Lpc2000

can I set a breakpoint inside an ISR and use the jtag to see where the
PC is going to upon exciting the ISR?

Thanks,
Reggie

--- In lpc2000@yahoogroups.com, Charles Manning <manningc2@a...> wrote:
> On Monday 15 August 2005 11:52, Nice Guy wrote:
> > On a project I'm working on I have several interrupt service routines.
> >  All of them work fine except for one of them that is on the external
> > interrupt 0.  The ISR will be sucessfully called once and the system
> > hangs upon exiting the ISR.  I have defined a default ISR to see if
> > spurious interrupts were a problem, and the default ISR never gets
> > called, so all seems well there.  Any sugestions as to what might be
> > the problem?
> >
> 
> Two things I can think of:
> 
> 1) Your interrupt wrapper code is not acknowledging the interrupt
properly, or 
> perhaps not in the right order.
> 2) You're using level instead of edge interrupt detection. Make sure
you're 
> setting this up right.