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MPU dynamic settings lost

Posted by Tamir Michael on August 28, 2012
Hello,

I have noticed that if a task configures the MPU settings, once the context is lost to another task and then given back, the dynamic settings are no longer applicable but the ones FreeRTOS found in the initial settings provided during the task's creation. Is there a way to tackle this other than to update the initial settings at runtime?

Thanks in advance

RE: MPU dynamic settings lost

Posted by Tamir Michael on August 28, 2012
I see the function "vPortStoreTaskMPUSettings"...

RE: MPU dynamic settings lost

Posted by Tamir Michael on August 28, 2012
But the data structure of the Kernel are privileged - so obviously I cannot alter then...!

RE: MPU dynamic settings lost

Posted by Richard on August 28, 2012
The MPU regions used by a task are stored in, and restored from, the task's TCB. MPU regions used by a task are changed using http://www.freertos.org/vTaskAllocateMPURegions.html

Regards.

RE: MPU dynamic settings lost

Posted by Tamir Michael on August 28, 2012
Thank you.


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