Diff: mbed_debug.h

Revision:

49:eeb8a2a33ec9

Parent:

47:134def52cfa0

Child:

54:71b101360fb9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_debug.h	Thu Nov 29 10:52:23 2012 +0000
@@ -0,0 +1,72 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef MBED_DEBUG_H
+#define MBED_DEBUG_H
+#include "device.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef 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