/* * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #pragma once #include #include #include #include "sdkconfig.h" #include "esp_rom_sys.h" #include "esp_log_level.h" #include "esp_log_color.h" #include "esp_log_buffer.h" #include "esp_log_timestamp.h" #ifdef __cplusplus extern "C" { #endif typedef int (*vprintf_like_t)(const char *, va_list); /** * @brief Set function used to output log entries * * By default, log output goes to UART0. This function can be used to redirect log * output to some other destination, such as file or network. Returns the original * log handler, which may be necessary to return output to the previous destination. * * @note Please note that function callback here must be re-entrant as it can be * invoked in parallel from multiple thread context. * * @param func new Function used for output. Must have same signature as vprintf. * * @return func old Function used for output. */ vprintf_like_t esp_log_set_vprintf(vprintf_like_t func); /** * @brief Write message into the log * * This function is not intended to be used directly. Instead, use one of * ESP_LOGE, ESP_LOGW, ESP_LOGI, ESP_LOGD, ESP_LOGV macros. * * This function or these macros should not be used from an interrupt. */ void esp_log_write(esp_log_level_t level, const char* tag, const char* format, ...) __attribute__((format(printf, 3, 4))); /** * @brief Write message into the log, va_list variant * @see esp_log_write() * * This function is provided to ease integration toward other logging framework, * so that esp_log can be used as a log sink. */ void esp_log_writev(esp_log_level_t level, const char* tag, const char* format, va_list args); /** @cond */ #define LOG_FORMAT(letter, format) LOG_COLOR_ ## letter #letter " (%" PRIu32 ") %s: " format LOG_RESET_COLOR "\n" #define LOG_SYSTEM_TIME_FORMAT(letter, format) LOG_COLOR_ ## letter #letter " (%s) %s: " format LOG_RESET_COLOR "\n" /** @endcond */ /// macro to output logs in startup code, before heap allocator and syscalls have been initialized. /// Log at ``ESP_LOG_ERROR`` level. @see ``printf``,``ESP_LOGE``,``ESP_DRAM_LOGE`` /** * In the future, we want to become compatible with clang. * Hence, we provide two versions of the following macros which are using variadic arguments. * The first one is using the GNU extension \#\#__VA_ARGS__. The second one is using the C++20 feature __VA_OPT__(,). * This allows users to compile their code with standard C++20 enabled instead of the GNU extension. * Below C++20, we haven't found any good alternative to using \#\#__VA_ARGS__. */ #if defined(__cplusplus) && (__cplusplus > 201703L) #define ESP_EARLY_LOGE( tag, format, ... ) ESP_LOG_EARLY_IMPL(tag, format, ESP_LOG_ERROR, E __VA_OPT__(,) __VA_ARGS__) /// macro