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 
00021 namespace mbed {
00022 
00023 TimerEvent::TimerEvent() {
00024     us_ticker_set_handler((&TimerEvent::irq));
00025 }
00026 
00027 void TimerEvent::irq(uint32_t id) {
00028     TimerEvent *timer_event = (TimerEvent*)id;
00029     timer_event->handler();
00030 }
00031 
00032 TimerEvent::~TimerEvent() {
00033     remove();
00034 }
00035 
00036 // insert in to linked list
00037 void TimerEvent::insert(unsigned int timestamp) {
00038     us_ticker_insert_event(&event, timestamp, (uint32_t)this);
00039 }
00040 
00041 void TimerEvent::remove() {
00042     us_ticker_remove_event(&event);
00043 }
00044 
00045 } // namespace mbed