不韋 呂 / F746_SD_Player_Demo

Demo program for library named SD_PlayerSkeleton of SD card player skeleton. SD カードプレーヤのための骨組みとして使うためのライブラリ SD_PlayerSkeleton の使用例．このプログラムについては，CQ出版社インターフェース誌 2018年7月号で解説している．

Dependencies:   F746_GUI F746_SAI_IO SD_PlayerSkeleton

mbed_src_STM32F7/common/CallChain.cpp@19:3c3833ec00d2, 2017-04-09 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Apr 09 12:44:17 2017 +0000
Revision:
19:3c3833ec00d2
Parent:
2:cf42e62a97dc 
20

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 2:cf42e62a97dc 1 #include "CallChain.h"
MikamiUitOpen 2:cf42e62a97dc 2 #include "cmsis.h"
MikamiUitOpen 2:cf42e62a97dc 3
MikamiUitOpen 2:cf42e62a97dc 4 namespace mbed {
MikamiUitOpen 2:cf42e62a97dc 5
MikamiUitOpen 2:cf42e62a97dc 6 CallChain::CallChain(int size) : _chain(), _size(size), _elements(0) {
MikamiUitOpen 2:cf42e62a97dc 7 _chain = new pFunctionPointer_t[size]();
MikamiUitOpen 2:cf42e62a97dc 8 }
MikamiUitOpen 2:cf42e62a97dc 9
MikamiUitOpen 2:cf42e62a97dc 10 CallChain::~CallChain() {
MikamiUitOpen 2:cf42e62a97dc 11 clear();
MikamiUitOpen 2:cf42e62a97dc 12 delete _chain;
MikamiUitOpen 2:cf42e62a97dc 13 }
MikamiUitOpen 2:cf42e62a97dc 14
MikamiUitOpen 2:cf42e62a97dc 15 pFunctionPointer_t CallChain::add(void (*function)(void)) {
MikamiUitOpen 2:cf42e62a97dc 16 return common_add(new FunctionPointer(function));
MikamiUitOpen 2:cf42e62a97dc 17 }
MikamiUitOpen 2:cf42e62a97dc 18
MikamiUitOpen 2:cf42e62a97dc 19 pFunctionPointer_t CallChain::add_front(void (*function)(void)) {
MikamiUitOpen 2:cf42e62a97dc 20 return common_add_front(new FunctionPointer(function));
MikamiUitOpen 2:cf42e62a97dc 21 }
MikamiUitOpen 2:cf42e62a97dc 22
MikamiUitOpen 2:cf42e62a97dc 23 int CallChain::size() const {
MikamiUitOpen 2:cf42e62a97dc 24 return _elements;
MikamiUitOpen 2:cf42e62a97dc 25 }
MikamiUitOpen 2:cf42e62a97dc 26
MikamiUitOpen 2:cf42e62a97dc 27 pFunctionPointer_t CallChain::get(int i) const {
MikamiUitOpen 2:cf42e62a97dc 28 if (i < 0 || i >= _elements)
MikamiUitOpen 2:cf42e62a97dc 29 return NULL;
MikamiUitOpen 2:cf42e62a97dc 30 return _chain[i];
MikamiUitOpen 2:cf42e62a97dc 31 }
MikamiUitOpen 2:cf42e62a97dc 32
MikamiUitOpen 2:cf42e62a97dc 33 int CallChain::find(pFunctionPointer_t f) const {
MikamiUitOpen 2:cf42e62a97dc 34 for (int i = 0; i < _elements; i++)
MikamiUitOpen 2:cf42e62a97dc 35 if (f == _chain[i])
MikamiUitOpen 2:cf42e62a97dc 36 return i;
MikamiUitOpen 2:cf42e62a97dc 37 return -1;
MikamiUitOpen 2:cf42e62a97dc 38 }
MikamiUitOpen 2:cf42e62a97dc 39
MikamiUitOpen 2:cf42e62a97dc 40 void CallChain::clear() {
MikamiUitOpen 2:cf42e62a97dc 41 for(int i = 0; i < _elements; i ++) {
