Log.h

00001 /**
00002  * Copyright 2014 Nordic Semiconductor
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *  http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License
00015  */
00016 
00017 #ifndef __LOG__H__
00018 #define __LOG__H__
00019 
00020 /**
00021  * Warning: remove LOG_LEVEL_* defines in production for major power savings.
00022  *
00023  * Defining a log level will set up a serial connection to use for logging.
00024  * This serial connection sets up a timer prohibiting the mbed chip
00025  * from entering low power states, drawing ~1.4mAh instead of ~20µAh with logging disabled.
00026  */
00027 
00028 #ifdef LOG_LEVEL_VERBOSE
00029     #define __PUCK_LOG_LEVEL_VERBOSE__
00030 #endif
00031 #ifdef LOG_LEVEL_DEBUG
00032     #define __PUCK_LOG_LEVEL_DEBUG__
00033 #endif
00034 #ifdef LOG_LEVEL_INFO
00035     #define __PUCK_LOG_LEVEL_INFO__
00036 #endif
00037 #ifdef LOG_LEVEL_WARN
00038     #define __PUCK_LOG_LEVEL_WARN__
00039 #endif
00040 #ifdef LOG_LEVEL_ERROR
00041     #define __PUCK_LOG_LEVEL_ERROR__
00042 #endif
00043 
00044 #ifdef __PUCK_LOG_LEVEL_VERBOSE__
00045     #define LOG_VERBOSE(fmt, ...) do { logger.printf("[V] "); logger.printf(fmt, ##__VA_ARGS__); } while(0)
00046     #define __PUCK_LOG_LEVEL_DEBUG__
00047 #else
00048     #define LOG_VERBOSE(fmt, ...)
00049 #endif
00050 
00051 #ifdef __PUCK_LOG_LEVEL_DEBUG__
00052     #define LOG_DEBUG(fmt, ...) do {  logger.printf("[D] "); logger.printf(fmt, ##__VA_ARGS__); } while(0)
00053     #define __PUCK_LOG_LEVEL_INFO__
00054 #else
00055     #define LOG_DEBUG(fmt, ...)
00056 #endif
00057 
00058 #ifdef __PUCK_LOG_LEVEL_INFO__
00059     #define LOG_INFO(fmt, ...) do {  logger.printf("[I] "); logger.printf(fmt, ##__VA_ARGS__); } while(0)
00060     #define __PUCK_LOG_LEVEL_WARN__
00061 #else
00062     #define LOG_INFO(fmt, ...)
00063 #endif
00064 
00065 #ifdef __PUCK_LOG_LEVEL_WARN__
00066     #define LOG_WARN(fmt, ...) do {  logger.printf("![W] "); logger.printf(fmt, ##__VA_ARGS__); } while(0)
00067     #define __PUCK_LOG_LEVEL_ERROR__
00068 #else
00069     #define LOG_WARN(fmt, ...)
00070 #endif
00071 
00072 #ifdef __PUCK_LOG_LEVEL_ERROR__
00073     #define LOG_ERROR(fmt, ...) do {  logger.printf("!![E] "); logger.printf(fmt, ##__VA_ARGS__); } while(0)
00074 #else
00075     #define LOG_ERROR(fmt, ...)
00076 #endif
00077 
00078 #ifdef __PUCK_LOG_LEVEL_ERROR__
00079     static Serial logger(USBTX, USBRX);
00080 #endif
00081 
00082 
00083 #endif //__LOG__H__