URL:
<https://savannah.nongnu.org/bugs/?61624>
Summary: [Feature request] Serial/UART UPDI programmers
Project: AVR Downloader/UploaDEr
Submitted by: None
Submitted on: Mon 06 Dec 2021 11:57:08 AM UTC
Category: None
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Originator Name: Hans
Originator Email: [email protected]
Open/Closed: Open
Release: SVN snapshot
Discussion Lock: Any
Programmer hardware: serialupdi
Device type:
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Details:
I know this is a lot to ask, and I don't expect anyone to jump onto this
immediately because one guy would find this incredibly useful.
Avrdude now supports most UPDI compatible programming hardware, but the "last"
thing it lacks is the ability to program UPDI compatible AVRs using a serial
port and a resistor like used in pyupdi and pymcuprog.
https://github.com/mraardvark/pyupdi
https://github.com/microchip-pic-avr-tools/pymcuprog
A "Serial UPDI" programmer is pretty much the simplest programmer you can
make, and by controlling the DTR/RTS line while the UPDI communication is
active, one could easily create a neat programmer you can use for both
programming and serial debugging. I'm sure this feature would make UPDI
compatible AVRs even more appealing, especially since Avrdude is a binary file
that "just works" on all platforms, while a Python package isn't as simple.
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