Lpc2000

Hello,

the problem was in incorrect MEMMAP setting. In LPC2106 chip other
interrupt service programs worked well, because it had
ldr pc,[pc,#-0xff0] programmed in the flash by our vendor.

Now, with addition of MEMMAP=0x2, posted CAN ISR code works well.

Best regards,
Marek P.

--- In lpc2000@yahoogroups.com, Marek Peca <marek@d...> wrote:
> Dear colleagues,
> 
> playing half a day with LPC2119 CAN controller, I really halted at
> problem, that interrupt service routine for CAN message reception
> does not work.
> 
> I have a board with LPC2119 (TPN0431AY), crystal, CPU and peripheral
> frequency equal to 10MHz. It communicates well via CAN with laptop
> CAN analyser software (both reception and transmission), using
> 50kb/s. Programmed to RAM using bootloader software (other programs
> works well, even with interrupts). Compiled on Linux using gcc,
> header file lpc21xx.h and crt0.s downloaded somewhere.
> 
> * When I use polling for incoming message (C1GSR&0x1), everything
> works well. When I setup CAN receive interrupt handler, it does not
> work -- the handler is never called after message reception.