Nano 使用软件包 EasyLogger 的问题

发布于 2022-07-04 10:37:33 浏览：768 订阅该版

1 个回答

crystal266 2022-07-04

嵌入式

应该是没有添加 elog.h 和 elog_cfg.h 两个头文件 或者 添加这两个文件后没有有添加头文件的包含路径。

根据错误提示，找不到宏定义 `ELOG_FILTER_TAG_MAX_LEN`，这个宏的定义在文件 elog_cfg.h 中，所以需要添加该文件并设置头文件包含路径。

```c
// elog_cfg.h

#ifndef _ELOG_CFG_H_
#define _ELOG_CFG_H_
/*---------------------------------------------------------------------------*/
/* enable log output. */
#define ELOG_OUTPUT_ENABLE
/* setting static output log level. range: from ELOG_LVL_ASSERT to ELOG_LVL_VERBOSE */
#define ELOG_OUTPUT_LVL                          ELOG_LVL_VERBOSE
/* enable assert check */
#define ELOG_ASSERT_ENABLE
/* buffer size for every line's log */
#define ELOG_LINE_BUF_SIZE                       1024
/* output line number max length */
#define ELOG_LINE_NUM_MAX_LEN                    5
/* output filter's tag max length */
#define ELOG_FILTER_TAG_MAX_LEN                  30
/* output filter's keyword max length */
#define ELOG_FILTER_KW_MAX_LEN                   16
/* output filter's tag level max num */
#define ELOG_FILTER_TAG_LVL_MAX_NUM              5
/* output newline sign */
#define ELOG_NEWLINE_SIGN                        "\n"
/*---------------------------------------------------------------------------*/
/* enable log color */
#define ELOG_COLOR_ENABLE
/* change the some level logs to not default color if you want */
#define ELOG_COLOR_ASSERT                        (F_MAGENTA B_NULL S_NORMAL)
#define ELOG_COLOR_ERROR                         (F_RED B_NULL S_NORMAL)
#define ELOG_COLOR_WARN                          (F_YELLOW B_NULL S_NORMAL)
#define ELOG_COLOR_INFO                          (F_CYAN B_NULL S_NORMAL)
#define ELOG_COLOR_DEBUG                         (F_GREEN B_NULL S_NORMAL)
#define ELOG_COLOR_VERBOSE                       (F_BLUE B_NULL S_NORMAL)
/*---------------------------------------------------------------------------*/
/* enable asynchronous output mode */
#define ELOG_ASYNC_OUTPUT_ENABLE
/* the highest output level for async mode, other level will sync output */
#define ELOG_ASYNC_OUTPUT_LVL                    ELOG_LVL_ASSERT
/* buffer size for asynchronous output mode */
#define ELOG_ASYNC_OUTPUT_BUF_SIZE               (ELOG_LINE_BUF_SIZE * 10)
/* each asynchronous output's log which must end with newline sign */
#define ELOG_ASYNC_LINE_OUTPUT
/* asynchronous output mode using POSIX pthread implementation */
#define ELOG_ASYNC_OUTPUT_USING_PTHREAD
/*---------------------------------------------------------------------------*/
/* enable buffered output mode */
#define ELOG_BUF_OUTPUT_ENABLE
/* buffer size for buffered output mode */
#define ELOG_BUF_OUTPUT_BUF_SIZE                 (ELOG_LINE_BUF_SIZE * 10)

#endif /* _ELOG_CFG_H_ */
```