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Diffstat (limited to 'nuttx/drivers/syslog/Kconfig')
-rw-r--r-- | nuttx/drivers/syslog/Kconfig | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/nuttx/drivers/syslog/Kconfig b/nuttx/drivers/syslog/Kconfig new file mode 100644 index 000000000..3ec8c7490 --- /dev/null +++ b/nuttx/drivers/syslog/Kconfig @@ -0,0 +1,73 @@ +# +# For a description of the syntax of this configuration file, +# see misc/tools/kconfig-language.txt. +# + +comment "System Logging" + +config RAMLOG + bool "RAM log device support" + default n + ---help--- + This is a driver that was intended to support debugging output, + aka syslogging, when the normal serial output is not available. + For example, if you are using a telnet or USB serial console, + the debug output will get lost. However, the RAMLOG device should + be usable even if system logging is disabled. + + This driver is similar to a pipe in that it saves the debugging + output in a FIFO in RAM. It differs from a pipe in numerous + details as needed to support logging. + +if RAMLOG +config RAMLOG_SYSLOG + bool "Use RAMLOG for SYSLOG" + default n + depends on SYSLOG + ---help--- + Use the RAM logging device for the syslogging interface. If this feature + is enabled (along with SYSLOG), then all debug output (only) will be re-directed + to the circular buffer in RAM. This RAM log can be view from NSH using the + 'dmesg'command. + + Do not enable more than one SYSLOG device. + +config RAMLOG_CONSOLE + bool "Use RAMLOG for /dev/console" + default n + depends on DEV_CONSOLE + ---help--- + Use the RAM logging device as a system console. If this feature is enabled (along + with DEV_CONSOLE), then all console output will be re-directed to a circular + buffer in RAM. This is useful, for example, if the only console is a Telnet + console. Then in that case, console output from non-Telnet threads will go to + the circular buffer and can be viewed using the NSH 'dmesg' command. + +config RAMLOG_CONSOLE_BUFSIZE + int "RAMLOG buffer size" + default 1024 + depends on RAMLOG_SYSLOG || RAMLOG_CONSOLE + ---help--- + Size of the console RAM log. Default: 1024 + +config RAMLOG_CRLF + bool "RAMLOG CR/LF" + default n + ---help--- + Pre-pend a carriage return before every linefeed that goes into the RAM log. + +config RAMLOG_NONBLOCKING + bool "RAMLOG non-block reads" + default y + ---help--- + Reading from the RAMLOG will never block if the RAMLOG is empty. If the RAMLOG + is empty, then zero is returned (usually interpreted as end-of-file). + +config RAMLOG_NPOLLWAITERS + int "RAMLOG number of poll waiters" + default 4 + depends on !DISABLE_POLL + ---help--- + The maximum number of threads that may be waiting on the poll method. + +endif |