Maxim nexpaq / nexpaq_dev

Preliminary main mbed library for nexpaq development

hal/common/CallChain.cpp@1:d96dbedaebdb, 2016-11-04 (annotated)

Committer:
nexpaq
Date:
Fri Nov 04 20:54:50 2016 +0000
Revision:
1:d96dbedaebdb
Parent:
0:6c56fb4bc5f0 
Removed extra directories for other platforms

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 0:6c56fb4bc5f0 1 #include "CallChain.h"
nexpaq 0:6c56fb4bc5f0 2 #include "cmsis.h"
nexpaq 0:6c56fb4bc5f0 3 #include "critical.h"
nexpaq 0:6c56fb4bc5f0 4
nexpaq 0:6c56fb4bc5f0 5 namespace mbed {
nexpaq 0:6c56fb4bc5f0 6
nexpaq 0:6c56fb4bc5f0 7 class CallChainLink {
nexpaq 0:6c56fb4bc5f0 8 public:
nexpaq 0:6c56fb4bc5f0 9 CallChainLink(): cb(), next(NULL) {
nexpaq 0:6c56fb4bc5f0 10 // No work to do
nexpaq 0:6c56fb4bc5f0 11 }
nexpaq 0:6c56fb4bc5f0 12
nexpaq 0:6c56fb4bc5f0 13 CallChainLink(Callback<void()> &callback): cb(callback), next(NULL) {
nexpaq 0:6c56fb4bc5f0 14 // No work to do
nexpaq 0:6c56fb4bc5f0 15 }
nexpaq 0:6c56fb4bc5f0 16 Callback<void()> cb;
nexpaq 0:6c56fb4bc5f0 17 CallChainLink * next;
nexpaq 0:6c56fb4bc5f0 18 };
nexpaq 0:6c56fb4bc5f0 19
nexpaq 0:6c56fb4bc5f0 20 CallChain::CallChain(int size) : _chain(NULL) {
nexpaq 0:6c56fb4bc5f0 21 // No work to do
nexpaq 0:6c56fb4bc5f0 22 }
nexpaq 0:6c56fb4bc5f0 23
nexpaq 0:6c56fb4bc5f0 24 CallChain::~CallChain() {
nexpaq 0:6c56fb4bc5f0 25 clear();
nexpaq 0:6c56fb4bc5f0 26 }
nexpaq 0:6c56fb4bc5f0 27
nexpaq 0:6c56fb4bc5f0 28 pFunctionPointer_t CallChain::add(Callback<void()> func) {
nexpaq 0:6c56fb4bc5f0 29 CallChainLink *new_link = new CallChainLink(func);
nexpaq 0:6c56fb4bc5f0 30 if (NULL == _chain) {
nexpaq 0:6c56fb4bc5f0 31 _chain = new_link;
nexpaq 0:6c56fb4bc5f0 32 return &new_link->cb;
nexpaq 0:6c56fb4bc5f0 33 }
nexpaq 0:6c56fb4bc5f0 34
nexpaq 0:6c56fb4bc5f0 35 CallChainLink *link = _chain;
nexpaq 0:6c56fb4bc5f0 36 while (true) {
nexpaq 0:6c56fb4bc5f0 37 if (NULL == link->next) {
nexpaq 0:6c56fb4bc5f0 38 link->next = new_link;
nexpaq 0:6c56fb4bc5f0 39 return &new_link->cb;
nexpaq 0:6c56fb4bc5f0 40 }
nexpaq 0:6c56fb4bc5f0 41 link = link->next;
nexpaq 0:6c56fb4bc5f0 42 }
nexpaq 0:6c56fb4bc5f0 43 }
nexpaq 0:6c56fb4bc5f0 44
nexpaq 0:6c56fb4bc5f0 45 pFunctionPointer_t CallChain::add_front(Callback<void()> func) {
nexpaq 0:6c56fb4bc5f0 46 CallChainLink *link = new CallChainLink(func);
nexpaq 0:6c56fb4bc5f0 47 link->next = _chain;
nexpaq 0:6c56fb4bc5f0 48 _chain = link->next;
nexpaq 0:6c56fb4bc5f0 49 return &link->cb;
nexpaq 0:6c56fb4bc5f0 50 }
nexpaq 0:6c56fb4bc5f0 51
nexpaq 0:6c56fb4bc5f0 52 int CallChain::size() const {
