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@11:769d986c10fa, 2016-07-04 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Jul 04 05:59:44 2016 +0000
Revision:
11:769d986c10fa
Parent:
5:3e8ca1ed31a1 
12

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:04b43b777fae 1 //--------------------------------------------------------------
MikamiUitOpen 11:769d986c10fa 2 // FileSelector class ---- Header ----
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 11:769d986c10fa 5 // 2016/06/30, 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 "Label.hpp"
MikamiUitOpen 0:04b43b777fae 12 #include "ButtonGroup.hpp"
MikamiUitOpen 0:04b43b777fae 13 #include "SD_WavReader.hpp"
MikamiUitOpen 0:04b43b777fae 14 #include <algorithm> // sort() で使用
MikamiUitOpen 0:04b43b777fae 15 #include <string>
MikamiUitOpen 0:04b43b777fae 16
MikamiUitOpen 0:04b43b777fae 17 namespace Mikami
MikamiUitOpen 0:04b43b777fae 18 {
MikamiUitOpen 0:04b43b777fae 19 class FileSelector
MikamiUitOpen 0:04b43b777fae 20 {
MikamiUitOpen 0:04b43b777fae 21 public:
MikamiUitOpen 0:04b43b777fae 22 FileSelector(uint8_t x0, uint8_t y0, int maxFiles,
MikamiUitOpen 0:04b43b777fae 23 int maxNameLength, SD_WavReader &reader)
MikamiUitOpen 0:04b43b777fae 24 : X_(x0), Y_(y0), W_H_(24), V_L_(36),
MikamiUitOpen 0:04b43b777fae 25 MAX_FILES_(maxFiles), MAX_NAME_LENGTH_(maxNameLength),
MikamiUitOpen 0:04b43b777fae 26 BASE_COLOR_(0xFF80FFA0), TOUCHED_COLOR_(0xFF80FFFF),
MikamiUitOpen 11:769d986c10fa 27 fileNames_(maxFiles),
MikamiUitOpen 11:769d986c10fa 28 rect_(NULL), lcd_(GuiBase::GetLcdPtr()),
MikamiUitOpen 0:04b43b777fae 29 sdReader_(reader), prevFileCount_(0), prev_(-1) {}
MikamiUitOpen 0:04b43b777fae 30
MikamiUitOpen 0:04b43b777fae 31 ~FileSelector()
MikamiUitOpen 11:769d986c10fa 32 { delete rect_; }
MikamiUitOpen 11:769d986c10fa 33
MikamiUitOpen 11:769d986c10fa 34 bool CreateTable();
MikamiUitOpen 11:769d986c10fa 35
MikamiUitOpen 11:769d986c10fa 36 // ファイルを選択する
MikamiUitOpen 11:769d986c10fa 37 bool Select(string &fileName);
MikamiUitOpen 11:769d986c10fa 38
MikamiUitOpen 11:769d986c10fa 39 // ファイルの一覧の表示
MikamiUitOpen 11:769d986c10fa 40 void DisplayFileList(bool sortEnable = true);
MikamiUitOpen 11:769d986c10fa 41
MikamiUitOpen 11:769d986c10fa 42 // ファイルの一覧の消去
MikamiUitOpen 11:769d986c10fa 43 void Erase(uint16_t x, uint16_t y, uint16_t width, uint16_t height,
MikamiUitOpen 11:769d986c10fa 44 uint32_t color = GuiBase::ENUM_BACK);
MikamiUitOpen 11:769d986c10fa 45
MikamiUitOpen 11:769d986c10fa 46 private:
MikamiUitOpen 11:769d986c10fa 47 const uint8_t X_, Y_, W_H_, V_L_;
MikamiUitOpen 11:769d986c10fa 48 const int MAX_FILES_;
MikamiUitOpen 11:769d986c10fa 49 const int MAX_NAME_LENGTH_;
MikamiUitOpen 11:769d986c10fa 50 const uint32_t BASE_COLOR_;
MikamiUitOpen 11:769d986c10fa 51 const uint32_t TOUCHED_COLOR_;
MikamiUitOpen 11:769d986c10fa 52
MikamiUitOpen 11:769d986c10fa 53 Array<string> fileNames_;
