Mladen Adamovic / Spectrogram

Final version.

Dependencies:   F746_GUI F746_SAI_IO UIT_FFT_Real

Fork of F746_Spectrogram by 不韋 呂

mbed_src_STM32F7/api/CallChain.h@4:c1beacfc42c7, 2016-10-02 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Oct 02 10:51:10 2016 +0000
Revision:
4:c1beacfc42c7
5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 4:c1beacfc42c7 1 /* mbed Microcontroller Library
MikamiUitOpen 4:c1beacfc42c7 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 4:c1beacfc42c7 3 *
MikamiUitOpen 4:c1beacfc42c7 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 4:c1beacfc42c7 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 4:c1beacfc42c7 6 * You may obtain a copy of the License at
MikamiUitOpen 4:c1beacfc42c7 7 *
MikamiUitOpen 4:c1beacfc42c7 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 4:c1beacfc42c7 9 *
MikamiUitOpen 4:c1beacfc42c7 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 4:c1beacfc42c7 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 4:c1beacfc42c7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 4:c1beacfc42c7 13 * See the License for the specific language governing permissions and
MikamiUitOpen 4:c1beacfc42c7 14 * limitations under the License.
MikamiUitOpen 4:c1beacfc42c7 15 */
MikamiUitOpen 4:c1beacfc42c7 16 #ifndef MBED_CALLCHAIN_H
MikamiUitOpen 4:c1beacfc42c7 17 #define MBED_CALLCHAIN_H
MikamiUitOpen 4:c1beacfc42c7 18
MikamiUitOpen 4:c1beacfc42c7 19 #include "FunctionPointer.h"
MikamiUitOpen 4:c1beacfc42c7 20 #include <string.h>
MikamiUitOpen 4:c1beacfc42c7 21
MikamiUitOpen 4:c1beacfc42c7 22 namespace mbed {
MikamiUitOpen 4:c1beacfc42c7 23
MikamiUitOpen 4:c1beacfc42c7 24 /** Group one or more functions in an instance of a CallChain, then call them in
MikamiUitOpen 4:c1beacfc42c7 25 * sequence using CallChain::call(). Used mostly by the interrupt chaining code,
MikamiUitOpen 4:c1beacfc42c7 26 * but can be used for other purposes.
MikamiUitOpen 4:c1beacfc42c7 27 *
MikamiUitOpen 4:c1beacfc42c7 28 * Example:
MikamiUitOpen 4:c1beacfc42c7 29 * @code
MikamiUitOpen 4:c1beacfc42c7 30 * #include "mbed.h"
MikamiUitOpen 4:c1beacfc42c7 31 *
MikamiUitOpen 4:c1beacfc42c7 32 * CallChain chain;
MikamiUitOpen 4:c1beacfc42c7 33 *
MikamiUitOpen 4:c1beacfc42c7 34 * void first(void) {
MikamiUitOpen 4:c1beacfc42c7 35 * printf("'first' function.\n");
MikamiUitOpen 4:c1beacfc42c7 36 * }
MikamiUitOpen 4:c1beacfc42c7 37 *
MikamiUitOpen 4:c1beacfc42c7 38 * void second(void) {
MikamiUitOpen 4:c1beacfc42c7 39 * printf("'second' function.\n");
MikamiUitOpen 4:c1beacfc42c7 40 * }
MikamiUitOpen 4:c1beacfc42c7 41 *
MikamiUitOpen 4:c1beacfc42c7 42 * class Test {
MikamiUitOpen 4:c1beacfc42c7 43 * public:
MikamiUitOpen 4:c1beacfc42c7 44 * void f(void) {
MikamiUitOpen 4:c1beacfc42c7 45 * printf("A::f (class member).\n");
MikamiUitOpen 4:c1beacfc42c7 46 * }
MikamiUitOpen 4:c1beacfc42c7 47 * };
MikamiUitOpen 4:c1beacfc42c7 48 *
MikamiUitOpen 4:c1beacfc42c7 49 * int main() {
MikamiUitOpen 4:c1beacfc42c7 50 * Test test;
MikamiUitOpen 4:c1beacfc42c7 51 *
MikamiUitOpen 4:c1beacfc42c7 52 * chain.add(second);
MikamiUitOpen 4:c1beacfc42c7 53 * chain.add_front(first);
MikamiUitOpen 4:c1beacfc42c7 54 * chain.add(&test, &Test::f);
MikamiUitOpen 4:c1beacfc42c7 55 * chain.call();
MikamiUitOpen 4:c1beacfc42c7 56 * }
MikamiUitOpen 4:c1beacfc42c7 57 * @endcode
MikamiUitOpen 4:c1beacfc42c7 58 */
MikamiUitOpen 4:c1beacfc42c7 59
MikamiUitOpen 4:c1beacfc42c7 60 typedef FunctionPointer* pFunctionPointer_t;
MikamiUitOpen 4:c1beacfc42c7 61
MikamiUitOpen 4:c1beacfc42c7 62 class CallChain {
MikamiUitOpen 4:c1beacfc42c7 63 public:
MikamiUitOpen 4:c1beacfc42c7 64 /** Create an empty chain
MikamiUitOpen 4:c1beacfc42c7 65 *
MikamiUitOpen 4:c1beacfc42c7 66 * @param size (optional) Initial size of the chain
MikamiUitOpen 4:c1beacfc42c7 67 */
