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Discussion Groups

Discussion Groups | LPC2000 | lpc2368 and data abort exception

Discussion group dedicated to the Philips LPC2000 family of ARM MCUs

lpc2368 and data abort exception - adrianunderwater - Jul 24 1:59:48 2008

Hi,

I have a lpc2368 board that goes into data abort exception on reset.
It doesn't even have time to execute the startup code pointed to by
the reset vector.

Has anyone had this problem?
Does anyone have a suggestion?

Thanks, Adrian
------------------------------------



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Re: lpc2368 and data abort exception - 42Bastian - Jul 24 2:58:01 2008

adrianunderwater schrieb:

> I have a lpc2368 board that goes into data abort exception on reset.
> It doesn't even have time to execute the startup code pointed to by
> the reset vector.
> Does anyone have a suggestion?

Disassemble the code around the location LR points to. Maybe this gives
a clue.
--
42Bastian

Note: SPAM-only account, direct mail to bs42@...

------------------------------------



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Re: lpc2368 and data abort exception - Jorge - Jul 25 17:34:16 2008


Hi,

What compiler are you using ? - I had a similar problem some time ago with
an old version of the Keil compiler. The problem was that the start-up code
for C, was doing an illegal align access. Thus, I couldn't see even the
first instruction of the main() to be executed.

It was solved when I bought the upgrade of the Keil, now, I'm unsing 3.0x
and this problem hasn't happen again, although some one told me that even
with this compiler version, a similar problem was detected when trying to
compile the speex library. The compiler messed something in one of the speex
s functions.

The bottom line is, if you are not able even to execute the first
instruction of your main() code, it could be a compiler fault.

regards,
Jorge.

-------Original Message-------

From: 42Bastian
Date: 2008/7/24 3:57
To: l...@yahoogroups.com
Subject: Re: [lpc2000] lpc2368 and data abort exception

adrianunderwater schrieb:

> I have a lpc2368 board that goes into data abort exception on reset.
> It doesn't even have time to execute the startup code pointed to by
> the reset vector.
> Does anyone have a suggestion?

Disassemble the code around the location LR points to. Maybe this gives
a clue.

--
42Bastian

Note: SPAM-only account, direct mail to bs42@...

------------------------------------



(You need to be a member of lpc2000 -- send a blank email to lpc2000-subscribe@yahoogroups.com )