不韋 呂 / F746_SD_Player_Demo

Demo program for library named SD_PlayerSkeleton of SD card player skeleton. SD カードプレーヤのための骨組みとして使うためのライブラリ SD_PlayerSkeleton の使用例．このプログラムについては，CQ出版社インターフェース誌 2018年7月号で解説している．

Dependencies:   F746_GUI F746_SAI_IO SD_PlayerSkeleton

mbed_src_STM32F7/api/CallChain.h@19:3c3833ec00d2, 2017-04-09 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Apr 09 12:44:17 2017 +0000
Revision:
19:3c3833ec00d2
Parent:
2:cf42e62a97dc 
20

Who changed what in which revision?

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MikamiUitOpen 2:cf42e62a97dc 1 /* mbed Microcontroller Library
MikamiUitOpen 2:cf42e62a97dc 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 2:cf42e62a97dc 3 *
MikamiUitOpen 2:cf42e62a97dc 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 2:cf42e62a97dc 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 2:cf42e62a97dc 6 * You may obtain a copy of the License at
MikamiUitOpen 2:cf42e62a97dc 7 *
MikamiUitOpen 2:cf42e62a97dc 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 2:cf42e62a97dc 9 *
MikamiUitOpen 2:cf42e62a97dc 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 2:cf42e62a97dc 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 2:cf42e62a97dc 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 2:cf42e62a97dc 13 * See the License for the specific language governing permissions and
MikamiUitOpen 2:cf42e62a97dc 14 * limitations under the License.
MikamiUitOpen 2:cf42e62a97dc 15 */
MikamiUitOpen 2:cf42e62a97dc 16 #ifndef MBED_CALLCHAIN_H
MikamiUitOpen 2:cf42e62a97dc 17 #define MBED_CALLCHAIN_H
MikamiUitOpen 2:cf42e62a97dc 18
MikamiUitOpen 2:cf42e62a97dc 19 #include "FunctionPointer.h"
MikamiUitOpen 2:cf42e62a97dc 20 #include <string.h>
MikamiUitOpen 2:cf42e62a97dc 21
MikamiUitOpen 2:cf42e62a97dc 22 namespace mbed {
MikamiUitOpen 2:cf42e62a97dc 23
MikamiUitOpen 2:cf42e62a97dc 24 /** Group one or more functions in an instance of a CallChain, then call them in
MikamiUitOpen 2:cf42e62a97dc 25 * sequence using CallChain::call(). Used mostly by the interrupt chaining code,
MikamiUitOpen 2:cf42e62a97dc 26 * but can be used for other purposes.
MikamiUitOpen 2:cf42e62a97dc 27 *
MikamiUitOpen 2:cf42e62a97dc 28 * Example:
MikamiUitOpen 2:cf42e62a97dc 29 * @code
MikamiUitOpen 2:cf42e62a97dc 30 * #include "mbed.h"
MikamiUitOpen 2:cf42e62a97dc 31 *
MikamiUitOpen 2:cf42e62a97dc 32 * CallChain chain;
MikamiUitOpen 2:cf42e62a97dc 33 *
MikamiUitOpen 2:cf42e62a97dc 34 * void first(void) {
MikamiUitOpen 2:cf42e62a97dc 35 * printf("'first' function.\n");
MikamiUitOpen 2:cf42e62a97dc 36 * }
MikamiUitOpen 2:cf42e62a97dc 37 *
MikamiUitOpen 2:cf42e62a97dc 38 * void second(void) {
MikamiUitOpen 2:cf42e62a97dc 39 * printf("'second' function.\n");
MikamiUitOpen 2:cf42e62a97dc 40 * }
MikamiUitOpen 2:cf42e62a97dc 41 *
MikamiUitOpen 2:cf42e62a97dc 42 * class Test {
MikamiUitOpen 2:cf42e62a97dc 43 * public:
MikamiUitOpen 2:cf42e62a97dc 44 * void f(void) {
MikamiUitOpen 2:cf42e62a97dc 45 * printf("A::f (class member).\n");
MikamiUitOpen 2:cf42e62a97dc 46 * }
MikamiUitOpen 2:cf42e62a97dc 47 * };
MikamiUitOpen 2:cf42e62a97dc 48 *
MikamiUitOpen 2:cf42e62a97dc 49 * int main() {
MikamiUitOpen 2:cf42e62a97dc 50 * Test test;
MikamiUitOpen 2:cf42e62a97dc 51 *
MikamiUitOpen 2:cf42e62a97dc 52 * chain.add(second);
MikamiUitOpen 2:cf42e62a97dc 53 * chain.add_front(first);
MikamiUitOpen 2:cf42e62a97dc 54 * chain.add(&test, &Test::f);
