boting ren
revised version of F746_SD_GraphicEqualizer
Dependencies: BSP_DISCO_F746NG F746_GUI F746_SAI_IO FrequencyResponseDrawer LCD_DISCO_F746NG SDFileSystem_Warning_Fixed TS_DISCO_F746NG mbed
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F746_SD_GraphicEqualizer
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不韋 呂
Revision 3:c3976d34cde9, committed 2016-05-01
- Comitter:
- MikamiUitOpen
- Date:
- Sun May 01 14:13:51 2016 +0000
- Parent:
- 2:2a5c93bf729a
- Child:
- 4:14f401cb069a
- Commit message:
- 4
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FrequencyResponseDrawer.lib Sun May 01 14:13:51 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/MikamiUitOpen/code/FrequencyResponseDrawer/#0bc63b49e2a3
--- a/MyClasses_Functions/FrequancyResponseBase.hpp Sun May 01 02:44:30 2016 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,27 +0,0 @@
-//------------------------------------------------------
-// FrqRespDrawer クラスで周波数特性を描画する際に使う
-// 周波数応答に対応するクラスの抽象基底クラス
-//
-// 2016/04/27, Copyright (c) 2016 MIKAMI, Naoki
-//------------------------------------------------------
-
-#ifndef FREQUENCY_RESPONSE_BASE_HPP
-#define FREQUENCY_RESPONSE_BASE_HPP
-
-#include <complex> // requisite for complex
-
-namespace Mikami
-{
- typedef complex<float> Complex; // define "Complex"
-
- class FrequencyResponse
- {
- public:
- // 周波数応答の絶対値を返す関数, 引数: z^(-1)
- virtual float AbsH_z(Complex u) = 0;
-
- protected:
- FrequencyResponse() {}
- };
-}
-#endif // F746_FREQUENCY_RESPONSE_BASE_HPP
--- a/MyClasses_Functions/FrquencyResponseDrawer.cpp Sun May 01 02:44:30 2016 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,105 +0,0 @@
-//-----------------------------------------------------------
-// 周波数が対数スケールの周波数特性を描画するクラス
-// FrqRespDrawer class
-//
-// 2016/05/01, Copyright (c) 2016 MIKAMI, Naoki
-//-----------------------------------------------------------
-
-#include "FrquencyResponseDrawer.hpp"
-
-namespace Mikami
-{
- // 目盛線の描画
- void FrqRespDrawer::DrawAxis()
- {
- uint16_t height = DB1_*(MAX_DB_ - MIN_DB_);
- int logMin = (int)floorf(log10f(MIN_));
- int loop = (int)floorf(log10f(MAX_)) - logMin;
-
- lcd_->SetTextColor(AXIS_COLOR_);
- uint16_t y0 = ORGY_ - height;
- lcd_->DrawVLine(X(MIN_), y0, height); // 最小値に対応する線
-
- float du = powf(10.0, logMin); // 座標値の増分
- float u1 = (floorf(MIN_/du) + 1.0f)*du; // 最小値に対応する線の次の座標値
-
- for (int n=0; n<=loop; n++)
- {
- float uMax = (10.0f*du < MAX_) ? 10.0f*du : MAX_;
- for (float u=u1; u<uMax*0.99f; u+=du)
- lcd_->DrawVLine(X(u), y0, height);
-
- du = uMax; // 値の増分を 10 倍する
- u1 = du; // 次の for ループ の最初の値
- }
-
- lcd_->DrawVLine(X(MAX_), y0, height); // 最大値に対応する線
-
- uint16_t width = X(MAX_) - X(MIN_);
- int count = Round((MAX_DB_ - MIN_DB_)/(Y_SPACE_/DB1_));
- for (int n=0; n<= count; n++)
- lcd_->DrawHLine(X(MIN_), Round(ORGY_-Y_SPACE_*n), width);
- }
-
- // 横軸の目盛値の表示
- void FrqRespDrawer::DrawNumericX(AxisX_Char xChar[], int nDisp, int offsetY,
- string str, sFONT &fonts, uint32_t textColor)
- {
- for (int n=0; n<nDisp; n++)
- Label frq(X(xChar[n].frq), ORGY_+offsetY,
- xChar[n].str, Label::CENTER);
- uint16_t x0 = ORGX_ + (uint16_t)(DEC_*log10f(MAX_/MIN_))/2;
- Label l_frq(x0, ORGY_+20, str, Label::CENTER);
- }
-
- // 縦軸の目盛値の表示
- void FrqRespDrawer::DrawNumericY(int offsetX, int offsetY, uint16_t d_dB,
- const char fmt[], sFONT &fonts,
- uint32_t textColor, string str)
- {
- uint16_t x0 = ORGX_ + offsetX;
- uint16_t y0 = ORGY_ + offsetY;
- int count = Round((MAX_DB_ - MIN_DB_)/d_dB);
-
- for (int n=0; n<=count; n++)
- NumericLabel<int> num(x0, y0-n*d_dB*DB1_,
- fmt, (int)(MIN_DB_+d_dB*n));
- Label l_dB(x0, y0-count*d_dB*DB1_-12, str);
- }
-
- // 周波数特性のグラフの描画
- void FrqRespDrawer::DrawGraph(FrequencyResponse *frqResp, uint32_t color)
