不韋 呂 / Mbed 2 deprecated F746_SD_WavPlayer

Output the audio signal with filtering by IIR filter 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遮断周波数可変の IIR フィルタを通して，ボードに搭載されているCODEC で出力する．

Dependencies:   BSP_DISCO_F746NG F746_GUI LCD_DISCO_F746NG SDFileSystem_Warning_Fixed TS_DISCO_F746NG mbed FrequencyResponseDrawer F746_SAI_IO Array_Matrix

MyClasses_Functions/FileSelectorWav.hpp@5:3e8ca1ed31a1, 2016-05-01 (annotated)

Committer:
MikamiUitOpen
Date:
Sun May 01 02:45:17 2016 +0000
Revision:
5:3e8ca1ed31a1
Parent:
0:04b43b777fae
Child:
11:769d986c10fa
6

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:04b43b777fae 1 //--------------------------------------------------------------
MikamiUitOpen 0:04b43b777fae 2 // FileSelector class
MikamiUitOpen 0:04b43b777fae 3 // SD カード内のファイル名の一覧を表示し，ファイルを選択する
MikamiUitOpen 0:04b43b777fae 4 //
MikamiUitOpen 0:04b43b777fae 5 // 2016/04/18, Copyright (c) 2016 MIKAMI, Naoki
MikamiUitOpen 0:04b43b777fae 6 //--------------------------------------------------------------
MikamiUitOpen 0:04b43b777fae 7
MikamiUitOpen 0:04b43b777fae 8 #ifndef FILE_SELECTOR_HPP
MikamiUitOpen 0:04b43b777fae 9 #define FILE_SELECTOR_HPP
MikamiUitOpen 0:04b43b777fae 10
MikamiUitOpen 0:04b43b777fae 11 #include "mbed.h"
MikamiUitOpen 0:04b43b777fae 12 #include "Label.hpp"
MikamiUitOpen 0:04b43b777fae 13 #include "ButtonGroup.hpp"
MikamiUitOpen 0:04b43b777fae 14 #include "SD_WavReader.hpp"
MikamiUitOpen 0:04b43b777fae 15 #include "SDFileSystem.h"
MikamiUitOpen 0:04b43b777fae 16 #include <algorithm> // sort() で使用
MikamiUitOpen 0:04b43b777fae 17 #include <string>
MikamiUitOpen 0:04b43b777fae 18
MikamiUitOpen 0:04b43b777fae 19 namespace Mikami
MikamiUitOpen 0:04b43b777fae 20 {
MikamiUitOpen 0:04b43b777fae 21 class FileSelector
MikamiUitOpen 0:04b43b777fae 22 {
MikamiUitOpen 0:04b43b777fae 23 public:
MikamiUitOpen 0:04b43b777fae 24 FileSelector(uint8_t x0, uint8_t y0, int maxFiles,
MikamiUitOpen 0:04b43b777fae 25 int maxNameLength, SD_WavReader &reader)
MikamiUitOpen 0:04b43b777fae 26 : X_(x0), Y_(y0), W_H_(24), V_L_(36),
MikamiUitOpen 0:04b43b777fae 27 MAX_FILES_(maxFiles), MAX_NAME_LENGTH_(maxNameLength),
MikamiUitOpen 0:04b43b777fae 28 BASE_COLOR_(0xFF80FFA0), TOUCHED_COLOR_(0xFF80FFFF),
MikamiUitOpen 0:04b43b777fae 29 fileNames_(new string[maxFiles]),
MikamiUitOpen 0:04b43b777fae 30 sortedFileNames_(new string[maxFiles]),
MikamiUitOpen 0:04b43b777fae 31 nonString_(NULL), rect_(NULL), fileNameLabels_(NULL),
MikamiUitOpen 0:04b43b777fae 32 lcd_(GuiBase::GetLcdPtr()),
MikamiUitOpen 0:04b43b777fae 33 sdReader_(reader), prevFileCount_(0), prev_(-1) {}
MikamiUitOpen 0:04b43b777fae 34
MikamiUitOpen 0:04b43b777fae 35 ~FileSelector()
MikamiUitOpen 0:04b43b777fae 36 {