MikamiUitOpen 2:cf42e62a97dc 55 * chain.call();
MikamiUitOpen 2:cf42e62a97dc 56 * }
MikamiUitOpen 2:cf42e62a97dc 57 * @endcode
MikamiUitOpen 2:cf42e62a97dc 58 */
MikamiUitOpen 2:cf42e62a97dc 59
MikamiUitOpen 2:cf42e62a97dc 60 typedef FunctionPointer* pFunctionPointer_t;
MikamiUitOpen 2:cf42e62a97dc 61
MikamiUitOpen 2:cf42e62a97dc 62 class CallChain {
MikamiUitOpen 2:cf42e62a97dc 63 public:
MikamiUitOpen 2:cf42e62a97dc 64 /** Create an empty chain
MikamiUitOpen 2:cf42e62a97dc 65 *
MikamiUitOpen 2:cf42e62a97dc 66 * @param size (optional) Initial size of the chain
MikamiUitOpen 2:cf42e62a97dc 67 */
MikamiUitOpen 2:cf42e62a97dc 68 CallChain(int size = 4);
MikamiUitOpen 2:cf42e62a97dc 69 virtual ~CallChain();
MikamiUitOpen 2:cf42e62a97dc 70
MikamiUitOpen 2:cf42e62a97dc 71 /** Add a function at the end of the chain
MikamiUitOpen 2:cf42e62a97dc 72 *
MikamiUitOpen 2:cf42e62a97dc 73 * @param function A pointer to a void function
MikamiUitOpen 2:cf42e62a97dc 74 *
MikamiUitOpen 2:cf42e62a97dc 75 * @returns
MikamiUitOpen 2:cf42e62a97dc 76 * The function object created for 'function'
MikamiUitOpen 2:cf42e62a97dc 77 */
MikamiUitOpen 2:cf42e62a97dc 78 pFunctionPointer_t add(void (*function)(void));
MikamiUitOpen 2:cf42e62a97dc 79
MikamiUitOpen 2:cf42e62a97dc 80 /** Add a function at the end of the chain
MikamiUitOpen 2:cf42e62a97dc 81 *
MikamiUitOpen 2:cf42e62a97dc 82 * @param tptr pointer to the object to call the member function on
MikamiUitOpen 2:cf42e62a97dc 83 * @param mptr pointer to the member function to be called
MikamiUitOpen 2:cf42e62a97dc 84 *
MikamiUitOpen 2:cf42e62a97dc 85 * @returns
MikamiUitOpen 2:cf42e62a97dc 86 * The function object created for 'tptr' and 'mptr'
MikamiUitOpen 2:cf42e62a97dc 87 */
MikamiUitOpen 2:cf42e62a97dc 88 template<typename T>
MikamiUitOpen 2:cf42e62a97dc 89 pFunctionPointer_t add(T *tptr, void (T::*mptr)(void)) {
MikamiUitOpen 2:cf42e62a97dc 90 return common_add(new FunctionPointer(tptr, mptr));
MikamiUitOpen 2:cf42e62a97dc 91 }
MikamiUitOpen 2:cf42e62a97dc 92
MikamiUitOpen 2:cf42e62a97dc 93 /** Add a function at the beginning of the chain
MikamiUitOpen 2:cf42e62a97dc 94 *
MikamiUitOpen 2:cf42e62a97dc 95 * @param function A pointer to a void function
MikamiUitOpen 2:cf42e62a97dc 96 *
MikamiUitOpen 2:cf42e62a97dc 97 * @returns
MikamiUitOpen 2:cf42e62a97dc 98 * The function object created for 'function'
MikamiUitOpen 2:cf42e62a97dc 99 */
MikamiUitOpen 2:cf42e62a97dc 100 pFunctionPointer_t add_front(void (*function)(void));
MikamiUitOpen 2:cf42e62a97dc 101
MikamiUitOpen 2:cf42e62a97dc 102 /** Add a function at the beginning of the chain
MikamiUitOpen 2:cf42e62a97dc 103 *
MikamiUitOpen 2:cf42e62a97dc 104 * @param tptr pointer to the object to call the member function on
MikamiUitOpen 2:cf42e62a97dc 105 * @param mptr pointer to the member function to be called
MikamiUitOpen 2:cf42e62a97dc 106 *
MikamiUitOpen 2:cf42e62a97dc 107 * @returns
MikamiUitOpen 2:cf42e62a97dc 108 * The function object created for 'tptr' and 'mptr'
MikamiUitOpen 2:cf42e62a97dc 109 */
MikamiUitOpen 2:cf42e62a97dc 110 template<typename T>
MikamiUitOpen 2:cf42e62a97dc 111 pFunctionPointer_t add_front(T *tptr, void (T::*mptr)(void)) {
MikamiUitOpen 2:cf42e62a97dc 112 return common_add_front(new FunctionPointer(tptr, mptr));
MikamiUitOpen 2:cf42e62a97dc 113 }
MikamiUitOpen 2:cf42e62a97dc 114
MikamiUitOpen 2:cf42e62a97dc 115 /** Get the number of functions in the chain
