不韋 呂 / F746_SD_BitmapViewer

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Dependencies:   SDFileSystem_Warning_Fixed F746_GUI

mbed_src_STM32F7/api/CallChain.h@1:bb146d5fe9aa, 2018-10-23 (annotated)

Committer:
MikamiUitOpen
Date:
Tue Oct 23 11:51:47 2018 +0000
Revision:
1:bb146d5fe9aa
Parent:
0:f62ffd3644bf 
2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:f62ffd3644bf 1 /* mbed Microcontroller Library
MikamiUitOpen 0:f62ffd3644bf 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 0:f62ffd3644bf 3 *
MikamiUitOpen 0:f62ffd3644bf 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 0:f62ffd3644bf 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 0:f62ffd3644bf 6 * You may obtain a copy of the License at
MikamiUitOpen 0:f62ffd3644bf 7 *
MikamiUitOpen 0:f62ffd3644bf 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 0:f62ffd3644bf 9 *
MikamiUitOpen 0:f62ffd3644bf 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 0:f62ffd3644bf 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 0:f62ffd3644bf 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 0:f62ffd3644bf 13 * See the License for the specific language governing permissions and
MikamiUitOpen 0:f62ffd3644bf 14 * limitations under the License.
MikamiUitOpen 0:f62ffd3644bf 15 */
MikamiUitOpen 0:f62ffd3644bf 16 #ifndef MBED_CALLCHAIN_H
MikamiUitOpen 0:f62ffd3644bf 17 #define MBED_CALLCHAIN_H
MikamiUitOpen 0:f62ffd3644bf 18
MikamiUitOpen 0:f62ffd3644bf 19 #include "FunctionPointer.h"
MikamiUitOpen 0:f62ffd3644bf 20 #include <string.h>
MikamiUitOpen 0:f62ffd3644bf 21
MikamiUitOpen 0:f62ffd3644bf 22 namespace mbed {
MikamiUitOpen 0:f62ffd3644bf 23
MikamiUitOpen 0:f62ffd3644bf 24 /** Group one or more functions in an instance of a CallChain, then call them in
MikamiUitOpen 0:f62ffd3644bf 25 * sequence using CallChain::call(). Used mostly by the interrupt chaining code,
MikamiUitOpen 0:f62ffd3644bf 26 * but can be used for other purposes.
MikamiUitOpen 0:f62ffd3644bf 27 *
MikamiUitOpen 0:f62ffd3644bf 28 * Example:
MikamiUitOpen 0:f62ffd3644bf 29 * @code
MikamiUitOpen 0:f62ffd3644bf 30 * #include "mbed.h"
MikamiUitOpen 0:f62ffd3644bf 31 *
MikamiUitOpen 0:f62ffd3644bf 32 * CallChain chain;
MikamiUitOpen 0:f62ffd3644bf 33 *
MikamiUitOpen 0:f62ffd3644bf 34 * void first(void) {
MikamiUitOpen 0:f62ffd3644bf 35 * printf("'first' function.\n");
MikamiUitOpen 0:f62ffd3644bf 36 * }
MikamiUitOpen 0:f62ffd3644bf 37 *
MikamiUitOpen 0:f62ffd3644bf 38 * void second(void) {
MikamiUitOpen 0:f62ffd3644bf 39 * printf("'second' function.\n");
MikamiUitOpen 0:f62ffd3644bf 40 * }
MikamiUitOpen 0:f62ffd3644bf 41 *
MikamiUitOpen 0:f62ffd3644bf 42 * class Test {
MikamiUitOpen 0:f62ffd3644bf 43 * public:
MikamiUitOpen 0:f62ffd3644bf 44 * void f(void) {
MikamiUitOpen 0:f62ffd3644bf 45 * printf("A::f (class member).\n");
MikamiUitOpen 0:f62ffd3644bf 46 * }
MikamiUitOpen 0:f62ffd3644bf 47 * };
MikamiUitOpen 0:f62ffd3644bf 48 *
MikamiUitOpen 0:f62ffd3644bf 49 * int main() {
MikamiUitOpen 0:f62ffd3644bf 50 * Test test;
MikamiUitOpen 0:f62ffd3644bf 51 *
MikamiUitOpen 0:f62ffd3644bf 52 * chain.add(second);
MikamiUitOpen 0:f62ffd3644bf 53 * chain.add_front(first);
MikamiUitOpen 0:f62ffd3644bf 54 * chain.add(&test, &Test::f);
MikamiUitOpen 0:f62ffd3644bf 55 * chain.call();
MikamiUitOpen 0:f62ffd3644bf 56 * }
MikamiUitOpen 0:f62ffd3644bf 57 * @endcode
MikamiUitOpen 0:f62ffd3644bf 58 */
MikamiUitOpen 0:f62ffd3644bf 59
MikamiUitOpen 0:f62ffd3644bf 60 typedef FunctionPointer* pFunctionPointer_t;
MikamiUitOpen 0:f62ffd3644bf 61
MikamiUitOpen 0:f62ffd3644bf 62 class CallChain {
MikamiUitOpen 0:f62ffd3644bf 63 public:
MikamiUitOpen 0:f62ffd3644bf 64 /** Create an empty chain
MikamiUitOpen 0:f62ffd3644bf 65 *
MikamiUitOpen 0:f62ffd3644bf 66 * @param size (optional) Initial size of the chain