MikamiUitOpen 0:04b43b777fae 37 for (int n=0; n<fileCount_; n++)
MikamiUitOpen 0:04b43b777fae 38 delete fileNameLabels_[n];
MikamiUitOpen 0:04b43b777fae 39 delete[] fileNameLabels_;
MikamiUitOpen 0:04b43b777fae 40 delete rect_;
MikamiUitOpen 0:04b43b777fae 41 delete[] nonString_;
MikamiUitOpen 0:04b43b777fae 42 delete[] sortedFileNames_;
MikamiUitOpen 0:04b43b777fae 43 delete[] fileNames_;
MikamiUitOpen 0:04b43b777fae 44 }
MikamiUitOpen 0:04b43b777fae 45
MikamiUitOpen 0:04b43b777fae 46 bool CreateTable()
MikamiUitOpen 0:04b43b777fae 47 {
MikamiUitOpen 0:04b43b777fae 48 DIR* dp = opendir("/sd");
MikamiUitOpen 0:04b43b777fae 49 fileCount_ = 0;
MikamiUitOpen 0:04b43b777fae 50 if (dp != NULL)
MikamiUitOpen 0:04b43b777fae 51 {
MikamiUitOpen 0:04b43b777fae 52 dirent* entry;
MikamiUitOpen 0:04b43b777fae 53 for (int n=0; n<256; n++)
MikamiUitOpen 0:04b43b777fae 54 {
MikamiUitOpen 0:04b43b777fae 55 entry = readdir(dp);
MikamiUitOpen 0:04b43b777fae 56 if (entry == NULL) break;
MikamiUitOpen 0:04b43b777fae 57
MikamiUitOpen 0:04b43b777fae 58 string strName = entry->d_name;
MikamiUitOpen 0:04b43b777fae 59 if ( (strName.find(".wav") != string::npos) ||
MikamiUitOpen 0:04b43b777fae 60 (strName.find(".WAV") != string::npos) )
MikamiUitOpen 0:04b43b777fae 61 {
MikamiUitOpen 0:04b43b777fae 62 sdReader_.Open(strName); // ファイルオープン
MikamiUitOpen 0:04b43b777fae 63
MikamiUitOpen 0:04b43b777fae 64 // PCM，16 ビットステレオ，標本化周波数 44.1 kHz 以外のファイルは除外
MikamiUitOpen 0:04b43b777fae 65 if (sdReader_.IsWavFile())
MikamiUitOpen 0:04b43b777fae 66 {
MikamiUitOpen 0:04b43b777fae 67 fileNames_[fileCount_] = strName;
MikamiUitOpen 0:04b43b777fae 68 fileCount_++;
MikamiUitOpen 0:04b43b777fae 69 }
MikamiUitOpen 0:04b43b777fae 70 sdReader_.Close();
MikamiUitOpen 0:04b43b777fae 71 }
MikamiUitOpen 0:04b43b777fae 72
MikamiUitOpen 0:04b43b777fae 73
MikamiUitOpen 0:04b43b777fae 74 if (fileCount_ >= MAX_FILES_) break;
MikamiUitOpen 0:04b43b777fae 75 }
MikamiUitOpen 0:04b43b777fae 76 closedir(dp);
MikamiUitOpen 0:04b43b777fae 77 }
MikamiUitOpen 0:04b43b777fae 78 else
MikamiUitOpen 0:04b43b777fae 79 return false;
MikamiUitOpen 0:04b43b777fae 80
MikamiUitOpen 0:04b43b777fae 81 if (fileCount_ == 0) return false;
MikamiUitOpen 0:04b43b777fae 82
MikamiUitOpen 0:04b43b777fae 83 if (nonString_ == NULL) delete[] nonString_;
MikamiUitOpen 0:04b43b777fae 84 nonString_ = new string[fileCount_];
MikamiUitOpen 0:04b43b777fae 85 for (int n=0; n<fileCount_; n++) nonString_[n] = "";
MikamiUitOpen 0:04b43b777fae 86
MikamiUitOpen 0:04b43b777fae 87 if (rect_ != NULL) delete rect_;
MikamiUitOpen 0:04b43b777fae 88 rect_ = new ButtonGroup(X_, Y_, W_H_, W_H_, fileCount_,
MikamiUitOpen 0:04b43b777fae 89 nonString_, 0, V_L_-W_H_, 1,
MikamiUitOpen 0:04b43b777fae 90 -1, Font12, 0, GuiBase::ENUM_BACK,
