Re: [avrdude-dev] Stuck trying to program t44 with AVR Dragon (Debian amd64 host)

[Wayne L. Contello]

This is the invocation I use from Mac OS X:
   avrdude -c dragon_isp -p t85 -B 100 -P usb -U flash:w:main.hex:i


Wayne

On Aug 23, 2008, at 12:46 PM, Dave N6NZ wrote:

> Bill Gatliff wrote:
> > Joerg Wunsch wrote:
> > > As Bill Gatliff wrote:
> > >
> > > > $ sudo avrdude -p t44 -c dragon_isp -B 1 -P usb -U  
> > > > flash:w:blueled.hex -vv
> > > ...
> > > >         Setting bit clk period: 1.0
> > > That's an ISP clock of 1 MHz.  If your ATtiny44 is still virgin, it
> > > has a CPU clock of 1 MHz, so the maximal allowed ISP clock is less
> > > than 250 kHz.  Try running with -B 10 instead.
> > Bummer.  Neither that, nor adding information to udev/rules.d seems  
> > to help.  :(
> Well, the udev rules won't help get your ATtiny to talk to the  
> Dragon. The udev rules only allow you to run avrdude as a user, so  
> you don't have to sudo or otherwise be root to talk to the Dragon.
>
> -dave
>
> > b.g.
>
>
>
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Wayne Contello
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