log.c File Reference

#include <inttypes.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "common.h"
#include "hardware/sync.h"

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Data Structures
struct	log_entry_t
struct	global_log_state_t

Macros
#define	LOG_QUEUE_DEPTH   128U
#define	LOG_QUEUE_MASK   (LOG_QUEUE_DEPTH - 1U)
#define	LOG_LINE_MAX   160U

Functions
static void	log_wake_core1 (void)
log_level_t	get_loglevel (void)
	Get current global log level.
void	set_loglevel (log_level_t level)
	Set current global log level.
void	log_write (log_level_t level, const char *fmt,...)
	Emit one formatted log message if level is enabled.
void	log_core1_drain (void)
uint32_t	log_take_dropped_count (void)
uint32_t	log_get_high_water_mark (void)
bool	log_take_emitted_flag (void)
	Atomically read and clear "log emitted" flag.

Variables
static global_log_state_t	global_logstate

Macro Definition Documentation

LOG_LINE_MAX

#define LOG_LINE_MAX   160U

Definition at line 13 of file log.c.

LOG_QUEUE_DEPTH

#define LOG_QUEUE_DEPTH   128U

Definition at line 11 of file log.c.

LOG_QUEUE_MASK

#define LOG_QUEUE_MASK   (LOG_QUEUE_DEPTH - 1U)

Definition at line 12 of file log.c.

Function Documentation

get_loglevel()

log_level_t get_loglevel

(

void

)

Get current global log level.

Returns

Active log level.

Definition at line 61 of file log.c.

References global_log_state_t::current_log_level, and global_logstate.

Referenced by cat_loglevel_get(), cat_loglevel_set(), event_dispatch(), and main().

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log_core1_drain()

void log_core1_drain

(

void

)

Definition at line 115 of file log.c.

References global_logstate, global_log_state_t::head, log_entry_t::line, LOG_QUEUE_MASK, global_log_state_t::queue, and global_log_state_t::tail.

Referenced by core1_entry().

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log_get_high_water_mark()

uint32_t log_get_high_water_mark

(

void

)

Definition at line 139 of file log.c.

References global_logstate, and global_log_state_t::high_water_mark.

Referenced by update_statistics().

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log_take_dropped_count()

uint32_t log_take_dropped_count

(

void

)

Definition at line 132 of file log.c.

References global_log_state_t::dropped, and global_logstate.

Referenced by update_statistics().

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log_take_emitted_flag()

bool log_take_emitted_flag

(

void

)

Atomically read and clear "log emitted" flag.

Returns

true if any log was emitted since previous call.

Definition at line 144 of file log.c.

References global_logstate, and global_log_state_t::log_emitted.

Referenced by event_loop().

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log_wake_core1()

static void log_wake_core1 ( void  )

inlinestatic

Definition at line 15 of file log.c.

Referenced by log_write().

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log_write()

void log_write	(	log_level_t	level,
		const char *	fmt,
			...
	)

Emit one formatted log message if level is enabled.

Parameters

level	Message level.
fmt	LOG_PLAIN-style format string.
...	Format arguments.

Definition at line 71 of file log.c.

References global_log_state_t::current_log_level, global_log_state_t::dropped, global_logstate, global_log_state_t::head, global_log_state_t::high_water_mark, log_entry_t::line, global_log_state_t::log_emitted, LOG_LEVEL_PLAIN, LOG_LINE_MAX, LOG_QUEUE_MASK, log_wake_core1(), global_log_state_t::queue, and global_log_state_t::tail.

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set_loglevel()

void set_loglevel

(

log_level_t

level

)

Set current global log level.

Parameters

level

New log level.

Definition at line 66 of file log.c.

References global_log_state_t::current_log_level, and global_logstate.

Referenced by cat_loglevel_set(), and init_app().

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Variable Documentation

global_logstate

global_log_state_t global_logstate

static

Initial value:

= {.current_log_level = LOG_LEVEL_INFO,
                                             .head              = 0U,
                                             .tail              = 0U,
                                             .dropped           = 0U,
                                             .high_water_mark   = 0U,
                                             .log_emitted       = false}

Definition at line 54 of file log.c.

Referenced by get_loglevel(), log_core1_drain(), log_get_high_water_mark(), log_take_dropped_count(), log_take_emitted_flag(), log_write(), and set_loglevel().