Lpc2000

Hi Peter,

> ...and the latest in the 2138 I had problems.

so, you would not suggest to take the 2138 for IAP Programming? I 
wanted to use the 2138 because of its big flash memory. Which parts 
of the lpc2000 family are uncritical for IAP Programming?

thank you,
Patrick

--- In lpc2000@yahoogroups.com, Peter Jakacki <peterjak@t...> wrote:
>
> Hi Guille,
> 
> Just to let you know that the IAP looks after everything and I had 
some 
> misgivings about having to hand control over to an IAP. But, as I 
said, 
> it looks after everything. I certainly don't get any inadvertent 
Flash 
> corruption happening.
> 
> My software runs from Flash and never has a problem with 
programming it. 
> A little side note though, somewhere between the early IAP in the 
2106 
> and the latest in the 2138 I had problems. My IAP routines were 
> reporting a program failure. It turned out I was assuming that 
R0,R1 
> would stay intact as it had originally, but the new IAP does not 
restore 
> them.
> 
> Also, I wish Philips would handle the address to sector translate 
> though, otherwise the application interface has to worry about it 
for 
> the different cpu sector maps (petty whinge).
> 
> *Peter*
> 
> 
> Guillermo Prandi wrote:
> > Hi, Bob... I am worried about what you just wrote. I'm in the 
middle 
> > of an urgent project and I took for granted that I can use IAP 
while 
> > my code runs from Flash without giving it a second tought. Can 
you 
> > please explain the concept a little more? I'm reading the 
LPC2138 
> > user's manual at 20.4.10 and it suggests it is possible as long 
as 
> > you disable interrupts while using IAP (or make interrupts to 
run 
> > from RAM).
>