不韋 呂 / Mbed 2 deprecated CQ_DigitalFilterLab_IIR1st_Variable

CQエレクトロニクス･セミナ「実習・マイコンを動かしながら学ぶディジタル･フィルタ」で使うプログラム．1次IIRフィルタの係数をターミナルから変更できる． http://seminar.cqpub.co.jp/ccm/ES18-0020

Dependencies:   mbed Array_Matrix BSP_DISCO_F746NG LCD_DISCO_F746NG TS_DISCO_F746NG

MyFiles/LcdPanelFrq.hpp@2:aa11055138a2, 2017-11-08 (annotated)

Committer:
MikamiUitOpen
Date:
Wed Nov 08 11:10:56 2017 +0000
Revision:
2:aa11055138a2
Parent:
0:47718d3154d9 
3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:47718d3154d9 1 //-----------------------------------------------------------
MikamiUitOpen 0:47718d3154d9 2 // ディジタルフィルタ実験のためのプラットフォームの
MikamiUitOpen 0:47718d3154d9 3 // LCD パネル表示と入力信号の周波数設定で使う
MikamiUitOpen 0:47718d3154d9 4 //
MikamiUitOpen 0:47718d3154d9 5 // 2017/08/21, Copyright (c) 2017 MIKAMI, Naoki
MikamiUitOpen 0:47718d3154d9 6 //-----------------------------------------------------------
MikamiUitOpen 0:47718d3154d9 7
MikamiUitOpen 0:47718d3154d9 8 #ifndef PANEL_MANIPULATOR_HPP
MikamiUitOpen 0:47718d3154d9 9 #define PANEL_MANIPULATOR_HPP
MikamiUitOpen 0:47718d3154d9 10
MikamiUitOpen 0:47718d3154d9 11 #include "F746_GUI.hpp"
MikamiUitOpen 0:47718d3154d9 12 #include "NumericUpDown.hpp"
MikamiUitOpen 0:47718d3154d9 13 #include "Zoom.hpp"
MikamiUitOpen 0:47718d3154d9 14 #include "WaveformDisplay.hpp"
MikamiUitOpen 0:47718d3154d9 15 #include "Trigger.hpp"
MikamiUitOpen 0:47718d3154d9 16
MikamiUitOpen 0:47718d3154d9 17 namespace Mikami
MikamiUitOpen 0:47718d3154d9 18 {
MikamiUitOpen 0:47718d3154d9 19 class LcdPanel
MikamiUitOpen 0:47718d3154d9 20 {
MikamiUitOpen 0:47718d3154d9 21 public:
MikamiUitOpen 0:47718d3154d9 22 // ts : 標本化間隔（単位：μs）
MikamiUitOpen 0:47718d3154d9 23 LcdPanel(float ts)
MikamiUitOpen 0:47718d3154d9 24 : TS_(ts), lcd_(GuiBase::GetLcd()),
MikamiUitOpen 0:47718d3154d9 25 xnD_(N_DISP_BUF_), ynD_(N_DISP_BUF_), frq_(1000),
MikamiUitOpen 0:47718d3154d9 26 dPhi_(PI2_*frq_*TS_), phi_(0), factor_(1)
MikamiUitOpen 0:47718d3154d9 27 {
MikamiUitOpen 0:47718d3154d9 28 Label title(240, 10, "Digital Filter LAB", Label::CENTER, Font16);
MikamiUitOpen 0:47718d3154d9 29
MikamiUitOpen 0:47718d3154d9 30 const uint16_t Y0 = 170;
MikamiUitOpen 0:47718d3154d9 31 // 凡例
MikamiUitOpen 0:47718d3154d9 32 lcd_.SetTextColor(LINE_COLOR1_);
MikamiUitOpen 0:47718d3154d9 33 lcd_.DrawHLine(360, Y0+6, 50);
MikamiUitOpen 0:47718d3154d9 34 Label label1(420, Y0, "Input");
MikamiUitOpen 0:47718d3154d9 35 lcd_.SetTextColor(LINE_COLOR2_);
