Diff: WindowingDesignLpfHpf/WindowingDesignLH.hpp

Revision:

6:e4b8e25573f3

Parent:

5:184a0b023f5c

Child:

7:46327dcab1bf

--- a/WindowingDesignLpfHpf/WindowingDesignLH.hpp	Sun Dec 07 11:55:00 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,52 +0,0 @@
-//------------------------------------------------------------------------------
-//  Design of FIR filter of LPF and HPF using window method -- Header
-//
-//  2014/11/09, Copyright (c) 2014 MIKAMI, Naoki
-//------------------------------------------------------------------------------
-
-#ifndef HAMMING_WINDOWING_DESIGN_HPP
-#define HAMMING_WINDOWING_DESIGN_HPP
-
-#include "mbed.h"
-
-namespace Mikami
-{
-    class WindowingDesign
-    {
-    public:
-        struct Coefs { float a1, a2, b1; };
-        enum Type { LPF, HPF };
-
-        // Constructor
-        WindowingDesign(int order, float fs);
-
-        //Destructor
-        ~WindowingDesign()
-        {
-            delete[] hm_;
-            delete[] wn_;
-        }
-
-        // Execution of design
-        void Design(int order, Type pb, float fc, float hk[]);
-
-    private:
-        static const float PI_ = 3.1415926536f;
-        const float FS_;    // Sampling frequency
-        const float PI_FS_;
-        
-        float *hm_;     // For coefficients
-        float *wn_;     // For Windwo
-                
-        int order_;     // Order
-        float fC_;      // Cutoff frequency
-        
-        // Calculation of coefficients for LPF
-        void LpfCoefficients();
-        // Transform LPF to HPF
-        void ToHpf();
-        // Hamming window
-        void HammWindow();
-    };
-}
-#endif  // HAMMING_WINDOWING_DESIGN_HPP