to output logs in startup code at ``ESP_LOG_WARN`` level. @see ``ESP_EARLY_LOGE``,``ESP_LOGE``, ``printf`` #define ESP_EARLY_LOGW( tag, format, ... ) ESP_LOG_EARLY_IMPL(tag, format, ESP_LOG_WARN, W __VA_OPT__(,) __VA_ARGS__) /// macro to output logs in startup code at ``ESP_LOG_INFO`` level. @see ``ESP_EARLY_LOGE``,``ESP_LOGE``, ``printf`` #define ESP_EARLY_LOGI( tag, format, ... ) ESP_LOG_EARLY_IMPL(tag, format, ESP_LOG_INFO, I __VA_OPT__(,) __VA_ARGS__) /// macro to output logs in startup code at ``ESP_LOG_DEBUG`` level. @see ``ESP_EARLY_LOGE``,``ESP_LOGE``, ``printf`` #define ESP_EARLY_LOGD( tag, format, ... ) ESP_LOG_EARLY_IMPL(tag, format, ESP_LOG_DEBUG, D __VA_OPT__(,) __VA_ARGS__) /// macro to output logs in startup code at ``ESP_LOG_VERBOSE`` level. @see ``ESP_EARLY_LOGE``,``ESP_LOGE``, ``printf`` #define ESP_EARLY_LOGV( tag, format, ... ) ESP_LOG_EARLY_IMPL(tag, format, ESP_LOG_VERBOSE, V __VA_OPT__(,) __VA_ARGS__) #else // !(defined(__cplusplus) && (__cplusplus > 201703L)) #define ESP_EARLY_LOGE( tag, format, ... ) ESP_LOG_EARLY_IMPL(tag, format, ESP_LOG_ERROR, E, ##__VA_ARGS__) /// macro to output logs in startup code at ``ESP_LOG_WARN`` level. @see ``ESP_EARLY_LOGE``,``ESP_LOGE``, ``printf`` #define ESP_EARLY_LOGW( tag, format, ... ) ESP_LOG_EARLY_IMPL(tag, format, ESP_LOG_WARN, W, ##__VA_ARGS__) /// macro to output logs in startup code at ``ESP_LOG_INFO`` level. @see ``ESP_EARLY_LOGE``,``ESP_LOGE``, ``printf`` #define ESP_EARLY_LOGI( tag, format, ... ) ESP_LOG_EARLY_IMPL(tag, format, ESP_LOG_INFO, I, ##__VA_ARGS__) /// macro to output logs in startup code at ``ESP_LOG_DEBUG`` level. @see ``ESP_EARLY_LOGE``,``ESP_LOGE``, ``printf`` #define ESP_EARLY_LOGD( tag, format, ... ) ESP_LOG_EARLY_IMPL(tag, format, ESP_LOG_DEBUG, D, ##__VA_ARGS__) /// macro to output logs in startup code at ``ESP_LOG_VERBOSE`` level. @see ``ESP_EARLY_LOGE``,``ESP_LOGE``, ``printf`` #define ESP_EARLY_LOGV( tag, format, ... ) ESP_LOG_EARLY_IMPL(tag, format, ESP_LOG_VERBOSE, V, ##__VA_ARGS__) #endif // !(defined(__cplusplus) && (__cplusplus > 201703L)) #define ESP_LOG_EARLY_IMPL(tag, format, log_level, log_tag_letter, ...) do { \ if (_ESP_LOG_EARLY_ENABLED(log_level)) { \ esp_rom_printf(LOG_FORMAT(log_tag_letter, format), esp_log_timestamp(), tag, ##__VA_ARGS__); \ }} while(0) #ifndef BOOTLOADER_BUILD #if defined(__cplusplus) && (__cplusplus > 201703L) #define ESP_LOGE( tag, format, ... ) ESP_LOG_LEVEL_LOCAL(ESP_LOG_ERROR, tag, format __VA_OPT__(,) __VA_ARGS__) #define ESP_LOGW( tag, format, ... ) ESP_LOG_LEVEL_LOCAL(ESP_LOG_WARN, tag, format __VA_OPT__(,) __VA_ARGS__) #define ESP_LOGI( tag, format, ... ) ESP_LOG_LEVEL_LOCAL(ESP_LOG_INFO, tag, format __VA_OPT__(,) __VA_ARGS__) #define ESP_LOGD( tag, format, ... ) ESP_LOG_LEVEL_LOCAL(ESP_LOG_DEBUG, tag, format __VA_OPT__(,) __VA_ARGS__) #define ESP_LOGV( tag, format, ... ) ESP_LOG_LEVEL_LOCAL(ESP_LOG_VERBOSE, tag, format __VA_OPT__(,) __VA_ARGS__) #else // !