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@7:a392487bcf7d, 2016-11-06 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Nov 06 13:36:22 2016 +0000
Revision:
7:a392487bcf7d
Parent:
6:38f7dce055d0
Child:
8:9378fea59845
8

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 7:a392487bcf7d 5 // 2016/11/06, Copyright (c) 2016 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 0:f064b50f238e 12
MikamiUitOpen 0:f064b50f238e 13 using namespace Mikami;
MikamiUitOpen 0:f064b50f238e 14
MikamiUitOpen 0:f064b50f238e 15 int main()
MikamiUitOpen 0:f064b50f238e 16 {
MikamiUitOpen 0:f064b50f238e 17 const int FS = I2S_AUDIOFREQ_16K; // 標本化周波数: 16 kHz
MikamiUitOpen 2:a02507a43694 18 SaiIO mySai(SaiIO::BOTH, 256, FS, INPUT_DEVICE_DIGITAL_MICROPHONE_2);
MikamiUitOpen 0:f064b50f238e 19
MikamiUitOpen 0:f064b50f238e 20 ButtonGroup *onOff; // "ON", "OFF"
MikamiUitOpen 0:f064b50f238e 21 ButtonGroup *menu; // "THROUGH", "ECHO", "F_SHIFTER"
MikamiUitOpen 0:f064b50f238e 22 SeekBar *barEcho, *barFqCh;
MikamiUitOpen 0:f064b50f238e 23 NumericLabel<int> *frqLabel;
MikamiUitOpen 0:f064b50f238e 24 WaveformDisplay *displayIn, *displayOut;
MikamiUitOpen 0:f064b50f238e 25
MikamiUitOpen 5:7de034938856 26 EffectorInitializeGUI(onOff, menu, barEcho, barFqCh,
MikamiUitOpen 5:7de034938856 27 frqLabel, displayIn, displayOut);
MikamiUitOpen 0:f064b50f238e 28
MikamiUitOpen 0:f064b50f238e 29 ProcessingBase through; // 0: 信号処理なしで出力
MikamiUitOpen 0:f064b50f238e 30 EchoSystem echo; // 1: エコー生成
MikamiUitOpen 0:f064b50f238e 31 FrqShifter shifter(FS); // 2: 周波数シフト
MikamiUitOpen 0:f064b50f238e 32 ProcessingBase *func[3] = { &through, &echo, &shifter };
MikamiUitOpen 0:f064b50f238e 33 shifter.SetFrequensy(100); // 周波数シフタの初期値：100 Hz
MikamiUitOpen 0:f064b50f238e 34
MikamiUitOpen 0:f064b50f238e 35 int runStop = 1;
MikamiUitOpen 0:f064b50f238e 36 int menuNum = 0;
MikamiUitOpen 0:f064b50f238e 37
MikamiUitOpen 0:f064b50f238e 38 // 入出力の波形表示で使用
MikamiUitOpen 0:f064b50f238e 39 int16_t *snIn, *snOut;
MikamiUitOpen 0:f064b50f238e 40 snIn = new int16_t[mySai.GetLength()];
MikamiUitOpen 0:f064b50f238e 41 snOut = new int16_t[mySai.GetLength()];
MikamiUitOpen 3:dc890c293f3f 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 0:f064b50f238e 51 if (onOff->GetTouchedNumber(num))
MikamiUitOpen 0:f064b50f238e 52 if (runStop != num)
MikamiUitOpen 0:f064b50f238e 53 {
MikamiUitOpen 3:dc890c293f3f 54 if (num == 0) mySai.ResumeOut();
MikamiUitOpen 3:dc890c293f3f 55 else mySai.PauseOut();
MikamiUitOpen 0:f064b50f238e 56 runStop = num;
MikamiUitOpen 0:f064b50f238e 57 }
MikamiUitOpen 0:f064b50f238e 58
MikamiUitOpen 0:f064b50f238e 59 // エコーの長さを設定
MikamiUitOpen 0:f064b50f238e 60 if (menuNum == 1)
MikamiUitOpen 0:f064b50f238e 61 if (barEcho->Slide())
MikamiUitOpen 0:f064b50f238e 62 echo.SetDelay(6000 - barEcho->GetIntValue());
MikamiUitOpen 0:f064b50f238e 63
MikamiUitOpen 0:f064b50f238e 64 // 周波数シフトの値の設定
