David DiCarlo / mbed-src-KL05Z-smart-sensor

Fork of mbed for KL05Z based smart sensor which has no crystal on the board, so MCG FEI mode is required.

Dependents:   smart-sensor-KL05Z-debug

Fork of mbed-src by Ermanno Brusadin

api/FunctionPointer.h@1:da408b460382, 2018-01-29 (annotated)

Committer:
r14793
Date:
Mon Jan 29 15:38:37 2018 +0000
Revision:
1:da408b460382
Parent:
0:0a673c671a56 
changed KL05 MCG mode to FEI for smart sensor boards (no crystal)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ebrus 0:0a673c671a56 1 /* mbed Microcontroller Library
ebrus 0:0a673c671a56 2 * Copyright (c) 2006-2013 ARM Limited
ebrus 0:0a673c671a56 3 *
ebrus 0:0a673c671a56 4 * Licensed under the Apache License, Version 2.0 (the "License");
ebrus 0:0a673c671a56 5 * you may not use this file except in compliance with the License.
ebrus 0:0a673c671a56 6 * You may obtain a copy of the License at
ebrus 0:0a673c671a56 7 *
ebrus 0:0a673c671a56 8 * http://www.apache.org/licenses/LICENSE-2.0
ebrus 0:0a673c671a56 9 *
ebrus 0:0a673c671a56 10 * Unless required by applicable law or agreed to in writing, software
ebrus 0:0a673c671a56 11 * distributed under the License is distributed on an "AS IS" BASIS,
ebrus 0:0a673c671a56 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ebrus 0:0a673c671a56 13 * See the License for the specific language governing permissions and
ebrus 0:0a673c671a56 14 * limitations under the License.
ebrus 0:0a673c671a56 15 */
ebrus 0:0a673c671a56 16 #ifndef MBED_FUNCTIONPOINTER_H
ebrus 0:0a673c671a56 17 #define MBED_FUNCTIONPOINTER_H
ebrus 0:0a673c671a56 18
ebrus 0:0a673c671a56 19 #include <string.h>
ebrus 0:0a673c671a56 20
ebrus 0:0a673c671a56 21 namespace mbed {
ebrus 0:0a673c671a56 22
ebrus 0:0a673c671a56 23 typedef void (*pvoidf_t)(void);
ebrus 0:0a673c671a56 24
ebrus 0:0a673c671a56 25 /** A class for storing and calling a pointer to a static or member void function
ebrus 0:0a673c671a56 26 */
ebrus 0:0a673c671a56 27 class FunctionPointer {
ebrus 0:0a673c671a56 28 public:
ebrus 0:0a673c671a56 29
ebrus 0:0a673c671a56 30 /** Create a FunctionPointer, attaching a static function
ebrus 0:0a673c671a56 31 *
ebrus 0:0a673c671a56 32 * @param function The void static function to attach (default is none)
ebrus 0:0a673c671a56 33 */
ebrus 0:0a673c671a56 34 FunctionPointer(void (*function)(void) = 0);
ebrus 0:0a673c671a56 35
ebrus 0:0a673c671a56 36 /** Create a FunctionPointer, attaching a member function
ebrus 0:0a673c671a56 37 *
ebrus 0:0a673c671a56 38 * @param object The object pointer to invoke the member function on (i.e. the this pointer)
ebrus 0:0a673c671a56 39 * @param function The address of the void member function to attach
ebrus 0:0a673c671a56 40 */
ebrus 0:0a673c671a56 41 template<typename T>
ebrus 0:0a673c671a56 42 FunctionPointer(T *object, void (T::*member)(void)) {
ebrus 0:0a673c671a56 43 attach(object, member);
ebrus 0:0a673c671a56 44 }
ebrus 0:0a673c671a56 45
ebrus 0:0a673c671a56 46 /** Attach a static function
ebrus 0:0a673c671a56 47 *
ebrus 0:0a673c671a56 48 * @param function The void static function to attach (default is none)
ebrus 0:0a673c671a56 49 */
ebrus 0:0a673c671a56 50 void attach(void (*function)(void) = 0);
ebrus 0:0a673c671a56 51
ebrus 0:0a673c671a56 52 /** Attach a member function
ebrus 0:0a673c671a56 53 *
ebrus 0:0a673c671a56 54 * @param object The object pointer to invoke the member function on (i.e. the this pointer)
ebrus 0:0a673c671a56 55 * @param function The address of the void member function to attach
ebrus 0:0a673c671a56 56 */
ebrus 0:0a673c671a56 57 template<typename T>
ebrus 0:0a673c671a56 58 void attach(T *object, void (T::*member)(void)) {
ebrus 0:0a673c671a56 59 _object = static_cast<void*>(object);
ebrus 0:0a673c671a56 60 memcpy(_member, (char*)&member, sizeof(member));
ebrus 0:0a673c671a56 61 _membercaller = &FunctionPointer::membercaller<T>;
ebrus 0:0a673c671a56 62 _function = 0;
ebrus 0:0a673c671a56 63 }
ebrus 0:0a673c671a56 64
ebrus 0:0a673c671a56 65 /** Call the attached static or member function
ebrus 0:0a673c671a56 66 */
ebrus 0:0a673c671a56 67 void call();
ebrus 0:0a673c671a56 68
ebrus 0:0a673c671a56 69 pvoidf_t get_function() const {
ebrus 0:0a673c671a56 70 return (pvoidf_t)_function;
ebrus 0:0a673c671a56 71 }
ebrus 0:0a673c671a56 72
ebrus 0:0a673c671a56 73 #ifdef MBED_OPERATORS
ebrus 0:0a673c671a56 74 void operator ()(void);
ebrus 0:0a673c671a56 75 #endif
ebrus 0:0a673c671a56 76
ebrus 0:0a673c671a56 77 private:
ebrus 0:0a673c671a56 78 template<typename T>
ebrus 0:0a673c671a56 79 static void membercaller(void *object, char *member) {
ebrus 0:0a673c671a56 80 T* o = static_cast<T*>(object);
ebrus 0:0a673c671a56 81 void (T::*m)(void);
ebrus 0:0a673c671a56 82 memcpy((char*)&m, member, sizeof(m));
ebrus 0:0a673c671a56 83 (o->*m)();
ebrus 0:0a673c671a56 84 }
ebrus 0:0a673c671a56 85
ebrus 0:0a673c671a56 86 void (*_function)(void); // static function pointer - 0 if none attached
ebrus 0:0a673c671a56 87 void *_object; // object this pointer - 0 if none attached
ebrus 0:0a673c671a56 88 char _member[16]; // raw member function pointer storage - converted back by registered _membercaller
ebrus 0:0a673c671a56 89 void (*_membercaller)(void*, char*); // registered membercaller function to convert back and call _member on _object
ebrus 0:0a673c671a56 90 };
ebrus 0:0a673c671a56 91
ebrus 0:0a673c671a56 92 } // namespace mbed
ebrus 0:0a673c671a56 93
ebrus 0:0a673c671a56 94 #endif