Diff: mbed-os/platform/mbed_debug.h

Revision:

0:9fca2b23d0ba

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os/platform/mbed_debug.h	Sat Feb 23 12:13:36 2019 +0000
@@ -0,0 +1,79 @@
+
+/** \addtogroup platform */
+/** @{*/
+/**
+ * \defgroup platform_debug Debug functions
+ * @{
+ */
+ 
+/* 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
+#if DEVICE_STDIO_MESSAGES
+#include <stdio.h>
+#include <stdarg.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/** Output a debug message
+ *
+ * @param format printf-style format string, followed by variables
+ */
+static inline void debug(const char *format, ...) {
+#if DEVICE_STDIO_MESSAGES && !defined(NDEBUG)
+    va_list args;
+    va_start(args, format);
+    vfprintf(stderr, format, args);
+    va_end(args);
+#endif
+}
+
+
+/** Conditionally output a debug message
+ *
+ * NOTE: If the condition is constant false (== 0) 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 (!= 0)
+ * @param format printf-style format string, followed by variables
+ */
+static inline void debug_if(int condition, const char *format, ...) {
+#if DEVICE_STDIO_MESSAGES && !defined(NDEBUG)
+    if (condition) {
+        va_list args;
+        va_start(args, format);
+        vfprintf(stderr, format, args);
+        va_end(args);
+    }
+#endif
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+/**@}*/
+
+/**@}*/
+