MikamiUitOpen 4:c1beacfc42c7 68 CallChain(int size = 4);
MikamiUitOpen 4:c1beacfc42c7 69 virtual ~CallChain();
MikamiUitOpen 4:c1beacfc42c7 70
MikamiUitOpen 4:c1beacfc42c7 71 /** Add a function at the end of the chain
MikamiUitOpen 4:c1beacfc42c7 72 *
MikamiUitOpen 4:c1beacfc42c7 73 * @param function A pointer to a void function
MikamiUitOpen 4:c1beacfc42c7 74 *
MikamiUitOpen 4:c1beacfc42c7 75 * @returns
MikamiUitOpen 4:c1beacfc42c7 76 * The function object created for 'function'
MikamiUitOpen 4:c1beacfc42c7 77 */
MikamiUitOpen 4:c1beacfc42c7 78 pFunctionPointer_t add(void (*function)(void));
MikamiUitOpen 4:c1beacfc42c7 79
MikamiUitOpen 4:c1beacfc42c7 80 /** Add a function at the end of the chain
MikamiUitOpen 4:c1beacfc42c7 81 *
MikamiUitOpen 4:c1beacfc42c7 82 * @param tptr pointer to the object to call the member function on
MikamiUitOpen 4:c1beacfc42c7 83 * @param mptr pointer to the member function to be called
MikamiUitOpen 4:c1beacfc42c7 84 *
MikamiUitOpen 4:c1beacfc42c7 85 * @returns
MikamiUitOpen 4:c1beacfc42c7 86 * The function object created for 'tptr' and 'mptr'
MikamiUitOpen 4:c1beacfc42c7 87 */
MikamiUitOpen 4:c1beacfc42c7 88 template<typename T>
MikamiUitOpen 4:c1beacfc42c7 89 pFunctionPointer_t add(T *tptr, void (T::*mptr)(void)) {
MikamiUitOpen 4:c1beacfc42c7 90 return common_add(new FunctionPointer(tptr, mptr));
MikamiUitOpen 4:c1beacfc42c7 91 }
MikamiUitOpen 4:c1beacfc42c7 92
MikamiUitOpen 4:c1beacfc42c7 93 /** Add a function at the beginning of the chain
MikamiUitOpen 4:c1beacfc42c7 94 *
MikamiUitOpen 4:c1beacfc42c7 95 * @param function A pointer to a void function
MikamiUitOpen 4:c1beacfc42c7 96 *
MikamiUitOpen 4:c1beacfc42c7 97 * @returns
MikamiUitOpen 4:c1beacfc42c7 98 * The function object created for 'function'
MikamiUitOpen 4:c1beacfc42c7 99 */
MikamiUitOpen 4:c1beacfc42c7 100 pFunctionPointer_t add_front(void (*function)(void));
MikamiUitOpen 4:c1beacfc42c7 101
MikamiUitOpen 4:c1beacfc42c7 102 /** Add a function at the beginning of the chain
MikamiUitOpen 4:c1beacfc42c7 103 *
MikamiUitOpen 4:c1beacfc42c7 104 * @param tptr pointer to the object to call the member function on
MikamiUitOpen 4:c1beacfc42c7 105 * @param mptr pointer to the member function to be called
MikamiUitOpen 4:c1beacfc42c7 106 *
MikamiUitOpen 4:c1beacfc42c7 107 * @returns
MikamiUitOpen 4:c1beacfc42c7 108 * The function object created for 'tptr' and 'mptr'
MikamiUitOpen 4:c1beacfc42c7 109 */
MikamiUitOpen 4:c1beacfc42c7 110 template<typename T>
MikamiUitOpen 4:c1beacfc42c7 111 pFunctionPointer_t add_front(T *tptr, void (T::*mptr)(void)) {
MikamiUitOpen 4:c1beacfc42c7 112 return common_add_front(new FunctionPointer(tptr, mptr));
MikamiUitOpen 4:c1beacfc42c7 113 }
MikamiUitOpen 4:c1beacfc42c7 114
MikamiUitOpen 4:c1beacfc42c7 115 /** Get the number of functions in the chain
MikamiUitOpen 4:c1beacfc42c7 116 */
MikamiUitOpen 4:c1beacfc42c7 117 int size() const;
MikamiUitOpen 4:c1beacfc42c7 118
MikamiUitOpen 4:c1beacfc42c7 119 /** Get a function object from the chain
MikamiUitOpen 4:c1beacfc42c7 120 *
MikamiUitOpen 4:c1beacfc42c7 121 * @param i function object index
MikamiUitOpen 4:c1beacfc42c7 122 *
MikamiUitOpen 4:c1beacfc42c7 123 * @returns
MikamiUitOpen 4:c1beacfc42c7 124 * The function object at position 'i' in the chain
MikamiUitOpen 4:c1beacfc42c7 125 */
MikamiUitOpen 4:c1beacfc42c7 126 pFunctionPointer_t get(int i) const;
MikamiUitOpen 4:c1beacfc42c7 127
MikamiUitOpen 4:c1beacfc42c7 128 /** Look for a function object in the call chain
MikamiUitOpen 4:c1beacfc42c7 129 *
MikamiUitOpen 4:c1beacfc42c7 130 * @param f the function object to search
MikamiUitOpen 4:c1beacfc42c7 131 *
MikamiUitOpen 4:c1beacfc42c7 132 * @returns
MikamiUitOpen 4:c1beacfc42c7 133 * The index of the function object if found, -1 otherwise.
