不韋 呂 / Mbed 2 deprecated F746_AudioPlayerSD

Output the audio signal (*.bin) with filtering by IIR filter in the SD card using onboard CODEC. For *.wav file, F746_SD_WavPlayer and F746_SD_GraphicEqualiser are published on mbed. SD カードのオーディオ信号 (*.bin) を遮断周波数可変の IIR フィルタを通して，ボードに搭載されているCODEC で出力する．*.wav 形式のファイル用には，F746_SD_WavPlayer と F746_SD_GraphicEqualiser を mbed で公開している．

Dependencies:   BSP_DISCO_F746NG_patch_fixed F746_GUI LCD_DISCO_F746NG SDFileSystem_Warning_Fixed TS_DISCO_F746NG mbed

MyClasses_Functions/FrquencyResponseDrawer.cpp@0:6748e3332e85, 2016-04-08 (annotated)

Committer:
MikamiUitOpen
Date:
Fri Apr 08 13:11:53 2016 +0000
Revision:
0:6748e3332e85
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:6748e3332e85 1 //-----------------------------------------------------------
MikamiUitOpen 0:6748e3332e85 2 // FrqRespDrawer class (Abstract base class)
MikamiUitOpen 0:6748e3332e85 3 //
MikamiUitOpen 0:6748e3332e85 4 // 2016/03/31, Copyright (c) 2016 MIKAMI, Naoki
MikamiUitOpen 0:6748e3332e85 5 //-----------------------------------------------------------
MikamiUitOpen 0:6748e3332e85 6
MikamiUitOpen 0:6748e3332e85 7 #include "FrquencyResponseDrawer.hpp"
MikamiUitOpen 0:6748e3332e85 8 #include "NumericLabel.hpp"
MikamiUitOpen 0:6748e3332e85 9
MikamiUitOpen 0:6748e3332e85 10 namespace Mikami
MikamiUitOpen 0:6748e3332e85 11 {
MikamiUitOpen 0:6748e3332e85 12 // 目盛線の描画
MikamiUitOpen 0:6748e3332e85 13 void FrqRespDrawer::DrawAxis()
MikamiUitOpen 0:6748e3332e85 14 {
MikamiUitOpen 0:6748e3332e85 15 uint16_t height = DB1_*(P_.MAX_DB - P_.MIN_DB);
MikamiUitOpen 0:6748e3332e85 16 int logMin = (int)floorf(log10f(P_.MIN));
MikamiUitOpen 0:6748e3332e85 17 int loop = (int)floorf(log10f(P_.MAX)) - logMin;
MikamiUitOpen 0:6748e3332e85 18
MikamiUitOpen 0:6748e3332e85 19 lcd_->SetTextColor(P_.AXIS_COLOR);
MikamiUitOpen 0:6748e3332e85 20 uint16_t y0 = P_.ORGY- height;
MikamiUitOpen 0:6748e3332e85 21 lcd_->DrawVLine(X(P_.MIN), y0, height); // 最小値に対応する線
MikamiUitOpen 0:6748e3332e85 22
MikamiUitOpen 0:6748e3332e85 23 float du = powf(10.0, logMin); // 座標値の増分
MikamiUitOpen 0:6748e3332e85 24 float u1 = (floorf(P_.MIN/du) + 1.0f)*du; // 最小値に対応する線の次の座標値
MikamiUitOpen 0:6748e3332e85 25
MikamiUitOpen 0:6748e3332e85 26 for (int n=0; n<=loop; n++)
MikamiUitOpen 0:6748e3332e85 27 {
MikamiUitOpen 0:6748e3332e85 28 float uMax = (10.0f*du < P_.MAX) ? 10.0f*du : P_.MAX;
MikamiUitOpen 0:6748e3332e85 29 for (float u=u1; u<uMax*0.99f; u+=du)
MikamiUitOpen 0:6748e3332e85 30 lcd_->DrawVLine(X(u), y0, height);
MikamiUitOpen 0:6748e3332e85 31
MikamiUitOpen 0:6748e3332e85 32 du = uMax; // 値の増分を 10 倍する
MikamiUitOpen 0:6748e3332e85 33 u1 = du; // 次の for ループ の最初の値
MikamiUitOpen 0:6748e3332e85 34 }
MikamiUitOpen 0:6748e3332e85 35
MikamiUitOpen 0:6748e3332e85 36 lcd_->DrawVLine(X(P_.MAX), y0, height); // 最大値に対応する線
MikamiUitOpen 0:6748e3332e85 37
MikamiUitOpen 0:6748e3332e85 38 uint16_t width = X(P_.MAX) - X(P_.MIN);
