fix(serial): avoid USB Serial JTAG cold-boot blocking - #466

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xuchang-vivo wants to merge 2 commits into

vivoblueos:mainfrom

xuchang-vivo:xc/fix-usb-serial-cold-boot

xuchang-vivo commented Sep 2, 2026 •

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Summary

Prevent USB-Serial-JTAG console writes from blocking before the host enumerates the device.
Skip early-console bytes while the USB IN endpoint is busy instead of waiting with interrupts disabled.
Enable the USB serial console option for ESP32-C3 debug and release defconfigs.

Scope

Based directly on main.

Testing

Not run locally; repository instructions prohibit unrequested build commands.
Please rely on CI for compilation checks.


          fix(serial): avoid USB Serial JTAG cold-boot blocking

662a848

xuchang-vivo commented Sep 2, 2026

Contributor Author

build_prs

github-actions Bot commented Sep 2, 2026

Job is started, see https://github.com/vivoblueos/kernel/actions/runs/33623589166.


          docs(serial): preserve cold-boot workaround context

17aec16

github-actions Bot commented Sep 2, 2026

✅ All jobs completed successfully, see https://github.com/vivoblueos/kernel/actions/runs/33623589166.

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