AVR-Chat

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Jim Wagner

On Tue, 17 Jul 2007 14:52:33 +0100
 "Tim Mitchell" <tim@sabretechnology.co.uk> wrote:
> Tim Mitchell wrote:
> > Clark, Andy wrote:
> >> Are you sure you're using the correct cpu include
> file/vector table ?
> >> 
> >> Andy
> > 
> > Yes.. It's actually part of an Atmel demo app which
> does the USB part.
> > 
> 
> 
> Mystery solved - Atmel had mis-defined the cpu register
> include file
> (eek!!!)
> 
> Writing to MCUSR actually wrote to SMCR (sleep mode
> register). You can
> do without that kind of thing, especially from the device
> manufacturer...
> 
> 
> > 
> >> 
> >> ________________________________
> >> 
> >> From: AVR-Chat@yahoogroups.com
> [mailto:AVR-Chat@yahoogroups.com] On
> >> Behalf Of Tim Mitchell Sent: 16 July 2007 14:40
> >> To: AVR-Chat@yahoogroups.com
> >> Subject: [AVR-Chat] AVR 90USB1287 software reset
> >> 
> >> 
> >> 
> >> I'm trying to do a software restart on an
> AVR90USB1287. (basically a
> >> mega128 with USB). 
> >> 
> >> I am disabling interrupts, turning on the watchdog
> timer and going
> >> into an endless loop. When the watchdog times out, it
> resets, but
> >> does not run my software (I am not sure what it is
> doing, or how to
> >> tell). The hardware boot flag is disabled and bootrst
> is disabled so
> >> it should not be jumping to the bootloader.
> >> 
> >> It starts up fine into the software on power up.
> >> 
> >> Anyone got any advice on what it might be doing?
> 
> 
> 
> -- 
> Tim Mitchell
> tim@sabretechnology.co.uk
> http://www.sabretechnology.co.uk
> Sabre Technology (Hull) Ltd, 3a Newlands Science Park,
> Hull HU6 7TQ
> Registered in England and Wales no.3131504
> t:01482 801003 f:01482 801078

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