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capi/mbed_debug.h@1:62685faffa05, 2012-11-29 (annotated)

Committer:
emilmont
Date:
Thu Nov 29 15:41:14 2012 +0000
Revision:
1:62685faffa05
Child:
2:143cac498751
Update sources to [Rev 49]

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emilmont 1:62685faffa05 1 /* mbed Microcontroller Library
emilmont 1:62685faffa05 2 * Copyright (c) 2006-2012 ARM Limited
emilmont 1:62685faffa05 3 *
emilmont 1:62685faffa05 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
emilmont 1:62685faffa05 5 * of this software and associated documentation files (the "Software"), to deal
emilmont 1:62685faffa05 6 * in the Software without restriction, including without limitation the rights
emilmont 1:62685faffa05 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
emilmont 1:62685faffa05 8 * copies of the Software, and to permit persons to whom the Software is
emilmont 1:62685faffa05 9 * furnished to do so, subject to the following conditions:
emilmont 1:62685faffa05 10 *
emilmont 1:62685faffa05 11 * The above copyright notice and this permission notice shall be included in
emilmont 1:62685faffa05 12 * all copies or substantial portions of the Software.
emilmont 1:62685faffa05 13 *
emilmont 1:62685faffa05 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
emilmont 1:62685faffa05 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
emilmont 1:62685faffa05 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
emilmont 1:62685faffa05 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
emilmont 1:62685faffa05 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
emilmont 1:62685faffa05 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
emilmont 1:62685faffa05 20 * SOFTWARE.
emilmont 1:62685faffa05 21 */
emilmont 1:62685faffa05 22 #ifndef MBED_DEBUG_H
emilmont 1:62685faffa05 23 #define MBED_DEBUG_H
emilmont 1:62685faffa05 24 #include "device.h"
emilmont 1:62685faffa05 25
emilmont 1:62685faffa05 26 #ifdef __cplusplus
emilmont 1:62685faffa05 27 extern "C" {
emilmont 1:62685faffa05 28 #endif
emilmont 1:62685faffa05 29
emilmont 1:62685faffa05 30 #ifdef DEVICE_STDIO_MESSAGES
emilmont 1:62685faffa05 31 #include <stdio.h>
emilmont 1:62685faffa05 32 #include <stdarg.h>
emilmont 1:62685faffa05 33
emilmont 1:62685faffa05 34 /** Output a debug message
emilmont 1:62685faffa05 35 *
emilmont 1:62685faffa05 36 * @param format printf-style format string, followed by variables
emilmont 1:62685faffa05 37 */
emilmont 1:62685faffa05 38 static inline void debug(const char *format, ...) {
emilmont 1:62685faffa05 39 va_list args;
emilmont 1:62685faffa05 40 va_start(args, format);
emilmont 1:62685faffa05 41 vfprintf(stderr, format, args);
emilmont 1:62685faffa05 42 va_end(args);
emilmont 1:62685faffa05 43 }
emilmont 1:62685faffa05 44
emilmont 1:62685faffa05 45 /** Conditionally output a debug message
emilmont 1:62685faffa05 46 *
emilmont 1:62685faffa05 47 * NOTE: If the condition is constant false (!= 1) and the compiler optimization
emilmont 1:62685faffa05 48 * level is greater than 0, then the whole function will be compiled away.
emilmont 1:62685faffa05 49 *
emilmont 1:62685faffa05 50 * @param condition output only if condition is true (== 1)
emilmont 1:62685faffa05 51 * @param format printf-style format string, followed by variables
emilmont 1:62685faffa05 52 */
emilmont 1:62685faffa05 53 static inline void debug_if(int condition, const char *format, ...) {
emilmont 1:62685faffa05 54 if (condition == 1) {
emilmont 1:62685faffa05 55 va_list args;
emilmont 1:62685faffa05 56 va_start(args, format);
emilmont 1:62685faffa05 57 vfprintf(stderr, format, args);
emilmont 1:62685faffa05 58 va_end(args);
emilmont 1:62685faffa05 59 }
emilmont 1:62685faffa05 60 }
emilmont 1:62685faffa05 61
emilmont 1:62685faffa05 62 #else
emilmont 1:62685faffa05 63 static inline void debug(const char *format, ...) {}
emilmont 1:62685faffa05 64 static inline void debug_if(int condition, const char *format, ...) {}
emilmont 1:62685faffa05 65
emilmont 1:62685faffa05 66 #endif
emilmont 1:62685faffa05 67
emilmont 1:62685faffa05 68 #ifdef __cplusplus
emilmont 1:62685faffa05 69 }
emilmont 1:62685faffa05 70 #endif
emilmont 1:62685faffa05 71
emilmont 1:62685faffa05 72 #endif