Ticker.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 "Ticker.h"
00017 
00018 #include "TimerEvent.h"
00019 #include "FunctionPointer.h"
00020 
00021 namespace mbed {
00022 
00023 void Ticker::detach() {
00024     remove();
00025     _function.attach(0);
00026 }
00027 
00028 void Ticker::setup(timestamp_t t) {
00029     remove();
00030     _delay = t;
00031     insert(_delay + us_ticker_read());
00032 }
00033 
00034 void Ticker::handler() {
00035     insert(event.timestamp + _delay);
00036     _function.call();
00037 }
00038 
00039 } // namespace mbed