Lpc2000

Maybe you must define VECTORED_IRQ_INTERRUPTS in the preprocessor
defininition screen.
Then in your code, after initialization, (before the endless for loop
on the main program), call __ARMLIB_enableIRQ();

This works for me.

--- In lpc2000@yahoogroups.com, "lpc2131makingcl" <mking@s...> wrote:
>
> I'm running sample code from Rowley, using their "Crossworks for ARM" 
> development suite. I'm working with IAR's demo board for the LPC2148 
> and I'm having trouble with external interrupts. I have been able to 
> run Rowley's timer_interrupt example, and have been able to stop at a 
> set breakpoint in the startup.s file "irq_handler" section. But, I 
> have not seen the external interrupt get that far. That being said, I 
> have verified that the EXTINT flag is being set as it should be, when 
> the external interrupt is asserted. Even though the flag is being set, 
> it does not kickoff the irq_handler.
> 
> Any ideas what the problem could be?
> P.S. I have used Rowley's timer_interrupt code as an example for my 
> external interrupt code - they should act the same way, correct?...
> 
> Thanks!
> Matt
>