DSP Book Yeditepe / mbed_f401re

mbed library sources with internal temperature sensor for nucleo f401

api/FunctionPointer.h@0:7e2bd16f80af, 2015-01-17 (annotated)

Committer:
elessair
Date:
Sat Jan 17 18:03:58 2015 +0000
Revision:
0:7e2bd16f80af
nucleo f401re internal temperature added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:7e2bd16f80af 1 /* mbed Microcontroller Library
elessair 0:7e2bd16f80af 2 * Copyright (c) 2006-2013 ARM Limited
elessair 0:7e2bd16f80af 3 *
elessair 0:7e2bd16f80af 4 * Licensed under the Apache License, Version 2.0 (the "License");
elessair 0:7e2bd16f80af 5 * you may not use this file except in compliance with the License.
elessair 0:7e2bd16f80af 6 * You may obtain a copy of the License at
elessair 0:7e2bd16f80af 7 *
elessair 0:7e2bd16f80af 8 * http://www.apache.org/licenses/LICENSE-2.0
elessair 0:7e2bd16f80af 9 *
elessair 0:7e2bd16f80af 10 * Unless required by applicable law or agreed to in writing, software
elessair 0:7e2bd16f80af 11 * distributed under the License is distributed on an "AS IS" BASIS,
elessair 0:7e2bd16f80af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:7e2bd16f80af 13 * See the License for the specific language governing permissions and
elessair 0:7e2bd16f80af 14 * limitations under the License.
elessair 0:7e2bd16f80af 15 */
elessair 0:7e2bd16f80af 16 #ifndef MBED_FUNCTIONPOINTER_H
elessair 0:7e2bd16f80af 17 #define MBED_FUNCTIONPOINTER_H
elessair 0:7e2bd16f80af 18
elessair 0:7e2bd16f80af 19 #include <string.h>
elessair 0:7e2bd16f80af 20
elessair 0:7e2bd16f80af 21 namespace mbed {
elessair 0:7e2bd16f80af 22
elessair 0:7e2bd16f80af 23 typedef void (*pvoidf_t)(void);
elessair 0:7e2bd16f80af 24
elessair 0:7e2bd16f80af 25 /** A class for storing and calling a pointer to a static or member void function
elessair 0:7e2bd16f80af 26 */
elessair 0:7e2bd16f80af 27 class FunctionPointer {
elessair 0:7e2bd16f80af 28 public:
elessair 0:7e2bd16f80af 29
elessair 0:7e2bd16f80af 30 /** Create a FunctionPointer, attaching a static function
elessair 0:7e2bd16f80af 31 *
elessair 0:7e2bd16f80af 32 * @param function The void static function to attach (default is none)
elessair 0:7e2bd16f80af 33 */
elessair 0:7e2bd16f80af 34 FunctionPointer(void (*function)(void) = 0);
elessair 0:7e2bd16f80af 35
elessair 0:7e2bd16f80af 36 /** Create a FunctionPointer, attaching a member function
elessair 0:7e2bd16f80af 37 *
elessair 0:7e2bd16f80af 38 * @param object The object pointer to invoke the member function on (i.e. the this pointer)
elessair 0:7e2bd16f80af 39 * @param function The address of the void member function to attach
elessair 0:7e2bd16f80af 40 */
elessair 0:7e2bd16f80af 41 template<typename T>
elessair 0:7e2bd16f80af 42 FunctionPointer(T *object, void (T::*member)(void)) {
elessair 0:7e2bd16f80af 43 attach(object, member);
elessair 0:7e2bd16f80af 44 }
elessair 0:7e2bd16f80af 45
elessair 0:7e2bd16f80af 46 /** Attach a static function
elessair 0:7e2bd16f80af 47 *
elessair 0:7e2bd16f80af 48 * @param function The void static function to attach (default is none)
elessair 0:7e2bd16f80af 49 */
elessair 0:7e2bd16f80af 50 void attach(void (*function)(void) = 0);
elessair 0:7e2bd16f80af 51
elessair 0:7e2bd16f80af 52 /** Attach a member function
elessair 0:7e2bd16f80af 53 *
elessair 0:7e2bd16f80af 54 * @param object The object pointer to invoke the member function on (i.e. the this pointer)
elessair 0:7e2bd16f80af 55 * @param function The address of the void member function to attach
elessair 0:7e2bd16f80af 56 */
elessair 0:7e2bd16f80af 57 template<typename T>
elessair 0:7e2bd16f80af 58 void attach(T *object, void (T::*member)(void)) {
elessair 0:7e2bd16f80af 59 _object = static_cast<void*>(object);
elessair 0:7e2bd16f80af 60 memcpy(_member, (char*)&member, sizeof(member));
elessair 0:7e2bd16f80af 61 _membercaller = &FunctionPointer::membercaller<T>;
elessair 0:7e2bd16f80af 62 _function = 0;
elessair 0:7e2bd16f80af 63 }
elessair 0:7e2bd16f80af 64
elessair 0:7e2bd16f80af 65 /** Call the attached static or member function
elessair 0:7e2bd16f80af 66 */
elessair 0:7e2bd16f80af 67 void call();
elessair 0:7e2bd16f80af 68
elessair 0:7e2bd16f80af 69 pvoidf_t get_function() const {
elessair 0:7e2bd16f80af 70 return (pvoidf_t)_function;
elessair 0:7e2bd16f80af 71 }
elessair 0:7e2bd16f80af 72
elessair 0:7e2bd16f80af 73 #ifdef MBED_OPERATORS
elessair 0:7e2bd16f80af 74 void operator ()(void);
elessair 0:7e2bd16f80af 75 #endif
elessair 0:7e2bd16f80af 76
elessair 0:7e2bd16f80af 77 private:
elessair 0:7e2bd16f80af 78 template<typename T>
elessair 0:7e2bd16f80af 79 static void membercaller(void *object, char *member) {
elessair 0:7e2bd16f80af 80 T* o = static_cast<T*>(object);
elessair 0:7e2bd16f80af 81 void (T::*m)(void);
elessair 0:7e2bd16f80af 82 memcpy((char*)&m, member, sizeof(m));
elessair 0:7e2bd16f80af 83 (o->*m)();
elessair 0:7e2bd16f80af 84 }
elessair 0:7e2bd16f80af 85
elessair 0:7e2bd16f80af 86 void (*_function)(void); // static function pointer - 0 if none attached
elessair 0:7e2bd16f80af 87 void *_object; // object this pointer - 0 if none attached
elessair 0:7e2bd16f80af 88 char _member[16]; // raw member function pointer storage - converted back by registered _membercaller
elessair 0:7e2bd16f80af 89 void (*_membercaller)(void*, char*); // registered membercaller function to convert back and call _member on _object
elessair 0:7e2bd16f80af 90 };
elessair 0:7e2bd16f80af 91
elessair 0:7e2bd16f80af 92 } // namespace mbed
elessair 0:7e2bd16f80af 93
elessair 0:7e2bd16f80af 94 #endif