kendryte-sdk-source/lib/utils/include/syslog.h

142 lines
4.5 KiB
C

/* Copyright 2018 Canaan Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _SYSLOG_H
#define _SYSLOG_H
#include <stdint.h>
#include <stdio.h>
#include "printf.h"
#include "encoding.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Logging library
*
* Log library has two ways of managing log verbosity: compile time, set via
* menuconfig
*
* At compile time, filtering is done using CONFIG_LOG_DEFAULT_LEVEL macro, set via
* menuconfig. All logging statments for levels higher than CONFIG_LOG_DEFAULT_LEVEL
* will be removed by the preprocessor.
*
*
* How to use this library:
*
* In each C file which uses logging functionality, define TAG variable like this:
*
* static const char *TAG = "MODULE_NAME";
*
* then use one of logging macros to produce output, e.g:
*
* LOGW(TAG, "Interrupt error %d", error);
*
* Several macros are available for different verbosity levels:
*
* LOGE - error
* LOGW - warning
* LOGI - info
* LOGD - debug
* LOGV - verbose
*
* To override default verbosity level at file or component scope, define LOG_LEVEL macro.
* At file scope, define it before including esp_log.h, e.g.:
*
* #define LOG_LEVEL LOG_VERBOSE
* #include "dxx_log.h"
*
* At component scope, define it in component makefile:
*
* CFLAGS += -D LOG_LEVEL=LOG_DEBUG
*
*
*/
/* clang-format off */
typedef enum _kendryte_log_level
{
LOG_NONE, /*!< No log output */
LOG_ERROR, /*!< Critical errors, software module can not recover on its own */
LOG_WARN, /*!< Error conditions from which recovery measures have been taken */
LOG_INFO, /*!< Information messages which describe normal flow of events */
LOG_DEBUG, /*!< Extra information which is not necessary for normal use (values, pointers, sizes, etc). */
LOG_VERBOSE /*!< Bigger chunks of debugging information, or frequent messages which can potentially flood the output. */
} kendryte_log_level_t ;
/* clang-format on */
/* clang-format off */
#if CONFIG_LOG_COLORS
#define LOG_COLOR_BLACK "30"
#define LOG_COLOR_RED "31"
#define LOG_COLOR_GREEN "32"
#define LOG_COLOR_BROWN "33"
#define LOG_COLOR_BLUE "34"
#define LOG_COLOR_PURPLE "35"
#define LOG_COLOR_CYAN "36"
#define LOG_COLOR(COLOR) "\033[0;" COLOR "m"
#define LOG_BOLD(COLOR) "\033[1;" COLOR "m"
#define LOG_RESET_COLOR "\033[0m"
#define LOG_COLOR_E LOG_COLOR(LOG_COLOR_RED)
#define LOG_COLOR_W LOG_COLOR(LOG_COLOR_BROWN)
#define LOG_COLOR_I LOG_COLOR(LOG_COLOR_GREEN)
#define LOG_COLOR_D
#define LOG_COLOR_V
#else /* CONFIG_LOG_COLORS */
#define LOG_COLOR_E
#define LOG_COLOR_W
#define LOG_COLOR_I
#define LOG_COLOR_D
#define LOG_COLOR_V
#define LOG_RESET_COLOR
#endif /* CONFIG_LOG_COLORS */
/* clang-format on */
#define LOG_FORMAT(letter, format) LOG_COLOR_ ## letter #letter " (%lu) %s: " format LOG_RESET_COLOR "\n"
#ifdef LOG_LEVEL
#undef CONFIG_LOG_LEVEL
#define CONFIG_LOG_LEVEL LOG_LEVEL
#endif
#ifdef LOG_KERNEL
#define LOG_PRINTF printk
#else
#define LOG_PRINTF printf
#endif
#ifdef CONFIG_LOG_ENABLE
#define LOGE(tag, format, ...) do {if (CONFIG_LOG_LEVEL >= LOG_ERROR) LOG_PRINTF(LOG_FORMAT(E, format), read_cycle(), tag, ##__VA_ARGS__); } while (0)
#define LOGW(tag, format, ...) do {if (CONFIG_LOG_LEVEL >= LOG_WARN) LOG_PRINTF(LOG_FORMAT(W, format), read_cycle(), tag, ##__VA_ARGS__); } while (0)
#define LOGI(tag, format, ...) do {if (CONFIG_LOG_LEVEL >= LOG_INFO) LOG_PRINTF(LOG_FORMAT(I, format), read_cycle(), tag, ##__VA_ARGS__); } while (0)
#define LOGD(tag, format, ...) do {if (CONFIG_LOG_LEVEL >= LOG_DEBUG) LOG_PRINTF(LOG_FORMAT(D, format), read_cycle(), tag, ##__VA_ARGS__); } while (0)
#define LOGV(tag, format, ...) do {if (CONFIG_LOG_LEVEL >= LOG_VERBOSE) LOG_PRINTF(LOG_FORMAT(V, format), read_cycle(), tag, ##__VA_ARGS__); } while (0)
#else
#define LOGE(tag, format, ...)
#define LOGW(tag, format, ...)
#define LOGI(tag, format, ...)
#define LOGD(tag, format, ...)
#define LOGV(tag, format, ...)
#endif /* LOG_ENABLE */
#ifdef __cplusplus
}
#endif
#endif /* _SYSLOG_H */