MikamiUitOpen 0:f064b50f238e 65 if (menuNum == 2)
MikamiUitOpen 0:f064b50f238e 66 if (barFqCh->Slide())
MikamiUitOpen 0:f064b50f238e 67 {
MikamiUitOpen 7:a392487bcf7d 68 frqLabel->Draw(barFqCh->GetIntValue());
MikamiUitOpen 0:f064b50f238e 69 shifter.SetFrequensy(barFqCh->GetIntValue());
MikamiUitOpen 0:f064b50f238e 70 }
MikamiUitOpen 0:f064b50f238e 71
MikamiUitOpen 0:f064b50f238e 72 // 信号処理の種類の切り替え
MikamiUitOpen 0:f064b50f238e 73 if (menu->GetTouchedNumber(menuNum))
MikamiUitOpen 0:f064b50f238e 74 switch (menuNum)
MikamiUitOpen 0:f064b50f238e 75 {
MikamiUitOpen 0:f064b50f238e 76 case 0: barEcho->Inactivate(); // Through
MikamiUitOpen 0:f064b50f238e 77 barFqCh->Inactivate();
MikamiUitOpen 0:f064b50f238e 78 frqLabel->Draw(GuiBase::ENUM_INACTIVE_TEXT);
MikamiUitOpen 0:f064b50f238e 79 break;
MikamiUitOpen 0:f064b50f238e 80 case 1: barEcho->Activate(); // Echo
MikamiUitOpen 0:f064b50f238e 81 barFqCh->Inactivate();
MikamiUitOpen 0:f064b50f238e 82 frqLabel->Draw(GuiBase::ENUM_INACTIVE_TEXT);
MikamiUitOpen 0:f064b50f238e 83 break;
MikamiUitOpen 0:f064b50f238e 84 case 2: barEcho->Inactivate(); // Frequency shifter
MikamiUitOpen 0:f064b50f238e 85 barFqCh->Activate();
MikamiUitOpen 0:f064b50f238e 86 frqLabel->Draw(GuiBase::ENUM_TEXT);
MikamiUitOpen 0:f064b50f238e 87 break;
MikamiUitOpen 0:f064b50f238e 88 }
MikamiUitOpen 0:f064b50f238e 89
MikamiUitOpen 0:f064b50f238e 90 //---------------------------------------------
MikamiUitOpen 0:f064b50f238e 91 // 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 92 if ( mySai.IsCompleted())
MikamiUitOpen 0:f064b50f238e 93 {
MikamiUitOpen 0:f064b50f238e 94 for (int n=0; n<mySai.GetLength(); n++)
MikamiUitOpen 0:f064b50f238e 95 {
MikamiUitOpen 0:f064b50f238e 96 int16_t xL, xR;
MikamiUitOpen 0:f064b50f238e 97 mySai.Input(xL, xR);
MikamiUitOpen 0:f064b50f238e 98 int16_t xn = xL + xR;
MikamiUitOpen 4:450b3cf1e164 99 snIn[n] = xn; // 表示用
MikamiUitOpen 0:f064b50f238e 100
MikamiUitOpen 0:f064b50f238e 101 //-------------------------------------------------------
MikamiUitOpen 0:f064b50f238e 102 // 信号処理実行
MikamiUitOpen 0:f064b50f238e 103 int16_t yn = (int16_t)func[menuNum]->Execute((float)xn);
MikamiUitOpen 0:f064b50f238e 104 //-------------------------------------------------------
MikamiUitOpen 0:f064b50f238e 105
MikamiUitOpen 0:f064b50f238e 106 mySai.Output(yn, yn); // 左右チャンネルに同じ信号を出力
MikamiUitOpen 4:450b3cf1e164 107 snOut[n] = yn; // 表示用
MikamiUitOpen 0:f064b50f238e 108 }
MikamiUitOpen 4:450b3cf1e164 109 mySai.Reset();
MikamiUitOpen 0:f064b50f238e 110
MikamiUitOpen 0:f064b50f238e 111 displayIn->Execute(snIn); // 入力波形の表示
MikamiUitOpen 0:f064b50f238e 112 displayOut->Execute(snOut); // 出力波形の表示
MikamiUitOpen 0:f064b50f238e 113 }
MikamiUitOpen 0:f064b50f238e 114 // １フレーム分の信号処理はここまで
MikamiUitOpen 0:f064b50f238e 115 //---------------------------------------------
MikamiUitOpen 0:f064b50f238e 116 }
MikamiUitOpen 0:f064b50f238e 117 }