(defined(__cplusplus) && (__cplusplus > 201703L)) #define ESP_LOGE( tag, format, ... ) ESP_LOG_LEVEL_LOCAL(ESP_LOG_ERROR, tag, format, ##__VA_ARGS__) #define ESP_LOGW( tag, format, ... ) ESP_LOG_LEVEL_LOCAL(ESP_LOG_WARN, tag, format, ##__VA_ARGS__) #define ESP_LOGI( tag, format, ... ) ESP_LOG_LEVEL_LOCAL(ESP_LOG_INFO, tag, format, ##__VA_ARGS__) #define ESP_LOGD( tag, format, ... ) ESP_LOG_LEVEL_LOCAL(ESP_LOG_DEBUG, tag, format, ##__VA_ARGS__) #define ESP_LOGV( tag, format, ... ) ESP_LOG_LEVEL_LOCAL(ESP_LOG_VERBOSE, tag, format, ##__VA_ARGS__) #endif // !(defined(__cplusplus) && (__cplusplus > 201703L)) #else /** * Macro to output logs at ESP_LOG_ERROR level. * * @note This macro cannot be used when interrupts are disabled or inside an ISR. @see ``ESP_DRAM_LOGE``. * * @param tag tag of the log, which can be used to change the log level by ``esp_log_level_set`` at runtime. * * @see ``printf`` */ #if defined(__cplusplus) && (__cplusplus > 201703L) #define ESP_LOGE( tag, format, ... ) ESP_EARLY_LOGE(tag, format __VA_OPT__(,) __VA_ARGS__) /// macro to output logs at ``ESP_LOG_WARN`` level. @see ``ESP_LOGE`` #define ESP_LOGW( tag, format, ... ) ESP_EARLY_LOGW(tag, format __VA_OPT__(,) __VA_ARGS__) /// macro to output logs at ``ESP_LOG_INFO`` level. @see ``ESP_LOGE`` #define ESP_LOGI( tag, format, ... ) ESP_EARLY_LOGI(tag, format __VA_OPT__(,) __VA_ARGS__) /// macro to output logs at ``ESP_LOG_DEBUG`` level. @see ``ESP_LOGE`` #define ESP_LOGD( tag, format, ... ) ESP_EARLY_LOGD(tag, format __VA_OPT__(,) __VA_ARGS__) /// macro to output logs at ``ESP_LOG_VERBOSE`` level. @see ``ESP_LOGE`` #define ESP_LOGV( tag, format, ... ) ESP_EARLY_LOGV(tag, format __VA_OPT__(,) __VA_ARGS__) #else // !(defined(__cplusplus) && (__cplusplus > 201703L)) #define ESP_LOGE( tag, format, ... ) ESP_EARLY_LOGE(tag, format, ##__VA_ARGS__) /// macro to output logs at ``ESP_LOG_WARN`` level. @see ``ESP_LOGE`` #define ESP_LOGW( tag, format, ... ) ESP_EARLY_LOGW(tag, format, ##__VA_ARGS__) /// macro to output logs at ``ESP_LOG_INFO`` level. @see ``ESP_LOGE`` #define ESP_LOGI( tag, format, ... ) ESP_EARLY_LOGI(tag, format, ##__VA_ARGS__) /// macro to output logs at ``ESP_LOG_DEBUG`` level. @see ``ESP_LOGE`` #define ESP_LOGD( tag, format, ... ) ESP_EARLY_LOGD(tag, format, ##__VA_ARGS__) /// macro to output logs at ``ESP_LOG_VERBOSE`` level. @see ``ESP_LOGE`` #define ESP_LOGV( tag, format, ... ) ESP_EARLY_LOGV(tag, format, ##__VA_ARGS__) #endif // !