MikamiUitOpen 0:04b43b777fae 91 BASE_COLOR_, TOUCHED_COLOR_);
MikamiUitOpen 0:04b43b777fae 92 for (int n=0; n<fileCount_; n++) rect_->Erase(n);
MikamiUitOpen 0:04b43b777fae 93 CreateLabels();
MikamiUitOpen 0:04b43b777fae 94 prevFileCount_ = fileCount_;
MikamiUitOpen 0:04b43b777fae 95 return true;
MikamiUitOpen 0:04b43b777fae 96 }
MikamiUitOpen 0:04b43b777fae 97
MikamiUitOpen 0:04b43b777fae 98 // ファイルを選択する
MikamiUitOpen 0:04b43b777fae 99 bool Select(string &fileName)
MikamiUitOpen 0:04b43b777fae 100 {
MikamiUitOpen 0:04b43b777fae 101 int n;
MikamiUitOpen 0:04b43b777fae 102 if (rect_->GetTouchedNumber(n))
MikamiUitOpen 0:04b43b777fae 103 {
MikamiUitOpen 0:04b43b777fae 104 fileNameLabels_[n]->Draw(GetFileNameNoExt(n), TOUCHED_COLOR_);
MikamiUitOpen 0:04b43b777fae 105 if ((prev_ >= 0) && (prev_ != n))
MikamiUitOpen 0:04b43b777fae 106 fileNameLabels_[prev_]->Draw(GetFileNameNoExt(prev_));
MikamiUitOpen 0:04b43b777fae 107 prev_ = n;
MikamiUitOpen 0:04b43b777fae 108 fileName = sortedFileNames_[n];
MikamiUitOpen 0:04b43b777fae 109 return true;
MikamiUitOpen 0:04b43b777fae 110 }
MikamiUitOpen 0:04b43b777fae 111 else
MikamiUitOpen 0:04b43b777fae 112 return false;
MikamiUitOpen 0:04b43b777fae 113 }
MikamiUitOpen 0:04b43b777fae 114
MikamiUitOpen 0:04b43b777fae 115 // ファイルの一覧の表示
MikamiUitOpen 0:04b43b777fae 116 void DisplayFileList(bool sort = true)
MikamiUitOpen 0:04b43b777fae 117 {
MikamiUitOpen 0:04b43b777fae 118 for (int n=0; n<fileCount_; n++)
MikamiUitOpen 0:04b43b777fae 119 sortedFileNames_[n] = fileNames_[n];
MikamiUitOpen 0:04b43b777fae 120 if (sort)
MikamiUitOpen 0:04b43b777fae 121 std::sort(sortedFileNames_, sortedFileNames_+fileCount_);
MikamiUitOpen 0:04b43b777fae 122
MikamiUitOpen 5:3e8ca1ed31a1 123 //// Erase(MAX_NAME_LENGTH_*((sFONT *)(&Font16))->Width, 270-Y_);
MikamiUitOpen 5:3e8ca1ed31a1 124 Erase(X_, 0, MAX_NAME_LENGTH_*((sFONT *)(&Font16))->Width, 288);
MikamiUitOpen 0:04b43b777fae 125 rect_->DrawAll();
MikamiUitOpen 0:04b43b777fae 126 for (int n=0; n<fileCount_; n++)
MikamiUitOpen 0:04b43b777fae 127 fileNameLabels_[n]->Draw(GetFileNameNoExt(n));
MikamiUitOpen 0:04b43b777fae 128 }
MikamiUitOpen 5:3e8ca1ed31a1 129 /*
MikamiUitOpen 0:04b43b777fae 130 void Erase(uint16_t width, uint16_t height,
MikamiUitOpen 0:04b43b777fae 131 uint32_t color = GuiBase::ENUM_BACK)
MikamiUitOpen 0:04b43b777fae 132 {
MikamiUitOpen 0:04b43b777fae 133 lcd_->SetTextColor(color);
MikamiUitOpen 0:04b43b777fae 134 lcd_->FillRect(X_, Y_, width, height);
MikamiUitOpen 0:04b43b777fae 135 }
MikamiUitOpen 5:3e8ca1ed31a1 136 */
MikamiUitOpen 0:04b43b777fae 137
MikamiUitOpen 5:3e8ca1ed31a1 138 void Erase(uint16_t x, uint16_t y, uint16_t width, uint16_t height,
MikamiUitOpen 5:3e8ca1ed31a1 139 uint32_t color = GuiBase::ENUM_BACK)
