drivers: serial: Add async to interrupt driven adaptation

Add adaptation layer which allows to provide interrupt driven
API for drivers which exposes only asynchronous API.

Signed-off-by: Krzysztof Chruściński <[email protected]>

Author: nordic-krch

drivers/serial/CMakeLists.txt

@@ -93,3 +93,4 @@ endif()
 
 zephyr_library_sources_ifdef(CONFIG_SERIAL_TEST		serial_test.c)
 zephyr_library_sources_ifdef(CONFIG_UART_ASYNC_RX_HELPER uart_async_rx.c)
+zephyr_library_sources_ifdef(CONFIG_UART_ASYNC_TO_INT_DRIVEN_API uart_async_to_irq.c)

drivers/serial/Kconfig

@@ -133,6 +133,21 @@ config UART_ASYNC_RX_HELPER
 	  is delayed. Module implements zero-copy approach with multiple reception
 	  buffers.
 
+config UART_ASYNC_TO_INT_DRIVEN_API
+	bool
+	select UART_ASYNC_RX_HELPER
+	help
+	  Asynchronous to Interrupt driven adaptation layer. When enabled device
+	  which implements only asynchronous API can be used with interrupt driven
+	  API implemented by the generic adaptation layer.
+
+config UART_ASYNC_TO_INT_DRIVEN_RX_TIMEOUT
+	int "Receiver timeout (in bauds)"
+	depends on UART_ASYNC_TO_INT_DRIVEN_API
+	default 100
+	help
+	  Receiver inactivity timeout. It is used to calculate timeout in microseconds.
+
 comment "Serial Drivers"
 
 source "drivers/serial/Kconfig.b91"