Zephyr API Documentation
4.0.99
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log.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2018 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_LOGGING_LOG_H_
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#define ZEPHYR_INCLUDE_LOGGING_LOG_H_
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#include <
zephyr/logging/log_instance.h
>
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#include <
zephyr/logging/log_core.h
>
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#include <
zephyr/sys/iterable_sections.h
>
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#define LOG_ERR(...) Z_LOG(LOG_LEVEL_ERR, __VA_ARGS__)
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#define LOG_WRN(...) Z_LOG(LOG_LEVEL_WRN, __VA_ARGS__)
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#define LOG_INF(...) Z_LOG(LOG_LEVEL_INF, __VA_ARGS__)
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#define LOG_DBG(...) Z_LOG(LOG_LEVEL_DBG, __VA_ARGS__)
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#define LOG_WRN_ONCE(...) \
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do { \
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static uint8_t __warned; \
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if (unlikely(__warned == 0)) { \
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Z_LOG(LOG_LEVEL_WRN, __VA_ARGS__); \
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__warned = 1; \
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} \
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} while (0)
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#define LOG_PRINTK(...) Z_LOG_PRINTK(0, __VA_ARGS__)
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#define LOG_RAW(...) Z_LOG_PRINTK(1, __VA_ARGS__)
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#define LOG_INST_ERR(_log_inst, ...) \
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Z_LOG_INSTANCE(LOG_LEVEL_ERR, _log_inst, __VA_ARGS__)
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#define LOG_INST_WRN(_log_inst, ...) \
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Z_LOG_INSTANCE(LOG_LEVEL_WRN, _log_inst, __VA_ARGS__)
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#define LOG_INST_INF(_log_inst, ...) \
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Z_LOG_INSTANCE(LOG_LEVEL_INF, _log_inst, __VA_ARGS__)
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#define LOG_INST_DBG(_log_inst, ...) \
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Z_LOG_INSTANCE(LOG_LEVEL_DBG, _log_inst, __VA_ARGS__)
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#define LOG_HEXDUMP_ERR(_data, _length, _str) \
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Z_LOG_HEXDUMP(LOG_LEVEL_ERR, _data, _length, (_str))
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#define LOG_HEXDUMP_WRN(_data, _length, _str) \
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Z_LOG_HEXDUMP(LOG_LEVEL_WRN, _data, _length, (_str))
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#define LOG_HEXDUMP_INF(_data, _length, _str) \
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Z_LOG_HEXDUMP(LOG_LEVEL_INF, _data, _length, (_str))
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#define LOG_HEXDUMP_DBG(_data, _length, _str) \
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Z_LOG_HEXDUMP(LOG_LEVEL_DBG, _data, _length, (_str))
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#define LOG_INST_HEXDUMP_ERR(_log_inst, _data, _length, _str) \
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Z_LOG_HEXDUMP_INSTANCE(LOG_LEVEL_ERR, _log_inst, _data, _length, _str)
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#define LOG_INST_HEXDUMP_WRN(_log_inst, _data, _length, _str) \
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Z_LOG_HEXDUMP_INSTANCE(LOG_LEVEL_WRN, _log_inst, _data, _length, _str)
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#define LOG_INST_HEXDUMP_INF(_log_inst, _data, _length, _str) \
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Z_LOG_HEXDUMP_INSTANCE(LOG_LEVEL_INF, _log_inst, _data, _length, _str)
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#define LOG_INST_HEXDUMP_DBG(_log_inst, _data, _length, _str) \
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Z_LOG_HEXDUMP_INSTANCE(LOG_LEVEL_DBG, _log_inst, _data, _length, _str)
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void
z_log_vprintk(
const
char
*fmt, va_list ap);
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#ifdef __cplusplus
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}
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#define LOG_IN_CPLUSPLUS 1
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#endif
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/* Macro expects that optionally on second argument local log level is provided.
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* If provided it is returned, otherwise default log level is returned or
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* LOG_LEVEL, if it was locally defined.
