T15:20:55+00:00 2014-12-16T15:20:55+00:00 https://parallella.org/forums/viewtopic.php?t=1948&p=12107#p12107 <![CDATA[Re: FreeRTOS running on Epiphany core]]> Will try to run it on my board soon!

Statistics: Posted by matthias.b — Tue Dec 16, 2014 3:20 pm

]]> 2014-11-30T20:50:40+00:00 2014-11-30T20:50:40+00:00 https://parallella.org/forums/viewtopic.php?t=1948&p=11844#p11844 <![CDATA[Re: FreeRTOS running on Epiphany core]]> But in the meantime we need to work within 32KB. :(

What about a few simple (?) library routines added to the FreeRTOS version that do for the worker tasks?

32KB - 12KB = 20KB. Loads of room!
64KB - 12KB = even more!!!!! :D

Cheers,

Statistics: Posted by greytery — Sun Nov 30, 2014 8:50 pm

]]> 2014-11-30T20:17:31+00:00 2014-11-30T20:17:31+00:00 https://parallella.org/forums/viewtopic.php?t=1948&p=11842#p11842 <![CDATA[Re: FreeRTOS running on Epiphany core]]>
Andreas

Statistics: Posted by aolofsson — Sun Nov 30, 2014 8:17 pm

]]> 2014-11-30T16:55:04+00:00 2014-11-30T16:55:04+00:00 https://parallella.org/forums/viewtopic.php?t=1948&p=11835#p11835 <![CDATA[Re: FreeRTOS running on Epiphany core]]> Statistics: Posted by ralisi — Sun Nov 30, 2014 4:55 pm

]]> 2014-11-30T16:42:33+00:00 2014-11-30T16:42:33+00:00 https://parallella.org/forums/viewtopic.php?t=1948&p=11834#p11834 <![CDATA[Re: FreeRTOS running on Epiphany core]]> What is the code size like?

Andreas

Statistics: Posted by aolofsson — Sun Nov 30, 2014 4:42 pm

]]> 2014-11-30T16:09:17+00:00 2014-11-30T16:09:17+00:00 https://parallella.org/forums/viewtopic.php?t=1948&p=11832#p11832 <![CDATA[FreeRTOS running on Epiphany core]]>
I am working on a research project at my university during which I ported FreeRTOS to the Epiphany processor.

There is one instance of the operating system running on every core. FreeRTOS plus its runtime data fit into the core's local memory. In order to allow communication between the cores I created an abstraction c2c.c which integrates the Epiphany's shared memory approach into FreeRTOS' queue model.

The Code is available here:
https://github.com/ralisi/FreeRTOS

in order to execute a little example, just run "make" in the FreeRTOS/Demo/parallella directory.


Best regards

Statistics: Posted by ralisi — Sun Nov 30, 2014 4:09 pm

]]>