Output the audio signal (*.bin) with filtering by IIR filter in the SD card using onboard CODEC. For *.wav file, F746_SD_WavPlayer and F746_SD_GraphicEqualiser are published on mbed. SD カードのオーディオ信号 (*.bin) 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.*.wav 形式のファイル用には,F746_SD_WavPlayer と F746_SD_GraphicEqualiser を mbed で公開している.
Dependencies: BSP_DISCO_F746NG_patch_fixed F746_GUI LCD_DISCO_F746NG SDFileSystem_Warning_Fixed TS_DISCO_F746NG mbed
MyClasses_Functions/FileSelector.hpp@0:6748e3332e85, 2016-04-08 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Fri Apr 08 13:11:53 2016 +0000
- Revision:
- 0:6748e3332e85
- Child:
- 1:e891c9b4f980
1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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MikamiUitOpen | 0:6748e3332e85 | 1 | //-------------------------------------------------------------- |
MikamiUitOpen | 0:6748e3332e85 | 2 | // FileSelector class |
MikamiUitOpen | 0:6748e3332e85 | 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 | 0:6748e3332e85 | 4 | // |
MikamiUitOpen | 0:6748e3332e85 | 5 | // 2016/04/05, Copyright (c) 2016 MIKAMI, Naoki |
MikamiUitOpen | 0:6748e3332e85 | 6 | //-------------------------------------------------------------- |
MikamiUitOpen | 0:6748e3332e85 | 7 | |
MikamiUitOpen | 0:6748e3332e85 | 8 | #ifndef FILE_SELECTOR_HPP |
MikamiUitOpen | 0:6748e3332e85 | 9 | #define FILE_SELECTOR_HPP |
MikamiUitOpen | 0:6748e3332e85 | 10 | |
MikamiUitOpen | 0:6748e3332e85 | 11 | #include "mbed.h" |
MikamiUitOpen | 0:6748e3332e85 | 12 | #include "Label.hpp" |
MikamiUitOpen | 0:6748e3332e85 | 13 | #include "ButtonGroup.hpp" |
MikamiUitOpen | 0:6748e3332e85 | 14 | #include "SD_BinaryReader.hpp" |
MikamiUitOpen | 0:6748e3332e85 | 15 | #include "SDFileSystem.h" |
MikamiUitOpen | 0:6748e3332e85 | 16 | |
MikamiUitOpen | 0:6748e3332e85 | 17 | namespace Mikami |
MikamiUitOpen | 0:6748e3332e85 | 18 | { |
MikamiUitOpen | 0:6748e3332e85 | 19 | class FileSelector |
MikamiUitOpen | 0:6748e3332e85 | 20 | { |
MikamiUitOpen | 0:6748e3332e85 | 21 | public: |
MikamiUitOpen | 0:6748e3332e85 | 22 | FileSelector(uint8_t x0, uint8_t y0, int maxFiles, |
MikamiUitOpen | 0:6748e3332e85 | 23 | int maxNameLength, SD_BinaryReader &reader) |
MikamiUitOpen | 0:6748e3332e85 | 24 | : X_(x0), Y_(y0), W_H_(24), V_L_(36), |
MikamiUitOpen | 0:6748e3332e85 | 25 | MAX_FILES_(maxFiles), MAX_NAME_LENGTH_(maxNameLength), |
MikamiUitOpen | 0:6748e3332e85 | 26 | BASE_COLOR_(0xFF80FFA0), TOUCHED_COLOR_(0xFF80FFFF), |