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*/
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#if !defined(CONFIG_LOG)
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#define _LOG_LEVEL_RESOLVE(...) LOG_LEVEL_NONE
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#else
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#define _LOG_LEVEL_RESOLVE(...) \
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Z_LOG_EVAL(COND_CODE_0(LOG_LEVEL, (1), (LOG_LEVEL)), \
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(GET_ARG_N(2, __VA_ARGS__, LOG_LEVEL)), \
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(GET_ARG_N(2, __VA_ARGS__, CONFIG_LOG_DEFAULT_LEVEL)))
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#endif
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/* Return first argument */
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#define _LOG_ARG1(arg1, ...) arg1
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#define _LOG_MODULE_CONST_DATA_CREATE(_name, _level) \
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IF_ENABLED(CONFIG_LOG_FMT_SECTION, ( \
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static const char UTIL_CAT(_name, _str)[] \
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__in_section(_log_strings, static, _CONCAT(_name, _)) __used __noasan = \
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STRINGIFY(_name);)) \
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IF_ENABLED(LOG_IN_CPLUSPLUS, (extern)) \
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const STRUCT_SECTION_ITERABLE_ALTERNATE(log_const, \
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log_source_const_data, \
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Z_LOG_ITEM_CONST_DATA(_name)) = \
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{ \
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.name = COND_CODE_1(CONFIG_LOG_FMT_SECTION, \
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(UTIL_CAT(_name, _str)), (STRINGIFY(_name))), \
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.level = (_level) \
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}
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#define _LOG_MODULE_DYNAMIC_DATA_CREATE(_name) \
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STRUCT_SECTION_ITERABLE_ALTERNATE(log_dynamic, log_source_dynamic_data, \
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LOG_ITEM_DYNAMIC_DATA(_name))
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#define _LOG_MODULE_DYNAMIC_DATA_COND_CREATE(_name) \
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IF_ENABLED(CONFIG_LOG_RUNTIME_FILTERING, \
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(_LOG_MODULE_DYNAMIC_DATA_CREATE(_name);))
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#define _LOG_MODULE_DATA_CREATE(_name, _level) \
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_LOG_MODULE_CONST_DATA_CREATE(_name, _level); \
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_LOG_MODULE_DYNAMIC_DATA_COND_CREATE(_name)
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/* Determine if data for the module shall be created. It is created if logging
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* is enabled, override level is set or module specific level is set (not off).
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*/
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#define Z_DO_LOG_MODULE_REGISTER(...) \
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COND_CODE_1(CONFIG_LOG, \
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(Z_LOG_EVAL(CONFIG_LOG_OVERRIDE_LEVEL, \
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(1), \
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(Z_LOG_EVAL(_LOG_LEVEL_RESOLVE(__VA_ARGS__), (1), (0))) \
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)), (0))
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#define LOG_MODULE_REGISTER(...) \
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COND_CODE_1( \
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Z_DO_LOG_MODULE_REGISTER(__VA_ARGS__), \
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(_LOG_MODULE_DATA_CREATE(GET_ARG_N(1, __VA_ARGS__), \
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_LOG_LEVEL_RESOLVE(__VA_ARGS__))),\
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() \
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) \
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LOG_MODULE_DECLARE(__VA_ARGS__)
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#define LOG_MODULE_DECLARE(...) \
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extern const struct log_source_const_data \
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Z_LOG_ITEM_CONST_DATA(GET_ARG_N(1, __VA_ARGS__)); \
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extern struct log_source_dynamic_data \
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LOG_ITEM_DYNAMIC_DATA(GET_ARG_N(1, __VA_ARGS__)); \
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\
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static const struct log_source_const_data * \
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__log_current_const_data __unused = \
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Z_DO_LOG_MODULE_REGISTER(__VA_ARGS__) ? \
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&Z_LOG_ITEM_CONST_DATA(GET_ARG_N(1, __VA_ARGS__)) : \
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NULL; \
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\
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static struct log_source_dynamic_data * \
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__log_current_dynamic_data __unused = \
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(Z_DO_LOG_MODULE_REGISTER(__VA_ARGS__) && \
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IS_ENABLED(CONFIG_LOG_RUNTIME_FILTERING)) ? \
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&LOG_ITEM_DYNAMIC_DATA(GET_ARG_N(1, __VA_ARGS__)) : \
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NULL; \
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\
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static const uint32_t __log_level __unused = \
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_LOG_LEVEL_RESOLVE(__VA_ARGS__)
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#define LOG_LEVEL_SET(level) static const uint32_t __log_level __unused = \
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Z_LOG_RESOLVED_LEVEL(level, 0)
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#ifdef CONFIG_LOG_CUSTOM_HEADER
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/* This include must always be at the end of log.h */
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#include <zephyr_custom_log.h>
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#endif
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/*
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* Eclipse CDT or JetBrains Clion parser is sometimes confused by logging API
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* code and freezes the whole IDE. Following lines hides LOG_x macros from them.
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*/
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#if defined(__CDT_PARSER__) || defined(__JETBRAINS_IDE__)
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#undef LOG_ERR
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#undef LOG_WRN
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#undef LOG_INF
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#undef LOG_DBG
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#undef LOG_HEXDUMP_ERR
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#undef LOG_HEXDUMP_WRN
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#undef LOG_HEXDUMP_INF
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#undef LOG_HEXDUMP_DBG
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#define LOG_ERR(...) (void) 0
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#define LOG_WRN(...) (void) 0
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#define LOG_DBG(...) (void) 0
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#define LOG_INF(...) (void) 0
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#define LOG_HEXDUMP_ERR(...) (void) 0
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#define LOG_HEXDUMP_WRN(...) (void) 0
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#define LOG_HEXDUMP_DBG(...) (void) 0
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#define LOG_HEXDUMP_INF(...) (void) 0
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#endif
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#endif
/* ZEPHYR_INCLUDE_LOGGING_LOG_H_ */
log_core.h
log_instance.h
iterable_sections.h
zephyr
logging
log.h
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1.12.0