1.源码
GitHub - armink/EasyLogger: An ultra-lightweight(ROM<1.6K, RAM<0.3k), high-performance C/C++ log library. | 一款超轻量级(ROM<1.6K, RAM<0.3k)、高性能的 C/C++ 日志库
2.介绍
easylogger就是用来打印日志的,我们可以将日志输出到sscom, led屏幕, 或者打印到spiflash中, 保存运行日志.
个人认为用到的两个地方, 一个日志打印装逼, 另一个将运行日志保存到flash, 前者居多吧
3.移植
1. 在elog_port.c中添加相关底层相关函数
/** This file is part of the EasyLogger Library.** Copyright (c) 2015, Armink, <armink.ztl@gmail.com>** Permission is hereby granted, free of charge, to any person obtaining* a copy of this software and associated documentation files (the* 'Software'), to deal in the Software without restriction, including* without limitation the rights to use, copy, modify, merge, publish,* distribute, sublicense, and/or sell copies of the Software, and to* permit persons to whom the Software is furnished to do so, subject to* the following conditions:** The above copyright notice and this permission notice shall be* included in all copies or substantial portions of the Software.** THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.** Function: Portable interface for each platform.* Created on: 2015-04-28*/#include <elog.h>
#include "stdio.h"
/*** EasyLogger port initialize** @return result*/
ElogErrCode elog_port_init(void) {ElogErrCode result = ELOG_NO_ERR;/* add your code here */return result;
}/*** EasyLogger port deinitialize**/
void elog_port_deinit(void) {/* add your code here */}/*** output log port interface** @param log output of log* @param size log size*/
void elog_port_output(const char *log, size_t size) {/* add your code here */printf("%.*s", size, log);
}/*** output lock*/
void elog_port_output_lock(void) {/* add your code here */}/*** output unlock*/
void elog_port_output_unlock(void) {/* add your code here */}/*** get current time interface** @return current time*/
const char *elog_port_get_time(void) {/* add your code here */return "14:10:10";
}/*** get current process name interface** @return current process name*/
const char *elog_port_get_p_info(void) {/* add your code here */return 0;
}/*** get current thread name interface** @return current thread name*/
const char *elog_port_get_t_info(void) {/* add your code here */return 0;
}
2.配置下elog_cfg.h中的几个宏
这个宏和异步和多线程相关, 如果是打印日志到SSCOM, 注释掉这几个宏
4.使用
int main()
{elog_init();elog_start();while(1){printf("\r\n\r\n");log_e("ni hao!\r\n");log_a("ni hao!\r\n");log_i("ni hao!\r\n");log_d("ni hao!\r\n");log_v("ni hao!\r\n");log_w("ni hao!\r\n");}}