- {
- lcd_->SetTextColor(color);
- uint16_t width = X(MAX_) - X(MIN_);
- uint16_t x1 = 0;
- uint16_t y1 = 0;
- float pi2FsM = -6.283185f/FS_; // -2*PI*Ts
- for (int n=0; n<=width; n++)
- {
- float frq = PosToFrq(n+ORGX_);
- uint16_t x2 = X(frq);
- float absHz = frqResp->AbsH_z(exp(Complex(0, pi2FsM*frq)));
- float dB = (absHz > 0.001f) ? 20.0f*log10f(absHz) : MIN_DB_;
- uint16_t y2 = ORGY_ - Round((dB - MIN_DB_)*DB1_);
- if (y2 > ORGY_) y2 = ORGY_;
-
- if (n != 0) lcd_->DrawLine(x1, y1, x2, y2);
-
- x1 = x2;
- y1 = y2;
- }
- lcd_->SetTextColor(AXIS_COLOR_);
- lcd_->DrawHLine(X(MIN_), ORGY_, width+1);
- }
-
- // 消去
- void FrqRespDrawer::Erase()
- {
- lcd_->SetTextColor(BACK_COLOR_);
- uint16_t height = DB1_*(MAX_DB_ - MIN_DB_);
- lcd_->FillRect(ORGX_, ORGY_- height, X(MAX_)-X(MIN_)+1, height+1);
- }
-}
-
-
--- a/MyClasses_Functions/FrquencyResponseDrawer.hpp Sun May 01 02:44:30 2016 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,95 +0,0 @@
-//-----------------------------------------------------------
-// 周波数が対数スケールの周波数特性を描画するクラス
-// FrqRespDrawer class Header
-//
-// 2016/05/01, Copyright (c) 2016 MIKAMI, Naoki
-//-----------------------------------------------------------
-
-#ifndef F746_FRQ_RESP_DRAWER_HPP
-#define F746_FRQ_RESP_DRAWER_HPP
-
-#include "NumericLabel.hpp"
-#include "FrequancyResponseBase.hpp"
-
-namespace Mikami
-{
- class FrqRespDrawer
- {
- public:
- // 横軸の目盛値を描画する際に使う構造体
- struct AxisX_Char { uint16_t frq; string str; };
-
- // Constructor
- FrqRespDrawer(uint16_t org, float min, float max, uint16_t dec,
- uint16_t orgY, float minDb, float maxDb,
- float db1Pixel, float ySpace, float fs,
- uint32_t lineColor = 0xFF00B0FF,
- uint32_t axisColor = LCD_COLOR_LIGHTGRAY,
- uint32_t backColor = GuiBase::ENUM_BACK)
- : lcd_(GuiBase::GetLcdPtr()),
- ORGX_(org), MIN_(min), MAX_(max), DEC_(dec),
- ORGY_(orgY), MIN_DB_(minDb), MAX_DB_(maxDb),
- DB1_(db1Pixel), Y_SPACE_(db1Pixel*ySpace), FS_(fs),
- LINE_COLOR_(lineColor),
- AXIS_COLOR_(axisColor),
- BACK_COLOR_(backColor) {}
-
- // 周波数に対応する x 座標値の取得
- int X(float frq)
- { return Round(ORGX_ + DEC_*log10f(frq/MIN_)); }
-
- // x 座標値を周波数に変換
- float PosToFrq(uint16_t x)
- { return MIN_*powf(10.0f, (x - ORGX_)/(float)DEC_); }
-
- // 目盛線の描画
- void DrawAxis();
-
- // 横軸の目盛値の表示
- void DrawNumericX(AxisX_Char xChar[], int nDisp, int offsetY,
- string str, sFONT &fonts = Font12,
- uint32_t textColor = LCD_COLOR_WHITE);
-
- // 縦軸の目盛値の表示
- void DrawNumericY(int offsetX, int offsetY, uint16_t d_dB,
- const char fmt[], sFONT &fonts = Font12,
- uint32_t textColor = LCD_COLOR_WHITE,
- string str = "[dB]");
-
- // 周波数特性のグラフの描画
- void DrawGraph(FrequencyResponse *frqResp, uint32_t color);
- void DrawGraph(FrequencyResponse *frqResp)
- { DrawGraph(frqResp, LINE_COLOR_);}
-
- // 消去
- void Erase();
-
- private:
- LCD_DISCO_F746NG *lcd_;
- const uint16_t ORGX_; // 横軸の目盛の最小値に対応する位置
- const float MIN_; // 横軸の目盛の最小値
- const float MAX_; // 横軸の目盛の最大値
- const uint16_t DEC_; // 周波数の 10 倍に対応する長さ (pixels)
- const uint16_t ORGY_; // 縦軸の目盛の最小値に対応する位置
- const float MIN_DB_; // 縦軸の目盛の最小値 [dB]
- const float MAX_DB_; // 縦軸の目盛の最大値 [dB]
- const float DB1_; // 1 dB に対応する pixels 数
- const float Y_SPACE_; // 縦軸の目盛線の間隔に対応する pixels 数
- const float FS_; // 標本化周波数
- const uint32_t LINE_COLOR_;
- const uint32_t AXIS_COLOR_;
- const uint32_t BACK_COLOR_;
-
- // 丸め
- int Round(float x) { return x + 0.5f - (x < 0); }
-
- // 10 のべき乗かどうかの検査
- bool PowersOf10(float x)
- { return fabsf(log10f(x) - Round(log10f(x))) < 0.01f; }
-
- // disallow copy constructor and assignment operator
- FrqRespDrawer(const FrqRespDrawer&);
- FrqRespDrawer& operator=(const FrqRespDrawer&);
- };
-}
-#endif // F746_FRQ_RESP_DRAWER_HPP