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drivers/TimerEvent.h
- Committer:
- kevman
- Date:
- 2018-11-28
- Revision:
- 0:38ceb79fef03
File content as of revision 0:38ceb79fef03:
/* 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_TIMEREVENT_H #define MBED_TIMEREVENT_H #include "hal/ticker_api.h" #include "hal/us_ticker_api.h" #include "platform/NonCopyable.h" namespace mbed { /** \addtogroup drivers */ /** Base abstraction for timer interrupts * * @note Synchronization level: Interrupt safe * @ingroup drivers */ class TimerEvent : private NonCopyable<TimerEvent> { public: TimerEvent(); TimerEvent(const ticker_data_t *data); /** The handler registered with the underlying timer interrupt * * @param id Timer Event ID */ static void irq(uint32_t id); /** Destruction removes it... */ virtual ~TimerEvent(); protected: // The handler called to service the timer event of the derived class virtual void handler() = 0; /** Set relative timestamp of the internal event. * @param timestamp event's us timestamp * * @warning * Do not insert more than one timestamp. * The same @a event object is used for every @a insert/insert_absolute call. * * @warning * Ticker's present timestamp is used for reference. For timestamps * from the past the event is scheduled after ticker's overflow. * For reference @see convert_timestamp */ void insert(timestamp_t timestamp); /** Set absolute timestamp of the internal event. * @param timestamp event's us timestamp * * @warning * Do not insert more than one timestamp. * The same @a event object is used for every @a insert/insert_absolute call. */ void insert_absolute(us_timestamp_t timestamp); /** Remove timestamp. */ void remove(); ticker_event_t event; const ticker_data_t *_ticker_data; }; } // namespace mbed #endif