Sukkin Pang / mbed-dev-bin

Initial release

Fork of mbed-dev-bin by Lancaster University

mbed_debug.h@4:85cbef757caa, 2016-09-29 (annotated)

Committer:
pangsk
Date:
Thu Sep 29 15:33:10 2016 +0000
Revision:
4:85cbef757caa
Parent:
0:e1a608bb55e8 
Initial release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jamesadevine 0:e1a608bb55e8 1 /* mbed Microcontroller Library
jamesadevine 0:e1a608bb55e8 2 * Copyright (c) 2006-2013 ARM Limited
jamesadevine 0:e1a608bb55e8 3 *
jamesadevine 0:e1a608bb55e8 4 * Licensed under the Apache License, Version 2.0 (the "License");
jamesadevine 0:e1a608bb55e8 5 * you may not use this file except in compliance with the License.
jamesadevine 0:e1a608bb55e8 6 * You may obtain a copy of the License at
jamesadevine 0:e1a608bb55e8 7 *
jamesadevine 0:e1a608bb55e8 8 * http://www.apache.org/licenses/LICENSE-2.0
jamesadevine 0:e1a608bb55e8 9 *
jamesadevine 0:e1a608bb55e8 10 * Unless required by applicable law or agreed to in writing, software
jamesadevine 0:e1a608bb55e8 11 * distributed under the License is distributed on an "AS IS" BASIS,
jamesadevine 0:e1a608bb55e8 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jamesadevine 0:e1a608bb55e8 13 * See the License for the specific language governing permissions and
jamesadevine 0:e1a608bb55e8 14 * limitations under the License.
jamesadevine 0:e1a608bb55e8 15 */
jamesadevine 0:e1a608bb55e8 16 #ifndef MBED_DEBUG_H
jamesadevine 0:e1a608bb55e8 17 #define MBED_DEBUG_H
jamesadevine 0:e1a608bb55e8 18 #include "device.h"
jamesadevine 0:e1a608bb55e8 19
jamesadevine 0:e1a608bb55e8 20 #ifdef __cplusplus
jamesadevine 0:e1a608bb55e8 21 extern "C" {
jamesadevine 0:e1a608bb55e8 22 #endif
jamesadevine 0:e1a608bb55e8 23
jamesadevine 0:e1a608bb55e8 24 #if DEVICE_STDIO_MESSAGES
jamesadevine 0:e1a608bb55e8 25 #include <stdio.h>
jamesadevine 0:e1a608bb55e8 26 #include <stdarg.h>
jamesadevine 0:e1a608bb55e8 27
jamesadevine 0:e1a608bb55e8 28 /** Output a debug message
jamesadevine 0:e1a608bb55e8 29 *
jamesadevine 0:e1a608bb55e8 30 * @param format printf-style format string, followed by variables
jamesadevine 0:e1a608bb55e8 31 */
jamesadevine 0:e1a608bb55e8 32 static inline void debug(const char *format, ...) {
jamesadevine 0:e1a608bb55e8 33 va_list args;
jamesadevine 0:e1a608bb55e8 34 va_start(args, format);
jamesadevine 0:e1a608bb55e8 35 vfprintf(stderr, format, args);
jamesadevine 0:e1a608bb55e8 36 va_end(args);
jamesadevine 0:e1a608bb55e8 37 }
jamesadevine 0:e1a608bb55e8 38
jamesadevine 0:e1a608bb55e8 39 /** Conditionally output a debug message
jamesadevine 0:e1a608bb55e8 40 *
jamesadevine 0:e1a608bb55e8 41 * NOTE: If the condition is constant false (!= 1) and the compiler optimization
jamesadevine 0:e1a608bb55e8 42 * level is greater than 0, then the whole function will be compiled away.
jamesadevine 0:e1a608bb55e8 43 *
jamesadevine 0:e1a608bb55e8 44 * @param condition output only if condition is true (== 1)
jamesadevine 0:e1a608bb55e8 45 * @param format printf-style format string, followed by variables
jamesadevine 0:e1a608bb55e8 46 */
jamesadevine 0:e1a608bb55e8 47 static inline void debug_if(int condition, const char *format, ...) {
jamesadevine 0:e1a608bb55e8 48 if (condition == 1) {
jamesadevine 0:e1a608bb55e8 49 va_list args;
jamesadevine 0:e1a608bb55e8 50 va_start(args, format);
jamesadevine 0:e1a608bb55e8 51 vfprintf(stderr, format, args);
jamesadevine 0:e1a608bb55e8 52 va_end(args);
jamesadevine 0:e1a608bb55e8 53 }
jamesadevine 0:e1a608bb55e8 54 }
jamesadevine 0:e1a608bb55e8 55
jamesadevine 0:e1a608bb55e8 56 #else
jamesadevine 0:e1a608bb55e8 57 static inline void debug(const char *format, ...) {}
jamesadevine 0:e1a608bb55e8 58 static inline void debug_if(int condition, const char *format, ...) {}
jamesadevine 0:e1a608bb55e8 59
jamesadevine 0:e1a608bb55e8 60 #endif
jamesadevine 0:e1a608bb55e8 61
jamesadevine 0:e1a608bb55e8 62 #ifdef __cplusplus
jamesadevine 0:e1a608bb55e8 63 }
jamesadevine 0:e1a608bb55e8 64 #endif
jamesadevine 0:e1a608bb55e8 65
jamesadevine 0:e1a608bb55e8 66 #endif