Example code displaying how to use and implement the mbed RTOS along with a simple state machine used to capture button presses.

Dependencies:   mbed

Fork of mbed-rtos by mbed official

Revision:
8:88a1a9c26ae3
Parent:
6:350b53afb889
Child:
31:015df9e602b6
--- a/rtos/RtosTimer.h	Fri Nov 23 10:16:38 2012 +0000
+++ b/rtos/RtosTimer.h	Tue Nov 27 16:55:38 2012 +0000
@@ -1,51 +1,71 @@
-/* Copyright (c) 2012 mbed.org */
-#ifndef TIMER_H
-#define TIMER_H 
-
-#include <stdint.h>
-#include "cmsis_os.h"
-
-namespace rtos {
-
-/*! The RtosTimer class allow creating and and controlling of timer functions in the system.
- A timer function is called when a time period expires whereby both on-shot and
- periodic timers are possible. A timer can be started, restarted, or stopped.
-
- Timers are handled in the thread osTimerThread.
- Callback functions run under control of this thread and may use CMSIS-RTOS API calls. 
-*/
-class RtosTimer {
-public:
-    /*! Create and Start timer.
-      \param   task      name of the timer call back function.
-      \param   type      osTimerOnce for one-shot or osTimerPeriodic for periodic behaviour. (default: osTimerPeriodic)
-      \param   argument  argument to the timer call back function. (default: NULL)
-    */
-    RtosTimer(void (*task)(void const *argument),
-          os_timer_type type=osTimerPeriodic,
-          void *argument=NULL);
-    
-    /*! Stop the timer.
-      \return  status code that indicates the execution status of the function. 
-    */
-    osStatus stop(void);
-    
-    /*! start a timer.
-      \param   millisec  time delay value of the timer.
-      \return  status code that indicates the execution status of the function. 
-    */
-    osStatus start(uint32_t millisec);
-    
-    ~RtosTimer();
-
-private:
-    osTimerId _timer_id;
-    osTimerDef_t _timer;
-#ifdef CMSIS_OS_RTX
-    uint32_t _timer_data[5];
-#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 RTOS_TIMER_H
+#define RTOS_TIMER_H
+
+#include <stdint.h>
+#include "cmsis_os.h"
+
+namespace rtos {
+
+/** The RtosTimer class allow creating and and controlling of timer functions in the system.
+ A timer function is called when a time period expires whereby both on-shot and
+ periodic timers are possible. A timer can be started, restarted, or stopped.
+
+ Timers are handled in the thread osTimerThread.
+ Callback functions run under control of this thread and may use CMSIS-RTOS API calls. 
+*/
+class RtosTimer {
+public:
+    /** Create and Start timer.
+      @param   task      name of the timer call back function.
+      @param   type      osTimerOnce for one-shot or osTimerPeriodic for periodic behaviour. (default: osTimerPeriodic)
+      @param   argument  argument to the timer call back function. (default: NULL)
+    */
+    RtosTimer(void (*task)(void const *argument),
+          os_timer_type type=osTimerPeriodic,
+          void *argument=NULL);
+    
+    /** Stop the timer.
+      @return  status code that indicates the execution status of the function. 
+    */
+    osStatus stop(void);
+    
+    /** start a timer.
+      @param   millisec  time delay value of the timer.
+      @return  status code that indicates the execution status of the function. 
+    */
+    osStatus start(uint32_t millisec);
+    
+    ~RtosTimer();
+
+private:
+    osTimerId _timer_id;
+    osTimerDef_t _timer;
+#ifdef CMSIS_OS_RTX
+    uint32_t _timer_data[5];
+#endif
+};
+
+}
+
+#endif