Re: [avrdude-dev] writing two Fuse Bytes faild

[Markus Burrer]

Joerg Wunsch schrieb:
> As Markus Burrer wrote:
>
>   
>> If I repeat the same command, both fuse bytes are written
>> successfull.  What's wrong here? (I'm using Ubuntu Linux)
>>     
>
> I suspect this is due to the latching of fuse byte changes.
> All fuse changes affecting oscillator options are latched
> internally, and deferred until after the current ISP session
> has terminated.  That way, one ISP session always operates
> with the same CPU clock source.
>
> All AVRDUDE -U options are handled within a single ISP session.
> Running a separate command, of course, initiates a new session.
>
>   
how does AVR Studio handels this? There it seems to be a single session