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ARM How to handle nested interrupts in LPC2300

shyam ST

Dear all
I am using Timer0 and external interrupt 0.
Timer0 of having 10ms.
External interrupt ISR required 50ms to compltet its task, so that I am not getting exactly 10ms interrupt of Timer0.

I also use IENABLE and IDISABLE as told in sample code examples.but still i am not getting result.
I am working on LPC2378 and using
"REAL VIEW MDK-ARM Ver 3.20"

Regards
SS T.
Pune India

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  • 0 in reply to shyam ST

    I think first u need to disable interrupts when
    u enter ISR, and enable back when u getting out of
    that... anyway also with the defination of your
    IENABLE and IDISABLE macro make sure that u enable
    and disable ONLY current interrupt and remaining interrupts are open.

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  • 0 in reply to shyam ST

    I think first u need to disable interrupts when
    u enter ISR, and enable back when u getting out of
    that... anyway also with the defination of your
    IENABLE and IDISABLE macro make sure that u enable
    and disable ONLY current interrupt and remaining interrupts are open.

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