MikamiUitOpen | 0:6748e3332e85 | 27 | fileNames_(new string[maxFiles]), |
MikamiUitOpen | 0:6748e3332e85 | 28 | lcd_(GuiBase::GetLcdPtr()), |
MikamiUitOpen | 0:6748e3332e85 | 29 | sdReader_(reader), prev_(-1) {} |
MikamiUitOpen | 0:6748e3332e85 | 30 | |
MikamiUitOpen | 0:6748e3332e85 | 31 | bool CreateTable() |
MikamiUitOpen | 0:6748e3332e85 | 32 | { |
MikamiUitOpen | 0:6748e3332e85 | 33 | DIR* dp = opendir("/sd"); |
MikamiUitOpen | 0:6748e3332e85 | 34 | fileCount_ = 0; |
MikamiUitOpen | 0:6748e3332e85 | 35 | if (dp != NULL) |
MikamiUitOpen | 0:6748e3332e85 | 36 | { |
MikamiUitOpen | 0:6748e3332e85 | 37 | dirent* entry; |
MikamiUitOpen | 0:6748e3332e85 | 38 | for (int n=0; n<256; n++) |
MikamiUitOpen | 0:6748e3332e85 | 39 | { |
MikamiUitOpen | 0:6748e3332e85 | 40 | entry = readdir(dp); |
MikamiUitOpen | 0:6748e3332e85 | 41 | if (entry == NULL) break; |
MikamiUitOpen | 0:6748e3332e85 | 42 | |
MikamiUitOpen | 0:6748e3332e85 | 43 | string strName = entry->d_name; |
MikamiUitOpen | 0:6748e3332e85 | 44 | if ( (strName.find(".bin") != string::npos) || |
MikamiUitOpen | 0:6748e3332e85 | 45 | (strName.find(".BIN") != string::npos) ) |
MikamiUitOpen | 0:6748e3332e85 | 46 | { |
MikamiUitOpen | 0:6748e3332e85 | 47 | sdReader_.Open(strName); // ファイルオープン |
MikamiUitOpen | 0:6748e3332e85 | 48 | // 小さすぎるファイルは除外 |
MikamiUitOpen | 0:6748e3332e85 | 49 | if ((sdReader_.ReadSize()) > 4096) |
MikamiUitOpen | 0:6748e3332e85 | 50 | { |
MikamiUitOpen | 0:6748e3332e85 | 51 | fileNames_[fileCount_] = strName; |
MikamiUitOpen | 0:6748e3332e85 | 52 | fileCount_++; |
MikamiUitOpen | 0:6748e3332e85 | 53 | } |
MikamiUitOpen | 0:6748e3332e85 | 54 | sdReader_.Close(); |
MikamiUitOpen | 0:6748e3332e85 | 55 | } |
MikamiUitOpen | 0:6748e3332e85 | 56 | if (fileCount_ >= MAX_FILES_) break; |
MikamiUitOpen | 0:6748e3332e85 | 57 | } |
MikamiUitOpen | 0:6748e3332e85 | 58 | closedir(dp); |
MikamiUitOpen | 0:6748e3332e85 | 59 | } |
MikamiUitOpen | 0:6748e3332e85 | 60 | else |
MikamiUitOpen | 0:6748e3332e85 | 61 | return false; |
MikamiUitOpen | 0:6748e3332e85 | 62 | |
MikamiUitOpen | 0:6748e3332e85 | 63 | if (fileCount_ == 0) return false; |
MikamiUitOpen | 0:6748e3332e85 | 64 | |
MikamiUitOpen | 0:6748e3332e85 | 65 | nonString_ = new string[fileCount_]; |
MikamiUitOpen | 0:6748e3332e85 | 66 | for (int n=0; n<fileCount_; n++) nonString_[n] = ""; |
MikamiUitOpen | 0:6748e3332e85 | 67 | rect_ = new ButtonGroup(X_, Y_, W_H_, W_H_, fileCount_, |
