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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

api/FunctionPointer.h@9:0ce32e54c9a7, 2013-06-10 (annotated)

Committer:
emilmont
Date:
Mon Jun 10 16:03:00 2013 +0100
Revision:
9:0ce32e54c9a7
Parent:
cpp/FunctionPointer.h@2:143cac498751
Child:
10:3bc89ef62ce7
Refactoring of the mbed SDK:

- Provide a well defined HAL and API

- Keep separated the HAL implementations for the different targets

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
emilmont 2:143cac498751 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
emilmont 2:143cac498751 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 2:143cac498751 5 * you may not use this file except in compliance with the License.
emilmont 2:143cac498751 6 * You may obtain a copy of the License at
mbed_official 0:fd0d7bdfcdc2 7 *
emilmont 2:143cac498751 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 0:fd0d7bdfcdc2 9 *
emilmont 2:143cac498751 10 * Unless required by applicable law or agreed to in writing, software
emilmont 2:143cac498751 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 2:143cac498751 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 2:143cac498751 13 * See the License for the specific language governing permissions and
emilmont 2:143cac498751 14 * limitations under the License.
mbed_official 0:fd0d7bdfcdc2 15 */
mbed_official 0:fd0d7bdfcdc2 16 #ifndef MBED_FUNCTIONPOINTER_H
mbed_official 0:fd0d7bdfcdc2 17 #define MBED_FUNCTIONPOINTER_H
mbed_official 0:fd0d7bdfcdc2 18
mbed_official 0:fd0d7bdfcdc2 19 #include <string.h>
mbed_official 0:fd0d7bdfcdc2 20
emilmont 2:143cac498751 21 namespace mbed {
mbed_official 0:fd0d7bdfcdc2 22
mbed_official 0:fd0d7bdfcdc2 23 /** A class for storing and calling a pointer to a static or member void function
mbed_official 0:fd0d7bdfcdc2 24 */
mbed_official 0:fd0d7bdfcdc2 25 class FunctionPointer {
mbed_official 0:fd0d7bdfcdc2 26 public:
mbed_official 0:fd0d7bdfcdc2 27
mbed_official 0:fd0d7bdfcdc2 28 /** Create a FunctionPointer, attaching a static function
emilmont 2:143cac498751 29 *
mbed_official 0:fd0d7bdfcdc2 30 * @param function The void static function to attach (default is none)
mbed_official 0:fd0d7bdfcdc2 31 */
mbed_official 0:fd0d7bdfcdc2 32 FunctionPointer(void (*function)(void) = 0);
mbed_official 0:fd0d7bdfcdc2 33
mbed_official 0:fd0d7bdfcdc2 34 /** Create a FunctionPointer, attaching a member function
emilmont 2:143cac498751 35 *
mbed_official 0:fd0d7bdfcdc2 36 * @param object The object pointer to invoke the member function on (i.e. the this pointer)
emilmont 2:143cac498751 37 * @param function The address of the void member function to attach
mbed_official 0:fd0d7bdfcdc2 38 */
mbed_official 0:fd0d7bdfcdc2 39 template<typename T>
mbed_official 0:fd0d7bdfcdc2 40 FunctionPointer(T *object, void (T::*member)(void)) {
mbed_official 0:fd0d7bdfcdc2 41 attach(object, member);
mbed_official 0:fd0d7bdfcdc2 42 }
emilmont 2:143cac498751 43
mbed_official 0:fd0d7bdfcdc2 44 /** Attach a static function
emilmont 2:143cac498751 45 *
mbed_official 0:fd0d7bdfcdc2 46 * @param function The void static function to attach (default is none)
mbed_official 0:fd0d7bdfcdc2 47 */
mbed_official 0:fd0d7bdfcdc2 48 void attach(void (*function)(void) = 0);
emilmont 2:143cac498751 49
mbed_official 0:fd0d7bdfcdc2 50 /** Attach a member function
emilmont 2:143cac498751 51 *
mbed_official 0:fd0d7bdfcdc2 52 * @param object The object pointer to invoke the member function on (i.e. the this pointer)
emilmont 2:143cac498751 53 * @param function The address of the void member function to attach
mbed_official 0:fd0d7bdfcdc2 54 */
mbed_official 0:fd0d7bdfcdc2 55 template<typename T>
mbed_official 0:fd0d7bdfcdc2 56 void attach(T *object, void (T::*member)(void)) {
mbed_official 0:fd0d7bdfcdc2 57 _object = static_cast<void*>(object);
mbed_official 0:fd0d7bdfcdc2 58 memcpy(_member, (char*)&member, sizeof(member));
mbed_official 0:fd0d7bdfcdc2 59 _membercaller = &FunctionPointer::membercaller<T>;
mbed_official 0:fd0d7bdfcdc2 60 _function = 0;
mbed_official 0:fd0d7bdfcdc2 61 }
emilmont 2:143cac498751 62
mbed_official 0:fd0d7bdfcdc2 63 /** Call the attached static or member function
mbed_official 0:fd0d7bdfcdc2 64 */
mbed_official 0:fd0d7bdfcdc2 65 void call();
mbed_official 0:fd0d7bdfcdc2 66
mbed_official 0:fd0d7bdfcdc2 67 private:
mbed_official 0:fd0d7bdfcdc2 68 template<typename T>
mbed_official 0:fd0d7bdfcdc2 69 static void membercaller(void *object, char *member) {
mbed_official 0:fd0d7bdfcdc2 70 T* o = static_cast<T*>(object);
mbed_official 0:fd0d7bdfcdc2 71 void (T::*m)(void);
mbed_official 0:fd0d7bdfcdc2 72 memcpy((char*)&m, member, sizeof(m));
mbed_official 0:fd0d7bdfcdc2 73 (o->*m)();
mbed_official 0:fd0d7bdfcdc2 74 }
emilmont 2:143cac498751 75
mbed_official 0:fd0d7bdfcdc2 76 void (*_function)(void); // static function pointer - 0 if none attached
mbed_official 0:fd0d7bdfcdc2 77 void *_object; // object this pointer - 0 if none attached
mbed_official 0:fd0d7bdfcdc2 78 char _member[16]; // raw member function pointer storage - converted back by registered _membercaller
mbed_official 0:fd0d7bdfcdc2 79 void (*_membercaller)(void*, char*); // registered membercaller function to convert back and call _member on _object
mbed_official 0:fd0d7bdfcdc2 80 };
mbed_official 0:fd0d7bdfcdc2 81
mbed_official 0:fd0d7bdfcdc2 82 } // namespace mbed
mbed_official 0:fd0d7bdfcdc2 83
mbed_official 0:fd0d7bdfcdc2 84 #endif