MikamiUitOpen 0:47718d3154d9 36 lcd_.DrawHLine(360, Y0+26, 50);
MikamiUitOpen 0:47718d3154d9 37 Label label2(420, Y0+20, "Output");
MikamiUitOpen 0:47718d3154d9 38
MikamiUitOpen 0:47718d3154d9 39 waveDisp_ = new WaveformDisplay(lcd_, 30, 90, xnD_, ynD_, 400, 8,
MikamiUitOpen 0:47718d3154d9 40 AXIS_COLOR_,
MikamiUitOpen 0:47718d3154d9 41 LINE_COLOR1_, LINE_COLOR2_,
MikamiUitOpen 0:47718d3154d9 42 BACK_COLOR_);
MikamiUitOpen 0:47718d3154d9 43
MikamiUitOpen 0:47718d3154d9 44 // GUI 設定
MikamiUitOpen 0:47718d3154d9 45 ud_ = new NumericUpDown(4, 0, 271, frq_, 9999, 100, "Hz");
MikamiUitOpen 0:47718d3154d9 46 bar_ = new SeekBar(230, 250, 230,
MikamiUitOpen 0:47718d3154d9 47 log10f(MIN_FRQ_), log10f(MAX_FRQ_), log10f(1000),
MikamiUitOpen 0:47718d3154d9 48 "0.1", "1.0", "10.0");
MikamiUitOpen 0:47718d3154d9 49 // 時間軸の拡大率は 8 倍まで
MikamiUitOpen 0:47718d3154d9 50 zmButton_ = new ZoomButton(240, Y0, 40, 30, 8);
MikamiUitOpen 0:47718d3154d9 51 }
MikamiUitOpen 0:47718d3154d9 52
MikamiUitOpen 0:47718d3154d9 53 // 正弦波の発生で使う値の更新し，取得する
MikamiUitOpen 0:47718d3154d9 54 float GetPhi()
MikamiUitOpen 0:47718d3154d9 55 {
MikamiUitOpen 0:47718d3154d9 56 if ((phi_ += dPhi_) > PI2_) phi_ -= PI2_;
MikamiUitOpen 0:47718d3154d9 57 return phi_;
MikamiUitOpen 0:47718d3154d9 58 }
MikamiUitOpen 0:47718d3154d9 59
MikamiUitOpen 0:47718d3154d9 60 // 周波数設定の更新とズームイン／アウト･ボタンの処理
MikamiUitOpen 0:47718d3154d9 61 void Update()
MikamiUitOpen 0:47718d3154d9 62 {
MikamiUitOpen 0:47718d3154d9 63 if (bar_->Slide()) // SeekBar をスライドした場合の処理
MikamiUitOpen 0:47718d3154d9 64 {
MikamiUitOpen 0:47718d3154d9 65 frq_ = (int)(powf(10, bar_->GetValue())+0.5f);
MikamiUitOpen 0:47718d3154d9 66 if (frq_ >= MAX_FRQ_) frq_ = MAX_FRQ_ - 1;
MikamiUitOpen 0:47718d3154d9 67 ud_->Set(frq_); // SeekBar の数値を NumericUpDown に表示する
MikamiUitOpen 0:47718d3154d9 68 dPhi_ = PI2_*frq_*TS_;
MikamiUitOpen 0:47718d3154d9 69 }
MikamiUitOpen 0:47718d3154d9 70
MikamiUitOpen 0:47718d3154d9 71 if (ud_->Touched()) // NumericUpDown をタッチした場合の処理
MikamiUitOpen 0:47718d3154d9 72 {
MikamiUitOpen 0:47718d3154d9 73 frq_ = ud_->Get();
MikamiUitOpen 0:47718d3154d9 74 bar_->Draw(log10f(frq_)); // NumericUpDown の数値で SeekBar のツマミの位置を設定
MikamiUitOpen 0:47718d3154d9 75 dPhi_ = PI2_*frq_*TS_;
MikamiUitOpen 0:47718d3154d9 76 }
MikamiUitOpen 0:47718d3154d9 77
MikamiUitOpen 0:47718d3154d9 78 zmButton_->Touched(factor_); // ズームインとズームアウト
