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From: | Ing. Daniel Rozsnyó |
Subject: | Re: [avrdude-dev] PDI capable bitbang programmers? |
Date: | Sun, 05 May 2013 10:52:44 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux i686; rv:16.0) Gecko/20121026 Thunderbird/16.0.2 |
On 05/05/2013 10:42 AM, Joerg Wunsch wrote:
As "Ing. Daniel Rozsnyó" wrote:Is there any FTDI based big-bang code (Win or Linux), or I will have to buy a AVR Dragon which has PDI ?See the other thread on avr-chat: it's not even quite sure whether the Dragon will handle the ATxmega*A*U with PDI. So better head for a JTAGICE3 instead. I've heard the TPI and PDI physical protocols are quite similar, so in theory, it might be possible to reuse the existing AVRDUDE bitbang TPI implementations, but I don't think anyone has already started such a project by now.
I have started to compare TPI and PDI - seems very similar. The TPI has a dedicated reset wire, so PDI looks like a subset of TPI, with no modification required.
I saw a recent post about TPI - will give it a try, at least I have the FTDI mentioned there so I can experiment.
Daniel
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