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shell: backends: add init log level for dummy shell 

Dummy shell was always started with log backend enabled with filter
 statically set to INFO level.
AFAIK no use of such log backend can be made, thus causing waste of
 resources.
The new changes keep INFO as the default filter level. In order to
 disable log backend to be attached to the Dummy shell,
 CONFIG_SHELL_DUMMY_INIT_LOG_LEVEL_NONE has to be set.

Signed-off-by: Marco Argiolas <marco.argiolas@ftpsolutions.com.au>
This commit is contained in:
Marco Argiolas 2023-02-09 16:02:16 +08:00 committed by Carles Cufí
parent cd26df75b5
commit 9ecef4b415
2 changed files with 39 additions and 1 deletions
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33
subsys/shell/backends/Kconfig.backends
View File

@ -405,6 +405,39 @@ config SHELL_BACKEND_DUMMY_BUF_SIZE
This is size of output buffer that will be used by dummy backend, this limits number of
characters that will be captured from command output.
choice
prompt "Initial log level limit"
default SHELL_DUMMY_INIT_LOG_LEVEL_DEFAULT
config SHELL_DUMMY_INIT_LOG_LEVEL_DEFAULT
bool "System limit (LOG_MAX_LEVEL)"
config SHELL_DUMMY_INIT_LOG_LEVEL_DBG
bool "Debug"
config SHELL_DUMMY_INIT_LOG_LEVEL_INF
bool "Info"
config SHELL_DUMMY_INIT_LOG_LEVEL_WRN
bool "Warning"
config SHELL_DUMMY_INIT_LOG_LEVEL_ERR
bool "Error"
config SHELL_DUMMY_INIT_LOG_LEVEL_NONE
bool "None"
endchoice
config SHELL_DUMMY_INIT_LOG_LEVEL
int
default 0 if SHELL_DUMMY_INIT_LOG_LEVEL_NONE
default 1 if SHELL_DUMMY_INIT_LOG_LEVEL_ERR
default 2 if SHELL_DUMMY_INIT_LOG_LEVEL_WRN
default 3 if SHELL_DUMMY_INIT_LOG_LEVEL_INF
default 4 if SHELL_DUMMY_INIT_LOG_LEVEL_DBG
default 5 if SHELL_DUMMY_INIT_LOG_LEVEL_DEFAULT
endif # SHELL_BACKEND_DUMMY
endif # SHELL_BACKENDS

7
subsys/shell/backends/shell_dummy.c
View File

@ -101,9 +101,14 @@ const struct shell_transport_api shell_dummy_transport_api = {
static int enable_shell_dummy(const struct device *arg)
{
ARG_UNUSED(arg);
bool log_backend = CONFIG_SHELL_DUMMY_INIT_LOG_LEVEL > 0;
uint32_t level = (CONFIG_SHELL_DUMMY_INIT_LOG_LEVEL > LOG_LEVEL_DBG) ?
CONFIG_LOG_MAX_LEVEL : CONFIG_SHELL_DUMMY_INIT_LOG_LEVEL;
static const struct shell_backend_config_flags cfg_flags =
SHELL_DEFAULT_BACKEND_CONFIG_FLAGS;
shell_init(&shell_dummy, NULL, cfg_flags, true, LOG_LEVEL_INF);
shell_init(&shell_dummy, NULL, cfg_flags, log_backend, level);
return 0;
}
SYS_INIT(enable_shell_dummy, POST_KERNEL, 0);