avrdude & UPDI

[Konrad Rosenbaum]

Hi,

is there a cheap UPDI adapter that works with AVRdude?

As far as -c? can tell me only some rather expensive Atmel proggers (ICE, JTAG3, PowerDebugger, XPlained) are supported in UPDI mode.

So far I used a very simple hack with a USB-UART/TTL adapter and pyupdi:

UART                   e.g. AtMega3208
_____                __________________
  RX|-----------o----|UPDI pin
    |      1k   |    |
  TX|----[====]-'    |
----'                '-----------------

I would love to use this with AVRdude, since the dude is more flexible and fits better into my build environment.

Is this possible? Is there another simple/cheap adapter that I can use?

    Konrad

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