subsys/logging/backends/Kconfig.uart

# Copyright (c) 2021 Nordic Semiconductor ASA
# SPDX-License-Identifier: Apache-2.0

config LOG_BACKEND_UART
	bool "UART backend"
	depends on UART_CONSOLE
	default y if !SHELL_BACKEND_SERIAL && !SHELL_BACKEND_RTT
	select LOG_BACKEND_SUPPORTS_FORMAT_TIMESTAMP
	help
	  When enabled backend is using UART to output logs.

if LOG_BACKEND_UART

config LOG_BACKEND_UART_ASYNC
	bool "Use UART Asynchronous API"
	depends on UART_ASYNC_API
	depends on !LOG_BACKEND_UART_OUTPUT_DICTIONARY_HEX

config LOG_BACKEND_UART_BUFFER_SIZE
	int "Maximum number of bytes to buffer in RAM before flushing"
	default 32 if LOG_BACKEND_UART_ASYNC
	default 1
	help
	  In deferred logging mode, sets the maximum number of bytes which can be buffered in
	  RAM before log_output_flush is automatically called on the UART backend.  The buffer
	  will also be flushed after each log message.

	  In immediate logging mode, processed log messages are not buffered and are always
	  output one byte at a time.

config LOG_BACKEND_UART_AUTOSTART
	bool "Automatically start UART backend"
	default y
	help
	  When enabled automatically start the UART logging backend on
	  application start. When disabled, the application needs to start
	  the backend manually using log_backend_enable().

backend = UART
backend-str = uart
source "subsys/logging/Kconfig.template.log_format_config"

if LOG_BACKEND_UART_OUTPUT_DICTIONARY

choice
	prompt "Dictionary mode output format"
	default LOG_BACKEND_UART_OUTPUT_DICTIONARY_BIN

config LOG_BACKEND_UART_OUTPUT_DICTIONARY_BIN
	bool "Dictionary (binary)"
	help
	  Dictionary-based logging output in binary.

config LOG_BACKEND_UART_OUTPUT_DICTIONARY_HEX
	bool "Dictionary (hexadecimal)"
	help
	  Dictionary-based logging output in hexadecimal. Supported only for UART backend.

endchoice

endif # LOG_BACKEND_UART_OUTPUT_DICTIONARY

endif # LOG_BACKEND_UART