Timer0 Instant Interrupts Question

Hi all. I am using DT's Instant Interrupts (Thank you Darrell!) and had a question regarding Timer0.

I am using a 18F4680, and have several interrupt sources, INT1, INT2, TMR0 and RX set to LOW priority and INT0 set to HIGH. My question is this: If i am in the INT0 routine and TIMER0 interrupts what happens? Does the TIMER0 interrupt stay flagged so that eventually it will get serviced? Or will i never get to jump to the TIMER0 routine to reset TMR0H and TMR0L?

My INT0 is set at HIGH, it is connected to a MCP2515 CAN controller (which is proving to be way more work than i hoped.)

Any help would be appreciated.

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Originally Posted by wmarchewka

... My question is this: If i am in the INT0 routine and TIMER0 interrupts what happens? Does the TIMER0 interrupt stay flagged so that eventually it will get serviced? ...

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Exactly! It will remain flagged, and cause another interrupt as soon as it exits the current one.

So it will be serviced ... Next.

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My INT0 is set at HIGH, it is connected to a MCP2515 CAN controller (which is proving to be way more work than i hoped.)

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I can only imagine the nightmares. :eek:
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