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ISR stack

Altera_Forum
Honored Contributor II
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Hi all, 

what stack does ucosii use when entering an ISR?the interrupted task stack or the system stack? 

tnx
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Altera_Forum
Honored Contributor II
256 Views

Hi, 

 

If you define an exception stack, then it should be the target stack. 

If no, it should be system stack...
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Altera_Forum
Honored Contributor II
256 Views

Thanks for your reply David_Cai, 

but now I have this problem: in the system library page, if I include ucosii I can't set the option "use a separate exception stack".Is it normal and why? 

tnx in advance 

bye
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Altera_Forum
Honored Contributor II
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I think it's normal. 

Maybe it will lower system complexity.
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