MikamiUitOpen 0:f62ffd3644bf 67 */
MikamiUitOpen 0:f62ffd3644bf 68 CallChain(int size = 4);
MikamiUitOpen 0:f62ffd3644bf 69 virtual ~CallChain();
MikamiUitOpen 0:f62ffd3644bf 70
MikamiUitOpen 0:f62ffd3644bf 71 /** Add a function at the end of the chain
MikamiUitOpen 0:f62ffd3644bf 72 *
MikamiUitOpen 0:f62ffd3644bf 73 * @param function A pointer to a void function
MikamiUitOpen 0:f62ffd3644bf 74 *
MikamiUitOpen 0:f62ffd3644bf 75 * @returns
MikamiUitOpen 0:f62ffd3644bf 76 * The function object created for 'function'
MikamiUitOpen 0:f62ffd3644bf 77 */
MikamiUitOpen 0:f62ffd3644bf 78 pFunctionPointer_t add(void (*function)(void));
MikamiUitOpen 0:f62ffd3644bf 79
MikamiUitOpen 0:f62ffd3644bf 80 /** Add a function at the end of the chain
MikamiUitOpen 0:f62ffd3644bf 81 *
MikamiUitOpen 0:f62ffd3644bf 82 * @param tptr pointer to the object to call the member function on
MikamiUitOpen 0:f62ffd3644bf 83 * @param mptr pointer to the member function to be called
MikamiUitOpen 0:f62ffd3644bf 84 *
MikamiUitOpen 0:f62ffd3644bf 85 * @returns
MikamiUitOpen 0:f62ffd3644bf 86 * The function object created for 'tptr' and 'mptr'
MikamiUitOpen 0:f62ffd3644bf 87 */
MikamiUitOpen 0:f62ffd3644bf 88 template<typename T>
MikamiUitOpen 0:f62ffd3644bf 89 pFunctionPointer_t add(T *tptr, void (T::*mptr)(void)) {
MikamiUitOpen 0:f62ffd3644bf 90 return common_add(new FunctionPointer(tptr, mptr));
MikamiUitOpen 0:f62ffd3644bf 91 }
MikamiUitOpen 0:f62ffd3644bf 92
MikamiUitOpen 0:f62ffd3644bf 93 /** Add a function at the beginning of the chain
MikamiUitOpen 0:f62ffd3644bf 94 *
MikamiUitOpen 0:f62ffd3644bf 95 * @param function A pointer to a void function
MikamiUitOpen 0:f62ffd3644bf 96 *
MikamiUitOpen 0:f62ffd3644bf 97 * @returns
MikamiUitOpen 0:f62ffd3644bf 98 * The function object created for 'function'
MikamiUitOpen 0:f62ffd3644bf 99 */
MikamiUitOpen 0:f62ffd3644bf 100 pFunctionPointer_t add_front(void (*function)(void));
MikamiUitOpen 0:f62ffd3644bf 101
MikamiUitOpen 0:f62ffd3644bf 102 /** Add a function at the beginning of the chain
MikamiUitOpen 0:f62ffd3644bf 103 *
MikamiUitOpen 0:f62ffd3644bf 104 * @param tptr pointer to the object to call the member function on
MikamiUitOpen 0:f62ffd3644bf 105 * @param mptr pointer to the member function to be called
MikamiUitOpen 0:f62ffd3644bf 106 *
MikamiUitOpen 0:f62ffd3644bf 107 * @returns
MikamiUitOpen 0:f62ffd3644bf 108 * The function object created for 'tptr' and 'mptr'
MikamiUitOpen 0:f62ffd3644bf 109 */
MikamiUitOpen 0:f62ffd3644bf 110 template<typename T>
MikamiUitOpen 0:f62ffd3644bf 111 pFunctionPointer_t add_front(T *tptr, void (T::*mptr)(void)) {
MikamiUitOpen 0:f62ffd3644bf 112 return common_add_front(new FunctionPointer(tptr, mptr));
MikamiUitOpen 0:f62ffd3644bf 113 }
MikamiUitOpen 0:f62ffd3644bf 114
MikamiUitOpen 0:f62ffd3644bf 115 /** Get the number of functions in the chain
MikamiUitOpen 0:f62ffd3644bf 116 */
MikamiUitOpen 0:f62ffd3644bf 117 int size() const;
MikamiUitOpen 0:f62ffd3644bf 118
MikamiUitOpen 0:f62ffd3644bf 119 /** Get a function object from the chain
MikamiUitOpen 0:f62ffd3644bf 120 *
MikamiUitOpen 0:f62ffd3644bf 121 * @param i function object index
MikamiUitOpen 0:f62ffd3644bf 122 *
MikamiUitOpen 0:f62ffd3644bf 123 * @returns
MikamiUitOpen 0:f62ffd3644bf 124 * The function object at position 'i' in the chain
MikamiUitOpen 0:f62ffd3644bf 125 */
MikamiUitOpen 0:f62ffd3644bf 126 pFunctionPointer_t get(int i) const;
MikamiUitOpen 0:f62ffd3644bf 127
MikamiUitOpen 0:f62ffd3644bf 128 /** Look for a function object in the call chain
MikamiUitOpen 0:f62ffd3644bf 129 *
MikamiUitOpen 0:f62ffd3644bf 130 * @param f the function object to search
MikamiUitOpen 0:f62ffd3644bf 131 *
MikamiUitOpen 0:f62ffd3644bf 132 * @returns
MikamiUitOpen 0:f62ffd3644bf 133 * The index of the function object if found, -1 otherwise.
