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Show/hide line numbers TimerEvent.cpp Source File

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