zephyr/drivers/serial/Kconfig.rtt

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# Virtual UART RTT driver option
# Copyright (c) 2019 omSquare s.r.o.
# SPDX-License-Identifier: Apache-2.0
menuconfig UART_RTT
bool "Enable UART RTT driver"
depends on USE_SEGGER_RTT
select SEGGER_RTT_CUSTOM_LOCKING
help
This option enables access RTT channel as UART device.
if UART_RTT
# Workaround for not being able to have commas in macro arguments
DT_COMPAT_SEGGER_RTT_UART := segger,rtt-uart
config UART_RTT_0
def_bool $(dt_nodelabel_has_compat,rtt0,$(DT_COMPAT_SEGGER_RTT_UART))
depends on SEGGER_RTT_MAX_NUM_UP_BUFFERS >= 1 && SEGGER_RTT_MAX_NUM_DOWN_BUFFERS >= 1
depends on SEGGER_RTT_MODE_NO_BLOCK_SKIP
select SERIAL_HAS_DRIVER
select UART_RTT_DRIVER
help
Enable UART on (default) RTT channel 0. Default channel has to be configured in non-blocking skip mode.
config UART_RTT_1
def_bool $(dt_nodelabel_has_compat,rtt1,$(DT_COMPAT_SEGGER_RTT_UART))
depends on SEGGER_RTT_MAX_NUM_UP_BUFFERS >= 2 && SEGGER_RTT_MAX_NUM_DOWN_BUFFERS >= 2
select SERIAL_HAS_DRIVER
select UART_RTT_DRIVER
help
Enable UART on RTT channel 1
config UART_RTT_2
def_bool $(dt_nodelabel_has_compat,rtt2,$(DT_COMPAT_SEGGER_RTT_UART))
depends on SEGGER_RTT_MAX_NUM_UP_BUFFERS >= 3 && SEGGER_RTT_MAX_NUM_DOWN_BUFFERS >= 3
select SERIAL_HAS_DRIVER
select UART_RTT_DRIVER
help
Enable UART on RTT channel 2
config UART_RTT_3
def_bool $(dt_nodelabel_has_compat,rtt3,$(DT_COMPAT_SEGGER_RTT_UART))
depends on SEGGER_RTT_MAX_NUM_UP_BUFFERS >= 4 && SEGGER_RTT_MAX_NUM_DOWN_BUFFERS >= 4
select SERIAL_HAS_DRIVER
select UART_RTT_DRIVER
help
Enable UART on RTT channel 3
config UART_RTT_DRIVER
bool
endif