MikamiUitOpen 0:6748e3332e85 39 for (int n=0; n<= (P_.MAX_DB - P_.MIN_DB)/10; n++)
MikamiUitOpen 0:6748e3332e85 40 lcd_->DrawHLine(X(P_.MIN), P_.ORGY-P_.DB10*n, width);
MikamiUitOpen 0:6748e3332e85 41 }
MikamiUitOpen 0:6748e3332e85 42
MikamiUitOpen 0:6748e3332e85 43 // 縦軸の数値の表示
MikamiUitOpen 0:6748e3332e85 44 void FrqRespDrawer::DrawNumericY(int offsetX, int offsetY, int count,
MikamiUitOpen 0:6748e3332e85 45 uint16_t d_dB, const char fmt[], sFONT &fonts,
MikamiUitOpen 0:6748e3332e85 46 uint32_t textColor)
MikamiUitOpen 0:6748e3332e85 47 {
MikamiUitOpen 0:6748e3332e85 48 uint16_t x0 = P_.ORG + offsetX;
MikamiUitOpen 0:6748e3332e85 49 uint16_t y0 = P_.ORGY + offsetY;
MikamiUitOpen 0:6748e3332e85 50 for (int n=0; n<count; n++)
MikamiUitOpen 0:6748e3332e85 51 new NumericLabel<int>(x0, y0-n*d_dB*DB1_,
MikamiUitOpen 0:6748e3332e85 52 fmt, (int)(P_.MIN_DB+d_dB*n));
MikamiUitOpen 0:6748e3332e85 53 }
MikamiUitOpen 0:6748e3332e85 54
MikamiUitOpen 0:6748e3332e85 55 // 周波数特性のグラフの描画
MikamiUitOpen 0:6748e3332e85 56 void FrqRespDrawer::DrawGraph()
MikamiUitOpen 0:6748e3332e85 57 {
MikamiUitOpen 0:6748e3332e85 58 lcd_->SetTextColor(P_.LINE_COLOR);
MikamiUitOpen 0:6748e3332e85 59 uint16_t width = X(P_.MAX) - X(P_.MIN);
MikamiUitOpen 0:6748e3332e85 60 uint16_t x1 = 0;
MikamiUitOpen 0:6748e3332e85 61 uint16_t y1 = 0;
MikamiUitOpen 0:6748e3332e85 62 float pi2FsM = -6.283185f/P_.FS; // -2*PI*Ts
MikamiUitOpen 0:6748e3332e85 63 for (int n=0; n<=width; n++)
MikamiUitOpen 0:6748e3332e85 64 {
MikamiUitOpen 0:6748e3332e85 65 float frq = PosToFrq(n+P_.ORG);
MikamiUitOpen 0:6748e3332e85 66 uint16_t x2 = X(frq);
MikamiUitOpen 0:6748e3332e85 67
MikamiUitOpen 0:6748e3332e85 68 float absHz = AbsH_z(exp(Complex(0, pi2FsM*frq)));
MikamiUitOpen 0:6748e3332e85 69 float dB = (absHz > 0.001f) ? 20.0f*log10f(absHz) : P_.MIN_DB;
MikamiUitOpen 0:6748e3332e85 70 uint16_t y2 = P_.ORGY - Round((dB - P_.MIN_DB)*DB1_);
MikamiUitOpen 0:6748e3332e85 71 if (y2 > P_.ORGY) y2 = P_.ORGY;
MikamiUitOpen 0:6748e3332e85 72
MikamiUitOpen 0:6748e3332e85 73 if (n != 0) lcd_->DrawLine(x1, y1, x2, y2);
MikamiUitOpen 0:6748e3332e85 74
MikamiUitOpen 0:6748e3332e85 75 x1 = x2;
MikamiUitOpen 0:6748e3332e85 76 y1 = y2;
MikamiUitOpen 0:6748e3332e85 77 }
MikamiUitOpen 0:6748e3332e85 78 lcd_->SetTextColor(P_.AXIS_COLOR);
MikamiUitOpen 0:6748e3332e85 79 lcd_->DrawHLine(X(P_.MIN), P_.ORGY, width);
MikamiUitOpen 0:6748e3332e85 80 }
MikamiUitOpen 0:6748e3332e85 81
MikamiUitOpen 0:6748e3332e85 82 // 消去
MikamiUitOpen 0:6748e3332e85 83 void FrqRespDrawer::Erase()
MikamiUitOpen 0:6748e3332e85 84 {
MikamiUitOpen 0:6748e3332e85 85 lcd_->SetTextColor(P_.BACK_COLOR);
MikamiUitOpen 0:6748e3332e85 86 uint16_t height = DB1_*(P_.MAX_DB - P_.MIN_DB);
MikamiUitOpen 0:6748e3332e85 87 lcd_->FillRect(P_.ORG, P_.ORGY- height, X(P_.MAX)-X(P_.MIN)+1, height+1);
MikamiUitOpen 0:6748e3332e85 88 }
MikamiUitOpen 0:6748e3332e85 89 }