不韋 呂 / F746_SD_GraphicEqualizer

Output the audio signal with filtering by graphic equalizer in the *.wav file on the SD card using onboard CODEC. SD カードの *.wav ファイルのオーディオ信号をグラフィック･イコライザを通して，ボードに搭載されているCODEC で出力する．

Dependencies:   F746_GUI F746_SAI_IO SD_PlayerSkeleton FrequencyResponseDrawer

mbed_src_STM32F7/common/CallChain.cpp@24:f78f9d0ac262, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 04:07:35 2017 +0000
Revision:
24:f78f9d0ac262
Parent:
16:cbb726ac20d8 
25

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 16:cbb726ac20d8 1 #include "CallChain.h"
MikamiUitOpen 16:cbb726ac20d8 2 #include "cmsis.h"
MikamiUitOpen 16:cbb726ac20d8 3
MikamiUitOpen 16:cbb726ac20d8 4 namespace mbed {
MikamiUitOpen 16:cbb726ac20d8 5
MikamiUitOpen 16:cbb726ac20d8 6 CallChain::CallChain(int size) : _chain(), _size(size), _elements(0) {
MikamiUitOpen 16:cbb726ac20d8 7 _chain = new pFunctionPointer_t[size]();
MikamiUitOpen 16:cbb726ac20d8 8 }
MikamiUitOpen 16:cbb726ac20d8 9
MikamiUitOpen 16:cbb726ac20d8 10 CallChain::~CallChain() {
MikamiUitOpen 16:cbb726ac20d8 11 clear();
MikamiUitOpen 16:cbb726ac20d8 12 delete _chain;
MikamiUitOpen 16:cbb726ac20d8 13 }
MikamiUitOpen 16:cbb726ac20d8 14
MikamiUitOpen 16:cbb726ac20d8 15 pFunctionPointer_t CallChain::add(void (*function)(void)) {
MikamiUitOpen 16:cbb726ac20d8 16 return common_add(new FunctionPointer(function));
MikamiUitOpen 16:cbb726ac20d8 17 }
MikamiUitOpen 16:cbb726ac20d8 18
MikamiUitOpen 16:cbb726ac20d8 19 pFunctionPointer_t CallChain::add_front(void (*function)(void)) {
MikamiUitOpen 16:cbb726ac20d8 20 return common_add_front(new FunctionPointer(function));
MikamiUitOpen 16:cbb726ac20d8 21 }
MikamiUitOpen 16:cbb726ac20d8 22
MikamiUitOpen 16:cbb726ac20d8 23 int CallChain::size() const {
MikamiUitOpen 16:cbb726ac20d8 24 return _elements;
MikamiUitOpen 16:cbb726ac20d8 25 }
MikamiUitOpen 16:cbb726ac20d8 26
MikamiUitOpen 16:cbb726ac20d8 27 pFunctionPointer_t CallChain::get(int i) const {
MikamiUitOpen 16:cbb726ac20d8 28 if (i < 0 || i >= _elements)
MikamiUitOpen 16:cbb726ac20d8 29 return NULL;
MikamiUitOpen 16:cbb726ac20d8 30 return _chain[i];
MikamiUitOpen 16:cbb726ac20d8 31 }
MikamiUitOpen 16:cbb726ac20d8 32
MikamiUitOpen 16:cbb726ac20d8 33 int CallChain::find(pFunctionPointer_t f) const {
MikamiUitOpen 16:cbb726ac20d8 34 for (int i = 0; i < _elements; i++)
MikamiUitOpen 16:cbb726ac20d8 35 if (f == _chain[i])
MikamiUitOpen 16:cbb726ac20d8 36 return i;
MikamiUitOpen 16:cbb726ac20d8 37 return -1;
MikamiUitOpen 16:cbb726ac20d8 38 }
MikamiUitOpen 16:cbb726ac20d8 39
MikamiUitOpen 16:cbb726ac20d8 40 void CallChain::clear() {
MikamiUitOpen 16:cbb726ac20d8 41 for(int i = 0; i < _elements; i ++) {
