You can connect with Thonny and pull the .py files, modify and push back to the device.

I would give this all the thumbs-up. Right now, I am jumping between editing with Thonny (annoying to walk all over the house plugging into devices) and just pasting my code into a single enormous execute block in UIFlow to push. The UIFlow editor is great for generating snippits related to the M5 hardware, but impossible for doing any substantial amount of coding.

@ajb2k3 said in JavaScript error in M5Burner:

@vlad29 said in JavaScript error in M5Burner:

I got the same error, it was due to python command doesn't was valid.

I had to install "python-is-python3" package (sudo apt-get install python-is-python3) because the app tries using python and not python3.

I hope it works.
(making ln to python from python3 should work)

Thank you @vlad29 this is another of those python/python3 issues caused by badly setup python3 installs.

You need to look up how to set the enviromental variables in you operating system to stop the os running python 2 commands instead of python3 commands.

In the Chromebook Crostini shell (Ubuntu-based VM), I was getting the exact error in this thread. There is no python-is-python3 package available, but the symlink solved it perfectly:
ln -s /usr/bin/python3 /usr/bin/python

@bricoms said in Separate firmware from M5burner:

Thanks Lukas!
Yes what i did is i used my wife Windows machine to install M5Burner and i downloded all the firmwares for all devices then went to the directory and copied them to an sd card to have on my Chromebook.

I did something very similar. The M5Burner program had no problem downloading the firmware when running from the Crostini shell on the Chromebook, but threw a weird error while trying to flash the firmware on every device I own. After fiddling around with it way too long, I finally gave up and just flashed the firmware using the esptool. They get downloaded into a pretty handy directory structure from whereever you run the M5Flasher from. Here are a few from my projects:
./M5Burner/packages/fw/core/SonicTheHedgehog-v1.0.bin
./M5Burner/packages/fw/core/UIFlow_Fire-v1.7.2-fire.bin
./M5Burner/packages/fw/stickc/UIFlow_StickC_Plus-v1.7.2-plus.bin
./M5Burner/packages/fw/atom/UIFlow_Lite-v1.7.2.bin
./M5Burner/packages/fw/atom/UIFlow_Lite-v1.7.2.bin