MikamiUitOpen 5:3e8ca1ed31a1 140 {
MikamiUitOpen 5:3e8ca1ed31a1 141 lcd_->SetTextColor(color);
MikamiUitOpen 5:3e8ca1ed31a1 142 lcd_->FillRect(x, y, width, height);
MikamiUitOpen 5:3e8ca1ed31a1 143 }
MikamiUitOpen 0:04b43b777fae 144 private:
MikamiUitOpen 0:04b43b777fae 145 const uint8_t X_, Y_, W_H_, V_L_;
MikamiUitOpen 0:04b43b777fae 146 const int MAX_FILES_;
MikamiUitOpen 0:04b43b777fae 147 const int MAX_NAME_LENGTH_;
MikamiUitOpen 0:04b43b777fae 148 const uint32_t BASE_COLOR_;
MikamiUitOpen 0:04b43b777fae 149 const uint32_t TOUCHED_COLOR_;
MikamiUitOpen 0:04b43b777fae 150
MikamiUitOpen 0:04b43b777fae 151 string *fileNames_;
MikamiUitOpen 0:04b43b777fae 152 string *sortedFileNames_;
MikamiUitOpen 0:04b43b777fae 153 string *nonString_;
MikamiUitOpen 0:04b43b777fae 154 ButtonGroup *rect_;
MikamiUitOpen 0:04b43b777fae 155 Label **fileNameLabels_;
MikamiUitOpen 0:04b43b777fae 156 LCD_DISCO_F746NG *lcd_;
MikamiUitOpen 0:04b43b777fae 157 SD_WavReader &sdReader_;
MikamiUitOpen 0:04b43b777fae 158 int fileCount_, prevFileCount_;
MikamiUitOpen 0:04b43b777fae 159 int prev_;
MikamiUitOpen 0:04b43b777fae 160
MikamiUitOpen 0:04b43b777fae 161 // Label を生成
MikamiUitOpen 0:04b43b777fae 162 void CreateLabels()
MikamiUitOpen 0:04b43b777fae 163 {
MikamiUitOpen 0:04b43b777fae 164 if (fileNameLabels_ != NULL)
MikamiUitOpen 0:04b43b777fae 165 {
MikamiUitOpen 0:04b43b777fae 166 for (int n=0; n<prevFileCount_; n++)
MikamiUitOpen 0:04b43b777fae 167 delete fileNameLabels_[n];
MikamiUitOpen 0:04b43b777fae 168 delete[] fileNameLabels_;
MikamiUitOpen 0:04b43b777fae 169 }
MikamiUitOpen 0:04b43b777fae 170 fileNameLabels_ = new Label *[fileCount_+1];
MikamiUitOpen 0:04b43b777fae 171 for (int n=0; n<fileCount_; n++)
MikamiUitOpen 0:04b43b777fae 172 fileNameLabels_[n] = new Label(X_+30, Y_+5+V_L_*n, "",
MikamiUitOpen 0:04b43b777fae 173 Label::LEFT, Font16,
MikamiUitOpen 0:04b43b777fae 174 BASE_COLOR_);
MikamiUitOpen 0:04b43b777fae 175 }
MikamiUitOpen 0:04b43b777fae 176
MikamiUitOpen 0:04b43b777fae 177 // 拡張子を削除した文字列を取得
MikamiUitOpen 0:04b43b777fae 178 string GetFileNameNoExt(int n)
MikamiUitOpen 0:04b43b777fae 179 {
MikamiUitOpen 0:04b43b777fae 180 string name = sortedFileNames_[n];
MikamiUitOpen 0:04b43b777fae 181 name.erase(name.find("."));
MikamiUitOpen 0:04b43b777fae 182 return name.substr(0, MAX_NAME_LENGTH_);
MikamiUitOpen 0:04b43b777fae 183 }
MikamiUitOpen 0:04b43b777fae 184
MikamiUitOpen 0:04b43b777fae 185 // disallow copy constructor and assignment operator
MikamiUitOpen 0:04b43b777fae 186 FileSelector(const FileSelector&);
MikamiUitOpen 0:04b43b777fae 187 FileSelector& operator=(const FileSelector&);
MikamiUitOpen 0:04b43b777fae 188 };
MikamiUitOpen 0:04b43b777fae 189 }
MikamiUitOpen 0:04b43b777fae 190 #endif // FILE_SELECTOR_HPP