MikamiUitOpen 4:c1beacfc42c7 134 */
MikamiUitOpen 4:c1beacfc42c7 135 int find(pFunctionPointer_t f) const;
MikamiUitOpen 4:c1beacfc42c7 136
MikamiUitOpen 4:c1beacfc42c7 137 /** Clear the call chain (remove all functions in the chain).
MikamiUitOpen 4:c1beacfc42c7 138 */
MikamiUitOpen 4:c1beacfc42c7 139 void clear();
MikamiUitOpen 4:c1beacfc42c7 140
MikamiUitOpen 4:c1beacfc42c7 141 /** Remove a function object from the chain
MikamiUitOpen 4:c1beacfc42c7 142 *
MikamiUitOpen 4:c1beacfc42c7 143 * @arg f the function object to remove
MikamiUitOpen 4:c1beacfc42c7 144 *
MikamiUitOpen 4:c1beacfc42c7 145 * @returns
MikamiUitOpen 4:c1beacfc42c7 146 * true if the function object was found and removed, false otherwise.
MikamiUitOpen 4:c1beacfc42c7 147 */
MikamiUitOpen 4:c1beacfc42c7 148 bool remove(pFunctionPointer_t f);
MikamiUitOpen 4:c1beacfc42c7 149
MikamiUitOpen 4:c1beacfc42c7 150 /** Call all the functions in the chain in sequence
MikamiUitOpen 4:c1beacfc42c7 151 */
MikamiUitOpen 4:c1beacfc42c7 152 void call();
MikamiUitOpen 4:c1beacfc42c7 153
MikamiUitOpen 4:c1beacfc42c7 154 #ifdef MBED_OPERATORS
MikamiUitOpen 4:c1beacfc42c7 155 void operator ()(void) {
MikamiUitOpen 4:c1beacfc42c7 156 call();
MikamiUitOpen 4:c1beacfc42c7 157 }
MikamiUitOpen 4:c1beacfc42c7 158 pFunctionPointer_t operator [](int i) const {
MikamiUitOpen 4:c1beacfc42c7 159 return get(i);
MikamiUitOpen 4:c1beacfc42c7 160 }
MikamiUitOpen 4:c1beacfc42c7 161 #endif
MikamiUitOpen 4:c1beacfc42c7 162
MikamiUitOpen 4:c1beacfc42c7 163 private:
MikamiUitOpen 4:c1beacfc42c7 164 void _check_size();
MikamiUitOpen 4:c1beacfc42c7 165 pFunctionPointer_t common_add(pFunctionPointer_t pf);
MikamiUitOpen 4:c1beacfc42c7 166 pFunctionPointer_t common_add_front(pFunctionPointer_t pf);
MikamiUitOpen 4:c1beacfc42c7 167
MikamiUitOpen 4:c1beacfc42c7 168 pFunctionPointer_t* _chain;
MikamiUitOpen 4:c1beacfc42c7 169 int _size;
MikamiUitOpen 4:c1beacfc42c7 170 int _elements;
MikamiUitOpen 4:c1beacfc42c7 171
MikamiUitOpen 4:c1beacfc42c7 172 /* disallow copy constructor and assignment operators */
MikamiUitOpen 4:c1beacfc42c7 173 private:
MikamiUitOpen 4:c1beacfc42c7 174 CallChain(const CallChain&);
MikamiUitOpen 4:c1beacfc42c7 175 CallChain & operator = (const CallChain&);
MikamiUitOpen 4:c1beacfc42c7 176 };
MikamiUitOpen 4:c1beacfc42c7 177
MikamiUitOpen 4:c1beacfc42c7 178 } // namespace mbed
MikamiUitOpen 4:c1beacfc42c7 179
MikamiUitOpen 4:c1beacfc42c7 180 #endif
MikamiUitOpen 4:c1beacfc42c7 181