Kenji Arai / Mbed OS CW_Decoder_using_FFT_on_F446

CW Decoder (Morse code decoder) 1st release version. Only run on Nucleo-F446RE mbed board.

Dependencies:   Array_Matrix F446_AD_DA ST7565_SPI_LCD TextLCD UIT_FFT_Real

Fork of F446_MySoundMachine by 不韋 呂

Base on F446_MySoundMachine program created by 不韋 呂-san.
Thanks to 不韋 呂-san making fundamental part such as FFT and ADC high speed interrupt driven program.
I just combined LCD and show CW code.

Diff: SignalProcessing/VariableLpHp.hpp

Revision:
6:5e21ac9f0550
Parent:
5:503bd366fd73
--- a/SignalProcessing/VariableLpHp.hpp	Tue Jan 31 12:52:35 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,46 +0,0 @@
-//--------------------------------------------------------------
-// 遮断周波数可変フィルタ，LPF と HPF
-//
-// 2017/01/30, Copyright (c) 2017 MIKAMI, Naoki
-//--------------------------------------------------------------
-
-#ifndef VARIABLE_LOWPASS_HIGHPASS_FILTER_HPP
-#define VARIABLE_LOWPASS_HIGHPASS_FILTER_HPP
-
-#include "IIR_Cascade.hpp"
-#include "SignalProcessing.hpp"
-#include "BilinearDesignLH.hpp"
-#include "Array.hpp"
-using namespace Mikami;
-
-class VariableLpHp  : public SignalProcessing
-{
-public:
-    VariableLpHp(int order, float fs)
-        : ORDER2_(order/2), coefs_(order/2), coefsIir_(order/2),
-          designer_(order, fs), filter_(order) {}
-
-    virtual float Execute(float xn1, float xn2)
-    { return filter_.Execute((xn1 + xn2)*0.5f); }
-
-    void Design(float fc, BilinearDesign::Type passBand)
-    {
-        float g0;
-        designer_.Execute(fc, passBand, coefs_, g0);
-        for (int n=0; n<ORDER2_; n++)
-            coefsIir_[n] = *(Biquad::Coefs *)&coefs_[n];
-
-        filter_.SetCoefs(g0, coefsIir_);
-        filter_.Clear();
-    }
-
-private:
-    const int ORDER2_;
-
-    Array<BilinearDesign::Coefs> coefs_;
-    Array<Biquad::Coefs> coefsIir_;
-
-    BilinearDesign designer_;
-    IirCascade filter_;
-};
-#endif  // VARIABLE_LOWPASS_HIGHPASS_FILTER_HPP