不韋 呂 / Mbed 2 deprecated F746_RealtimeSpectrumAnalyzer_MEMS_Mic

Version using MEMS microphone and CODEC for the program "F746_RealtimeSpectrumAnalyzer". "F746_RealtimeSpectrumAnalyzer" の入力を MEMS のマイクと CODEC に変更．このプログラムは Tomona Nanase さんが作成し DISCO-F746NG_Oscilloscope の名前で登録しているプログラムで， CODEC を使って入力する部分を参考にして作成．このプログラムの説明は，CQ出版社のインターフェース誌，2016年4月号に掲載．

Dependencies:   BSP_DISCO_F746NG BUTTON_GROUP LCD_DISCO_F746NG TS_DISCO_F746NG UIT_FFT_Real mbed

MyClasses_Functions/AnalysisSelector.hpp@8:e7dc8658c5cd, 2016-04-19 (annotated)

Committer:
MikamiUitOpen
Date:
Tue Apr 19 09:35:24 2016 +0000
Revision:
8:e7dc8658c5cd
Parent:
0:0e5131366580 
9

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:0e5131366580 1 //-------------------------------------------------------
MikamiUitOpen 0:0e5131366580 2 // Class for selecting spectrum analysis method and
MikamiUitOpen 0:0e5131366580 3 // displaying
MikamiUitOpen 0:0e5131366580 4 //
MikamiUitOpen 0:0e5131366580 5 // 2015/12/29, Copyright (c) 2015 MIKAMI, Naoki
MikamiUitOpen 0:0e5131366580 6 //-------------------------------------------------------
MikamiUitOpen 0:0e5131366580 7
MikamiUitOpen 0:0e5131366580 8 #include "SpectrumDisplay.hpp"
MikamiUitOpen 0:0e5131366580 9 #include "FFT_Analysis.hpp"
MikamiUitOpen 0:0e5131366580 10 #include "LPC_Analysis.hpp"
MikamiUitOpen 0:0e5131366580 11 #include "CepstrumAnalysis.hpp"
MikamiUitOpen 0:0e5131366580 12 using namespace Mikami;
MikamiUitOpen 0:0e5131366580 13
MikamiUitOpen 0:0e5131366580 14 namespace Mikami
MikamiUitOpen 0:0e5131366580 15 {
MikamiUitOpen 0:0e5131366580 16 class Selector
MikamiUitOpen 0:0e5131366580 17 {
MikamiUitOpen 0:0e5131366580 18 public:
MikamiUitOpen 0:0e5131366580 19 Selector(SpectrumDisplay& disp,
MikamiUitOpen 0:0e5131366580 20 int nData, int nFft, int order, int nLifter)
MikamiUitOpen 0:0e5131366580 21 : disp_(disp), N_DATA_(nData),
MikamiUitOpen 0:0e5131366580 22 sn_f_(new float[nData]), dbData_(new float[nFft/2+1])
MikamiUitOpen 0:0e5131366580 23 {
MikamiUitOpen 0:0e5131366580 24 obj_[0] = new FftAnalyzer(nData, nFft);
MikamiUitOpen 0:0e5131366580 25 obj_[1] = new LpcAnalyzer(nData, nFft, order);
MikamiUitOpen 0:0e5131366580 26 obj_[2] = new CepstrumAnalyzer(nData, nFft, nLifter);
MikamiUitOpen 0:0e5131366580 27 }
MikamiUitOpen 0:0e5131366580 28
MikamiUitOpen 0:0e5131366580 29 ~Selector()
MikamiUitOpen 0:0e5131366580 30 {
MikamiUitOpen 0:0e5131366580 31 delete[] sn_f_;
MikamiUitOpen 0:0e5131366580 32 delete[] dbData_;
MikamiUitOpen 0:0e5131366580 33 for (int n=0; n<3; n++) delete obj_[n];
MikamiUitOpen 0:0e5131366580 34 }
MikamiUitOpen 0:0e5131366580 35
MikamiUitOpen 0:0e5131366580 36 void Execute(const int16_t sn[], int touchedNum)
MikamiUitOpen 0:0e5131366580 37 {
MikamiUitOpen 0:0e5131366580 38 if (touchedNum >=0)
MikamiUitOpen 0:0e5131366580 39 {
MikamiUitOpen 0:0e5131366580 40 for (int n=0; n<N_DATA_; n++) sn_f_[n] = sn[n];
MikamiUitOpen 0:0e5131366580 41 obj_[touchedNum]->Execute(sn_f_, dbData_);
MikamiUitOpen 0:0e5131366580 42 disp_.Draw(dbData_);
MikamiUitOpen 0:0e5131366580 43 }
MikamiUitOpen 0:0e5131366580 44 }
MikamiUitOpen 0:0e5131366580 45
MikamiUitOpen 0:0e5131366580 46 private:
MikamiUitOpen 0:0e5131366580 47 SpectrumDisplay& disp_;
MikamiUitOpen 0:0e5131366580 48 AnalyzerBase* obj_[3];
MikamiUitOpen 0:0e5131366580 49
MikamiUitOpen 0:0e5131366580 50 const int N_DATA_;
MikamiUitOpen 0:0e5131366580 51
MikamiUitOpen 0:0e5131366580 52 float* sn_f_;
MikamiUitOpen 0:0e5131366580 53 float* dbData_;
MikamiUitOpen 0:0e5131366580 54
MikamiUitOpen 0:0e5131366580 55 // disallow copy constructor and assignment operator
MikamiUitOpen 0:0e5131366580 56 Selector(const Selector& );
MikamiUitOpen 0:0e5131366580 57 Selector& operator=(const Selector& );
MikamiUitOpen 0:0e5131366580 58 };
MikamiUitOpen 0:0e5131366580 59 }