MikamiUitOpen 11:769d986c10fa 54 ButtonGroup *rect_;
MikamiUitOpen 11:769d986c10fa 55 Array<Label *> fileNameLabels_;
MikamiUitOpen 11:769d986c10fa 56 LCD_DISCO_F746NG *lcd_;
MikamiUitOpen 11:769d986c10fa 57 SD_WavReader &sdReader_;
MikamiUitOpen 11:769d986c10fa 58 int fileCount_, prevFileCount_;
MikamiUitOpen 11:769d986c10fa 59 int prev_;
MikamiUitOpen 11:769d986c10fa 60
MikamiUitOpen 11:769d986c10fa 61 // Label を生成
MikamiUitOpen 11:769d986c10fa 62 void CreateLabels();
MikamiUitOpen 11:769d986c10fa 63
MikamiUitOpen 11:769d986c10fa 64 // 拡張子を削除した文字列を取得
MikamiUitOpen 11:769d986c10fa 65 string GetFileNameNoExt(int n);
MikamiUitOpen 11:769d986c10fa 66
MikamiUitOpen 11:769d986c10fa 67 // disallow copy constructor and assignment operator
MikamiUitOpen 11:769d986c10fa 68 FileSelector(const FileSelector&);
MikamiUitOpen 11:769d986c10fa 69 FileSelector& operator=(const FileSelector&);
MikamiUitOpen 11:769d986c10fa 70 };
MikamiUitOpen 11:769d986c10fa 71 }
MikamiUitOpen 11:769d986c10fa 72 /*
MikamiUitOpen 11:769d986c10fa 73 namespace Mikami
MikamiUitOpen 11:769d986c10fa 74 {
MikamiUitOpen 11:769d986c10fa 75 class FileSelector
MikamiUitOpen 11:769d986c10fa 76 {
MikamiUitOpen 11:769d986c10fa 77 public:
MikamiUitOpen 11:769d986c10fa 78 FileSelector(uint8_t x0, uint8_t y0, int maxFiles,
MikamiUitOpen 11:769d986c10fa 79 int maxNameLength, SD_WavReader &reader)
MikamiUitOpen 11:769d986c10fa 80 : X_(x0), Y_(y0), W_H_(24), V_L_(36),
MikamiUitOpen 11:769d986c10fa 81 MAX_FILES_(maxFiles), MAX_NAME_LENGTH_(maxNameLength),
MikamiUitOpen 11:769d986c10fa 82 BASE_COLOR_(0xFF80FFA0), TOUCHED_COLOR_(0xFF80FFFF),
MikamiUitOpen 11:769d986c10fa 83 fileNames_(maxFiles),
MikamiUitOpen 11:769d986c10fa 84 rect_(NULL), lcd_(GuiBase::GetLcdPtr()),
MikamiUitOpen 11:769d986c10fa 85 sdReader_(reader), prevFileCount_(0), prev_(-1) {}
MikamiUitOpen 11:769d986c10fa 86
MikamiUitOpen 11:769d986c10fa 87 ~FileSelector()
MikamiUitOpen 11:769d986c10fa 88 { delete rect_; }
MikamiUitOpen 0:04b43b777fae 89
MikamiUitOpen 0:04b43b777fae 90 bool CreateTable()
MikamiUitOpen 0:04b43b777fae 91 {
MikamiUitOpen 0:04b43b777fae 92 DIR* dp = opendir("/sd");
MikamiUitOpen 0:04b43b777fae 93 fileCount_ = 0;
MikamiUitOpen 0:04b43b777fae 94 if (dp != NULL)
MikamiUitOpen 0:04b43b777fae 95 {
MikamiUitOpen 0:04b43b777fae 96 dirent* entry;
MikamiUitOpen 0:04b43b777fae 97 for (int n=0; n<256; n++)
MikamiUitOpen 0:04b43b777fae 98 {
MikamiUitOpen 0:04b43b777fae 99 entry = readdir(dp);
MikamiUitOpen 0:04b43b777fae 100 if (entry == NULL) break;
MikamiUitOpen 0:04b43b777fae 101
MikamiUitOpen 0:04b43b777fae 102 string strName = entry->d_name;
MikamiUitOpen 0:04b43b777fae 103 if ( (strName.find(".wav") != string::npos) ||
MikamiUitOpen 0:04b43b777fae 104 (strName.find(".WAV") != string::npos) )
MikamiUitOpen 0:04b43b777fae 105 {
MikamiUitOpen 0:04b43b777fae 106 sdReader_.Open(strName); // ファイルオープン