MikamiUitOpen 0:f62ffd3644bf 134 */
MikamiUitOpen 0:f62ffd3644bf 135 int find(pFunctionPointer_t f) const;
MikamiUitOpen 0:f62ffd3644bf 136
MikamiUitOpen 0:f62ffd3644bf 137 /** Clear the call chain (remove all functions in the chain).
MikamiUitOpen 0:f62ffd3644bf 138 */
MikamiUitOpen 0:f62ffd3644bf 139 void clear();
MikamiUitOpen 0:f62ffd3644bf 140
MikamiUitOpen 0:f62ffd3644bf 141 /** Remove a function object from the chain
MikamiUitOpen 0:f62ffd3644bf 142 *
MikamiUitOpen 0:f62ffd3644bf 143 * @arg f the function object to remove
MikamiUitOpen 0:f62ffd3644bf 144 *
MikamiUitOpen 0:f62ffd3644bf 145 * @returns
MikamiUitOpen 0:f62ffd3644bf 146 * true if the function object was found and removed, false otherwise.
MikamiUitOpen 0:f62ffd3644bf 147 */
MikamiUitOpen 0:f62ffd3644bf 148 bool remove(pFunctionPointer_t f);
MikamiUitOpen 0:f62ffd3644bf 149
MikamiUitOpen 0:f62ffd3644bf 150 /** Call all the functions in the chain in sequence
MikamiUitOpen 0:f62ffd3644bf 151 */
MikamiUitOpen 0:f62ffd3644bf 152 void call();
MikamiUitOpen 0:f62ffd3644bf 153
MikamiUitOpen 0:f62ffd3644bf 154 #ifdef MBED_OPERATORS
MikamiUitOpen 0:f62ffd3644bf 155 void operator ()(void) {
MikamiUitOpen 0:f62ffd3644bf 156 call();
MikamiUitOpen 0:f62ffd3644bf 157 }
MikamiUitOpen 0:f62ffd3644bf 158 pFunctionPointer_t operator [](int i) const {
MikamiUitOpen 0:f62ffd3644bf 159 return get(i);
MikamiUitOpen 0:f62ffd3644bf 160 }
MikamiUitOpen 0:f62ffd3644bf 161 #endif
MikamiUitOpen 0:f62ffd3644bf 162
MikamiUitOpen 0:f62ffd3644bf 163 private:
MikamiUitOpen 0:f62ffd3644bf 164 void _check_size();
MikamiUitOpen 0:f62ffd3644bf 165 pFunctionPointer_t common_add(pFunctionPointer_t pf);
MikamiUitOpen 0:f62ffd3644bf 166 pFunctionPointer_t common_add_front(pFunctionPointer_t pf);
MikamiUitOpen 0:f62ffd3644bf 167
MikamiUitOpen 0:f62ffd3644bf 168 pFunctionPointer_t* _chain;
MikamiUitOpen 0:f62ffd3644bf 169 int _size;
MikamiUitOpen 0:f62ffd3644bf 170 int _elements;
MikamiUitOpen 0:f62ffd3644bf 171
MikamiUitOpen 0:f62ffd3644bf 172 /* disallow copy constructor and assignment operators */
MikamiUitOpen 0:f62ffd3644bf 173 private:
MikamiUitOpen 0:f62ffd3644bf 174 CallChain(const CallChain&);
MikamiUitOpen 0:f62ffd3644bf 175 CallChain & operator = (const CallChain&);
MikamiUitOpen 0:f62ffd3644bf 176 };
MikamiUitOpen 0:f62ffd3644bf 177
MikamiUitOpen 0:f62ffd3644bf 178 } // namespace mbed
MikamiUitOpen 0:f62ffd3644bf 179
MikamiUitOpen 0:f62ffd3644bf 180 #endif
MikamiUitOpen 0:f62ffd3644bf 181