Error: Unknown development platform 'atmelavr' while flashing Arduino HID #480

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opened 2026-02-20 14:00:01 -05:00 by deekerman · 3 comments

deekerman commented

2026-02-20 14:00:01 -05:00

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Originally created by @awolf666 on GitHub (Jun 27, 2022).

Originally assigned to: @mdevaev on GitHub.

I used a PI 2 to setup PIKVM v0. Did everything like in the manual described. There were a few warnings and errors while building the image but the pi booted with the created image. When I tried to flash the Arduino (Pro Micro Atmel Mega 32U4) the following error occured:

[root@pikvm2 hid]# make spi
make _build E=spi
make[1]: Entering directory '/root/hid'
rm -f .current
platformio run --environment spi

If you like PlatformIO, please:

follow us on Twitter to stay up-to-date on the latest project news > https://twitter.com/PlatformIO_Org
star it on GitHub > https://github.com/platformio/platformio
try PlatformIO IDE for embedded development > https://platformio.org/platformio-ide

Processing spi (platform: atmelavr; board: micro; framework: arduino)

Platform Manager: Installing atmelavr
Downloading [####################################] 100%
Unpacking [####################################] 100%
Platform Manager: atmelavr @ 4.0.0 has been installed!
Error: Unknown development platform 'atmelavr'
make[1]: *** [Makefile:9: _build] Error 1
make[1]: Leaving directory '/root/hid'
make: *** [Makefile:4: spi] Error 2

Same error when building the TTL Firmware
I removed "hid" and ".platformio" folders, reinstalled platformio via script from official homepage.
Still the same error

PiKVM info:

RPi 2
v0-hdmi
CSI bridge
KVMD version: pacman -Q | grep kvmd
kvmd 3.117-1
kvmd-fan 0.22-1
kvmd-oled 0.12-1
kvmd-platform-v0-hdmi-rpi2 3.117-1
kvmd-webterm 0.42-1
uStreamer version: ustreamer 5.9-1
Linux kernel: Linux pikvm2 5.15.34-2-rpi-ARCH #1 SMP Fri Jun 3 06:14:48 MSK 2022 armv7l GNU/Linux

Originally created by @awolf666 on GitHub (Jun 27, 2022). Originally assigned to: @mdevaev on GitHub. I used a PI 2 to setup PIKVM v0. Did everything like in the manual described. There were a few warnings and errors while building the image but the pi booted with the created image. When I tried to flash the Arduino (Pro Micro Atmel Mega 32U4) the following error occured: [root@pikvm2 hid]# make spi make _build E=spi make[1]: Entering directory '/root/hid' rm -f .current platformio run --environment spi ************************************************************************************************************************ If you like PlatformIO, please: - follow us on Twitter to stay up-to-date on the latest project news > https://twitter.com/PlatformIO_Org - star it on GitHub > https://github.com/platformio/platformio - try PlatformIO IDE for embedded development > https://platformio.org/platformio-ide ************************************************************************************************************************ Processing spi (platform: atmelavr; board: micro; framework: arduino) ------------------------------------------------------------------------------------------------------------------------ Platform Manager: Installing atmelavr Downloading [####################################] 100% Unpacking [####################################] 100% Platform Manager: atmelavr @ 4.0.0 has been installed! Error: Unknown development platform 'atmelavr' make[1]: *** [Makefile:9: _build] Error 1 make[1]: Leaving directory '/root/hid' make: *** [Makefile:4: spi] Error 2 Same error when building the TTL Firmware I removed "hid" and ".platformio" folders, reinstalled platformio via script from official homepage. Still the same error **PiKVM info:** - RPi 2 - v0-hdmi - CSI bridge - KVMD version: `pacman -Q | grep kvmd` kvmd 3.117-1 kvmd-fan 0.22-1 kvmd-oled 0.12-1 kvmd-platform-v0-hdmi-rpi2 3.117-1 kvmd-webterm 0.42-1 - uStreamer version: ustreamer 5.9-1 - Linux kernel: Linux pikvm2 5.15.34-2-rpi-ARCH #1 SMP Fri Jun 3 06:14:48 MSK 2022 armv7l GNU/Linux

deekerman

2026-02-20 14:00:01 -05:00

closed this issue
added the
type:bug

resolution:fixed
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deekerman commented

2026-02-20 14:00:03 -05:00

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@mdevaev commented on GitHub (Jun 27, 2022):

I've build the new platformio. Update OS, remove old hid directory and retry. It will work.

@mdevaev commented on GitHub (Jun 27, 2022): I've build the new platformio. Update OS, remove old `hid` directory and retry. It will work.

deekerman commented

2026-02-20 14:00:04 -05:00

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@awolf666 commented on GitHub (Jun 28, 2022):

Please assume that I'm a total noob. (because I am)

I rebuild the image following these instructions:
https://docs.pikvm.org/building_os/

--> QUESTION: I just deleted the old "os" folder. Are there any other remnants (e.g. docker container?) hiding elsewhere? Because flashing the firnware didn't work initially. Still got the old error.

Next flashing the Arduino:
https://docs.pikvm.org/flashing_hid/
Still got the same error.
After running "pacman -Syu" it worked. Perhaps that command should be integrated into the instructions above. (I never had anything done with arch or pacman (because I am noob) so I didn't know how to run a system upgrade)

Regards

@awolf666 commented on GitHub (Jun 28, 2022): Please assume that I'm a total noob. (because I am) I rebuild the image following these instructions: https://docs.pikvm.org/building_os/ --> QUESTION: I just deleted the old "os" folder. Are there any other remnants (e.g. docker container?) hiding elsewhere? Because flashing the firnware didn't work initially. Still got the old error. Next flashing the Arduino: https://docs.pikvm.org/flashing_hid/ Still got the same error. After running "pacman -Syu" it worked. Perhaps that command should be integrated into the instructions above. (I never had anything done with arch or pacman (because I am noob) so I didn't know how to run a system upgrade) Regards

deekerman commented

2026-02-20 14:00:04 -05:00

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@mdevaev commented on GitHub (Jun 28, 2022):

This is a temporary phenomenon, it won't be needed anymore.

@mdevaev commented on GitHub (Jun 28, 2022): This is a temporary phenomenon, it won't be needed anymore.