Scott Mabin 1731169112
Async serial write (#510)
* Initial async_{write|flush} implementations

- ESP32C3 + UART0 example

* Support UART1 & UART2

* Add examples for all chips

* reduce number of wakers depending on uart count
2023-05-05 09:05:15 -07:00
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2023-04-11 11:58:10 +01:00
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