mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
platform/CallChain.cpp@189:f392fc9709a3, 2019-02-20 (annotated)
- Committer:
- AnnaBridge
- Date:
- Wed Feb 20 22:31:08 2019 +0000
- Revision:
- 189:f392fc9709a3
- Parent:
- 187:0387e8f68319
mbed library release version 165
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AnnaBridge | 189:f392fc9709a3 | 1 | /* |
AnnaBridge | 189:f392fc9709a3 | 2 | * Copyright (c) 2018 ARM Limited |
AnnaBridge | 189:f392fc9709a3 | 3 | * SPDX-License-Identifier: Apache-2.0 |
AnnaBridge | 189:f392fc9709a3 | 4 | * |
AnnaBridge | 189:f392fc9709a3 | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
AnnaBridge | 189:f392fc9709a3 | 6 | * you may not use this file except in compliance with the License. |
AnnaBridge | 189:f392fc9709a3 | 7 | * You may obtain a copy of the License at |
AnnaBridge | 189:f392fc9709a3 | 8 | * |
AnnaBridge | 189:f392fc9709a3 | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
AnnaBridge | 189:f392fc9709a3 | 10 | * |
AnnaBridge | 189:f392fc9709a3 | 11 | * Unless required by applicable law or agreed to in writing, software |
AnnaBridge | 189:f392fc9709a3 | 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
AnnaBridge | 189:f392fc9709a3 | 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
AnnaBridge | 189:f392fc9709a3 | 14 | * See the License for the specific language governing permissions and |
AnnaBridge | 189:f392fc9709a3 | 15 | * limitations under the License. |
AnnaBridge | 189:f392fc9709a3 | 16 | */ |
Anna Bridge |
180:96ed750bd169 | 17 | |
Anna Bridge |
180:96ed750bd169 | 18 | // Suppress deprecation warnings since this whole |
Anna Bridge |
180:96ed750bd169 | 19 | // class is deprecated already |
Anna Bridge |
180:96ed750bd169 | 20 | #include "mbed_toolchain.h" |
Anna Bridge |
180:96ed750bd169 | 21 | #undef MBED_DEPRECATED_SINCE |
Anna Bridge |
180:96ed750bd169 | 22 | #define MBED_DEPRECATED_SINCE(...) |
Anna Bridge |
180:96ed750bd169 | 23 | |
<> | 149:156823d33999 | 24 | #include "platform/CallChain.h" |
<> | 149:156823d33999 | 25 | #include "cmsis.h" |
<> | 160:d5399cc887bb | 26 | #include "platform/mbed_critical.h" |
<> | 149:156823d33999 | 27 | |
<> | 149:156823d33999 | 28 | namespace mbed { |
<> | 149:156823d33999 | 29 | |
<> | 149:156823d33999 | 30 | class CallChainLink { |
<> | 149:156823d33999 | 31 | public: |
AnnaBridge | 187:0387e8f68319 | 32 | CallChainLink(): cb(), next(NULL) |
AnnaBridge | 187:0387e8f68319 | 33 | { |
<> | 149:156823d33999 | 34 | // No work to do |
<> | 149:156823d33999 | 35 | } |
<> | 149:156823d33999 | 36 | |
AnnaBridge | 187:0387e8f68319 | 37 | CallChainLink(Callback<void()> &callback): cb(callback), next(NULL) |
AnnaBridge | 187:0387e8f68319 | 38 | { |
<> | 149:156823d33999 | 39 | // No work to do |
<> | 149:156823d33999 | 40 | } |
<> | 149:156823d33999 | 41 | Callback<void()> cb; |
AnnaBridge | 187:0387e8f68319 | 42 | CallChainLink *next; |
<> | 149:156823d33999 | 43 | }; |
<> | 149:156823d33999 | 44 | |
AnnaBridge | 187:0387e8f68319 | 45 | CallChain::CallChain(int size) : _chain(NULL) |
AnnaBridge | 187:0387e8f68319 | 46 | { |
<> | 149:156823d33999 | 47 | // No work to do |
<> | 149:156823d33999 | 48 | } |
<> | 149:156823d33999 | 49 | |
AnnaBridge | 187:0387e8f68319 | 50 | CallChain::~CallChain() |
AnnaBridge | 187:0387e8f68319 | 51 | { |
<> | 149:156823d33999 | 52 | clear(); |
<> | 149:156823d33999 | 53 | } |
<> | 149:156823d33999 | 54 | |
AnnaBridge | 187:0387e8f68319 | 55 | pFunctionPointer_t CallChain::add(Callback<void()> func) |
AnnaBridge | 187:0387e8f68319 | 56 | { |
<> | 149:156823d33999 | 57 | CallChainLink *new_link = new CallChainLink(func); |
<> | 149:156823d33999 | 58 | if (NULL == _chain) { |
<> | 149:156823d33999 | 59 | _chain = new_link; |
<> | 149:156823d33999 | 60 | return &new_link->cb; |
<> | 149:156823d33999 | 61 | } |
<> | 149:156823d33999 | 62 | |
<> | 149:156823d33999 | 63 | CallChainLink *link = _chain; |
<> | 149:156823d33999 | 64 | while (true) { |
<> | 149:156823d33999 | 65 | if (NULL == link->next) { |
<> | 149:156823d33999 | 66 | link->next = new_link; |
