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Topic: 3020 timeout after 400ms (Read 7702 times) previous topic - next topic

mozolowski

#15
Apr 07, 2018, 04:47 pm Last Edit: Apr 07, 2018, 05:08 pm by mozolowski
3020 timeout after 400ms

Getting the above error continuously using Dell chrome book and genuine UNO r3. Even on one bought this week.

Found a work around.
Close the monitor window.
re-select the board from the drop down menu.
It displays slightly differently. Shows the first letter of the port assignment.
Upload sketch.

mozolowski

After work around I now find that Monitor does not work.

dan_bell

@sandeepmistry

At least 30-40% of my students per class are still getting this error on their Chromebooks. Today, though, a student thought to login to their create.arduino.cc account on one of our Macbook Pros and, after I installed the plugin, things started working smoothly. I tried this with several other students who were having the same error on their Chromebooks and it worked for all of them.

So it does seem to be a Chromebook-specific issue. Again, we are using Dell Chromebook 11 generation 2 Chromebooks.

1st_Year


sandeepmistry

Hi everyone,

We still have not been able to reproduce this condition with our Chrome OS devices.

Could you please:

1) Open chrome://extensions
2) Click "Inspect views: background page", then click the "Console" tab
3) In a separate tab, open Arduino Create
4) Load sketches until you see the error


After step 4) please share a screenshot of the window opened in step 2.


Also, please let us know if there are any other Chrome apps that are installed on the devices, and if they also might use any serial ports.

jedavis1@penderschools.org

We have started to get this error on many of our boards when using Chromebooks. Has anyone else seen this start happening again?

sandeepmistry

Was the version of Chrome OS recently updated?

Could you please provide the info from
Hi everyone,

We still have not been able to reproduce this condition with our Chrome OS devices.

Could you please:

1) Open chrome://extensions
2) Click "Inspect views: background page", then click the "Console" tab
3) In a separate tab, open Arduino Create
4) Load sketches until you see the error


After step 4) please share a screenshot of the window opened in step 2.


Also, please let us know if there are any other Chrome apps that are installed on the devices, and if they also might use any serial ports.

jedavis1@penderschools.org

Can you give more details about step 2:
Quote
Click "Inspect views: background page", then click the "Console" tab
please?

I don't see that as being an option. Maybe a screenshot of where to find that?

sandeepmistry

#23
Sep 28, 2018, 03:56 pm Last Edit: Sep 28, 2018, 08:24 pm by sandeepmistry
Sure, see attachment. (Edit attachment updated).


I just updated my Chromebook to Chrome OS 69, and uploaded to an Uno without any issues.

What board are you using?

jedavis1@penderschools.org

That screenshot seems to be the wrong one. ? 

The boards are Uno Compatible/Sparkfun boards: https://www.sparkfun.com/products/13975

We've updated to Chrome 69 and still see the problem.

sandeepmistry

I've updated the screenshot in my previous post, sorry about that.

The Chrome app has only been tested with official Arduino boards, clone/compatible boards are not officially supported.

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