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https://github.com/0xFEEDC0DE64/arduino-esp32.git
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160 lines
6.6 KiB
C
160 lines
6.6 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef __ESP_LOG_H__
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#define __ESP_LOG_H__
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#include <stdint.h>
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#include <stdarg.h>
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#include "sdkconfig.h"
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#include <rom/ets_sys.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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*/
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typedef enum {
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ESP_LOG_NONE, /*!< No log output */
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ESP_LOG_ERROR, /*!< Critical errors, software module can not recover on its own */
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ESP_LOG_WARN, /*!< Error conditions from which recovery measures have been taken */
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ESP_LOG_INFO, /*!< Information messages which describe normal flow of events */
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ESP_LOG_DEBUG, /*!< Extra information which is not necessary for normal use (values, pointers, sizes, etc). */
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ESP_LOG_VERBOSE /*!< Bigger chunks of debugging information, or frequent messages which can potentially flood the output. */
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} esp_log_level_t;
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typedef int (*vprintf_like_t)(const char *, va_list);
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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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* @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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*
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* @param level Selects log level to enable. Only logs at this and lower 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 Set function used to output log entries
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*
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* By default, log output goes to UART0. This function can be used to redirect log
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* output to some other destination, such as file or network.
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*
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* @param func Function used for output. Must have same signature as vprintf.
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*/
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void esp_log_set_vprintf(vprintf_like_t func);
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/**
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* @brief Function which returns timestamp to be used in log output
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*
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* This function is used in expansion of ESP_LOGx macros.
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* In the 2nd stage bootloader, and at early application startup stage
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* this function uses CPU cycle counter as time source. Later when
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* FreeRTOS scheduler start running, it switches to FreeRTOS tick count.
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*
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* For now, we ignore millisecond counter overflow.
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*
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* @return timestamp, in milliseconds
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*/
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uint32_t esp_log_timestamp(void);
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/**
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* @brief Function which returns timestamp to be used in log output
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*
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* This function uses HW cycle counter and does not depend on OS,
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* so it can be safely used after application crash.
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*
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* @return timestamp, in milliseconds
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*/
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uint32_t esp_log_early_timestamp(void);
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/**
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* @brief Write message into the log
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*
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* This function is not intended to be used directly. Instead, use one of
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* ESP_LOGE, ESP_LOGW, ESP_LOGI, ESP_LOGD, ESP_LOGV macros.
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*
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* This function or these macros should not be used from an interrupt.
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*/
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void esp_log_write(esp_log_level_t level, const char* tag, const char* format, ...) __attribute__ ((format (printf, 3, 4)));
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#if CONFIG_LOG_COLORS
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#define LOG_COLOR_BLACK "30"
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#define LOG_COLOR_RED "31"
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#define LOG_COLOR_GREEN "32"
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#define LOG_COLOR_BROWN "33"
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#define LOG_COLOR_BLUE "34"
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#define LOG_COLOR_PURPLE "35"
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#define LOG_COLOR_CYAN "36"
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#define LOG_COLOR(COLOR) "\033[0;" COLOR "m"
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#define LOG_BOLD(COLOR) "\033[1;" COLOR "m"
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#define LOG_RESET_COLOR "\033[0m"
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#define LOG_COLOR_E LOG_COLOR(LOG_COLOR_RED)
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#define LOG_COLOR_W LOG_COLOR(LOG_COLOR_BROWN)
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#define LOG_COLOR_I LOG_COLOR(LOG_COLOR_GREEN)
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#define LOG_COLOR_D
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#define LOG_COLOR_V
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#else //CONFIG_LOG_COLORS
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#define LOG_COLOR_E
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#define LOG_COLOR_W
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#define LOG_COLOR_I
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#define LOG_COLOR_D
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#define LOG_COLOR_V
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#define LOG_RESET_COLOR
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#endif //CONFIG_LOG_COLORS
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#define LOG_FORMAT(letter, format) LOG_COLOR_ ## letter #letter " (%d) %s: " format LOG_RESET_COLOR "\n"
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#ifndef LOG_LOCAL_LEVEL
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#ifndef BOOTLOADER_BUILD
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#define LOG_LOCAL_LEVEL ((esp_log_level_t) CONFIG_LOG_DEFAULT_LEVEL)
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#else
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#define LOG_LOCAL_LEVEL ((esp_log_level_t) CONFIG_LOG_BOOTLOADER_LEVEL)
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#endif
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#endif
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#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__); }
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#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__); }
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#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__); }
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#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__); }
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#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__); }
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#ifndef BOOTLOADER_BUILD
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#define ESP_LOGE( tag, format, ... ) if (LOG_LOCAL_LEVEL >= ESP_LOG_ERROR) { esp_log_write(ESP_LOG_ERROR, tag, LOG_FORMAT(E, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
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#define ESP_LOGW( tag, format, ... ) if (LOG_LOCAL_LEVEL >= ESP_LOG_WARN) { esp_log_write(ESP_LOG_WARN, tag, LOG_FORMAT(W, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
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#define ESP_LOGI( tag, format, ... ) if (LOG_LOCAL_LEVEL >= ESP_LOG_INFO) { esp_log_write(ESP_LOG_INFO, tag, LOG_FORMAT(I, format), esp_log_timestamp(), tag, ##__VA_ARGS__); }
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#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__); }
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#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__); }
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#else
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#define ESP_LOGE( tag, format, ... ) ESP_EARLY_LOGE(tag, format, ##__VA_ARGS__)
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#define ESP_LOGW( tag, format, ... ) ESP_EARLY_LOGW(tag, format, ##__VA_ARGS__)
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#define ESP_LOGI( tag, format, ... ) ESP_EARLY_LOGI(tag, format, ##__VA_ARGS__)
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#define ESP_LOGD( tag, format, ... ) ESP_EARLY_LOGD(tag, format, ##__VA_ARGS__)
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#define ESP_LOGV( tag, format, ... ) ESP_EARLY_LOGV(tag, format, ##__VA_ARGS__)
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#endif // BOOTLOADER_BUILD
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ESP_LOG_H__ */
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