AVR-Chat

NEVER trust a debugger.  :)  Turn off the interrupt and see if it still
happens.  Something else may be taking you to that address and you may be
chasing a red herring.

DLC

> Hi,
>
> This is why it is so frustrating.  I just re-measured the ground
> connection and according to my ohmmeter it is indeed grounded.
>
> And using the debugger it stops on the interrupt:
>
> "interrupt (EXT_INT0) void ext_int0_isr(void)"  The ATtiny.h file
> lists EXT_INT0 as = 2 which is what the datasheet shows.
>
> BTW I'm using the CodeVisionAVR C Compiler.
>
> Thanks,
>
> Richard Cooke
>
>
>
>
> --- In AVR-Chat@yahoogroups.com, "Dennis Clark" <dlc@...> wrote:
>>
>>   It can't fire if it is grounded.  If it IS firing then one of your
>> assumptions is incorrect:
>>
>> A- You are actually attached to ground
>> B- That INT0 is actually what is firing
>>
>>   So, disable the interrupt and see if the problem goes away - If it
> does
>> then assumption A needs to be examined.  If it does not then clearly
>> assumption B needs to be examined.
>>
>> DLC
>
>>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>


-- 
Dennis Clark
TTT Enterprises