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by Craig_2026
Tue Aug 11, 2026 6:22 am
Forum: ESP-IDF
Topic: ESP32-S3 USB CDC Hangs on Port Close (SET_CONTROL_LINE_STATE)
Replies: 1
Views: 21

ESP32-S3 USB CDC Hangs on Port Close (SET_CONTROL_LINE_STATE)

I'm experiencing an issue with the USB-CDC where the Serial Port hangs (on Windows 11) when closed. This happens frequently enough to be more than inconvenient, but not every time. I would estimate once in every 5 close operations. This is happening during a production test & provisioning, hence is ...

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