MikamiUitOpen 2:cf42e62a97dc 116 */
MikamiUitOpen 2:cf42e62a97dc 117 int size() const;
MikamiUitOpen 2:cf42e62a97dc 118
MikamiUitOpen 2:cf42e62a97dc 119 /** Get a function object from the chain
MikamiUitOpen 2:cf42e62a97dc 120 *
MikamiUitOpen 2:cf42e62a97dc 121 * @param i function object index
MikamiUitOpen 2:cf42e62a97dc 122 *
MikamiUitOpen 2:cf42e62a97dc 123 * @returns
MikamiUitOpen 2:cf42e62a97dc 124 * The function object at position 'i' in the chain
MikamiUitOpen 2:cf42e62a97dc 125 */
MikamiUitOpen 2:cf42e62a97dc 126 pFunctionPointer_t get(int i) const;
MikamiUitOpen 2:cf42e62a97dc 127
MikamiUitOpen 2:cf42e62a97dc 128 /** Look for a function object in the call chain
MikamiUitOpen 2:cf42e62a97dc 129 *
MikamiUitOpen 2:cf42e62a97dc 130 * @param f the function object to search
MikamiUitOpen 2:cf42e62a97dc 131 *
MikamiUitOpen 2:cf42e62a97dc 132 * @returns
MikamiUitOpen 2:cf42e62a97dc 133 * The index of the function object if found, -1 otherwise.
MikamiUitOpen 2:cf42e62a97dc 134 */
MikamiUitOpen 2:cf42e62a97dc 135 int find(pFunctionPointer_t f) const;
MikamiUitOpen 2:cf42e62a97dc 136
MikamiUitOpen 2:cf42e62a97dc 137 /** Clear the call chain (remove all functions in the chain).
MikamiUitOpen 2:cf42e62a97dc 138 */
MikamiUitOpen 2:cf42e62a97dc 139 void clear();
MikamiUitOpen 2:cf42e62a97dc 140
MikamiUitOpen 2:cf42e62a97dc 141 /** Remove a function object from the chain
MikamiUitOpen 2:cf42e62a97dc 142 *
MikamiUitOpen 2:cf42e62a97dc 143 * @arg f the function object to remove
MikamiUitOpen 2:cf42e62a97dc 144 *
MikamiUitOpen 2:cf42e62a97dc 145 * @returns
MikamiUitOpen 2:cf42e62a97dc 146 * true if the function object was found and removed, false otherwise.
MikamiUitOpen 2:cf42e62a97dc 147 */
MikamiUitOpen 2:cf42e62a97dc 148 bool remove(pFunctionPointer_t f);
MikamiUitOpen 2:cf42e62a97dc 149
MikamiUitOpen 2:cf42e62a97dc 150 /** Call all the functions in the chain in sequence
MikamiUitOpen 2:cf42e62a97dc 151 */
MikamiUitOpen 2:cf42e62a97dc 152 void call();
MikamiUitOpen 2:cf42e62a97dc 153
MikamiUitOpen 2:cf42e62a97dc 154 #ifdef MBED_OPERATORS
MikamiUitOpen 2:cf42e62a97dc 155 void operator ()(void) {
MikamiUitOpen 2:cf42e62a97dc 156 call();
MikamiUitOpen 2:cf42e62a97dc 157 }
MikamiUitOpen 2:cf42e62a97dc 158 pFunctionPointer_t operator [](int i) const {
MikamiUitOpen 2:cf42e62a97dc 159 return get(i);
MikamiUitOpen 2:cf42e62a97dc 160 }
MikamiUitOpen 2:cf42e62a97dc 161 #endif
MikamiUitOpen 2:cf42e62a97dc 162
MikamiUitOpen 2:cf42e62a97dc 163 private:
MikamiUitOpen 2:cf42e62a97dc 164 void _check_size();
MikamiUitOpen 2:cf42e62a97dc 165 pFunctionPointer_t common_add(pFunctionPointer_t pf);
MikamiUitOpen 2:cf42e62a97dc 166 pFunctionPointer_t common_add_front(pFunctionPointer_t pf);
MikamiUitOpen 2:cf42e62a97dc 167
MikamiUitOpen 2:cf42e62a97dc 168 pFunctionPointer_t* _chain;
MikamiUitOpen 2:cf42e62a97dc 169 int _size;
MikamiUitOpen 2:cf42e62a97dc 170 int _elements;
MikamiUitOpen 2:cf42e62a97dc 171
MikamiUitOpen 2:cf42e62a97dc 172 /* disallow copy constructor and assignment operators */
MikamiUitOpen 2:cf42e62a97dc 173 private:
MikamiUitOpen 2:cf42e62a97dc 174 CallChain(const CallChain&);
MikamiUitOpen 2:cf42e62a97dc 175 CallChain & operator = (const CallChain&);
MikamiUitOpen 2:cf42e62a97dc 176 };
MikamiUitOpen 2:cf42e62a97dc 177
MikamiUitOpen 2:cf42e62a97dc 178 } // namespace mbed
MikamiUitOpen 2:cf42e62a97dc 179
MikamiUitOpen 2:cf42e62a97dc 180 #endif
MikamiUitOpen 2:cf42e62a97dc 181