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TimerEvent.h
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2013 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 #ifndef MBED_TIMEREVENT_H 00017 #define MBED_TIMEREVENT_H 00018 00019 #include "hal/ticker_api.h" 00020 #include "hal/us_ticker_api.h" 00021 #include "platform/NonCopyable.h" 00022 00023 namespace mbed { 00024 /** \addtogroup drivers */ 00025 00026 /** Base abstraction for timer interrupts 00027 * 00028 * @note Synchronization level: Interrupt safe 00029 * @ingroup drivers 00030 */ 00031 class TimerEvent : private NonCopyable<TimerEvent> { 00032 public: 00033 TimerEvent(); 00034 TimerEvent(const ticker_data_t *data); 00035 00036 /** The handler registered with the underlying timer interrupt 00037 * 00038 * @param id Timer Event ID 00039 */ 00040 static void irq(uint32_t id); 00041 00042 /** Destruction removes it... 00043 */ 00044 virtual ~TimerEvent(); 00045 00046 protected: 00047 // The handler called to service the timer event of the derived class 00048 virtual void handler() = 0; 00049 00050 // insert relative timestamp in to linked list 00051 void insert(timestamp_t timestamp); 00052 00053 // insert absolute timestamp into linked list 00054 void insert_absolute(us_timestamp_t timestamp); 00055 00056 // remove from linked list, if in it 00057 void remove(); 00058 00059 ticker_event_t event; 00060 00061 const ticker_data_t *_ticker_data; 00062 }; 00063 00064 } // namespace mbed 00065 00066 #endif
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