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mbed-dev/platform/mbed_debug.h@1:d0dfbce63a89, 2017-02-24 (annotated)

Committer:
elmot
Date:
Fri Feb 24 21:13:56 2017 +0000
Revision:
1:d0dfbce63a89
Ready-to-copy

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elmot 1:d0dfbce63a89 1
elmot 1:d0dfbce63a89 2 /** \addtogroup platform */
elmot 1:d0dfbce63a89 3 /** @{*/
elmot 1:d0dfbce63a89 4 /* mbed Microcontroller Library
elmot 1:d0dfbce63a89 5 * Copyright (c) 2006-2013 ARM Limited
elmot 1:d0dfbce63a89 6 *
elmot 1:d0dfbce63a89 7 * Licensed under the Apache License, Version 2.0 (the "License");
elmot 1:d0dfbce63a89 8 * you may not use this file except in compliance with the License.
elmot 1:d0dfbce63a89 9 * You may obtain a copy of the License at
elmot 1:d0dfbce63a89 10 *
elmot 1:d0dfbce63a89 11 * http://www.apache.org/licenses/LICENSE-2.0
elmot 1:d0dfbce63a89 12 *
elmot 1:d0dfbce63a89 13 * Unless required by applicable law or agreed to in writing, software
elmot 1:d0dfbce63a89 14 * distributed under the License is distributed on an "AS IS" BASIS,
elmot 1:d0dfbce63a89 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elmot 1:d0dfbce63a89 16 * See the License for the specific language governing permissions and
elmot 1:d0dfbce63a89 17 * limitations under the License.
elmot 1:d0dfbce63a89 18 */
elmot 1:d0dfbce63a89 19 #ifndef MBED_DEBUG_H
elmot 1:d0dfbce63a89 20 #define MBED_DEBUG_H
elmot 1:d0dfbce63a89 21 #include "device.h"
elmot 1:d0dfbce63a89 22
elmot 1:d0dfbce63a89 23 #ifdef __cplusplus
elmot 1:d0dfbce63a89 24 extern "C" {
elmot 1:d0dfbce63a89 25 #endif
elmot 1:d0dfbce63a89 26
elmot 1:d0dfbce63a89 27 #if DEVICE_STDIO_MESSAGES
elmot 1:d0dfbce63a89 28 #include <stdio.h>
elmot 1:d0dfbce63a89 29 #include <stdarg.h>
elmot 1:d0dfbce63a89 30
elmot 1:d0dfbce63a89 31 /** Output a debug message
elmot 1:d0dfbce63a89 32 *
elmot 1:d0dfbce63a89 33 * @param format printf-style format string, followed by variables
elmot 1:d0dfbce63a89 34 */
elmot 1:d0dfbce63a89 35 static inline void debug(const char *format, ...) {
elmot 1:d0dfbce63a89 36 va_list args;
elmot 1:d0dfbce63a89 37 va_start(args, format);
elmot 1:d0dfbce63a89 38 vfprintf(stderr, format, args);
elmot 1:d0dfbce63a89 39 va_end(args);
elmot 1:d0dfbce63a89 40 }
elmot 1:d0dfbce63a89 41
elmot 1:d0dfbce63a89 42 /** Conditionally output a debug message
elmot 1:d0dfbce63a89 43 *
elmot 1:d0dfbce63a89 44 * NOTE: If the condition is constant false (!= 1) and the compiler optimization
elmot 1:d0dfbce63a89 45 * level is greater than 0, then the whole function will be compiled away.
elmot 1:d0dfbce63a89 46 *
elmot 1:d0dfbce63a89 47 * @param condition output only if condition is true (== 1)
elmot 1:d0dfbce63a89 48 * @param format printf-style format string, followed by variables
elmot 1:d0dfbce63a89 49 */
elmot 1:d0dfbce63a89 50 static inline void debug_if(int condition, const char *format, ...) {
elmot 1:d0dfbce63a89 51 if (condition == 1) {
elmot 1:d0dfbce63a89 52 va_list args;
elmot 1:d0dfbce63a89 53 va_start(args, format);
elmot 1:d0dfbce63a89 54 vfprintf(stderr, format, args);
elmot 1:d0dfbce63a89 55 va_end(args);
elmot 1:d0dfbce63a89 56 }
elmot 1:d0dfbce63a89 57 }
elmot 1:d0dfbce63a89 58
elmot 1:d0dfbce63a89 59 #else
elmot 1:d0dfbce63a89 60 static inline void debug(const char *format, ...) {}
elmot 1:d0dfbce63a89 61 static inline void debug_if(int condition, const char *format, ...) {}
elmot 1:d0dfbce63a89 62
elmot 1:d0dfbce63a89 63 #endif
elmot 1:d0dfbce63a89 64
elmot 1:d0dfbce63a89 65 #ifdef __cplusplus
elmot 1:d0dfbce63a89 66 }
elmot 1:d0dfbce63a89 67 #endif
elmot 1:d0dfbce63a89 68
elmot 1:d0dfbce63a89 69 #endif
elmot 1:d0dfbce63a89 70
elmot 1:d0dfbce63a89 71 /** @}*/