FunctionPointer.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 "FunctionPointer.h"
00017 
00018 namespace mbed {
00019 
00020 FunctionPointer::FunctionPointer(void (*function)(void)): _function(),
00021                                                           _object(),
00022                                                           _membercaller() {
00023     attach(function);
00024 }
00025 
00026 void FunctionPointer::attach(void (*function)(void)) {
00027     _function = function;
00028     _object = 0;
00029 }
00030 
00031 void FunctionPointer::call(void) {
00032     if (_function) {
00033         _function();
00034     } else if (_object) {
00035         _membercaller(_object, _member);
00036     }
00037 }
00038 
00039 #ifdef MBED_OPERATORS
00040 void FunctionPointer::operator ()(void) {
00041     call();
00042 }
00043 #endif
00044 
00045 } // namespace mbed