Lab4 RTOS

Fork of mbed-rtos by mbed official

Revision:
8:88a1a9c26ae3
Parent:
6:350b53afb889
Child:
31:015df9e602b6
--- a/rtos/Mutex.h	Fri Nov 23 10:16:38 2012 +0000
+++ b/rtos/Mutex.h	Tue Nov 27 16:55:38 2012 +0000
@@ -1,45 +1,65 @@
-/* Copyright (c) 2012 mbed.org */
-#ifndef MUTEX_H
-#define MUTEX_H 
-
-#include <stdint.h>
-#include "cmsis_os.h"
-
-namespace rtos {
-
-/*! The Mutex class is used to synchronise the execution of threads.
- This is for example used to protect access to a shared resource.
-*/
-class Mutex {
-public:
-    /*! Create and Initialize a Mutex object */
-    Mutex();
-    
-    /*! Wait until a Mutex becomes available.
-      \param   millisec  timeout value or 0 in case of no time-out. (default: osWaitForever)
-      \return  status code that indicates the execution status of the function.
-     */ 
-    osStatus lock(uint32_t millisec=osWaitForever);
-    
-    /*! Try to lock the mutex, and return immediately
-      \return  true if the mutex was acquired, false otherwise.
-     */
-    bool trylock();
-    
-    /*! Unlock the mutex that has previously been locked by the same thread
-      \return  status code that indicates the execution status of the function. 
-     */
-    osStatus unlock();
-    
-    ~Mutex();
-
-private:
-    osMutexId _osMutexId;
-    osMutexDef_t _osMutexDef;
-#ifdef CMSIS_OS_RTX
-    int32_t _mutex_data[3];
-#endif
-};
-
-}
-#endif
+/* 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 MUTEX_H
+#define MUTEX_H
+
+#include <stdint.h>
+#include "cmsis_os.h"
+
+namespace rtos {
+
+/** The Mutex class is used to synchronise the execution of threads.
+ This is for example used to protect access to a shared resource.
+*/
+class Mutex {
+public:
+    /** Create and Initialize a Mutex object */
+    Mutex();
+    
+    /** Wait until a Mutex becomes available.
+      @param   millisec  timeout value or 0 in case of no time-out. (default: osWaitForever)
+      @return  status code that indicates the execution status of the function.
+     */ 
+    osStatus lock(uint32_t millisec=osWaitForever);
+    
+    /** Try to lock the mutex, and return immediately
+      @return  true if the mutex was acquired, false otherwise.
+     */
+    bool trylock();
+    
+    /** Unlock the mutex that has previously been locked by the same thread
+      @return  status code that indicates the execution status of the function. 
+     */
+    osStatus unlock();
+    
+    ~Mutex();
+
+private:
+    osMutexId _osMutexId;
+    osMutexDef_t _osMutexDef;
+#ifdef CMSIS_OS_RTX
+    int32_t _mutex_data[3];
+#endif
+};
+
+}
+#endif