MikamiUitOpen 2:cf42e62a97dc 42 delete _chain[i];
MikamiUitOpen 2:cf42e62a97dc 43 _chain[i] = NULL;
MikamiUitOpen 2:cf42e62a97dc 44 }
MikamiUitOpen 2:cf42e62a97dc 45 _elements = 0;
MikamiUitOpen 2:cf42e62a97dc 46 }
MikamiUitOpen 2:cf42e62a97dc 47
MikamiUitOpen 2:cf42e62a97dc 48 bool CallChain::remove(pFunctionPointer_t f) {
MikamiUitOpen 2:cf42e62a97dc 49 int i;
MikamiUitOpen 2:cf42e62a97dc 50
MikamiUitOpen 2:cf42e62a97dc 51 if ((i = find(f)) == -1)
MikamiUitOpen 2:cf42e62a97dc 52 return false;
MikamiUitOpen 2:cf42e62a97dc 53 if (i != _elements - 1)
MikamiUitOpen 2:cf42e62a97dc 54 memmove(_chain + i, _chain + i + 1, (_elements - i - 1) * sizeof(pFunctionPointer_t));
MikamiUitOpen 2:cf42e62a97dc 55 delete f;
MikamiUitOpen 2:cf42e62a97dc 56 _elements --;
MikamiUitOpen 2:cf42e62a97dc 57 return true;
MikamiUitOpen 2:cf42e62a97dc 58 }
MikamiUitOpen 2:cf42e62a97dc 59
MikamiUitOpen 2:cf42e62a97dc 60 void CallChain::call() {
MikamiUitOpen 2:cf42e62a97dc 61 for(int i = 0; i < _elements; i++)
MikamiUitOpen 2:cf42e62a97dc 62 _chain[i]->call();
MikamiUitOpen 2:cf42e62a97dc 63 }
MikamiUitOpen 2:cf42e62a97dc 64
MikamiUitOpen 2:cf42e62a97dc 65 void CallChain::_check_size() {
MikamiUitOpen 2:cf42e62a97dc 66 if (_elements < _size)
MikamiUitOpen 2:cf42e62a97dc 67 return;
MikamiUitOpen 2:cf42e62a97dc 68 _size = (_size < 4) ? 4 : _size + 4;
MikamiUitOpen 2:cf42e62a97dc 69 pFunctionPointer_t* new_chain = new pFunctionPointer_t[_size]();
MikamiUitOpen 2:cf42e62a97dc 70 memcpy(new_chain, _chain, _elements * sizeof(pFunctionPointer_t));
MikamiUitOpen 2:cf42e62a97dc 71 delete _chain;
MikamiUitOpen 2:cf42e62a97dc 72 _chain = new_chain;
MikamiUitOpen 2:cf42e62a97dc 73 }
MikamiUitOpen 2:cf42e62a97dc 74
MikamiUitOpen 2:cf42e62a97dc 75 pFunctionPointer_t CallChain::common_add(pFunctionPointer_t pf) {
MikamiUitOpen 2:cf42e62a97dc 76 _check_size();
MikamiUitOpen 2:cf42e62a97dc 77 _chain[_elements] = pf;
MikamiUitOpen 2:cf42e62a97dc 78 _elements ++;
MikamiUitOpen 2:cf42e62a97dc 79 return pf;
MikamiUitOpen 2:cf42e62a97dc 80 }
MikamiUitOpen 2:cf42e62a97dc 81
MikamiUitOpen 2:cf42e62a97dc 82 pFunctionPointer_t CallChain::common_add_front(pFunctionPointer_t pf) {
MikamiUitOpen 2:cf42e62a97dc 83 _check_size();
MikamiUitOpen 2:cf42e62a97dc 84 memmove(_chain + 1, _chain, _elements * sizeof(pFunctionPointer_t));
MikamiUitOpen 2:cf42e62a97dc 85 _chain[0] = pf;
MikamiUitOpen 2:cf42e62a97dc 86 _elements ++;
MikamiUitOpen 2:cf42e62a97dc 87 return pf;
MikamiUitOpen 2:cf42e62a97dc 88 }
MikamiUitOpen 2:cf42e62a97dc 89
MikamiUitOpen 2:cf42e62a97dc 90 } // namespace mbed