<> | 149:156823d33999 | 67 | return &new_link->cb; |
<> | 149:156823d33999 | 68 | } |
<> | 149:156823d33999 | 69 | link = link->next; |
<> | 149:156823d33999 | 70 | } |
<> | 149:156823d33999 | 71 | } |
<> | 149:156823d33999 | 72 | |
AnnaBridge | 187:0387e8f68319 | 73 | pFunctionPointer_t CallChain::add_front(Callback<void()> func) |
AnnaBridge | 187:0387e8f68319 | 74 | { |
<> | 149:156823d33999 | 75 | CallChainLink *link = new CallChainLink(func); |
<> | 149:156823d33999 | 76 | link->next = _chain; |
<> | 149:156823d33999 | 77 | _chain = link; |
<> | 149:156823d33999 | 78 | return &link->cb; |
<> | 149:156823d33999 | 79 | } |
<> | 149:156823d33999 | 80 | |
AnnaBridge | 187:0387e8f68319 | 81 | int CallChain::size() const |
AnnaBridge | 187:0387e8f68319 | 82 | { |
<> | 149:156823d33999 | 83 | CallChainLink *link = _chain; |
<> | 149:156823d33999 | 84 | int elements = 0; |
<> | 149:156823d33999 | 85 | while (link != NULL) { |
<> | 149:156823d33999 | 86 | elements++; |
<> | 149:156823d33999 | 87 | link = link->next; |
<> | 149:156823d33999 | 88 | } |
<> | 149:156823d33999 | 89 | return elements; |
<> | 149:156823d33999 | 90 | } |
<> | 149:156823d33999 | 91 | |
AnnaBridge | 187:0387e8f68319 | 92 | pFunctionPointer_t CallChain::get(int idx) const |
AnnaBridge | 187:0387e8f68319 | 93 | { |
<> | 149:156823d33999 | 94 | CallChainLink *link = _chain; |
<> | 149:156823d33999 | 95 | for (int i = 0; i < idx; i++) { |
<> | 149:156823d33999 | 96 | if (NULL == link) { |
<> | 149:156823d33999 | 97 | break; |
<> | 149:156823d33999 | 98 | } |
<> | 149:156823d33999 | 99 | link = link->next; |
<> | 149:156823d33999 | 100 | } |
<> | 149:156823d33999 | 101 | return &link->cb; |
<> | 149:156823d33999 | 102 | } |
<> | 149:156823d33999 | 103 | |
AnnaBridge | 187:0387e8f68319 | 104 | int CallChain::find(pFunctionPointer_t f) const |
AnnaBridge | 187:0387e8f68319 | 105 | { |
<> | 149:156823d33999 | 106 | CallChainLink *link = _chain; |
<> | 149:156823d33999 | 107 | int i = 0; |
<> | 149:156823d33999 | 108 | while (link != NULL) { |
<> | 149:156823d33999 | 109 | if (f == &link->cb) { |
<> | 149:156823d33999 | 110 | return i; |
<> | 149:156823d33999 | 111 | } |
<> | 149:156823d33999 | 112 | i++; |
<> | 149:156823d33999 | 113 | link = link->next; |
<> | 149:156823d33999 | 114 | } |
<> | 149:156823d33999 | 115 | return -1; |
<> | 149:156823d33999 | 116 | } |
<> | 149:156823d33999 | 117 | |
AnnaBridge | 187:0387e8f68319 | 118 | void CallChain::clear() |
AnnaBridge | 187:0387e8f68319 | 119 | { |
<> | 149:156823d33999 | 120 | CallChainLink *link = _chain; |
<> | 149:156823d33999 | 121 | _chain = NULL; |
<> | 149:156823d33999 | 122 | while (link != NULL) { |
<> | 149:156823d33999 | 123 | CallChainLink *temp = link->next; |
<> | 149:156823d33999 | 124 | delete link; |
<> | 149:156823d33999 | 125 | link = temp; |
<> | 149:156823d33999 | 126 | } |
<> | 149:156823d33999 | 127 | } |
<> | 149:156823d33999 | 128 | |
AnnaBridge | 187:0387e8f68319 | 129 | bool CallChain::remove(pFunctionPointer_t f) |
AnnaBridge | 187:0387e8f68319 | 130 | { |
<> | 149:156823d33999 | 131 | CallChainLink *link = _chain; |
<> | 149:156823d33999 | 132 | while (link != NULL) { |
<> | 149:156823d33999 | 133 | if (f == &link->cb) { |
<> | 149:156823d33999 | 134 | delete link; |
<> | 149:156823d33999 | 135 | return true; |
<> | 149:156823d33999 | 136 | } |
<> | 149:156823d33999 | 137 | link = link->next; |
<> | 149:156823d33999 | 138 | } |
<> | 149:156823d33999 | 139 | return false; |
<> | 149:156823d33999 | 140 | } |
<> | 149:156823d33999 | 141 | |
AnnaBridge | 187:0387e8f68319 | 142 | void CallChain::call() |
AnnaBridge | 187:0387e8f68319 | 143 | { |
<> | 149:156823d33999 | 144 | CallChainLink *link = _chain; |
<> | 149:156823d33999 | 145 | while (link != NULL) { |
<> | 149:156823d33999 | 146 | link->cb.call(); |
<> | 149:156823d33999 | 147 | link = link->next; |
<> | 149:156823d33999 | 148 | } |
<> | 149:156823d33999 | 149 | } |
<> | 149:156823d33999 | 150 | |
<> | 149:156823d33999 | 151 | } // namespace mbed |