不韋 呂 / Mbed 2 deprecated F746_AudioIO_Demo

Demo program of SAI_IO class for audio signal input and output. DISCO-F746 搭載の CODEC (WM8994) を使ってオーディオ信号の入出力を行うための SAI_IO クラスの使用例．

Dependencies:   BSP_DISCO_F746NG F746_GUI F746_SAI_IO LCD_DISCO_F746NG TS_DISCO_F746NG mbed

main.cpp@0:089c5e022aa8, 2016-05-05 (annotated)

Committer:
MikamiUitOpen
Date:
Thu May 05 11:23:17 2016 +0000
Revision:
0:089c5e022aa8
Child:
1:7400dd732dbc
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:089c5e022aa8 1 //----------------------------------------------------------------------
MikamiUitOpen 0:089c5e022aa8 2 // CODEC を使い，MEMS マイクまたはライン (CN11) から入力した信号をそのまま
MikamiUitOpen 0:089c5e022aa8 3 // リアルタイムでヘッドフォン出力 (CN10) へ出力する
MikamiUitOpen 0:089c5e022aa8 4 // ディジタルフィルタなどの雛形として使える
MikamiUitOpen 0:089c5e022aa8 5 //
MikamiUitOpen 0:089c5e022aa8 6 // "stm32746g_discovery_audio.c" の BSP_AUDIO_IN_OUT_Init() 関数は
MikamiUitOpen 0:089c5e022aa8 7 // INPUT_LINE_1 からの入力を禁止しているため，これを禁止しない関数として，
MikamiUitOpen 0:089c5e022aa8 8 // BSP_AUDIO_IN_OUT_Init() の一部を修正し，MyBSP_AUDIO_IN_OUT_Init()
MikamiUitOpen 0:089c5e022aa8 9 // という関数を定義した．
MikamiUitOpen 0:089c5e022aa8 10 // この MyBSP_AUDIO_IN_OUT_Init() は "MyBSP_AUDIO_IN_OUT_Init.hpp" で
MikamiUitOpen 0:089c5e022aa8 11 // 定義されている．
MikamiUitOpen 0:089c5e022aa8 12 //
MikamiUitOpen 0:089c5e022aa8 13 // 2016/05/05, Copyright (c) 2016 MIKAMI, Naoki
MikamiUitOpen 0:089c5e022aa8 14 //----------------------------------------------------------------------
MikamiUitOpen 0:089c5e022aa8 15
MikamiUitOpen 0:089c5e022aa8 16 #include "ButtonGroup.hpp"
MikamiUitOpen 0:089c5e022aa8 17 #include "Label.hpp"
MikamiUitOpen 0:089c5e022aa8 18 #include "WaveformDisplay.hpp"
MikamiUitOpen 0:089c5e022aa8 19
MikamiUitOpen 0:089c5e022aa8 20 #include "SAI_InOut.hpp"
MikamiUitOpen 0:089c5e022aa8 21 using namespace Mikami;
MikamiUitOpen 0:089c5e022aa8 22
MikamiUitOpen 0:089c5e022aa8 23 int main()
MikamiUitOpen 0:089c5e022aa8 24 {
MikamiUitOpen 0:089c5e022aa8 25 const uint32_t BACK_COLOR = GuiBase::ENUM_BACK;
MikamiUitOpen 0:089c5e022aa8 26 const uint32_t AXIS_COLOR = 0xFFCCFFFF;
MikamiUitOpen 0:089c5e022aa8 27 const uint32_t LINE_COLOR = LCD_COLOR_CYAN;
MikamiUitOpen 0:089c5e022aa8 28
MikamiUitOpen 0:089c5e022aa8 29 const uint32_t N_DATA = 400;
MikamiUitOpen 0:089c5e022aa8 30 SaiIO mySai(SaiIO::BOTH, N_DATA, I2S_AUDIOFREQ_16K, INPUT_DEVICE_INPUT_LINE_1);
MikamiUitOpen 0:089c5e022aa8 31
MikamiUitOpen 0:089c5e022aa8 32 LCD_DISCO_F746NG *lcd = GuiBase::GetLcdPtr();
MikamiUitOpen 0:089c5e022aa8 33 lcd->Clear(BACK_COLOR);
MikamiUitOpen 0:089c5e022aa8 34
MikamiUitOpen 0:089c5e022aa8 35 const uint16_t BG_LEFT = 380;
MikamiUitOpen 0:089c5e022aa8 36 const uint16_t BG_WIDTH = 100;
MikamiUitOpen 0:089c5e022aa8 37 const uint16_t BG_HEIGHT = 40;
MikamiUitOpen 0:089c5e022aa8 38
MikamiUitOpen 0:089c5e022aa8 39 const string INPUT[2] = {"MIC", "LINE"};
MikamiUitOpen 0:089c5e022aa8 40 ButtonGroup inSw(BG_LEFT, 180, BG_WIDTH/2, BG_HEIGHT,
MikamiUitOpen 0:089c5e022aa8 41 2, INPUT, 0, 0, 2, 1);
MikamiUitOpen 0:089c5e022aa8 42
MikamiUitOpen 0:089c5e022aa8 43 const string ON_OFF[2] = {"ON", "OFF"};
MikamiUitOpen 0:089c5e022aa8 44 ButtonGroup onOff(BG_LEFT, 230, BG_WIDTH/2, BG_HEIGHT,
