Lpc2000

The only thing I can think of is that the IAP routines may not work in 
user mode. Try switching to system mode before calling an IAP routine.

Richard.


mark_dell555 wrote:

> Hi, I'm having a problem erasing the flash with IAP calls on my
> lpc2146.  I'm making calls to the IAP, and get the chip id fine from
> the IAP.  Next I make a call to Prepare the flash for writing (50d),
> and I get CMD_SUCCESS (0d) as the response.  Then I make a call to
> Erase to wipe some sectors where I know I have data (min sector=5  max
> sector=14), and again i get CMD_SUCCESS (0d), but the IAP hasnt erased
> anything, and has only spent 300us completing both those calls.
>
> I'm running in User mode, I have interrupts enabled, and all the
> handlers for the interrupts are in RAM.  Is there something I am
> missing? Is there anything else I can try?
>
> Any help is always greatly appriciated.
>
> Cheers,
> Mark