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Interrupt being missed.

 
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ch_dupre



Joined: 22 Aug 2006
Posts: 18

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Interrupt being missed.
PostPosted: Fri Jan 26, 2007 6:31 am     Reply with quote
Hello,

I am currenly using timer3 to trigger an interrupt every 100ms. From time to time, I need to run a part of the program for 1ms which can't be interrupted. So I first disable and and then re-enable the timer interrupt 1ms later.
What happen if a timer overflow occurs when the interrupt is disabled? I suppose I just miss it. Is it possible to service the interrupt?

Thanks,

ch_dupre
Mark



Joined: 07 Sep 2003
Posts: 2838
Location: Atlanta, GA

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PostPosted: Fri Jan 26, 2007 6:57 am     Reply with quote
You will get an interrupt when you reenable global interrupts.
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