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nested interrupts in ARM (Atmel AT91SAM7S64)

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Wlodek

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I have a problem with nested interrupts on ARM. I use Atmel's AT91SAM7S64 chip, and if I enable 2 interrupts, the chip after a while hangs up. For example, I enable interrupt from Time 0 at 200 Hz and from Timer 1 at 4800 Hz. I use Starter Kit with IAR software (C compiler). I did my best, but it doesn't work. Can anybody pass me an example how to handle nested interrupts?

Wlodek
 

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