(defined(__cplusplus) && (__cplusplus > 201703L)) #endif // BOOTLOADER_BUILD /** runtime macro to output logs at a specified level. * * @param tag tag of the log, which can be used to change the log level by ``esp_log_level_set`` at runtime. * @param level level of the output log. * @param format format of the output log. See ``printf`` * @param ... variables to be replaced into the log. See ``printf`` * * @see ``printf`` */ #if defined(__cplusplus) && (__cplusplus > 201703L) #if CONFIG_LOG_TIMESTAMP_SOURCE_RTOS #define ESP_LOG_LEVEL(level, tag, format, ...) do { \ if (level==ESP_LOG_ERROR ) { esp_log_write(ESP_LOG_ERROR, tag, LOG_FORMAT(E, format), esp_log_timestamp(), tag __VA_OPT__(,) __VA_ARGS__); } \ else if (level==ESP_LOG_WARN ) { esp_log_write(ESP_LOG_WARN, tag, LOG_FORMAT(W, format), esp_log_timestamp(), tag __VA_OPT__(,) __VA_ARGS__); } \ else if (level==ESP_LOG_DEBUG ) { esp_log_write(ESP_LOG_DEBUG, tag, LOG_FORMAT(D, format), esp_log_timestamp(), tag __VA_OPT__(,) __VA_ARGS__); } \ else if (level==ESP_LOG_VERBOSE ) { esp_log_write(ESP_LOG_VERBOSE, tag, LOG_FORMAT(V, format), esp_log_timestamp(), tag __VA_OPT__(,) __VA_ARGS__); } \ else { esp_log_write(ESP_LOG_INFO, tag, LOG_FORMAT(I, format), esp_log_timestamp(), tag __VA_OPT__(,) __VA_ARGS__); } \ } while(0) #elif CONFIG_LOG_TIMESTAMP_SOURCE_SYSTEM #define ESP_LOG_LEVEL(level, tag, format, ...) do { \ if (level==ESP_LOG_ERROR ) { esp_log_write(ESP_LOG_ERROR, tag, LOG_SYSTEM_TIME_FORMAT(E, format), esp_log_system_timestamp(), tag __VA_OPT__(,) __VA_ARGS__); } \ else if (level==ESP_LOG_WARN ) { esp_log_write(ESP_LOG_WARN, tag, LOG_SYSTEM_TIME_FORMAT(W, format), esp_log_system_timestamp(), tag __VA_OPT__(,) __VA_ARGS__); } \ else if (level==ESP_LOG_DEBUG ) { esp_log_write(ESP_LOG_DEBUG, tag, LOG_SYSTEM_TIME_FORMAT(D, format), esp_log_system_timestamp(), tag __VA_OPT__(,) __VA_ARGS__); } \ else if (level==ESP_LOG_VERBOSE ) { esp_log_write(ESP_LOG_VERBOSE, tag, LOG_SYSTEM_TIME_FORMAT(V, format), esp_log_system_timestamp(), tag __VA_OPT__(,) __VA_ARGS__); } \ else { esp_log_write(ESP_LOG_INFO, tag, LOG_SYSTEM_TIME_FORMAT(I, format), esp_log_system_timestamp(), tag __VA_OPT__(,) __VA_ARGS__); } \ } while(0) #endif //CONFIG_LOG_TIMESTAMP_SOURCE_xxx #else // !(defined(__cplusplus) && (__cplusplus > 201703L)) #if CONFIG_LOG_TIMESTAMP_SOURCE_RTOS #define ESP_LOG_LEVEL(level, tag, format, ...) do { \ if (level==ESP_LOG_ERROR ) { esp_log_write(ESP_LOG_ERROR, tag, LOG_FORMAT(E, format), esp_log_timestamp(), tag, ##__VA_ARGS__); } \ else if (level==ESP_LOG_WARN ) { esp_log_write(ESP_LOG_WARN, tag, LOG_FORMAT(W, format), esp_log_timestamp(), tag, ##__VA_ARGS__); } \ else if (level==ESP_LOG_DEBUG ) { esp_log_write(ESP_LOG_DEBUG, tag, LOG_FORMAT(D, format), esp_log_timestamp(), tag, ##__VA_ARGS__); } \ else if (level==ESP_LOG_VERBOSE ) { esp_log_write(ESP_LOG_VERBOSE, tag, LOG_FORMAT(V, format), esp_log_timestamp(), tag, ##__VA_ARGS__); } \ else { esp_log_write(ESP_LOG_INFO, tag, LOG_FORMAT(I, format), esp_log_timestamp(), tag, ##__VA_ARGS__); } \ } while(0) #elif CONFIG_LOG_TIMESTAMP_SOURCE_SYSTEM #define ESP_LOG_LEVEL(level, tag, format, ...) do { \ if (level==ESP_LOG_ERROR ) { esp_log_write(ESP_LOG_ERROR, tag, LOG_SYSTEM_TIME_FORMAT(E, format), esp_log_system_timestamp(), tag, ##__VA_ARGS__); } \ else if (level==ESP_LOG_WARN ) { esp_log_write(ESP_LOG_WARN, tag, LOG_SYSTEM_TIME_FORMAT(W, format), esp_log_system_timestamp(), tag, ##__VA_ARGS__); } \ else if (level==ESP_LOG_DEBUG ) { esp_log_write(ESP_LOG_DEBUG, tag, LOG_SYSTEM_TIME_FORMAT(D, format), esp_log_system_timestamp(), tag, ##__VA_ARGS__); } \ else if (level==ESP_LOG_VERBOSE ) { esp_log_write(ESP_LOG_VERBOSE, tag, LOG_SYSTEM_TIME_FORMAT(V, format), esp_log_system_timestamp(), tag, ##__VA_ARGS__); } \ else { esp_log_write(ESP_LOG_INFO, tag, LOG_SYSTEM_TIME_FORMAT(I, format), esp_log_system_timestamp(), tag, ##__VA_ARGS__); } \ } while(0) #endif //CONFIG_LOG_TIMESTAMP_SOURCE_xxx #endif // !(defined(__cplusplus) && (__cplusplus > 201703L)) /** runtime macro to output logs at a specified level. Also check the level with ``LOG_LOCAL_LEVEL``. * If ``CONFIG_LOG_MASTER_LEVEL`` set, also check first against ``esp_log_get_level_master()``. * * @see ``printf``, ``ESP_LOG_LEVEL`` */ #define ESP_LOG_LEVEL_LOCAL(level, tag, format, ...) do { \ if (_ESP_LOG_ENABLED(level)) ESP_LOG_LEVEL(level, tag, format, ##__VA_ARGS__); \ } while(0) /** * @brief Macro to output logs when the cache is disabled. Log at ``ESP_LOG_ERROR`` level. * * @note Unlike normal logging macros, it's possible to use this macro when interrupts are * disabled or inside an ISR. * * Similar to @see ``ESP_EARLY_LOGE``, the log level cannot be changed per-tag, however * esp_log_level_set("*", level) will set the default level which controls these log lines also. * * Usage: `ESP_DRAM_LOGE(DRAM_STR("my_tag"), "format", or `ESP_DRAM_LOGE(TAG, "format", ...)`, * where TAG is a char* that points to a str in the DRAM. * * @note Placing log strings in DRAM reduces available DRAM, so only use when absolutely essential. * * @see ``esp_rom_printf``,``ESP_LOGE`` */ #if defined(__cplusplus) && (__cplusplus > 201703L) #define ESP_DRAM_LOGE( tag, format, ... ) ESP_DRAM_LOG_IMPL(tag, format, ESP_LOG_ERROR, E __VA_OPT__(,) __VA_ARGS__) /// macro to output logs when the cache is disabled at ``ESP_LOG_WARN`` level. @see ``ESP_DRAM_LOGW``,``ESP_LOGW``, ``esp_rom_printf`` #define ESP_DRAM_LOGW( tag, format, ... ) ESP_DRAM_LOG_IMPL(tag, format, ESP_LOG_WARN, W __VA_OPT__(,) __VA_ARGS__) /// macro