mirror of https://github.com/ARMmbed/mbed-os.git
85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MBED_TIMEREVENT_H
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#define MBED_TIMEREVENT_H
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#include "hal/ticker_api.h"
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#include "hal/us_ticker_api.h"
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#include "platform/NonCopyable.h"
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namespace mbed {
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/** \addtogroup drivers */
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/** Base abstraction for timer interrupts
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*
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* @note Synchronization level: Interrupt safe
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* @ingroup drivers
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*/
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class TimerEvent : private NonCopyable<TimerEvent> {
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public:
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TimerEvent();
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TimerEvent(const ticker_data_t *data);
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/** The handler registered with the underlying timer interrupt
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*
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* @param id Timer Event ID
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*/
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static void irq(uint32_t id);
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/** Destruction removes it...
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*/
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virtual ~TimerEvent();
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protected:
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// The handler called to service the timer event of the derived class
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virtual void handler() = 0;
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/** Set relative timestamp of the internal event.
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* @param timestamp event's us timestamp
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*
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* @warning
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* Do not insert more than one timestamp.
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* The same @a event object is used for every @a insert/insert_absolute call.
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*
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* @warning
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* Ticker's present timestamp is used for reference. For timestamps
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* from the past the event is scheduled after ticker's overflow.
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* For reference @see convert_timestamp
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*/
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void insert(timestamp_t timestamp);
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/** Set absolute timestamp of the internal event.
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* @param timestamp event's us timestamp
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*
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* @warning
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* Do not insert more than one timestamp.
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* The same @a event object is used for every @a insert/insert_absolute call.
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*/
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void insert_absolute(us_timestamp_t timestamp);
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/** Remove timestamp.
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*/
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void remove();
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ticker_event_t event;
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const ticker_data_t *_ticker_data;
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};
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} // namespace mbed
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#endif
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