MikamiUitOpen 0:04b43b777fae 107
MikamiUitOpen 0:04b43b777fae 108 // 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 109 if (sdReader_.IsWavFile())
MikamiUitOpen 11:769d986c10fa 110 fileNames_[fileCount_++] = strName;
MikamiUitOpen 0:04b43b777fae 111 sdReader_.Close();
MikamiUitOpen 0:04b43b777fae 112 }
MikamiUitOpen 0:04b43b777fae 113
MikamiUitOpen 0:04b43b777fae 114 if (fileCount_ >= MAX_FILES_) break;
MikamiUitOpen 0:04b43b777fae 115 }
MikamiUitOpen 0:04b43b777fae 116 closedir(dp);
MikamiUitOpen 0:04b43b777fae 117 }
MikamiUitOpen 0:04b43b777fae 118 else
MikamiUitOpen 0:04b43b777fae 119 return false;
MikamiUitOpen 11:769d986c10fa 120
MikamiUitOpen 0:04b43b777fae 121 if (fileCount_ == 0) return false;
MikamiUitOpen 0:04b43b777fae 122
MikamiUitOpen 0:04b43b777fae 123 if (rect_ != NULL) delete rect_;
MikamiUitOpen 11:769d986c10fa 124 Array<string> nonString(fileCount_, "");
MikamiUitOpen 0:04b43b777fae 125 rect_ = new ButtonGroup(X_, Y_, W_H_, W_H_, fileCount_,
MikamiUitOpen 11:769d986c10fa 126 nonString, 0, V_L_-W_H_, 1,
MikamiUitOpen 0:04b43b777fae 127 -1, Font12, 0, GuiBase::ENUM_BACK,
MikamiUitOpen 0:04b43b777fae 128 BASE_COLOR_, TOUCHED_COLOR_);
MikamiUitOpen 0:04b43b777fae 129 for (int n=0; n<fileCount_; n++) rect_->Erase(n);
MikamiUitOpen 0:04b43b777fae 130 CreateLabels();
MikamiUitOpen 0:04b43b777fae 131 prevFileCount_ = fileCount_;
MikamiUitOpen 0:04b43b777fae 132 return true;
MikamiUitOpen 0:04b43b777fae 133 }
MikamiUitOpen 0:04b43b777fae 134
MikamiUitOpen 0:04b43b777fae 135 // ファイルを選択する
MikamiUitOpen 0:04b43b777fae 136 bool Select(string &fileName)
MikamiUitOpen 0:04b43b777fae 137 {
MikamiUitOpen 0:04b43b777fae 138 int n;
MikamiUitOpen 0:04b43b777fae 139 if (rect_->GetTouchedNumber(n))
MikamiUitOpen 0:04b43b777fae 140 {
MikamiUitOpen 0:04b43b777fae 141 fileNameLabels_[n]->Draw(GetFileNameNoExt(n), TOUCHED_COLOR_);
MikamiUitOpen 0:04b43b777fae 142 if ((prev_ >= 0) && (prev_ != n))
MikamiUitOpen 0:04b43b777fae 143 fileNameLabels_[prev_]->Draw(GetFileNameNoExt(prev_));
MikamiUitOpen 0:04b43b777fae 144 prev_ = n;
MikamiUitOpen 11:769d986c10fa 145 fileName = fileNames_[n];
MikamiUitOpen 0:04b43b777fae 146 return true;
MikamiUitOpen 0:04b43b777fae 147 }
MikamiUitOpen 0:04b43b777fae 148 else
MikamiUitOpen 0:04b43b777fae 149 return false;
MikamiUitOpen 0:04b43b777fae 150 }
MikamiUitOpen 0:04b43b777fae 151
MikamiUitOpen 0:04b43b777fae 152 // ファイルの一覧の表示
MikamiUitOpen 11:769d986c10fa 153 void DisplayFileList(bool sortEnable = true)
MikamiUitOpen 0:04b43b777fae 154 {
MikamiUitOpen 11:769d986c10fa 155 if (sortEnable)
MikamiUitOpen 11:769d986c10fa 156 std::sort((string *)fileNames_,
MikamiUitOpen 11:769d986c10fa 157 (string *)fileNames_+fileCount_);
MikamiUitOpen 0:04b43b777fae 158
MikamiUitOpen 11:769d986c10fa 159 Erase(X_, Y_, MAX_NAME_LENGTH_*((sFONT *)(&Font16))->Width, 272-Y_);
MikamiUitOpen 0:04b43b777fae 160 rect_->DrawAll();