MikamiUitOpen 0:089c5e022aa8 45 2, ON_OFF, 0, 0, 2, 0);
MikamiUitOpen 0:089c5e022aa8 46
MikamiUitOpen 0:089c5e022aa8 47 lcd->SetTextColor(LCD_COLOR_WHITE);
MikamiUitOpen 0:089c5e022aa8 48 lcd->SetFont(&Font16);
MikamiUitOpen 0:089c5e022aa8 49
MikamiUitOpen 0:089c5e022aa8 50 const int X_WAV = 30; // Origin for x axis of waveform
MikamiUitOpen 0:089c5e022aa8 51 const int Y_WAV = 60; // Origin for y axis of waveform
MikamiUitOpen 0:089c5e022aa8 52 WaveformDisplay waveDispL(lcd, X_WAV, Y_WAV, N_DATA, 7,
MikamiUitOpen 0:089c5e022aa8 53 AXIS_COLOR, LINE_COLOR, BACK_COLOR);
MikamiUitOpen 0:089c5e022aa8 54 WaveformDisplay waveDispR(lcd, X_WAV, Y_WAV+60, N_DATA, 7,
MikamiUitOpen 0:089c5e022aa8 55 AXIS_COLOR, LINE_COLOR, BACK_COLOR);
MikamiUitOpen 0:089c5e022aa8 56 Label labelL(445, Y_WAV- 8, "L", Label::LEFT, Font16);
MikamiUitOpen 0:089c5e022aa8 57 Label labelR(445, Y_WAV+52, "R", Label::LEFT, Font16);
MikamiUitOpen 0:089c5e022aa8 58
MikamiUitOpen 0:089c5e022aa8 59 int16_t snL[N_DATA];
MikamiUitOpen 0:089c5e022aa8 60 int16_t snR[N_DATA];
MikamiUitOpen 0:089c5e022aa8 61 bool on = true;
MikamiUitOpen 0:089c5e022aa8 62 int inSelect = 1; // input: line
MikamiUitOpen 0:089c5e022aa8 63
MikamiUitOpen 0:089c5e022aa8 64 while(1)
MikamiUitOpen 0:089c5e022aa8 65 {
MikamiUitOpen 0:089c5e022aa8 66 int sw = 0;
MikamiUitOpen 0:089c5e022aa8 67 if (onOff.GetTouchedNumber(sw))
MikamiUitOpen 0:089c5e022aa8 68 on = (sw == 0) ? true : false;
MikamiUitOpen 0:089c5e022aa8 69
MikamiUitOpen 0:089c5e022aa8 70 int swNow;
MikamiUitOpen 0:089c5e022aa8 71 if (inSw.GetTouchedNumber(swNow) && (swNow != inSelect))
MikamiUitOpen 0:089c5e022aa8 72 {
MikamiUitOpen 0:089c5e022aa8 73 mySai.SwitchInputDevice(swNow);
MikamiUitOpen 0:089c5e022aa8 74 inSelect = swNow;
MikamiUitOpen 0:089c5e022aa8 75 }
MikamiUitOpen 0:089c5e022aa8 76
MikamiUitOpen 0:089c5e022aa8 77 if (mySai.IsCompleted())
MikamiUitOpen 0:089c5e022aa8 78 {
MikamiUitOpen 0:089c5e022aa8 79 for (int n=0; n<mySai.GetLength(); n++)
MikamiUitOpen 0:089c5e022aa8 80 {
MikamiUitOpen 0:089c5e022aa8 81 int16_t xL;
MikamiUitOpen 0:089c5e022aa8 82 int16_t xR;
MikamiUitOpen 0:089c5e022aa8 83 mySai.Input(xL, xR);
MikamiUitOpen 0:089c5e022aa8 84 snL[n] = xL; // 入力波形のモニタのため
MikamiUitOpen 0:089c5e022aa8 85 snR[n] = xR; // 入力波形のモニタのため
MikamiUitOpen 0:089c5e022aa8 86
MikamiUitOpen 0:089c5e022aa8 87 //----------------------------------------
MikamiUitOpen 0:089c5e022aa8 88 // ここにディジタルフィルタなどの処理を書く
MikamiUitOpen 0:089c5e022aa8 89 int16_t yL = xL; // through の場合
MikamiUitOpen 0:089c5e022aa8 90 int16_t yR = xR; // through の場合
MikamiUitOpen 0:089c5e022aa8 91 //----------------------------------------
MikamiUitOpen 0:089c5e022aa8 92
MikamiUitOpen 0:089c5e022aa8 93 mySai.Output(yL, yR);
MikamiUitOpen 0:089c5e022aa8 94 }
MikamiUitOpen 0:089c5e022aa8 95 if (on)
MikamiUitOpen 0:089c5e022aa8 96 {
MikamiUitOpen 0:089c5e022aa8 97 waveDispL.Execute(snL);
MikamiUitOpen 0:089c5e022aa8 98 waveDispR.Execute(snR);
MikamiUitOpen 0:089c5e022aa8 99 }
MikamiUitOpen 0:089c5e022aa8 100 mySai.Reset();
MikamiUitOpen 0:089c5e022aa8 101 }
MikamiUitOpen 0:089c5e022aa8 102 }
MikamiUitOpen 0:089c5e022aa8 103 }