mirror of
https://github.com/espressif/esp-idf.git
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145 lines
5.2 KiB
C
145 lines
5.2 KiB
C
/*
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* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <stdint.h>
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#include "sdkconfig.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Log level
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*/
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typedef enum {
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ESP_LOG_NONE = 0, /*!< No log output */
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ESP_LOG_ERROR = 1, /*!< Critical errors, software module can not recover on its own */
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ESP_LOG_WARN = 2, /*!< Error conditions from which recovery measures have been taken */
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ESP_LOG_INFO = 3, /*!< Information messages which describe normal flow of events */
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ESP_LOG_DEBUG = 4, /*!< Extra information which is not necessary for normal use (values, pointers, sizes, etc). */
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ESP_LOG_VERBOSE = 5, /*!< Bigger chunks of debugging information, or frequent messages which can potentially flood the output. */
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ESP_LOG_MAX = 6, /*!< Number of levels supported */
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} esp_log_level_t;
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/** @cond */
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// LOG_LOCAL_LEVEL controls what log levels are included in the binary.
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#ifndef LOG_LOCAL_LEVEL
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#if BOOTLOADER_BUILD
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#define LOG_LOCAL_LEVEL CONFIG_BOOTLOADER_LOG_LEVEL
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#else // !BOOTLOADER_BUILD
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#define LOG_LOCAL_LEVEL CONFIG_LOG_MAXIMUM_LEVEL
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#endif // !BOOTLOADER_BUILD
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#endif // LOG_LOCAL_LEVEL
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#if BOOTLOADER_BUILD
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#define _ESP_LOG_ENABLED(log_level) (LOG_LOCAL_LEVEL >= (log_level))
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#define _ESP_LOG_EARLY_ENABLED(log_level) _ESP_LOG_ENABLED(log_level)
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#else // !BOOTLOADER_BUILD
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#if CONFIG_LOG_MASTER_LEVEL
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#define _ESP_LOG_ENABLED(log_level) (esp_log_get_level_master() >= (log_level) && LOG_LOCAL_LEVEL >= (log_level))
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#else // !CONFIG_LOG_MASTER_LEVEL
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#define _ESP_LOG_ENABLED(log_level) (LOG_LOCAL_LEVEL >= (log_level))
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#endif // !CONFIG_LOG_MASTER_LEVEL
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/* For early log, there is no log tag filtering. So we want to log only if both the LOG_LOCAL_LEVEL and the
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currently configured min log level are higher than the log level */
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#define _ESP_LOG_EARLY_ENABLED(log_level) (LOG_LOCAL_LEVEL >= (log_level) && esp_log_get_default_level() >= (log_level))
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#endif // !BOOTLOADER_BUILD
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/** @endcond */
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/**
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* @brief Get the default log level.
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*
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* This function returns the default log level.
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* The default log level is used by the definition of ESP_LOGx macros and
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* can be overridden for specific tags using `esp_log_level_set("*", level)`.
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* If CONFIG_LOG_DYNAMIC_LEVEL_CONTROL=n, changing the default log level is not possible.
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*
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* @return The default log level.
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*/
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__attribute__((always_inline))
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static inline esp_log_level_t esp_log_get_default_level(void)
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{
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#if CONFIG_LOG_DYNAMIC_LEVEL_CONTROL
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extern esp_log_level_t esp_log_default_level;
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return esp_log_default_level;
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#else
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return (esp_log_level_t) CONFIG_LOG_DEFAULT_LEVEL;
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#endif
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}
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#if defined(CONFIG_LOG_MASTER_LEVEL) || __DOXYGEN__
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/**
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* @brief Master log level.
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*
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* Optional master log level to check against for ESP_LOGx macros before calling
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* esp_log_write. Allows one to set a higher CONFIG_LOG_MAXIMUM_LEVEL but not
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* impose a performance hit during normal operation (only when instructed). An
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* application may set esp_log_set_level_master(level) to globally enforce a
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* maximum log level. ESP_LOGx macros above this level will be skipped immediately,
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* rather than calling esp_log or esp_log_write and doing a cache hit.
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*
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* @note The tradeoff is increased application size.
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*
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* @param level Master log level
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*/
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void esp_log_set_level_master(esp_log_level_t level);
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/**
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* @brief Returns master log level.
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* @return Master log level
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*/
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esp_log_level_t esp_log_get_level_master(void);
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#endif // CONFIG_LOG_MASTER_LEVEL
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/**
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* @brief Set log level for given tag
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*
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* If logging for given component has already been enabled, changes previous setting.
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*
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* @note Note that this function can not raise log level above the level set using
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* CONFIG_LOG_MAXIMUM_LEVEL setting in menuconfig.
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*
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* To raise log level above the default one for a given file, define
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* LOG_LOCAL_LEVEL to one of the ESP_LOG_* values, before including esp_log.h in this file.
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*
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* If CONFIG_LOG_DYNAMIC_LEVEL_CONTROL is not selected the static (no-op) implementation of log level is used.
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* Changing the log level is not possible, esp_log_level_set does not work.
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*
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* @param tag Tag of the log entries to enable. Must be a non-NULL zero terminated string.
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* Value "*" resets log level for all tags to the given value.
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* If the tag is NULL then a silent return happens.
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* @param level Selects log level to enable.
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* Only logs at this and lower verbosity levels will be shown.
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*/
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void esp_log_level_set(const char* tag, esp_log_level_t level);
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/**
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* @brief Get log level for a given tag, can be used to avoid expensive log statements
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*
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* If CONFIG_LOG_DYNAMIC_LEVEL_CONTROL is not selected the static (no-op) implementation of log level is used.
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* Changing the log level is not possible, esp_log_level_set does not work. This function returns the default log level.
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*
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* @param tag Tag of the log to query current level. Must be a zero terminated string.
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* If tag is NULL then the default log level is returned (see esp_log_get_default_level()).
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* @return The current log level for the given tag.
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*/
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esp_log_level_t esp_log_level_get(const char* tag);
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#ifdef __cplusplus
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}
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#endif
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