Re: [avr-chat] AVR Dragon 'noreset' exitspec

[Daniel O'Connor]

On Fri, 20 Jun 2008, Joerg Wunsch wrote:
> "Daniel O'Connor" <address@hidden> wrote:
> > Is it possible to tell the Dragon to not reset the target when the
> > ISP cable is connected?
>
> You'd have to ask that the people at Atmel.  If the /RESET line
> defaults to be pulled while no software talks with the Dragon, then
> it won't be possible.

Yes.

> The point is, the software driving the Dragon essentially establishes
> a session: it has to say "Hello" to the Dragon, only then it can tell
> the Dragon about its intentions (i.e., select between JTAG access,
> ISP access, HVSP/HVPP access, or debugWire emulation), perform the
> required actions, and the Dragon is usually quite upset if you don't
> send him a proper "Goodbye" to end the session, so you gotta do that
> as well.

Sounds like a fussy beast indeed :)

> So whatever the Dragon is doing /outside/ a session is beyond
> software control.

I was wondering if there was a setting that altered its power on default 
or something similar.

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
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