MikamiUitOpen 0:04b43b777fae 161 for (int n=0; n<fileCount_; n++)
MikamiUitOpen 0:04b43b777fae 162 fileNameLabels_[n]->Draw(GetFileNameNoExt(n));
MikamiUitOpen 0:04b43b777fae 163 }
MikamiUitOpen 0:04b43b777fae 164
MikamiUitOpen 11:769d986c10fa 165 // ファイルの一覧の消去
MikamiUitOpen 5:3e8ca1ed31a1 166 void Erase(uint16_t x, uint16_t y, uint16_t width, uint16_t height,
MikamiUitOpen 5:3e8ca1ed31a1 167 uint32_t color = GuiBase::ENUM_BACK)
MikamiUitOpen 5:3e8ca1ed31a1 168 {
MikamiUitOpen 5:3e8ca1ed31a1 169 lcd_->SetTextColor(color);
MikamiUitOpen 5:3e8ca1ed31a1 170 lcd_->FillRect(x, y, width, height);
MikamiUitOpen 5:3e8ca1ed31a1 171 }
MikamiUitOpen 11:769d986c10fa 172
MikamiUitOpen 0:04b43b777fae 173 private:
MikamiUitOpen 0:04b43b777fae 174 const uint8_t X_, Y_, W_H_, V_L_;
MikamiUitOpen 0:04b43b777fae 175 const int MAX_FILES_;
MikamiUitOpen 0:04b43b777fae 176 const int MAX_NAME_LENGTH_;
MikamiUitOpen 0:04b43b777fae 177 const uint32_t BASE_COLOR_;
MikamiUitOpen 0:04b43b777fae 178 const uint32_t TOUCHED_COLOR_;
MikamiUitOpen 0:04b43b777fae 179
MikamiUitOpen 11:769d986c10fa 180 Array<string> fileNames_;
MikamiUitOpen 0:04b43b777fae 181 ButtonGroup *rect_;
MikamiUitOpen 11:769d986c10fa 182 Array<Label *> fileNameLabels_;
MikamiUitOpen 0:04b43b777fae 183 LCD_DISCO_F746NG *lcd_;
MikamiUitOpen 0:04b43b777fae 184 SD_WavReader &sdReader_;
MikamiUitOpen 0:04b43b777fae 185 int fileCount_, prevFileCount_;
MikamiUitOpen 0:04b43b777fae 186 int prev_;
MikamiUitOpen 0:04b43b777fae 187
MikamiUitOpen 0:04b43b777fae 188 // Label を生成
MikamiUitOpen 0:04b43b777fae 189 void CreateLabels()
MikamiUitOpen 0:04b43b777fae 190 {
MikamiUitOpen 11:769d986c10fa 191 fileNameLabels_.SetSize(fileCount_);
MikamiUitOpen 11:769d986c10fa 192
MikamiUitOpen 0:04b43b777fae 193 for (int n=0; n<fileCount_; n++)
MikamiUitOpen 0:04b43b777fae 194 fileNameLabels_[n] = new Label(X_+30, Y_+5+V_L_*n, "",
MikamiUitOpen 0:04b43b777fae 195 Label::LEFT, Font16,
MikamiUitOpen 0:04b43b777fae 196 BASE_COLOR_);
MikamiUitOpen 0:04b43b777fae 197 }
MikamiUitOpen 0:04b43b777fae 198
MikamiUitOpen 0:04b43b777fae 199 // 拡張子を削除した文字列を取得
MikamiUitOpen 0:04b43b777fae 200 string GetFileNameNoExt(int n)
MikamiUitOpen 0:04b43b777fae 201 {
MikamiUitOpen 11:769d986c10fa 202 string name = fileNames_[n];
MikamiUitOpen 0:04b43b777fae 203 name.erase(name.find("."));
MikamiUitOpen 0:04b43b777fae 204 return name.substr(0, MAX_NAME_LENGTH_);
MikamiUitOpen 0:04b43b777fae 205 }
MikamiUitOpen 0:04b43b777fae 206
MikamiUitOpen 0:04b43b777fae 207 // disallow copy constructor and assignment operator
MikamiUitOpen 0:04b43b777fae 208 FileSelector(const FileSelector&);
MikamiUitOpen 0:04b43b777fae 209 FileSelector& operator=(const FileSelector&);
MikamiUitOpen 0:04b43b777fae 210 };
MikamiUitOpen 0:04b43b777fae 211 }
MikamiUitOpen 11:769d986c10fa 212 */
MikamiUitOpen 0:04b43b777fae 213 #endif // FILE_SELECTOR_HPP
MikamiUitOpen 11:769d986c10fa 214