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Re: [avr-chat] Using avrdude on linux to enter and leave dW


From: Markus Baertschi
Subject: Re: [avr-chat] Using avrdude on linux to enter and leave dW
Date: Mon, 18 Apr 2011 19:45:35 +0200



On Mon, Apr 18, 2011 at 12:46, Joerg Wunsch <address@hidden> wrote:
> So, if I understand this correctly:
Right, you did.

Thanks Jörg,
 
this works reasonably well with avrdude now. Along these steps:
1) Program DWEN with avrdude
    Example: avrdude -P usb -c dragon_isp -p t85 -v -U hfuse:w:0x9D:m
2) Perform actions using debugwire
    Example: avrdude -P usb -c dragon_dw -p t85 -v -U flash:w:sample.hex
1) UnProgram DWEN with avrdude
    Example: avrdude -P usb -c dragon_isp -p t85 -v -U hfuse:w:0xDD:m

There are some instabilities around, for example avrdude would segfault
after step 1). It looks they are dragon related, power-cycling the dragon
did got me unstuck when stuck.

Markus

--
Markus Baertschi, Bas du Rossé 16, CH-1163, Etoy, Switzerland
address@hidden, ++41 (79) 402 1186 (mobile)


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