song zhao / smartball_project_test_board

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   BLE_API nRF51822

Fork of BLE_NODE_TEST by Yihui Xiong

mbed-src/common/CallChain.cpp@9:05f0b5a3a70a, 2014-10-29 (annotated)

Committer:
yihui
Date:
Wed Oct 29 06:23:47 2014 +0000
Revision:
9:05f0b5a3a70a
initial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 9:05f0b5a3a70a 1 #include "CallChain.h"
yihui 9:05f0b5a3a70a 2 #include "cmsis.h"
yihui 9:05f0b5a3a70a 3
yihui 9:05f0b5a3a70a 4 namespace mbed {
yihui 9:05f0b5a3a70a 5
yihui 9:05f0b5a3a70a 6 CallChain::CallChain(int size) : _chain(), _size(size), _elements(0) {
yihui 9:05f0b5a3a70a 7 _chain = new pFunctionPointer_t[size]();
yihui 9:05f0b5a3a70a 8 }
yihui 9:05f0b5a3a70a 9
yihui 9:05f0b5a3a70a 10 CallChain::~CallChain() {
yihui 9:05f0b5a3a70a 11 clear();
yihui 9:05f0b5a3a70a 12 delete _chain;
yihui 9:05f0b5a3a70a 13 }
yihui 9:05f0b5a3a70a 14
yihui 9:05f0b5a3a70a 15 pFunctionPointer_t CallChain::add(void (*function)(void)) {
yihui 9:05f0b5a3a70a 16 return common_add(new FunctionPointer(function));
yihui 9:05f0b5a3a70a 17 }
yihui 9:05f0b5a3a70a 18
yihui 9:05f0b5a3a70a 19 pFunctionPointer_t CallChain::add_front(void (*function)(void)) {
yihui 9:05f0b5a3a70a 20 return common_add_front(new FunctionPointer(function));
yihui 9:05f0b5a3a70a 21 }
yihui 9:05f0b5a3a70a 22
yihui 9:05f0b5a3a70a 23 int CallChain::size() const {
yihui 9:05f0b5a3a70a 24 return _elements;
yihui 9:05f0b5a3a70a 25 }
yihui 9:05f0b5a3a70a 26
yihui 9:05f0b5a3a70a 27 pFunctionPointer_t CallChain::get(int i) const {
yihui 9:05f0b5a3a70a 28 if (i < 0 || i >= _elements)
yihui 9:05f0b5a3a70a 29 return NULL;
yihui 9:05f0b5a3a70a 30 return _chain[i];
yihui 9:05f0b5a3a70a 31 }
yihui 9:05f0b5a3a70a 32
yihui 9:05f0b5a3a70a 33 int CallChain::find(pFunctionPointer_t f) const {
yihui 9:05f0b5a3a70a 34 for (int i = 0; i < _elements; i++)
yihui 9:05f0b5a3a70a 35 if (f == _chain[i])
yihui 9:05f0b5a3a70a 36 return i;
yihui 9:05f0b5a3a70a 37 return -1;
yihui 9:05f0b5a3a70a 38 }
yihui 9:05f0b5a3a70a 39
yihui 9:05f0b5a3a70a 40 void CallChain::clear() {
yihui 9:05f0b5a3a70a 41 for(int i = 0; i < _elements; i ++) {
yihui 9:05f0b5a3a70a 42 delete _chain[i];
yihui 9:05f0b5a3a70a 43 _chain[i] = NULL;
yihui 9:05f0b5a3a70a 44 }
yihui 9:05f0b5a3a70a 45 _elements = 0;
yihui 9:05f0b5a3a70a 46 }
yihui 9:05f0b5a3a70a 47
yihui 9:05f0b5a3a70a 48 bool CallChain::remove(pFunctionPointer_t f) {
yihui 9:05f0b5a3a70a 49 int i;
yihui 9:05f0b5a3a70a 50
yihui 9:05f0b5a3a70a 51 if ((i = find(f)) == -1)
yihui 9:05f0b5a3a70a 52 return false;
yihui 9:05f0b5a3a70a 53 if (i != _elements - 1)
yihui 9:05f0b5a3a70a 54 memmove(_chain + i, _chain + i + 1, (_elements - i - 1) * sizeof(pFunctionPointer_t));
yihui 9:05f0b5a3a70a 55 delete f;
yihui 9:05f0b5a3a70a 56 _elements --;
yihui 9:05f0b5a3a70a 57 return true;
yihui 9:05f0b5a3a70a 58 }
yihui 9:05f0b5a3a70a 59
yihui 9:05f0b5a3a70a 60 void CallChain::call() {
yihui 9:05f0b5a3a70a 61 for(int i = 0; i < _elements; i++)
yihui 9:05f0b5a3a70a 62 _chain[i]->call();
yihui 9:05f0b5a3a70a 63 }
yihui 9:05f0b5a3a70a 64
yihui 9:05f0b5a3a70a 65 void CallChain::_check_size() {
yihui 9:05f0b5a3a70a 66 if (_elements < _size)
yihui 9:05f0b5a3a70a 67 return;
yihui 9:05f0b5a3a70a 68 _size = (_size < 4) ? 4 : _size + 4;
yihui 9:05f0b5a3a70a 69 pFunctionPointer_t* new_chain = new pFunctionPointer_t[_size]();
yihui 9:05f0b5a3a70a 70 memcpy(new_chain, _chain, _elements * sizeof(pFunctionPointer_t));
yihui 9:05f0b5a3a70a 71 delete _chain;
yihui 9:05f0b5a3a70a 72 _chain = new_chain;
yihui 9:05f0b5a3a70a 73 }
yihui 9:05f0b5a3a70a 74
yihui 9:05f0b5a3a70a 75 pFunctionPointer_t CallChain::common_add(pFunctionPointer_t pf) {
yihui 9:05f0b5a3a70a 76 _check_size();
yihui 9:05f0b5a3a70a 77 _chain[_elements] = pf;
yihui 9:05f0b5a3a70a 78 _elements ++;
yihui 9:05f0b5a3a70a 79 return pf;
yihui 9:05f0b5a3a70a 80 }
yihui 9:05f0b5a3a70a 81
yihui 9:05f0b5a3a70a 82 pFunctionPointer_t CallChain::common_add_front(pFunctionPointer_t pf) {
yihui 9:05f0b5a3a70a 83 _check_size();
yihui 9:05f0b5a3a70a 84 memmove(_chain + 1, _chain, _elements * sizeof(pFunctionPointer_t));
yihui 9:05f0b5a3a70a 85 _chain[0] = pf;
yihui 9:05f0b5a3a70a 86 _elements ++;
yihui 9:05f0b5a3a70a 87 return pf;
yihui 9:05f0b5a3a70a 88 }
yihui 9:05f0b5a3a70a 89
yihui 9:05f0b5a3a70a 90 } // namespace mbed