MikamiUitOpen 0:47718d3154d9 79 }
MikamiUitOpen 0:47718d3154d9 80
MikamiUitOpen 0:47718d3154d9 81 // 入出力信号のデータを表示用バッファへ格納
MikamiUitOpen 0:47718d3154d9 82 void Store(int16_t xn, int16_t yn, int n)
MikamiUitOpen 0:47718d3154d9 83 {
MikamiUitOpen 0:47718d3154d9 84 if (n >= N_DISP_BUF_) return;
MikamiUitOpen 0:47718d3154d9 85
MikamiUitOpen 0:47718d3154d9 86 xnD_[n] = xn;
MikamiUitOpen 0:47718d3154d9 87 ynD_[n] = yn;
MikamiUitOpen 0:47718d3154d9 88 }
MikamiUitOpen 0:47718d3154d9 89
MikamiUitOpen 0:47718d3154d9 90 // 入出力信号の波形の表示
MikamiUitOpen 0:47718d3154d9 91 void Display() { waveDisp_->Execute(Trigger(xnD_, 1), factor_); }
MikamiUitOpen 0:47718d3154d9 92
MikamiUitOpen 0:47718d3154d9 93 private:
MikamiUitOpen 0:47718d3154d9 94 static const float PI_ = 3.1415926536f;
MikamiUitOpen 0:47718d3154d9 95 static const float PI2_ = 2.0f*PI_;
MikamiUitOpen 0:47718d3154d9 96 static const int MIN_FRQ_ = 100; // 発生する周波数の最小値
MikamiUitOpen 0:47718d3154d9 97 static const int MAX_FRQ_ = 10000; // 発生する周波数の最大値
MikamiUitOpen 0:47718d3154d9 98 static const uint32_t BACK_COLOR_ = GuiBase::ENUM_BACK;
MikamiUitOpen 0:47718d3154d9 99 static const uint32_t AXIS_COLOR_ = 0xFFCCFFFF;
MikamiUitOpen 0:47718d3154d9 100 static const uint32_t LINE_COLOR1_ = LCD_COLOR_CYAN;
MikamiUitOpen 0:47718d3154d9 101 static const uint32_t LINE_COLOR2_ = LCD_COLOR_MAGENTA;
MikamiUitOpen 0:47718d3154d9 102 static const int N_DISP_BUF_ = 1000; // 波形表示用のバッファのサイズ
MikamiUitOpen 0:47718d3154d9 103
MikamiUitOpen 0:47718d3154d9 104 const float TS_; // 標本化間隔
MikamiUitOpen 0:47718d3154d9 105
MikamiUitOpen 0:47718d3154d9 106 LCD_DISCO_F746NG &lcd_;
MikamiUitOpen 0:47718d3154d9 107 WaveformDisplay *waveDisp_;
MikamiUitOpen 0:47718d3154d9 108 NumericUpDown *ud_; // 入力信号の周波数設定用（1 Hz 単位での設定用）
MikamiUitOpen 0:47718d3154d9 109 SeekBar *bar_; // 入力信号の周波数設定用（概略の設定用）
MikamiUitOpen 0:47718d3154d9 110 ZoomButton *zmButton_; // 波形表示：ズームイン/アウト用
MikamiUitOpen 0:47718d3154d9 111
MikamiUitOpen 0:47718d3154d9 112 Array<int16_t> xnD_; // 波形表示で使うバッファ（入力信号用）
MikamiUitOpen 0:47718d3154d9 113 Array<int16_t> ynD_; // 波形表示で使うバッファ（出力信号用）
MikamiUitOpen 0:47718d3154d9 114 int frq_; // 現在の入力信号の周波数，初期値は 1 kHz
MikamiUitOpen 0:47718d3154d9 115 float dPhi_, phi_; // 入力信号の生成で使う変数
MikamiUitOpen 0:47718d3154d9 116 int factor_; // 波形表示の際の標本化間隔に対応するピクセル数
MikamiUitOpen 0:47718d3154d9 117 };
MikamiUitOpen 0:47718d3154d9 118 }
MikamiUitOpen 0:47718d3154d9 119 #endif // PANEL_MANIPULATOR_HPP