不韋 呂 / F746_AcousticEffector_MIC

Audio singal input and output example for DISCO-F746. Input: MEMS mic, Output: CN10 OUT, Acoustic effect: echo and frequency shift. DISCO-F746 によるオーディオ信号入出力．入力：MEMS マイク，出力：CN10 OUT，音響効果：エコー，周波数変換．

Dependencies:   F746_GUI F746_SAI_IO

main.cpp@9:1221ba81a1bb, 2017-03-17 (annotated)

Committer:
MikamiUitOpen
Date:
Fri Mar 17 01:26:25 2017 +0000
Revision:
9:1221ba81a1bb
Parent:
8:9378fea59845
Child:
10:56f2f01df983
10

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:f064b50f238e 1 //--------------------------------------------------------------
MikamiUitOpen 0:f064b50f238e 2 // MEMS マイクの入力に対して音響効果を与える
MikamiUitOpen 0:f064b50f238e 3 // 音響効果：エコー生成，周波数シフト
MikamiUitOpen 0:f064b50f238e 4 //
MikamiUitOpen 9:1221ba81a1bb 5 // 2017/03/17, Copyright (c) 2017 MIKAMI, Naoki
MikamiUitOpen 0:f064b50f238e 6 //--------------------------------------------------------------
MikamiUitOpen 0:f064b50f238e 7
MikamiUitOpen 5:7de034938856 8 #include "EffectorInitializeGUI.hpp"
MikamiUitOpen 2:a02507a43694 9 #include "SAI_InOut.hpp"
MikamiUitOpen 0:f064b50f238e 10 #include "Echo.hpp"
MikamiUitOpen 0:f064b50f238e 11 #include "WeaverModulator.hpp"
MikamiUitOpen 8:9378fea59845 12 #include "Array.hpp"
MikamiUitOpen 0:f064b50f238e 13
MikamiUitOpen 0:f064b50f238e 14 using namespace Mikami;
MikamiUitOpen 0:f064b50f238e 15
MikamiUitOpen 0:f064b50f238e 16 int main()
MikamiUitOpen 0:f064b50f238e 17 {
MikamiUitOpen 9:1221ba81a1bb 18 const int FS = AUDIO_FREQUENCY_16K; // 標本化周波数: 16 kHz
MikamiUitOpen 2:a02507a43694 19 SaiIO mySai(SaiIO::BOTH, 256, FS, INPUT_DEVICE_DIGITAL_MICROPHONE_2);
MikamiUitOpen 0:f064b50f238e 20
MikamiUitOpen 0:f064b50f238e 21 ButtonGroup *onOff; // "ON", "OFF"
MikamiUitOpen 0:f064b50f238e 22 ButtonGroup *menu; // "THROUGH", "ECHO", "F_SHIFTER"
MikamiUitOpen 0:f064b50f238e 23 SeekBar *barEcho, *barFqCh;
MikamiUitOpen 0:f064b50f238e 24 NumericLabel<int> *frqLabel;
MikamiUitOpen 0:f064b50f238e 25 WaveformDisplay *displayIn, *displayOut;
MikamiUitOpen 9:1221ba81a1bb 26
MikamiUitOpen 5:7de034938856 27 EffectorInitializeGUI(onOff, menu, barEcho, barFqCh,
MikamiUitOpen 5:7de034938856 28 frqLabel, displayIn, displayOut);
MikamiUitOpen 0:f064b50f238e 29
MikamiUitOpen 0:f064b50f238e 30 ProcessingBase through; // 0: 信号処理なしで出力
MikamiUitOpen 0:f064b50f238e 31 EchoSystem echo; // 1: エコー生成
MikamiUitOpen 0:f064b50f238e 32 FrqShifter shifter(FS); // 2: 周波数シフト
MikamiUitOpen 0:f064b50f238e 33 ProcessingBase *func[3] = { &through, &echo, &shifter };
MikamiUitOpen 0:f064b50f238e 34 shifter.SetFrequensy(100); // 周波数シフタの初期値：100 Hz
MikamiUitOpen 9:1221ba81a1bb 35
MikamiUitOpen 0:f064b50f238e 36 int runStop = 1;
MikamiUitOpen 9:1221ba81a1bb 37 int menuNum = 0;
MikamiUitOpen 9:1221ba81a1bb 38
MikamiUitOpen 0:f064b50f238e 39 // 入出力の波形表示で使用
MikamiUitOpen 8:9378fea59845 40 Array<int16_t> snIn(mySai.GetLength());
MikamiUitOpen 8:9378fea59845 41 Array<int16_t> snOut(mySai.GetLength());
MikamiUitOpen 8:9378fea59845 42
MikamiUitOpen 3:dc890c293f3f 43 mySai.RecordIn();
MikamiUitOpen 3:dc890c293f3f 44 mySai.PlayOut();
MikamiUitOpen 3:dc890c293f3f 45 mySai.PauseOut();
MikamiUitOpen 0:f064b50f238e 46
MikamiUitOpen 0:f064b50f238e 47 while (true)
MikamiUitOpen 0:f064b50f238e 48 {
MikamiUitOpen 0:f064b50f238e 49 // On/OFF の設定
MikamiUitOpen 0:f064b50f238e 50 int num;
MikamiUitOpen 9:1221ba81a1bb 51
MikamiUitOpen 9:1221ba81a1bb 52 if ( (onOff->GetTouchedNumber(num)) && (runStop != num) )
