George Roussos / BLE_Temperature

BLE temperature profile using digital DS1820 or analog LM35 sensors

Dependencies:   DS1820

mbed/CallChain.h@0:637031152314, 2015-03-07 (annotated)

Committer:
gkroussos
Date:
Sat Mar 07 16:23:41 2015 +0000
Revision:
0:637031152314
Working version 1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gkroussos 0:637031152314 1 /* mbed Microcontroller Library
gkroussos 0:637031152314 2 * Copyright (c) 2006-2013 ARM Limited
gkroussos 0:637031152314 3 *
gkroussos 0:637031152314 4 * Licensed under the Apache License, Version 2.0 (the "License");
gkroussos 0:637031152314 5 * you may not use this file except in compliance with the License.
gkroussos 0:637031152314 6 * You may obtain a copy of the License at
gkroussos 0:637031152314 7 *
gkroussos 0:637031152314 8 * http://www.apache.org/licenses/LICENSE-2.0
gkroussos 0:637031152314 9 *
gkroussos 0:637031152314 10 * Unless required by applicable law or agreed to in writing, software
gkroussos 0:637031152314 11 * distributed under the License is distributed on an "AS IS" BASIS,
gkroussos 0:637031152314 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
gkroussos 0:637031152314 13 * See the License for the specific language governing permissions and
gkroussos 0:637031152314 14 * limitations under the License.
gkroussos 0:637031152314 15 */
gkroussos 0:637031152314 16 #ifndef MBED_CALLCHAIN_H
gkroussos 0:637031152314 17 #define MBED_CALLCHAIN_H
gkroussos 0:637031152314 18
gkroussos 0:637031152314 19 #include "FunctionPointer.h"
gkroussos 0:637031152314 20 #include <string.h>
gkroussos 0:637031152314 21
gkroussos 0:637031152314 22 namespace mbed {
gkroussos 0:637031152314 23
gkroussos 0:637031152314 24 /** Group one or more functions in an instance of a CallChain, then call them in
gkroussos 0:637031152314 25 * sequence using CallChain::call(). Used mostly by the interrupt chaining code,
gkroussos 0:637031152314 26 * but can be used for other purposes.
gkroussos 0:637031152314 27 *
gkroussos 0:637031152314 28 * Example:
gkroussos 0:637031152314 29 * @code
gkroussos 0:637031152314 30 * #include "mbed.h"
gkroussos 0:637031152314 31 *
gkroussos 0:637031152314 32 * CallChain chain;
gkroussos 0:637031152314 33 *
gkroussos 0:637031152314 34 * void first(void) {
gkroussos 0:637031152314 35 * printf("'first' function.\n");
gkroussos 0:637031152314 36 * }
gkroussos 0:637031152314 37 *
gkroussos 0:637031152314 38 * void second(void) {
gkroussos 0:637031152314 39 * printf("'second' function.\n");
gkroussos 0:637031152314 40 * }
gkroussos 0:637031152314 41 *
gkroussos 0:637031152314 42 * class Test {
gkroussos 0:637031152314 43 * public:
gkroussos 0:637031152314 44 * void f(void) {
gkroussos 0:637031152314 45 * printf("A::f (class member).\n");
gkroussos 0:637031152314 46 * }
gkroussos 0:637031152314 47 * };
gkroussos 0:637031152314 48 *
gkroussos 0:637031152314 49 * int main() {
gkroussos 0:637031152314 50 * Test test;
gkroussos 0:637031152314 51 *
gkroussos 0:637031152314 52 * chain.add(second);
gkroussos 0:637031152314 53 * chain.add_front(first);
gkroussos 0:637031152314 54 * chain.add(&test, &Test::f);
gkroussos 0:637031152314 55 * chain.call();
gkroussos 0:637031152314 56 * }
gkroussos 0:637031152314 57 * @endcode
gkroussos 0:637031152314 58 */
gkroussos 0:637031152314 59
gkroussos 0:637031152314 60 typedef FunctionPointer* pFunctionPointer_t;
gkroussos 0:637031152314 61
gkroussos 0:637031152314 62 class CallChain {
gkroussos 0:637031152314 63 public:
gkroussos 0:637031152314 64 /** Create an empty chain
gkroussos 0:637031152314 65 *
gkroussos 0:637031152314 66 * @param size (optional) Initial size of the chain
gkroussos 0:637031152314 67 */
gkroussos 0:637031152314 68 CallChain(int size = 4);
gkroussos 0:637031152314 69 virtual ~CallChain();
gkroussos 0:637031152314 70
gkroussos 0:637031152314 71 /** Add a function at the end of the chain
gkroussos 0:637031152314 72 *
gkroussos 0:637031152314 73 * @param function A pointer to a void function
gkroussos 0:637031152314 74 *
gkroussos 0:637031152314 75 * @returns
gkroussos 0:637031152314 76 * The function object created for 'function'
gkroussos 0:637031152314 77 */
gkroussos 0:637031152314 78 pFunctionPointer_t add(void (*function)(void));
gkroussos 0:637031152314 79
gkroussos 0:637031152314 80 /** Add a function at the end of the chain
gkroussos 0:637031152314 81 *
gkroussos 0:637031152314 82 * @param tptr pointer to the object to call the member function on
gkroussos 0:637031152314 83 * @param mptr pointer to the member function to be called
gkroussos 0:637031152314 84 *
