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drivers: net: ot: Select UART_INTERRUPT_DRIVEN with UART RCP communication

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The Openthread communication with RCP via UART (with HDLC protocol) is
performed with serial driver using interrupts. As it was tested with
echo_client sample program, the
CONFIG_SHELL_BACKEND_SERIAL_API_INTERRUPT_DRIVEN is defined by default for
it. This config selects aforementioned UART_INTERRUPT_DRIVEN.

Problem starts when somebody wants to integrated the driver as a standalone
one (without echo_client) as a part of user application.
In this situation the UART_INTERRUPT_DRIVEN is not defined by default and
there is no serial communication between RCP and HOST devices.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
This commit is contained in:
Lukasz Majewski
2025-02-03 22:00:31 +01:00
committed by Benjamin Cabé
parent 30bca5328d
commit 85dc17a543
1 changed files with 1 additions and 0 deletions
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drivers/hdlc_rcp_if/Kconfig.uart
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@@ -12,6 +12,7 @@ config HDLC_RCP_IF_UART
bool "UART HDLC interface for Zephyr Openthread RCP host"
default y
depends on DT_HAS_UART_HDLC_RCP_IF_ENABLED
depends on UART_INTERRUPT_DRIVEN
config OPENTHREAD_HDLC_RCP_IF_UART_RX_RING_BUFFER_SIZE
int "Set HDLC RCP IF UART RX ring buffer size"