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mbed-classic/api/mbed_debug.h

66 lines
1.7 KiB

/* mbed Microcontroller Library
* Copyright (c) 2006-2013 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBED_DEBUG_H
#define MBED_DEBUG_H
#include "device.h"
#ifdef __cplusplus
extern "C" {
#endif
#if DEVICE_STDIO_MESSAGES
#include <stdio.h>
#include <stdarg.h>
/** Output a debug message
*
* @param format printf-style format string, followed by variables
*/
static inline void debug(const char *format, ...) {
va_list args;
va_start(args, format);
vfprintf(stderr, format, args);
va_end(args);
}
/** Conditionally output a debug message
*
* NOTE: If the condition is constant false (!= 1) and the compiler optimization
* level is greater than 0, then the whole function will be compiled away.
*
* @param condition output only if condition is true (== 1)
* @param format printf-style format string, followed by variables
*/
static inline void debug_if(int condition, const char *format, ...) {
if (condition == 1) {
va_list args;
va_start(args, format);
vfprintf(stderr, format, args);
va_end(args);
}
}
#else
static inline void debug(const char *format, ...) {}
static inline void debug_if(int condition, const char *format, ...) {}
#endif
#ifdef __cplusplus
}
#endif
#endif