MikamiUitOpen 9:1221ba81a1bb 53 {
MikamiUitOpen 9:1221ba81a1bb 54 if (num == 0) mySai.ResumeOut();
MikamiUitOpen 9:1221ba81a1bb 55 else mySai.PauseOut();
MikamiUitOpen 9:1221ba81a1bb 56 runStop = num;
MikamiUitOpen 9:1221ba81a1bb 57 }
MikamiUitOpen 0:f064b50f238e 58
MikamiUitOpen 0:f064b50f238e 59 // エコーの長さを設定
MikamiUitOpen 9:1221ba81a1bb 60 if ( (menuNum == 1) && (barEcho->Slide()) )
MikamiUitOpen 9:1221ba81a1bb 61 echo.SetDelay(6000 - barEcho->GetIntValue());
MikamiUitOpen 9:1221ba81a1bb 62
MikamiUitOpen 0:f064b50f238e 63 // 周波数シフトの値の設定
MikamiUitOpen 9:1221ba81a1bb 64 if ( (menuNum == 2) && (barFqCh->Slide()) )
MikamiUitOpen 9:1221ba81a1bb 65 {
MikamiUitOpen 9:1221ba81a1bb 66 frqLabel->Draw(barFqCh->GetIntValue());
MikamiUitOpen 9:1221ba81a1bb 67 shifter.SetFrequensy(barFqCh->GetIntValue());
MikamiUitOpen 9:1221ba81a1bb 68 }
MikamiUitOpen 0:f064b50f238e 69
MikamiUitOpen 0:f064b50f238e 70 // 信号処理の種類の切り替え
MikamiUitOpen 0:f064b50f238e 71 if (menu->GetTouchedNumber(menuNum))
MikamiUitOpen 0:f064b50f238e 72 switch (menuNum)
MikamiUitOpen 0:f064b50f238e 73 {
MikamiUitOpen 0:f064b50f238e 74 case 0: barEcho->Inactivate(); // Through
MikamiUitOpen 0:f064b50f238e 75 barFqCh->Inactivate();
MikamiUitOpen 9:1221ba81a1bb 76 frqLabel->Redraw(GuiBase::ENUM_INACTIVE_TEXT);
MikamiUitOpen 0:f064b50f238e 77 break;
MikamiUitOpen 0:f064b50f238e 78 case 1: barEcho->Activate(); // Echo
MikamiUitOpen 0:f064b50f238e 79 barFqCh->Inactivate();
MikamiUitOpen 9:1221ba81a1bb 80 frqLabel->Redraw(GuiBase::ENUM_INACTIVE_TEXT);
MikamiUitOpen 0:f064b50f238e 81 break;
MikamiUitOpen 0:f064b50f238e 82 case 2: barEcho->Inactivate(); // Frequency shifter
MikamiUitOpen 0:f064b50f238e 83 barFqCh->Activate();
MikamiUitOpen 9:1221ba81a1bb 84 frqLabel->Redraw(GuiBase::ENUM_TEXT);
MikamiUitOpen 0:f064b50f238e 85 break;
MikamiUitOpen 0:f064b50f238e 86 }
MikamiUitOpen 0:f064b50f238e 87
MikamiUitOpen 0:f064b50f238e 88 //---------------------------------------------
MikamiUitOpen 0:f064b50f238e 89 // １フレーム分の信号処理を行い，その結果を出力する
MikamiUitOpen 4:450b3cf1e164 90 if ( mySai.IsCompleted())
MikamiUitOpen 0:f064b50f238e 91 {
MikamiUitOpen 0:f064b50f238e 92 for (int n=0; n<mySai.GetLength(); n++)
MikamiUitOpen 0:f064b50f238e 93 {
MikamiUitOpen 0:f064b50f238e 94 int16_t xL, xR;
MikamiUitOpen 0:f064b50f238e 95 mySai.Input(xL, xR);
MikamiUitOpen 0:f064b50f238e 96 int16_t xn = xL + xR;
MikamiUitOpen 4:450b3cf1e164 97 snIn[n] = xn; // 表示用
MikamiUitOpen 0:f064b50f238e 98
MikamiUitOpen 0:f064b50f238e 99 //-------------------------------------------------------
MikamiUitOpen 0:f064b50f238e 100 // 信号処理実行
MikamiUitOpen 0:f064b50f238e 101 int16_t yn = (int16_t)func[menuNum]->Execute((float)xn);
MikamiUitOpen 0:f064b50f238e 102 //-------------------------------------------------------
MikamiUitOpen 9:1221ba81a1bb 103
MikamiUitOpen 0:f064b50f238e 104 mySai.Output(yn, yn); // 左右チャンネルに同じ信号を出力
MikamiUitOpen 4:450b3cf1e164 105 snOut[n] = yn; // 表示用
MikamiUitOpen 0:f064b50f238e 106 }
MikamiUitOpen 9:1221ba81a1bb 107
MikamiUitOpen 0:f064b50f238e 108 displayIn->Execute(snIn); // 入力波形の表示
MikamiUitOpen 0:f064b50f238e 109 displayOut->Execute(snOut); // 出力波形の表示
MikamiUitOpen 9:1221ba81a1bb 110 }
MikamiUitOpen 0:f064b50f238e 111 // １フレーム分の信号処理はここまで
MikamiUitOpen 0:f064b50f238e 112 //---------------------------------------------
MikamiUitOpen 0:f064b50f238e 113 }
MikamiUitOpen 0:f064b50f238e 114 }