robert-hh 7045975d04 renesas-ra/machine_uart: Implement UART.IRQ_RXIDLE based on softtimer. ...

Allowing to define the trigger UART.IRQ_RXIDLE as well as UART.IRQ_RX.  The
delay for the IRQ_RXIDLE interrupt is about 3 character times or 1-2 ms,
whichever is larger.

The irq.flags() value is changed only with an expected event.  Do not
change it otherwise.

Signed-off-by: robert-hh <robert@hammelrath.com>

2024-08-29 16:27:43 +10:00

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