MikamiUitOpen | 0:6748e3332e85 | 68 | nonString_, 0, V_L_-W_H_, 1, |
MikamiUitOpen | 0:6748e3332e85 | 69 | -1, Font12, 0, GuiBase::ENUM_BACK, |
MikamiUitOpen | 0:6748e3332e85 | 70 | BASE_COLOR_, TOUCHED_COLOR_); |
MikamiUitOpen | 0:6748e3332e85 | 71 | for (int n=0; n<fileCount_; n++) rect_->Erase(n); |
MikamiUitOpen | 0:6748e3332e85 | 72 | CreateLabels(); |
MikamiUitOpen | 0:6748e3332e85 | 73 | |
MikamiUitOpen | 0:6748e3332e85 | 74 | return true; |
MikamiUitOpen | 0:6748e3332e85 | 75 | } |
MikamiUitOpen | 0:6748e3332e85 | 76 | |
MikamiUitOpen | 0:6748e3332e85 | 77 | // ファイルを選択する |
MikamiUitOpen | 0:6748e3332e85 | 78 | bool Select(string &fileName) |
MikamiUitOpen | 0:6748e3332e85 | 79 | { |
MikamiUitOpen | 0:6748e3332e85 | 80 | int n; |
MikamiUitOpen | 0:6748e3332e85 | 81 | if (rect_->GetTouchedNumber(n)) |
MikamiUitOpen | 0:6748e3332e85 | 82 | { |
MikamiUitOpen | 0:6748e3332e85 | 83 | fileNameLabels_[n]->Draw(DeleteBin(n), TOUCHED_COLOR_); |
MikamiUitOpen | 0:6748e3332e85 | 84 | if ((prev_ >= 0) && (prev_ != n)) |
MikamiUitOpen | 0:6748e3332e85 | 85 | fileNameLabels_[prev_]->Draw(DeleteBin(prev_)); |
MikamiUitOpen | 0:6748e3332e85 | 86 | prev_ = n; |
MikamiUitOpen | 0:6748e3332e85 | 87 | fileName = fileNames_[n]; |
MikamiUitOpen | 0:6748e3332e85 | 88 | return true; |
MikamiUitOpen | 0:6748e3332e85 | 89 | } |
MikamiUitOpen | 0:6748e3332e85 | 90 | else |
MikamiUitOpen | 0:6748e3332e85 | 91 | return false; |
MikamiUitOpen | 0:6748e3332e85 | 92 | } |
MikamiUitOpen | 0:6748e3332e85 | 93 | |
MikamiUitOpen | 0:6748e3332e85 | 94 | // ファイルの一覧の表示 |
MikamiUitOpen | 0:6748e3332e85 | 95 | void DisplayFileList() |
MikamiUitOpen | 0:6748e3332e85 | 96 | { |
MikamiUitOpen | 0:6748e3332e85 | 97 | Erase(MAX_NAME_LENGTH_*((sFONT *)(&Font16))->Width, 270-Y_); |
MikamiUitOpen | 0:6748e3332e85 | 98 | rect_->DrawAll(); |
MikamiUitOpen | 0:6748e3332e85 | 99 | for (int n=0; n<fileCount_; n++) |
MikamiUitOpen | 0:6748e3332e85 | 100 | fileNameLabels_[n]->Draw(DeleteBin(n)); |
MikamiUitOpen | 0:6748e3332e85 | 101 | } |
MikamiUitOpen | 0:6748e3332e85 | 102 | |
MikamiUitOpen | 0:6748e3332e85 | 103 | void Erase(uint16_t width, uint16_t height, |
MikamiUitOpen | 0:6748e3332e85 | 104 | uint32_t color = GuiBase::ENUM_BACK) |
MikamiUitOpen | 0:6748e3332e85 | 105 | { |
MikamiUitOpen | 0:6748e3332e85 | 106 | lcd_->SetTextColor(color); |
MikamiUitOpen | 0:6748e3332e85 | 107 | lcd_->FillRect(X_, Y_, width, height); |
MikamiUitOpen | 0:6748e3332e85 | 108 | } |
MikamiUitOpen | 0:6748e3332e85 | 109 | |
