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Problem uploading to ADAFRUIT Feather 32u4 using Arduino 2.1

Alexander28

Hi all,

Long time fan of the technology, first time user of the forum.

Currently using a Windows 10 box, with Arduino 2.1 and the following board, from RS Components:

ADAFRUIT Feather 32u4 Development Board 2829

image

Long story short, I used to be able to upload to the board, and now it just hangs at the upload screen, then after 4-5 mins, gives me the below error.

I have used different USB Cables, USB ports and even computers, same issue. I am wondering if i am doing something silly...

This is what i am getting:

"Sketch uses 10934 bytes (38%) of program storage space. Maximum is 28672 bytes.

Global variables use 885 bytes of dynamic memory.

Connecting to programmer: .avrdude: butterfly_recv(): programmer is not responding

avrdude: butterfly_recv(): programmer is not responding"

Had a read of this too:

https://stackoverflow.com/questions/49283074/arduino-leonardo-avrdude-butterfly-recv-programmer-is-not-responding

have tried the 'reset button' before programming, getting the red pulsing light indicating it is resetting, and then tried the upload, still nothing...

Anyone know where i am going wrong?

Really appreciate any help, thank you all!

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  • Did you follow the instructions in the stackoverflow link precisely?

    It says to press and hold reset and then start the upload - wait until compiling is complete and you see the “Uploading” message in the status window before releasing the reset button.

    Seems clunky, but I’ve had to do that before.

  • in reply to ralphjy

    That sounds like the best way to do it (or a reset timed closer to the point where the transfer is about to occur, as Doug mentions). Because the Arduino IDE does its compilation and then transfers, and that may be taking the time that Alexander is referring to, and it is likely timing out of the bootloader by that time!

    It's all a mess because in the effort to simplify, Arduino made it actually more complicated. If the boards simply had a separate boot button, none of these problems would occur. Example is Pi Pico with its separate boot button (although then they went and got rid of the reset button but that's another story).

  • in reply to shabaz

    Thanks guys, seems thats where I might be going wrong, will give it another go.

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