mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

cpp/FunctionPointer.h@0:fd0d7bdfcdc2, 2012-11-20 (annotated)

Committer:
mbed_official
Date:
Tue Nov 20 17:24:08 2012 +0000
Revision:
0:fd0d7bdfcdc2
Child:
2:143cac498751
mbed sources

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
mbed_official 0:fd0d7bdfcdc2 2 * Copyright (c) 2006-2012 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
mbed_official 0:fd0d7bdfcdc2 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
mbed_official 0:fd0d7bdfcdc2 5 * of this software and associated documentation files (the "Software"), to deal
mbed_official 0:fd0d7bdfcdc2 6 * in the Software without restriction, including without limitation the rights
mbed_official 0:fd0d7bdfcdc2 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mbed_official 0:fd0d7bdfcdc2 8 * copies of the Software, and to permit persons to whom the Software is
mbed_official 0:fd0d7bdfcdc2 9 * furnished to do so, subject to the following conditions:
mbed_official 0:fd0d7bdfcdc2 10 *
mbed_official 0:fd0d7bdfcdc2 11 * The above copyright notice and this permission notice shall be included in
mbed_official 0:fd0d7bdfcdc2 12 * all copies or substantial portions of the Software.
mbed_official 0:fd0d7bdfcdc2 13 *
mbed_official 0:fd0d7bdfcdc2 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mbed_official 0:fd0d7bdfcdc2 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mbed_official 0:fd0d7bdfcdc2 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mbed_official 0:fd0d7bdfcdc2 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mbed_official 0:fd0d7bdfcdc2 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbed_official 0:fd0d7bdfcdc2 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
mbed_official 0:fd0d7bdfcdc2 20 * SOFTWARE.
mbed_official 0:fd0d7bdfcdc2 21 */
mbed_official 0:fd0d7bdfcdc2 22 #ifndef MBED_FUNCTIONPOINTER_H
mbed_official 0:fd0d7bdfcdc2 23 #define MBED_FUNCTIONPOINTER_H
mbed_official 0:fd0d7bdfcdc2 24
mbed_official 0:fd0d7bdfcdc2 25 #include <string.h>
mbed_official 0:fd0d7bdfcdc2 26
mbed_official 0:fd0d7bdfcdc2 27 namespace mbed {
mbed_official 0:fd0d7bdfcdc2 28
mbed_official 0:fd0d7bdfcdc2 29 /** A class for storing and calling a pointer to a static or member void function
mbed_official 0:fd0d7bdfcdc2 30 */
mbed_official 0:fd0d7bdfcdc2 31 class FunctionPointer {
mbed_official 0:fd0d7bdfcdc2 32 public:
mbed_official 0:fd0d7bdfcdc2 33
mbed_official 0:fd0d7bdfcdc2 34 /** Create a FunctionPointer, attaching a static function
mbed_official 0:fd0d7bdfcdc2 35 *
mbed_official 0:fd0d7bdfcdc2 36 * @param function The void static function to attach (default is none)
mbed_official 0:fd0d7bdfcdc2 37 */
mbed_official 0:fd0d7bdfcdc2 38 FunctionPointer(void (*function)(void) = 0);
mbed_official 0:fd0d7bdfcdc2 39
mbed_official 0:fd0d7bdfcdc2 40 /** Create a FunctionPointer, attaching a member function
mbed_official 0:fd0d7bdfcdc2 41 *
mbed_official 0:fd0d7bdfcdc2 42 * @param object The object pointer to invoke the member function on (i.e. the this pointer)
mbed_official 0:fd0d7bdfcdc2 43 * @param function The address of the void member function to attach
mbed_official 0:fd0d7bdfcdc2 44 */
mbed_official 0:fd0d7bdfcdc2 45 template<typename T>
mbed_official 0:fd0d7bdfcdc2 46 FunctionPointer(T *object, void (T::*member)(void)) {
mbed_official 0:fd0d7bdfcdc2 47 attach(object, member);
mbed_official 0:fd0d7bdfcdc2 48 }
mbed_official 0:fd0d7bdfcdc2 49
mbed_official 0:fd0d7bdfcdc2 50 /** Attach a static function
mbed_official 0:fd0d7bdfcdc2 51 *
mbed_official 0:fd0d7bdfcdc2 52 * @param function The void static function to attach (default is none)
mbed_official 0:fd0d7bdfcdc2 53 */
mbed_official 0:fd0d7bdfcdc2 54 void attach(void (*function)(void) = 0);
mbed_official 0:fd0d7bdfcdc2 55
mbed_official 0:fd0d7bdfcdc2 56 /** Attach a member function
mbed_official 0:fd0d7bdfcdc2 57 *
mbed_official 0:fd0d7bdfcdc2 58 * @param object The object pointer to invoke the member function on (i.e. the this pointer)
mbed_official 0:fd0d7bdfcdc2 59 * @param function The address of the void member function to attach
mbed_official 0:fd0d7bdfcdc2 60 */
mbed_official 0:fd0d7bdfcdc2 61 template<typename T>
mbed_official 0:fd0d7bdfcdc2 62 void attach(T *object, void (T::*member)(void)) {
mbed_official 0:fd0d7bdfcdc2 63 _object = static_cast<void*>(object);
mbed_official 0:fd0d7bdfcdc2 64 memcpy(_member, (char*)&member, sizeof(member));
mbed_official 0:fd0d7bdfcdc2 65 _membercaller = &FunctionPointer::membercaller<T>;
mbed_official 0:fd0d7bdfcdc2 66 _function = 0;
mbed_official 0:fd0d7bdfcdc2 67 }
mbed_official 0:fd0d7bdfcdc2 68
mbed_official 0:fd0d7bdfcdc2 69 /** Call the attached static or member function
mbed_official 0:fd0d7bdfcdc2 70 */
mbed_official 0:fd0d7bdfcdc2 71 void call();
mbed_official 0:fd0d7bdfcdc2 72
mbed_official 0:fd0d7bdfcdc2 73 private:
mbed_official 0:fd0d7bdfcdc2 74 template<typename T>
mbed_official 0:fd0d7bdfcdc2 75 static void membercaller(void *object, char *member) {
mbed_official 0:fd0d7bdfcdc2 76 T* o = static_cast<T*>(object);
mbed_official 0:fd0d7bdfcdc2 77 void (T::*m)(void);
mbed_official 0:fd0d7bdfcdc2 78 memcpy((char*)&m, member, sizeof(m));
mbed_official 0:fd0d7bdfcdc2 79 (o->*m)();
mbed_official 0:fd0d7bdfcdc2 80 }
mbed_official 0:fd0d7bdfcdc2 81
mbed_official 0:fd0d7bdfcdc2 82 void (*_function)(void); // static function pointer - 0 if none attached
mbed_official 0:fd0d7bdfcdc2 83 void *_object; // object this pointer - 0 if none attached
mbed_official 0:fd0d7bdfcdc2 84 char _member[16]; // raw member function pointer storage - converted back by registered _membercaller
mbed_official 0:fd0d7bdfcdc2 85 void (*_membercaller)(void*, char*); // registered membercaller function to convert back and call _member on _object
mbed_official 0:fd0d7bdfcdc2 86 };
mbed_official 0:fd0d7bdfcdc2 87
mbed_official 0:fd0d7bdfcdc2 88 } // namespace mbed
mbed_official 0:fd0d7bdfcdc2 89
mbed_official 0:fd0d7bdfcdc2 90 #endif