Burner V2.2.8
M5Paper V1.7.3.1 and 1.7.4

@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

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.

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)

I can then connect in UIFlow if I hold the button on the Atom while plugging into USB.

However, I still cannot get the M5Burner App to work. I still get the Javascript error when I click the Configruation Button.

I am able to erase flash. However, if I simply run
$esptool erase_flash

I get an error saying:
A fatal error occurred: ESP32 ROM does not support function erase_flash.

My installed version esptool was 2.8 but the version in the M5Burner.zip appears to be 2.5.0. Is there maybe some issue with version 2.8 of esptool? The 2.8 version is what is installed if apt-get instal esptool is used.

I tried using pip3 install esptool
This has installed esptool v3.0 into
~/.local/lib/python3.8/site-packages

From this folder I can run python3 esptool.py erase_flash and it was able to erase the flash from the command line using the V3.0 esptool.

I ran the following to remove esptool v2.8:
sudo apt autoremove esptool

However, I am still getting the Javscript error when I click the Erase flash button inside the M5Burner App.

I have tried downloading the MACOS version from the FlowUI as I saw the Linux Instructions said to do this (at https://github.com/m5stack/m5-docs/blob/master/docs/en/related_documents/how_to_burn_firmware.md). However, I do not see any folder called firmware within the Resources. If I do a search there no flash.sh file.

Here is the additional information you requested:

OS is Linux Mint Version 20.1 / Ulyssa (based on Ubuntu 20.04) - kernel 5.4.0-65

I just tried the following again:
Downloaded new version of M5Burner_Linux.zip
Extracted to ~/Desktop/m5stack/M5Burner_Linux
cd ~/Desktop/m5stack/M5Burner_Linux
run the command ./M5Burner

M5Burner app opens
Select COM: /dev/ttyUSB0
Baudrate: 75000 (M5 Atom connected)
Select ATOM on the left-hand side of the window
Click the Download firmware button for the UIFLOW(MATRIX)
Download Completes successfully

Select Erase Flash
Then I get the JavaScript Error Message

Select the Configuration Button
Then I get the same JavaScript Error Message