Lpc2000

Danish Ali wrote:

>One trap I fell into was that I was running my code in _user_ mode
>rather than _system_ mode on the arm processor.
>
>In user mode, you can't manipulate the interrupt enable / disable bits.
>
>The rowley-supplied interrupt enable / disable routines assume you're
>in system mode and don't work in user mode. It might be the same for
>IAR (I don't know).
>
>My way out? I now have a SWI routine to feed the watchdog
>(IRQ automatically disabled - all you must do is disable FIQ
>during the feed).
>
>  
>

That is a good suggestion, thank you.

TomW

-- 
Tom Walsh - WN3L - Embedded Systems Consultant
http://openhardware.net, http://cyberiansoftware.com
"Windows? No thanks, I have work to do..."
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