AVR-Chat

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
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