不韋 呂 / Mbed 2 deprecated CQ_DigitalFilterLab

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．雛形として使う． http://seminar.cqpub.co.jp/ccm/ES18-0020

Dependencies:   F746_GUI F746_SAI_IO mbed

MyFiles/WaveformDisplay.cpp@0:b6d17af0f47a, 2017-09-29 (annotated)

Committer:
MikamiUitOpen
Date:
Fri Sep 29 12:50:44 2017 +0000
Revision:
0:b6d17af0f47a
Child:
3:05c8d0ee9c37
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:b6d17af0f47a 1 //-----------------------------------------------------------
MikamiUitOpen 0:b6d17af0f47a 2 // Class for waveform display
MikamiUitOpen 0:b6d17af0f47a 3 //
MikamiUitOpen 0:b6d17af0f47a 4 // 2017/07/24, Copyright (c) 2017 MIKAMI, Naoki
MikamiUitOpen 0:b6d17af0f47a 5 //-----------------------------------------------------------
MikamiUitOpen 0:b6d17af0f47a 6
MikamiUitOpen 0:b6d17af0f47a 7 #include "WaveformDisplay.hpp"
MikamiUitOpen 0:b6d17af0f47a 8
MikamiUitOpen 0:b6d17af0f47a 9 namespace Mikami
MikamiUitOpen 0:b6d17af0f47a 10 {
MikamiUitOpen 0:b6d17af0f47a 11 void WaveformDisplay::Execute(int start, int factor)
MikamiUitOpen 0:b6d17af0f47a 12 {
MikamiUitOpen 0:b6d17af0f47a 13 Axis();
MikamiUitOpen 0:b6d17af0f47a 14 dt_ = factor;
MikamiUitOpen 0:b6d17af0f47a 15 Draw(xn_, start, LINE_COLOR1_);
MikamiUitOpen 0:b6d17af0f47a 16 Draw(yn_, start, LINE_COLOR2_);
MikamiUitOpen 0:b6d17af0f47a 17 lcd_.SetTextColor(BACK_COLOR_);
MikamiUitOpen 0:b6d17af0f47a 18 }
MikamiUitOpen 0:b6d17af0f47a 19
MikamiUitOpen 0:b6d17af0f47a 20 // Clipping
MikamiUitOpen 0:b6d17af0f47a 21 uint16_t WaveformDisplay::Clip(int16_t xn)
MikamiUitOpen 0:b6d17af0f47a 22 {
MikamiUitOpen 0:b6d17af0f47a 23 int16_t x = xn >> R_SHIFT_;
MikamiUitOpen 0:b6d17af0f47a 24 if (x > LIMIT_ ) x = LIMIT2_;
MikamiUitOpen 0:b6d17af0f47a 25 if (x < -LIMIT_ ) x = -LIMIT2_ ;
MikamiUitOpen 0:b6d17af0f47a 26 return Y0_ - x;
MikamiUitOpen 0:b6d17af0f47a 27 }
MikamiUitOpen 0:b6d17af0f47a 28
MikamiUitOpen 0:b6d17af0f47a 29 void WaveformDisplay::Draw(const Array<int16_t>& xn, int start, uint32_t color)
MikamiUitOpen 0:b6d17af0f47a 30 {
MikamiUitOpen 0:b6d17af0f47a 31 lcd_.SetTextColor(color);
MikamiUitOpen 0:b6d17af0f47a 32 uint16_t x1 = X0_;
MikamiUitOpen 0:b6d17af0f47a 33 uint16_t y1 = Clip(xn[start]);
MikamiUitOpen 0:b6d17af0f47a 34 // for (int n=1; n<N_DATA_; n++)
MikamiUitOpen 0:b6d17af0f47a 35 for (int n=1; n<N_DATA_/dt_; n++)
MikamiUitOpen 0:b6d17af0f47a 36 {
MikamiUitOpen 0:b6d17af0f47a 37 // uint16_t x2 = X0_ + n;
MikamiUitOpen 0:b6d17af0f47a 38 uint16_t x2 = X0_ + n*dt_;
MikamiUitOpen 0:b6d17af0f47a 39 uint16_t y2 = Clip(xn[start+n]);
MikamiUitOpen 0:b6d17af0f47a 40 lcd_.DrawLine(x1, y1, x2, y2);
MikamiUitOpen 0:b6d17af0f47a 41
MikamiUitOpen 0:b6d17af0f47a 42 x1 = x2;
MikamiUitOpen 0:b6d17af0f47a 43 y1 = y2;
MikamiUitOpen 0:b6d17af0f47a 44 }
MikamiUitOpen 0:b6d17af0f47a 45 }
MikamiUitOpen 0:b6d17af0f47a 46
MikamiUitOpen 0:b6d17af0f47a 47 void WaveformDisplay::Axis()
MikamiUitOpen 0:b6d17af0f47a 48 {
MikamiUitOpen 0:b6d17af0f47a 49 lcd_.SetTextColor(BACK_COLOR_);
MikamiUitOpen 0:b6d17af0f47a 50 lcd_.FillRect(X0_, Y0_-LIMIT2_, N_DATA_, LIMIT2_*2+1);
MikamiUitOpen 0:b6d17af0f47a 51
MikamiUitOpen 0:b6d17af0f47a 52 lcd_.SetTextColor(AXIS_COLOR_);
MikamiUitOpen 0:b6d17af0f47a 53 lcd_.DrawLine(X0_-5, Y0_, X0_+N_DATA_+5, Y0_);
MikamiUitOpen 0:b6d17af0f47a 54 }
MikamiUitOpen 0:b6d17af0f47a 55 }