[Bug 1970789] Re: Microsoft Code PlatformIO extension conflicts with brltty Ubuntu 22.04 LTS (USB ID 1a86:7523)
Steve Langasek
1970789 at bugs.launchpad.net
Wed May 18 22:07:26 UTC 2022
*** This bug is a duplicate of bug 1958224 ***
https://bugs.launchpad.net/bugs/1958224
** This bug has been marked a duplicate of bug 1958224
brltty claiming cp210x devices on 22.04
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https://bugs.launchpad.net/bugs/1970789
Title:
Microsoft Code PlatformIO extension conflicts with brltty Ubuntu 22.04
LTS (USB ID 1a86:7523)
Status in brltty package in Ubuntu:
New
Bug description:
When using the PlatformIO extension within Microsoft Visual Studio
Code to upload firmware to a ESP32 based microcontroller attached via
USB, the upload fails with the following repeated error messages in
syslog:
"brltty: Ignored Byte: xx" Where xx is a different hexadecimal value.
The problem manifests itself with a timeout and a "Looking for upload port...
Error: Please specify `upload_port` for environment or use global `--upload-port` option." message in PlatformIO.
This error was not present in Ubuntu prior to upgrading to 22.04.
Steps taken to resolve:
1. Changed USB cable between powered hub and microcontroller
2. Attempted upload with USB hub powered off
3. Attempted upload from other USB ports
4. Defined USB port microcontroller is connected to in platformio.ini by adding the parameter "upload_port = /dev/ttyUSB0"
Current workaround:
Uninstall the brltty package:
"sudo apt remove brltty"
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