nexpaq 0:6c56fb4bc5f0 53 CallChainLink *link = _chain;
nexpaq 0:6c56fb4bc5f0 54 int elements = 0;
nexpaq 0:6c56fb4bc5f0 55 while (link != NULL) {
nexpaq 0:6c56fb4bc5f0 56 elements++;
nexpaq 0:6c56fb4bc5f0 57 link = link->next;
nexpaq 0:6c56fb4bc5f0 58 }
nexpaq 0:6c56fb4bc5f0 59 return elements;
nexpaq 0:6c56fb4bc5f0 60 }
nexpaq 0:6c56fb4bc5f0 61
nexpaq 0:6c56fb4bc5f0 62 pFunctionPointer_t CallChain::get(int idx) const {
nexpaq 0:6c56fb4bc5f0 63 CallChainLink *link = _chain;
nexpaq 0:6c56fb4bc5f0 64 for (int i = 0; i < idx; i++) {
nexpaq 0:6c56fb4bc5f0 65 if (NULL == link) {
nexpaq 0:6c56fb4bc5f0 66 break;
nexpaq 0:6c56fb4bc5f0 67 }
nexpaq 0:6c56fb4bc5f0 68 link = link->next;
nexpaq 0:6c56fb4bc5f0 69 }
nexpaq 0:6c56fb4bc5f0 70 return &link->cb;
nexpaq 0:6c56fb4bc5f0 71 }
nexpaq 0:6c56fb4bc5f0 72
nexpaq 0:6c56fb4bc5f0 73 int CallChain::find(pFunctionPointer_t f) const {
nexpaq 0:6c56fb4bc5f0 74 CallChainLink *link = _chain;
nexpaq 0:6c56fb4bc5f0 75 int i = 0;
nexpaq 0:6c56fb4bc5f0 76 while (link != NULL) {
nexpaq 0:6c56fb4bc5f0 77 if (f == &link->cb) {
nexpaq 0:6c56fb4bc5f0 78 return i;
nexpaq 0:6c56fb4bc5f0 79 }
nexpaq 0:6c56fb4bc5f0 80 i++;
nexpaq 0:6c56fb4bc5f0 81 link = link->next;
nexpaq 0:6c56fb4bc5f0 82 }
nexpaq 0:6c56fb4bc5f0 83 return -1;
nexpaq 0:6c56fb4bc5f0 84 }
nexpaq 0:6c56fb4bc5f0 85
nexpaq 0:6c56fb4bc5f0 86 void CallChain::clear() {
nexpaq 0:6c56fb4bc5f0 87 CallChainLink *link = _chain;
nexpaq 0:6c56fb4bc5f0 88 _chain = NULL;
nexpaq 0:6c56fb4bc5f0 89 while (link != NULL) {
nexpaq 0:6c56fb4bc5f0 90 CallChainLink *temp = link->next;
nexpaq 0:6c56fb4bc5f0 91 delete link;
nexpaq 0:6c56fb4bc5f0 92 link = temp;
nexpaq 0:6c56fb4bc5f0 93 }
nexpaq 0:6c56fb4bc5f0 94 }
nexpaq 0:6c56fb4bc5f0 95
nexpaq 0:6c56fb4bc5f0 96 bool CallChain::remove(pFunctionPointer_t f) {
nexpaq 0:6c56fb4bc5f0 97 CallChainLink *link = _chain;
nexpaq 0:6c56fb4bc5f0 98 while (link != NULL) {
nexpaq 0:6c56fb4bc5f0 99 if (f == &link->cb) {
nexpaq 0:6c56fb4bc5f0 100 delete link;
nexpaq 0:6c56fb4bc5f0 101 return true;
nexpaq 0:6c56fb4bc5f0 102 }
nexpaq 0:6c56fb4bc5f0 103 link = link->next;
nexpaq 0:6c56fb4bc5f0 104 }
nexpaq 0:6c56fb4bc5f0 105 return false;
nexpaq 0:6c56fb4bc5f0 106 }
nexpaq 0:6c56fb4bc5f0 107
nexpaq 0:6c56fb4bc5f0 108 void CallChain::call() {
nexpaq 0:6c56fb4bc5f0 109 CallChainLink *link = _chain;
nexpaq 0:6c56fb4bc5f0 110 while (link != NULL) {
nexpaq 0:6c56fb4bc5f0 111 link->cb.call();
nexpaq 0:6c56fb4bc5f0 112 link = link->next;
nexpaq 0:6c56fb4bc5f0 113 }
nexpaq 0:6c56fb4bc5f0 114 }
nexpaq 0:6c56fb4bc5f0 115
nexpaq 0:6c56fb4bc5f0 116 } // namespace mbed