142 lines
4.5 KiB
C
142 lines
4.5 KiB
C
/* Copyright 2018 Canaan Inc.
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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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*
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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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*/
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#ifndef _SYSLOG_H
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#define _SYSLOG_H
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#include <stdint.h>
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#include <stdio.h>
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#include "printf.h"
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#include "encoding.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 Logging library
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*
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* Log library has two ways of managing log verbosity: compile time, set via
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* menuconfig
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*
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* At compile time, filtering is done using CONFIG_LOG_DEFAULT_LEVEL macro, set via
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* menuconfig. All logging statments for levels higher than CONFIG_LOG_DEFAULT_LEVEL
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* will be removed by the preprocessor.
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*
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*
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* How to use this library:
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*
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* In each C file which uses logging functionality, define TAG variable like this:
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*
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* static const char *TAG = "MODULE_NAME";
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*
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* then use one of logging macros to produce output, e.g:
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*
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* LOGW(TAG, "Interrupt error %d", error);
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*
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* Several macros are available for different verbosity levels:
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*
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* LOGE - error
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* LOGW - warning
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* LOGI - info
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* LOGD - debug
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* LOGV - verbose
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*
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* To override default verbosity level at file or component scope, define LOG_LEVEL macro.
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* At file scope, define it before including esp_log.h, e.g.:
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*
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* #define LOG_LEVEL LOG_VERBOSE
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* #include "dxx_log.h"
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*
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* At component scope, define it in component makefile:
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*
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* CFLAGS += -D LOG_LEVEL=LOG_DEBUG
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*
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*
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*/
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/* clang-format off */
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typedef enum _kendryte_log_level
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{
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LOG_NONE, /*!< No log output */
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LOG_ERROR, /*!< Critical errors, software module can not recover on its own */
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LOG_WARN, /*!< Error conditions from which recovery measures have been taken */
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LOG_INFO, /*!< Information messages which describe normal flow of events */
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LOG_DEBUG, /*!< Extra information which is not necessary for normal use (values, pointers, sizes, etc). */
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LOG_VERBOSE /*!< Bigger chunks of debugging information, or frequent messages which can potentially flood the output. */
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} kendryte_log_level_t ;
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/* clang-format on */
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/* clang-format off */
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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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/* clang-format on */
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#define LOG_FORMAT(letter, format) LOG_COLOR_ ## letter #letter " (%lu) %s: " format LOG_RESET_COLOR "\n"
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#ifdef LOG_LEVEL
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#undef CONFIG_LOG_LEVEL
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#define CONFIG_LOG_LEVEL LOG_LEVEL
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#endif
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#ifdef LOG_KERNEL
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#define LOG_PRINTF printk
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#else
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#define LOG_PRINTF printf
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#endif
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#ifdef CONFIG_LOG_ENABLE
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#define LOGE(tag, format, ...) do {if (CONFIG_LOG_LEVEL >= LOG_ERROR) LOG_PRINTF(LOG_FORMAT(E, format), read_cycle(), tag, ##__VA_ARGS__); } while (0)
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#define LOGW(tag, format, ...) do {if (CONFIG_LOG_LEVEL >= LOG_WARN) LOG_PRINTF(LOG_FORMAT(W, format), read_cycle(), tag, ##__VA_ARGS__); } while (0)
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#define LOGI(tag, format, ...) do {if (CONFIG_LOG_LEVEL >= LOG_INFO) LOG_PRINTF(LOG_FORMAT(I, format), read_cycle(), tag, ##__VA_ARGS__); } while (0)
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#define LOGD(tag, format, ...) do {if (CONFIG_LOG_LEVEL >= LOG_DEBUG) LOG_PRINTF(LOG_FORMAT(D, format), read_cycle(), tag, ##__VA_ARGS__); } while (0)
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#define LOGV(tag, format, ...) do {if (CONFIG_LOG_LEVEL >= LOG_VERBOSE) LOG_PRINTF(LOG_FORMAT(V, format), read_cycle(), tag, ##__VA_ARGS__); } while (0)
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#else
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#define LOGE(tag, format, ...)
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#define LOGW(tag, format, ...)
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#define LOGI(tag, format, ...)
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#define LOGD(tag, format, ...)
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#define LOGV(tag, format, ...)
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#endif /* LOG_ENABLE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYSLOG_H */
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