MikamiUitOpen 16:cbb726ac20d8 42 delete _chain[i];
MikamiUitOpen 16:cbb726ac20d8 43 _chain[i] = NULL;
MikamiUitOpen 16:cbb726ac20d8 44 }
MikamiUitOpen 16:cbb726ac20d8 45 _elements = 0;
MikamiUitOpen 16:cbb726ac20d8 46 }
MikamiUitOpen 16:cbb726ac20d8 47
MikamiUitOpen 16:cbb726ac20d8 48 bool CallChain::remove(pFunctionPointer_t f) {
MikamiUitOpen 16:cbb726ac20d8 49 int i;
MikamiUitOpen 16:cbb726ac20d8 50
MikamiUitOpen 16:cbb726ac20d8 51 if ((i = find(f)) == -1)
MikamiUitOpen 16:cbb726ac20d8 52 return false;
MikamiUitOpen 16:cbb726ac20d8 53 if (i != _elements - 1)
MikamiUitOpen 16:cbb726ac20d8 54 memmove(_chain + i, _chain + i + 1, (_elements - i - 1) * sizeof(pFunctionPointer_t));
MikamiUitOpen 16:cbb726ac20d8 55 delete f;
MikamiUitOpen 16:cbb726ac20d8 56 _elements --;
MikamiUitOpen 16:cbb726ac20d8 57 return true;
MikamiUitOpen 16:cbb726ac20d8 58 }
MikamiUitOpen 16:cbb726ac20d8 59
MikamiUitOpen 16:cbb726ac20d8 60 void CallChain::call() {
MikamiUitOpen 16:cbb726ac20d8 61 for(int i = 0; i < _elements; i++)
MikamiUitOpen 16:cbb726ac20d8 62 _chain[i]->call();
MikamiUitOpen 16:cbb726ac20d8 63 }
MikamiUitOpen 16:cbb726ac20d8 64
MikamiUitOpen 16:cbb726ac20d8 65 void CallChain::_check_size() {
MikamiUitOpen 16:cbb726ac20d8 66 if (_elements < _size)
MikamiUitOpen 16:cbb726ac20d8 67 return;
MikamiUitOpen 16:cbb726ac20d8 68 _size = (_size < 4) ? 4 : _size + 4;
MikamiUitOpen 16:cbb726ac20d8 69 pFunctionPointer_t* new_chain = new pFunctionPointer_t[_size]();
MikamiUitOpen 16:cbb726ac20d8 70 memcpy(new_chain, _chain, _elements * sizeof(pFunctionPointer_t));
MikamiUitOpen 16:cbb726ac20d8 71 delete _chain;
MikamiUitOpen 16:cbb726ac20d8 72 _chain = new_chain;
MikamiUitOpen 16:cbb726ac20d8 73 }
MikamiUitOpen 16:cbb726ac20d8 74
MikamiUitOpen 16:cbb726ac20d8 75 pFunctionPointer_t CallChain::common_add(pFunctionPointer_t pf) {
MikamiUitOpen 16:cbb726ac20d8 76 _check_size();
MikamiUitOpen 16:cbb726ac20d8 77 _chain[_elements] = pf;
MikamiUitOpen 16:cbb726ac20d8 78 _elements ++;
MikamiUitOpen 16:cbb726ac20d8 79 return pf;
MikamiUitOpen 16:cbb726ac20d8 80 }
MikamiUitOpen 16:cbb726ac20d8 81
MikamiUitOpen 16:cbb726ac20d8 82 pFunctionPointer_t CallChain::common_add_front(pFunctionPointer_t pf) {
MikamiUitOpen 16:cbb726ac20d8 83 _check_size();
MikamiUitOpen 16:cbb726ac20d8 84 memmove(_chain + 1, _chain, _elements * sizeof(pFunctionPointer_t));
MikamiUitOpen 16:cbb726ac20d8 85 _chain[0] = pf;
MikamiUitOpen 16:cbb726ac20d8 86 _elements ++;
MikamiUitOpen 16:cbb726ac20d8 87 return pf;
MikamiUitOpen 16:cbb726ac20d8 88 }
MikamiUitOpen 16:cbb726ac20d8 89
MikamiUitOpen 16:cbb726ac20d8 90 } // namespace mbed