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[bug #61624] [Feature request] Serial/UART UPDI programmers

From: Dawid Buchwald
Subject: [bug #61624] [Feature request] Serial/UART UPDI programmers
Date: Mon, 13 Dec 2021 03:29:25 -0500 (EST)
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.93 Safari/537.36

Follow-up Comment #7, bug #61624 (project avrdude):

First of all, thank you A LOT for your time and I'm really sorry it didn't
work for you. Unfortunately, I don't own any other UPDI based MCUs, and there
are apparently three different programming models for those, so I need to do
some shopping today.

That being said, based on the output you provided (thanks again!) it seems
that the issue is not very severe - programming of the flash went just fine
and it was read back correctly. The only problem I see is that instead of
writing to addresses 0x1000, it seems to have written your image (correctly,
based on following read!) to 0x4000. I must have messed up integration of my
code with AVRDUDE.

Anyway, I will let you know when I fix this. As for the other issue (DTR/RTS)
- I will look into that a bit later, for now I just want the basic upload
procedure to work fine.


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