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mbed_debug.h
00001 00002 /** \addtogroup platform */ 00003 /** @{*/ 00004 /* mbed Microcontroller Library 00005 * Copyright (c) 2006-2013 ARM Limited 00006 * 00007 * Licensed under the Apache License, Version 2.0 (the "License"); 00008 * you may not use this file except in compliance with the License. 00009 * You may obtain a copy of the License at 00010 * 00011 * http://www.apache.org/licenses/LICENSE-2.0 00012 * 00013 * Unless required by applicable law or agreed to in writing, software 00014 * distributed under the License is distributed on an "AS IS" BASIS, 00015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00016 * See the License for the specific language governing permissions and 00017 * limitations under the License. 00018 */ 00019 #ifndef MBED_DEBUG_H 00020 #define MBED_DEBUG_H 00021 #if DEVICE_STDIO_MESSAGES 00022 #include <stdio.h> 00023 #include <stdarg.h> 00024 #endif 00025 00026 #ifdef __cplusplus 00027 extern "C" { 00028 #endif 00029 00030 00031 /** Output a debug message 00032 * 00033 * @param format printf-style format string, followed by variables 00034 */ 00035 static inline void debug(const char *format, ...) { 00036 #if DEVICE_STDIO_MESSAGES && !defined(NDEBUG) 00037 va_list args; 00038 va_start(args, format); 00039 vfprintf(stderr, format, args); 00040 va_end(args); 00041 #endif 00042 } 00043 00044 00045 /** Conditionally output a debug message 00046 * 00047 * NOTE: If the condition is constant false (== 0) and the compiler optimization 00048 * level is greater than 0, then the whole function will be compiled away. 00049 * 00050 * @param condition output only if condition is true (!= 0) 00051 * @param format printf-style format string, followed by variables 00052 */ 00053 static inline void debug_if(int condition, const char *format, ...) { 00054 #if DEVICE_STDIO_MESSAGES && !defined(NDEBUG) 00055 if (condition) { 00056 va_list args; 00057 va_start(args, format); 00058 vfprintf(stderr, format, args); 00059 va_end(args); 00060 } 00061 #endif 00062 } 00063 00064 00065 #ifdef __cplusplus 00066 } 00067 #endif 00068 00069 #endif 00070 00071 /** @}*/ 00072
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