Lpc2000

Hi !

Everything is working fine now.
The problem was not in VIC configuration, interrupt vectors mapping 
etc...
It was a mistake in linker configuration file (IAR's linker files are 
little crazy) for FIQ stack.

Robert


--- In lpc2000@yahoogroups.com, "moostieuk" <moostieuk@y...> wrote:
> Have you read the user manual on the LPC part?  
> 
> There's a number of things you have to do before getting the VIC to 
> work, one is that if you are running from RAM you have to map the 
> exception vectors to where flash would be, and the interrupt vector 
> needs to specific jump instruction.  
> 
> If you don't do those steps then the normal interrupt vector gets 
> called, i'm guessing your program is jumping off to that.  You 
might 
> want to set a breakpoint on the interrupt vector entry in the 
vector 
> table.
> 
> It's possible that this might not be the problem, I've not seen 
your 
> compiler so I don't know what it does on your behalf, however, I 
did 
> have the same problem as you and I eventually read the manual 
> properly and found the cause of the problem.
> 
> 
> 
> --- In lpc2000@yahoogroups.com, "hansklos2003" <hansklos2003@y...> 
> wrote:
> > Hi!
> > 
> > My problem is: how to make an application with EINT0 assigned to 
> FIQ.
> > I try with someting like below - but it does not work.
> > The source of interrupt is a pushbutton.
> > I use IAR EWARM Kickstart compiler.
> > 
> > A fragment of code with init procedure:
> > 
> >   ...
> >   VICIntSelect = 0x4000;   // Select EINT0 as FIQ.
> >   VICIntEnable = 0x4000;   // Enable EINT0 interrupt.
> >   PINSEL1 = 0x00000001;    // configure P0.16 pin as EINT0.
> >   ...
> > 
> > A code with FIQ handler:
> > 
> >   ...
> >   EXTINT = 0x01;       // Try to reset external interrupt flag.
> >   if (!(EXTINT & 0x01))// Check if flag was reset (button not 
> pressed.
> >   {
> >     AND I CAN NOT REACH THIS POINT
> >   }
> >   ...
> > 
> > What I may say - something is working - after pushing interrupt
> > button program hangs.
> > 
> > Robert