tmk_core/tool/mbed/mbed-sdk/libraries/mbed/common/Ticker.cpp

   1 /* mbed Microcontroller Library
   2  * Copyright (c) 2006-2013 ARM Limited
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 #include "Ticker.h"
  17
  18 #include "TimerEvent.h"
  19 #include "FunctionPointer.h"
  20
  21 namespace mbed {
  22
  23 void Ticker::detach() {
  24     remove();
  25     _function.attach(0);
  26 }
  27
  28 void Ticker::setup(timestamp_t t) {
  29     remove();
  30     _delay = t;
  31     insert(_delay + us_ticker_read());
  32 }
  33
  34 void Ticker::handler() {
  35     insert(event.timestamp + _delay);
  36     _function.call();
  37 }
  38
  39 } // namespace mbed