MikamiUitOpen | 0:6748e3332e85 | 110 | private: |
MikamiUitOpen | 0:6748e3332e85 | 111 | const uint8_t X_, Y_, W_H_, V_L_; |
MikamiUitOpen | 0:6748e3332e85 | 112 | const int MAX_FILES_; |
MikamiUitOpen | 0:6748e3332e85 | 113 | const int MAX_NAME_LENGTH_; |
MikamiUitOpen | 0:6748e3332e85 | 114 | const uint32_t BASE_COLOR_; |
MikamiUitOpen | 0:6748e3332e85 | 115 | const uint32_t TOUCHED_COLOR_; |
MikamiUitOpen | 0:6748e3332e85 | 116 | |
MikamiUitOpen | 0:6748e3332e85 | 117 | string *fileNames_; |
MikamiUitOpen | 0:6748e3332e85 | 118 | string *nonString_; |
MikamiUitOpen | 0:6748e3332e85 | 119 | ButtonGroup *rect_; |
MikamiUitOpen | 0:6748e3332e85 | 120 | Label **fileNameLabels_; |
MikamiUitOpen | 0:6748e3332e85 | 121 | LCD_DISCO_F746NG *lcd_; |
MikamiUitOpen | 0:6748e3332e85 | 122 | SD_BinaryReader &sdReader_; |
MikamiUitOpen | 0:6748e3332e85 | 123 | int fileCount_; |
MikamiUitOpen | 0:6748e3332e85 | 124 | int prev_; |
MikamiUitOpen | 0:6748e3332e85 | 125 | |
MikamiUitOpen | 0:6748e3332e85 | 126 | // Label を生成 |
MikamiUitOpen | 0:6748e3332e85 | 127 | void CreateLabels() |
MikamiUitOpen | 0:6748e3332e85 | 128 | { |
MikamiUitOpen | 0:6748e3332e85 | 129 | fileNameLabels_ = new Label *[fileCount_+1]; |
MikamiUitOpen | 0:6748e3332e85 | 130 | for (int n=0; n<fileCount_; n++) |
MikamiUitOpen | 0:6748e3332e85 | 131 | fileNameLabels_[n] = new Label(X_+30, Y_+5+V_L_*n, "", |
MikamiUitOpen | 0:6748e3332e85 | 132 | Label::LEFT, Font16, |
MikamiUitOpen | 0:6748e3332e85 | 133 | BASE_COLOR_); |
MikamiUitOpen | 0:6748e3332e85 | 134 | } |
MikamiUitOpen | 0:6748e3332e85 | 135 | |
MikamiUitOpen | 0:6748e3332e85 | 136 | // 拡張子を削除 |
MikamiUitOpen | 0:6748e3332e85 | 137 | string DeleteBin(int n) |
MikamiUitOpen | 0:6748e3332e85 | 138 | { |
MikamiUitOpen | 0:6748e3332e85 | 139 | string name = fileNames_[n]; |
MikamiUitOpen | 0:6748e3332e85 | 140 | name.erase(name.find(".")); |
MikamiUitOpen | 0:6748e3332e85 | 141 | return name.substr(0, MAX_NAME_LENGTH_); |
MikamiUitOpen | 0:6748e3332e85 | 142 | } |
MikamiUitOpen | 0:6748e3332e85 | 143 | |
MikamiUitOpen | 0:6748e3332e85 | 144 | // disallow copy constructor and assignment operator |
MikamiUitOpen | 0:6748e3332e85 | 145 | FileSelector(const FileSelector&); |
MikamiUitOpen | 0:6748e3332e85 | 146 | FileSelector& operator=(const FileSelector&); |
MikamiUitOpen | 0:6748e3332e85 | 147 | }; |
MikamiUitOpen | 0:6748e3332e85 | 148 | } |
MikamiUitOpen | 0:6748e3332e85 | 149 | #endif // FILE_SELECTOR_HPP |