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What is the purpose of delay(10) in HardwareSerial::end()?
Is that a spell? Please remove it.
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😄 1
Replies: 3 comments 1 reply
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I found that this was inserted in the PR #5047 beacuse of the issue #5043
At this time I also see no purpose for this delay(10).
I'll get it out.
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This is fixed by #8634
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This revert seems to break HardwareSerial 0 on Seeeduino XIAO ESP32-C3. Downgrading back to 2.0.12 fixes it.
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@trickyau - Seeeduino XIAO ESP32-C3 board seems to use the HWCDC as default Serial Communication.
When I select the "XIAO_ESP32C3" board it has "USB CDC On Boot: Enabled" by default, indicating that Serial is actually the CDC port, not the HardwareSerial UART port.
I need more details about how the C3 was connected to the UART GPIOs and how to reproduce the issue.
Please open an issue with all the information.
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