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TimerEvent.cpp
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 #include "drivers/TimerEvent.h" 00017 00018 #include <stddef.h> 00019 #include "hal/ticker_api.h" 00020 #include "hal/us_ticker_api.h" 00021 00022 namespace mbed { 00023 00024 TimerEvent::TimerEvent() : event(), _ticker_data(get_us_ticker_data()) 00025 { 00026 ticker_set_handler(_ticker_data, (&TimerEvent::irq)); 00027 } 00028 00029 TimerEvent::TimerEvent(const ticker_data_t *data) : event(), _ticker_data(data) 00030 { 00031 ticker_set_handler(_ticker_data, (&TimerEvent::irq)); 00032 } 00033 00034 void TimerEvent::irq(uint32_t id) 00035 { 00036 TimerEvent *timer_event = (TimerEvent *)id; 00037 timer_event->handler(); 00038 } 00039 00040 TimerEvent::~TimerEvent() 00041 { 00042 remove(); 00043 } 00044 00045 // insert in to linked list 00046 void TimerEvent::insert(timestamp_t timestamp) 00047 { 00048 ticker_insert_event(_ticker_data, &event, timestamp, (uint32_t)this); 00049 } 00050 00051 void TimerEvent::insert_absolute(us_timestamp_t timestamp) 00052 { 00053 ticker_insert_event_us(_ticker_data, &event, timestamp, (uint32_t)this); 00054 } 00055 00056 void TimerEvent::remove() 00057 { 00058 ticker_remove_event(_ticker_data, &event); 00059 } 00060 00061 } // namespace mbed
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