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doc(log): document the log macros.

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michael 2017-08-24 16:53:16 +08:00
parent a4fe12cb6d
commit 28c4ba1288
1 changed files with 16 additions and 0 deletions
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16
components/log/include/esp_log.h
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@ -154,10 +154,15 @@ void esp_log_buffer_char(const char *tag, const void *buffer, uint16_t buff_len)
#endif
#endif
/// 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``
#define ESP_EARLY_LOGE( tag, format, ... ) if (LOG_LOCAL_LEVEL >= ESP_LOG_ERROR) { ets_printf(LOG_FORMAT(E, format), esp_log_timestamp(), tag, ##__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, ... ) if (LOG_LOCAL_LEVEL >= ESP_LOG_WARN) { ets_printf(LOG_FORMAT(W, format), esp_log_timestamp(), tag, ##__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, ... ) if (LOG_LOCAL_LEVEL >= ESP_LOG_INFO) { ets_printf(LOG_FORMAT(I, format), esp_log_timestamp(), tag, ##__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, ... ) if (LOG_LOCAL_LEVEL >= ESP_LOG_DEBUG) { ets_printf(LOG_FORMAT(D, format), esp_log_timestamp(), tag, ##__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, ... ) if (LOG_LOCAL_LEVEL >= ESP_LOG_VERBOSE) { ets_printf(LOG_FORMAT(V, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
#ifndef BOOTLOADER_BUILD
@ -167,10 +172,21 @@ void esp_log_buffer_char(const char *tag, const void *buffer, uint16_t buff_len)
#define ESP_LOGD( tag, format, ... ) if (LOG_LOCAL_LEVEL >= ESP_LOG_DEBUG) { esp_log_write(ESP_LOG_DEBUG, tag, LOG_FORMAT(D, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
#define ESP_LOGV( tag, format, ... ) if (LOG_LOCAL_LEVEL >= ESP_LOG_VERBOSE) { esp_log_write(ESP_LOG_VERBOSE, tag, LOG_FORMAT(V, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
#else
/**
* macro to output logs at ESP_LOG_ERROR level.
*
* @param tag tag of the log, which can be used to change the log level by ``esp_log_level_set`` at runtime.
*
* @see ``printf``
*/
#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 // BOOTLOADER_BUILD