gkroussos 0:637031152314 85 * @returns
gkroussos 0:637031152314 86 * The function object created for 'tptr' and 'mptr'
gkroussos 0:637031152314 87 */
gkroussos 0:637031152314 88 template<typename T>
gkroussos 0:637031152314 89 pFunctionPointer_t add(T *tptr, void (T::*mptr)(void)) {
gkroussos 0:637031152314 90 return common_add(new FunctionPointer(tptr, mptr));
gkroussos 0:637031152314 91 }
gkroussos 0:637031152314 92
gkroussos 0:637031152314 93 /** Add a function at the beginning of the chain
gkroussos 0:637031152314 94 *
gkroussos 0:637031152314 95 * @param function A pointer to a void function
gkroussos 0:637031152314 96 *
gkroussos 0:637031152314 97 * @returns
gkroussos 0:637031152314 98 * The function object created for 'function'
gkroussos 0:637031152314 99 */
gkroussos 0:637031152314 100 pFunctionPointer_t add_front(void (*function)(void));
gkroussos 0:637031152314 101
gkroussos 0:637031152314 102 /** Add a function at the beginning of the chain
gkroussos 0:637031152314 103 *
gkroussos 0:637031152314 104 * @param tptr pointer to the object to call the member function on
gkroussos 0:637031152314 105 * @param mptr pointer to the member function to be called
gkroussos 0:637031152314 106 *
gkroussos 0:637031152314 107 * @returns
gkroussos 0:637031152314 108 * The function object created for 'tptr' and 'mptr'
gkroussos 0:637031152314 109 */
gkroussos 0:637031152314 110 template<typename T>
gkroussos 0:637031152314 111 pFunctionPointer_t add_front(T *tptr, void (T::*mptr)(void)) {
gkroussos 0:637031152314 112 return common_add_front(new FunctionPointer(tptr, mptr));
gkroussos 0:637031152314 113 }
gkroussos 0:637031152314 114
gkroussos 0:637031152314 115 /** Get the number of functions in the chain
gkroussos 0:637031152314 116 */
gkroussos 0:637031152314 117 int size() const;
gkroussos 0:637031152314 118
gkroussos 0:637031152314 119 /** Get a function object from the chain
gkroussos 0:637031152314 120 *
gkroussos 0:637031152314 121 * @param i function object index
gkroussos 0:637031152314 122 *
gkroussos 0:637031152314 123 * @returns
gkroussos 0:637031152314 124 * The function object at position 'i' in the chain
gkroussos 0:637031152314 125 */
gkroussos 0:637031152314 126 pFunctionPointer_t get(int i) const;
gkroussos 0:637031152314 127
gkroussos 0:637031152314 128 /** Look for a function object in the call chain
gkroussos 0:637031152314 129 *
gkroussos 0:637031152314 130 * @param f the function object to search
gkroussos 0:637031152314 131 *
gkroussos 0:637031152314 132 * @returns
gkroussos 0:637031152314 133 * The index of the function object if found, -1 otherwise.
gkroussos 0:637031152314 134 */
gkroussos 0:637031152314 135 int find(pFunctionPointer_t f) const;
gkroussos 0:637031152314 136
gkroussos 0:637031152314 137 /** Clear the call chain (remove all functions in the chain).
gkroussos 0:637031152314 138 */
gkroussos 0:637031152314 139 void clear();
gkroussos 0:637031152314 140
gkroussos 0:637031152314 141 /** Remove a function object from the chain
gkroussos 0:637031152314 142 *
gkroussos 0:637031152314 143 * @arg f the function object to remove
gkroussos 0:637031152314 144 *
gkroussos 0:637031152314 145 * @returns
gkroussos 0:637031152314 146 * true if the function object was found and removed, false otherwise.
gkroussos 0:637031152314 147 */
gkroussos 0:637031152314 148 bool remove(pFunctionPointer_t f);
gkroussos 0:637031152314 149
gkroussos 0:637031152314 150 /** Call all the functions in the chain in sequence
gkroussos 0:637031152314 151 */
gkroussos 0:637031152314 152 void call();
gkroussos 0:637031152314 153
gkroussos 0:637031152314 154 #ifdef MBED_OPERATORS
gkroussos 0:637031152314 155 void operator ()(void) {
gkroussos 0:637031152314 156 call();
gkroussos 0:637031152314 157 }
gkroussos 0:637031152314 158 pFunctionPointer_t operator [](int i) const {
gkroussos 0:637031152314 159 return get(i);
gkroussos 0:637031152314 160 }
gkroussos 0:637031152314 161 #endif
gkroussos 0:637031152314 162
gkroussos 0:637031152314 163 private:
gkroussos 0:637031152314 164 void _check_size();
gkroussos 0:637031152314 165 pFunctionPointer_t common_add(pFunctionPointer_t pf);
gkroussos 0:637031152314 166 pFunctionPointer_t common_add_front(pFunctionPointer_t pf);
gkroussos 0:637031152314 167
gkroussos 0:637031152314 168 pFunctionPointer_t* _chain;
gkroussos 0:637031152314 169 int _size;
gkroussos 0:637031152314 170 int _elements;
gkroussos 0:637031152314 171 };
gkroussos 0:637031152314 172
gkroussos 0:637031152314 173 } // namespace mbed
gkroussos 0:637031152314 174
gkroussos 0:637031152314 175 #endif
gkroussos 0:637031152314 176