tmk_core/tool/mbed/mbed-sdk/libraries/mbed/common/FunctionPointer.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 "FunctionPointer.h"
  17
  18 namespace mbed {
  19
  20 FunctionPointer::FunctionPointer(void (*function)(void)): _function(),
  21                                                           _object(),
  22                                                           _membercaller() {
  23     attach(function);
  24 }
  25
  26 void FunctionPointer::attach(void (*function)(void)) {
  27     _function = function;
  28     _object = 0;
  29 }
  30
  31 void FunctionPointer::call(void) {
  32     if (_function) {
  33         _function();
  34     } else if (_object) {
  35         _membercaller(_object, _member);
  36     }
  37 }
  38
  39 #ifdef MBED_OPERATORS
  40 void FunctionPointer::operator ()(void) {
  41     call();
  42 }
  43 #endif
  44
  45 } // namespace mbed