ファンクション・ジェネレータ
Dependencies: mbed SerialTxRxIntr MyTicker7 Array_Matrix
IIR_Cascade/IIR_Cascade.hpp@0:17c762b41fc7, 2020-10-17 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Sat Oct 17 10:05:58 2020 +0000
- Revision:
- 0:17c762b41fc7
1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikamiUitOpen | 0:17c762b41fc7 | 1 | //--------------------------------------------------- |
MikamiUitOpen | 0:17c762b41fc7 | 2 | // 縦続形 IIR フィルタ(ヘッダ) |
MikamiUitOpen | 0:17c762b41fc7 | 3 | // |
MikamiUitOpen | 0:17c762b41fc7 | 4 | // 2020/05/30, Copyright (c) 2020 MIKAMI, Naoki |
MikamiUitOpen | 0:17c762b41fc7 | 5 | //--------------------------------------------------- |
MikamiUitOpen | 0:17c762b41fc7 | 6 | |
MikamiUitOpen | 0:17c762b41fc7 | 7 | #ifndef IIR_CASCADE_HPP |
MikamiUitOpen | 0:17c762b41fc7 | 8 | #define IIR_CASCADE_HPP |
MikamiUitOpen | 0:17c762b41fc7 | 9 | |
MikamiUitOpen | 0:17c762b41fc7 | 10 | #include "Biquad.hpp" |
MikamiUitOpen | 0:17c762b41fc7 | 11 | #include "Array.hpp" // Array クラスが定義されている |
MikamiUitOpen | 0:17c762b41fc7 | 12 | |
MikamiUitOpen | 0:17c762b41fc7 | 13 | namespace Mikami |
MikamiUitOpen | 0:17c762b41fc7 | 14 | { |
MikamiUitOpen | 0:17c762b41fc7 | 15 | class IirCascade |
MikamiUitOpen | 0:17c762b41fc7 | 16 | { |
MikamiUitOpen | 0:17c762b41fc7 | 17 | public: |
MikamiUitOpen | 0:17c762b41fc7 | 18 | // コンストラクタ |
MikamiUitOpen | 0:17c762b41fc7 | 19 | IirCascade(int order = 0, const Biquad::Coefs ck[] = NULL, |
MikamiUitOpen | 0:17c762b41fc7 | 20 | float g0 = 1); |
MikamiUitOpen | 0:17c762b41fc7 | 21 | |
MikamiUitOpen | 0:17c762b41fc7 | 22 | // フィルタ処理を実行する |
MikamiUitOpen | 0:17c762b41fc7 | 23 | float Execute(float xn); |
MikamiUitOpen | 0:17c762b41fc7 | 24 | |
MikamiUitOpen | 0:17c762b41fc7 | 25 | // 係数の設定 |
MikamiUitOpen | 0:17c762b41fc7 | 26 | void SetCoefs(int order, const Biquad::Coefs ck[], float g0); |
MikamiUitOpen | 0:17c762b41fc7 | 27 | |
MikamiUitOpen | 0:17c762b41fc7 | 28 | // 内部変数(遅延器)のクリア |
MikamiUitOpen | 0:17c762b41fc7 | 29 | void Clear() |
MikamiUitOpen | 0:17c762b41fc7 | 30 | { for (int k=0; k<hOrder_; k++) bq_[k].Clear(); } |
MikamiUitOpen | 0:17c762b41fc7 | 31 | |
MikamiUitOpen | 0:17c762b41fc7 | 32 | private: |
MikamiUitOpen | 0:17c762b41fc7 | 33 | int hOrder_; // 次数/2 |
MikamiUitOpen | 0:17c762b41fc7 | 34 | Array<Biquad> bq_; // Biquad クラスのオブジェクトの配列 |
MikamiUitOpen | 0:17c762b41fc7 | 35 | float g0_; // 利得定数 |
MikamiUitOpen | 0:17c762b41fc7 | 36 | |
MikamiUitOpen | 0:17c762b41fc7 | 37 | // コピー・コンストラクタ,代入演算子禁止禁止のため |
MikamiUitOpen | 0:17c762b41fc7 | 38 | IirCascade(const IirCascade&); |
MikamiUitOpen | 0:17c762b41fc7 | 39 | IirCascade& operator=(const IirCascade&); |
MikamiUitOpen | 0:17c762b41fc7 | 40 | }; |
MikamiUitOpen | 0:17c762b41fc7 | 41 | } |
MikamiUitOpen | 0:17c762b41fc7 | 42 | #endif // IIR_CASCADE_HPP |