DesignerDrawer.hpp

00001 //------------------------------------------------------------------------------
00002 //  IIR フィルタを双一次 z 変換で設計し，その周波数特性を描画するためのクラス -- Header
00003 //  
00004 //  2016/05/01, Copyright (c) 2016 MIKAMI, Naoki
00005 //------------------------------------------------------------------------------
00006 
00007 #ifndef F746_DISIGNER_AND_DRAWER_HPP
00008 #define F746_DISIGNER_AND_DRAWER_HPP
00009 
00010 #include "NumericLabel.hpp"
00011 #include "TouchPanelDetectorX.hpp"
00012 #include "FrquencyResponseDrawer.hpp"
00013 #include "BilinearDesignLH.hpp"
00014 #include "IIR_CascadeFrqResp.hpp"
00015 
00016 namespace Mikami
00017 {
00018     class DesignerDrawer
00019     {
00020     public:
00021         // Constructor
00022         DesignerDrawer(uint16_t x0, uint16_t y0,
00023                        float db1, int fs, int order,
00024                        float fc, uint16_t fL, uint16_t fH,
00025                        BilinearDesign::Type lpHp);
00026 
00027         ~DesignerDrawer();
00028 
00029         // フィルタの再設計と周波数特性の再描画
00030         bool ReDesignAndDraw(Biquad::Coefs *ck, float &g0,
00031                              BilinearDesign::Type lpHp);
00032         
00033         // 周波数特性の描画
00034         void DrawResponse();
00035 
00036         void GetCoefficients(Biquad::Coefs *ck, float &g0);
00037         
00038         uint16_t GetOrder() { return ORDER_; }
00039 
00040     private:
00041         LCD_DISCO_F746NG *lcd_;
00042         TS_DISCO_F746NG *ts_;
00043 
00044         const uint16_t X0_, Y0_;
00045         const uint16_t ORDER_;
00046         const uint16_t CURSOR_Y0_, CURSOR_LENGTH_;
00047         const uint16_t LOWER_F_, HIGHER_F_;
00048         const uint32_t CURSOR_COLOR_, CURSOR_TOUCHED_COLOR_;
00049 
00050         IIR_CascadeFrqResp *frqResp_;   // IIR フィルタの周波数応答に対応するオブジェクト
00051         BilinearDesign::Coefs *coefs_;  // 設計された係数
00052         Biquad::Coefs *ck_;
00053         float g0_;                      // 設計された係数(利得定数)
00054         
00055         int fC_;    // 遮断周波数
00056 
00057         uint16_t cursorX_, oldCursorX_;
00058         bool cursorRedraw_;
00059         BilinearDesign::Type lp_;
00060         
00061         FrqRespDrawer *drawerObj_;
00062         BilinearDesign *designObj_;
00063         TouchPanelDetectorX *tp_;
00064         NumericLabel<int> *lblFrq_; // 遮断周波数表示用
00065         
00066         // 周波数を 10, 20, 50, 100 Hz の倍数にする
00067         int Frq10(float f);
00068     };
00069 }
00070 #endif  // F746_DISIGNER_AND_DRAWER_HPP