不韋 呂 / Mbed 2 deprecated CQ_DigitalFilterLab_ALE_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」で使う適応線スペクトル強調器（ALE）のプログラム．ステップサイズパラメータをターミナルから変更できる． http://seminar.cqpub.co.jp/ccm/ES18-0020

Dependencies:   F746_GUI F746_SAI_IO mbed

MyFiles/WaveformDisplay.cpp@4:bde47691ec93, 2018-09-04 (annotated)

Committer:
MikamiUitOpen
Date:
Tue Sep 04 05:52:44 2018 +0000
Revision:
4:bde47691ec93
Parent:
0:c8e52f514e03 
5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:c8e52f514e03 1 //-----------------------------------------------------------
MikamiUitOpen 0:c8e52f514e03 2 // Class for waveform display
MikamiUitOpen 0:c8e52f514e03 3 //
MikamiUitOpen 0:c8e52f514e03 4 // 2017/07/24, Copyright (c) 2017 MIKAMI, Naoki
MikamiUitOpen 0:c8e52f514e03 5 //-----------------------------------------------------------
MikamiUitOpen 0:c8e52f514e03 6
MikamiUitOpen 0:c8e52f514e03 7 #include "WaveformDisplay.hpp"
MikamiUitOpen 0:c8e52f514e03 8
MikamiUitOpen 0:c8e52f514e03 9 namespace Mikami
MikamiUitOpen 0:c8e52f514e03 10 {
MikamiUitOpen 0:c8e52f514e03 11 void WaveformDisplay::Execute(int start, int factor)
MikamiUitOpen 0:c8e52f514e03 12 {
MikamiUitOpen 0:c8e52f514e03 13 Axis();
MikamiUitOpen 0:c8e52f514e03 14 dt_ = factor;
MikamiUitOpen 0:c8e52f514e03 15 Draw(xn_, start, LINE_COLOR1_);
MikamiUitOpen 0:c8e52f514e03 16 Draw(yn_, start, LINE_COLOR2_);
MikamiUitOpen 0:c8e52f514e03 17 lcd_.SetTextColor(BACK_COLOR_);
MikamiUitOpen 0:c8e52f514e03 18 }
MikamiUitOpen 0:c8e52f514e03 19
MikamiUitOpen 0:c8e52f514e03 20 // Clipping
MikamiUitOpen 0:c8e52f514e03 21 uint16_t WaveformDisplay::Clip(int16_t xn)
MikamiUitOpen 0:c8e52f514e03 22 {
MikamiUitOpen 0:c8e52f514e03 23 int16_t x = xn >> R_SHIFT_;
MikamiUitOpen 0:c8e52f514e03 24 if (x > LIMIT_ ) x = LIMIT2_;
MikamiUitOpen 0:c8e52f514e03 25 if (x < -LIMIT_ ) x = -LIMIT2_ ;
MikamiUitOpen 0:c8e52f514e03 26 return Y0_ - x;
MikamiUitOpen 0:c8e52f514e03 27 }
MikamiUitOpen 0:c8e52f514e03 28
MikamiUitOpen 0:c8e52f514e03 29 void WaveformDisplay::Draw(const Array<int16_t>& xn, int start, uint32_t color)
MikamiUitOpen 0:c8e52f514e03 30 {
MikamiUitOpen 0:c8e52f514e03 31 lcd_.SetTextColor(color);
MikamiUitOpen 0:c8e52f514e03 32 uint16_t x1 = X0_;
MikamiUitOpen 0:c8e52f514e03 33 uint16_t y1 = Clip(xn[start]);
MikamiUitOpen 0:c8e52f514e03 34 // for (int n=1; n<N_DATA_; n++)
MikamiUitOpen 0:c8e52f514e03 35 for (int n=1; n<N_DATA_/dt_; n++)
MikamiUitOpen 0:c8e52f514e03 36 {
MikamiUitOpen 0:c8e52f514e03 37 // uint16_t x2 = X0_ + n;
MikamiUitOpen 0:c8e52f514e03 38 uint16_t x2 = X0_ + n*dt_;
MikamiUitOpen 0:c8e52f514e03 39 uint16_t y2 = Clip(xn[start+n]);
MikamiUitOpen 0:c8e52f514e03 40 lcd_.DrawLine(x1, y1, x2, y2);
MikamiUitOpen 0:c8e52f514e03 41
MikamiUitOpen 0:c8e52f514e03 42 x1 = x2;
MikamiUitOpen 0:c8e52f514e03 43 y1 = y2;
MikamiUitOpen 0:c8e52f514e03 44 }
MikamiUitOpen 0:c8e52f514e03 45 }
MikamiUitOpen 0:c8e52f514e03 46
MikamiUitOpen 0:c8e52f514e03 47 void WaveformDisplay::Axis()
MikamiUitOpen 0:c8e52f514e03 48 {
MikamiUitOpen 0:c8e52f514e03 49 lcd_.SetTextColor(BACK_COLOR_);
MikamiUitOpen 0:c8e52f514e03 50 lcd_.FillRect(X0_, Y0_-LIMIT2_, N_DATA_, LIMIT2_*2+1);
MikamiUitOpen 0:c8e52f514e03 51
MikamiUitOpen 0:c8e52f514e03 52 lcd_.SetTextColor(AXIS_COLOR_);
MikamiUitOpen 0:c8e52f514e03 53 lcd_.DrawLine(X0_-5, Y0_, X0_+N_DATA_+5, Y0_);
MikamiUitOpen 0:c8e52f514e03 54 }
MikamiUitOpen 0:c8e52f514e03 55 }