to output logs when the cache is disabled at ``ESP_LOG_INFO`` level. @see ``ESP_DRAM_LOGI``,``ESP_LOGI``, ``esp_rom_printf`` #define ESP_DRAM_LOGI( tag, format, ... ) ESP_DRAM_LOG_IMPL(tag, format, ESP_LOG_INFO, I __VA_OPT__(,) __VA_ARGS__) /// macro to output logs when the cache is disabled at ``ESP_LOG_DEBUG`` level. @see ``ESP_DRAM_LOGD``,``ESP_LOGD``, ``esp_rom_printf`` #define ESP_DRAM_LOGD( tag, format, ... ) ESP_DRAM_LOG_IMPL(tag, format, ESP_LOG_DEBUG, D __VA_OPT__(,) __VA_ARGS__) /// macro to output logs when the cache is disabled at ``ESP_LOG_VERBOSE`` level. @see ``ESP_DRAM_LOGV``,``ESP_LOGV``, ``esp_rom_printf`` #define ESP_DRAM_LOGV( tag, format, ... ) ESP_DRAM_LOG_IMPL(tag, format, ESP_LOG_VERBOSE, V __VA_OPT__(,) __VA_ARGS__) #else // !(defined(__cplusplus) && (__cplusplus > 201703L)) #define ESP_DRAM_LOGE( tag, format, ... ) ESP_DRAM_LOG_IMPL(tag, format, ESP_LOG_ERROR, E, ##__VA_ARGS__) /// macro to output logs when the cache is disabled at ``ESP_LOG_WARN`` level. @see ``ESP_DRAM_LOGW``,``ESP_LOGW``, ``esp_rom_printf`` #define ESP_DRAM_LOGW( tag, format, ... ) ESP_DRAM_LOG_IMPL(tag, format, ESP_LOG_WARN, W, ##__VA_ARGS__) /// macro to output logs when the cache is disabled at ``ESP_LOG_INFO`` level. @see ``ESP_DRAM_LOGI``,``ESP_LOGI``, ``esp_rom_printf`` #define ESP_DRAM_LOGI( tag, format, ... ) ESP_DRAM_LOG_IMPL(tag, format, ESP_LOG_INFO, I, ##__VA_ARGS__) /// macro to output logs when the cache is disabled at ``ESP_LOG_DEBUG`` level. @see ``ESP_DRAM_LOGD``,``ESP_LOGD``, ``esp_rom_printf`` #define ESP_DRAM_LOGD( tag, format, ... ) ESP_DRAM_LOG_IMPL(tag, format, ESP_LOG_DEBUG, D, ##__VA_ARGS__) /// macro to output logs when the cache is disabled at ``ESP_LOG_VERBOSE`` level. @see ``ESP_DRAM_LOGV``,``ESP_LOGV``, ``esp_rom_printf`` #define ESP_DRAM_LOGV( tag, format, ... ) ESP_DRAM_LOG_IMPL(tag, format, ESP_LOG_VERBOSE, V, ##__VA_ARGS__) #endif // !(defined(__cplusplus) && (__cplusplus > 201703L)) /** @cond */ #define _ESP_LOG_DRAM_LOG_FORMAT(letter, format) DRAM_STR(#letter " %s: " format "\n") #if defined(__cplusplus) && (__cplusplus > 201703L) #define ESP_DRAM_LOG_IMPL(tag, format, log_level, log_tag_letter, ...) do { \ if (_ESP_LOG_EARLY_ENABLED(log_level)) { \ esp_rom_printf(_ESP_LOG_DRAM_LOG_FORMAT(log_tag_letter, format), tag __VA_OPT__(,) __VA_ARGS__); \ }} while(0) #else // !(defined(__cplusplus) && (__cplusplus > 201703L)) #define ESP_DRAM_LOG_IMPL(tag, format, log_level, log_tag_letter, ...) do { \ if (_ESP_LOG_EARLY_ENABLED(log_level)) { \ esp_rom_printf(_ESP_LOG_DRAM_LOG_FORMAT(log_tag_letter, format), tag, ##__VA_ARGS__); \ }} while(0) #endif // !(defined(__cplusplus) && (__cplusplus > 201703L)) /** @endcond */ #ifdef __cplusplus } #endif