不韋 呂 / Mbed 2 deprecated CQ_DigitalFilterLab_ADC

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」で使うプログラムを，入力として STM32F746 の内蔵 ADC を使うように変更したもの． http://seminar.cqpub.co.jp/ccm/ES18-0020

Dependencies:   mbed Array_Matrix BSP_DISCO_F746NG LCD_DISCO_F746NG TS_DISCO_F746NG

MyFiles/WaveformDisplay.cpp@2:dd48e1e59daa, 2018-03-12 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Mar 12 05:10:31 2018 +0000
Revision:
2:dd48e1e59daa
Parent:
0:ab7a35d87173 
3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:ab7a35d87173 1 //-----------------------------------------------------------
MikamiUitOpen 0:ab7a35d87173 2 // Class for waveform display
MikamiUitOpen 0:ab7a35d87173 3 //
MikamiUitOpen 0:ab7a35d87173 4 // 2017/07/24, Copyright (c) 2017 MIKAMI, Naoki
MikamiUitOpen 0:ab7a35d87173 5 //-----------------------------------------------------------
MikamiUitOpen 0:ab7a35d87173 6
MikamiUitOpen 0:ab7a35d87173 7 #include "WaveformDisplay.hpp"
MikamiUitOpen 0:ab7a35d87173 8
MikamiUitOpen 0:ab7a35d87173 9 namespace Mikami
MikamiUitOpen 0:ab7a35d87173 10 {
MikamiUitOpen 0:ab7a35d87173 11 void WaveformDisplay::Execute(int start, int factor)
MikamiUitOpen 0:ab7a35d87173 12 {
MikamiUitOpen 0:ab7a35d87173 13 Axis();
MikamiUitOpen 0:ab7a35d87173 14 dt_ = factor;
MikamiUitOpen 0:ab7a35d87173 15 Draw(xn_, start, LINE_COLOR1_);
MikamiUitOpen 0:ab7a35d87173 16 Draw(yn_, start, LINE_COLOR2_);
MikamiUitOpen 0:ab7a35d87173 17 lcd_.SetTextColor(BACK_COLOR_);
MikamiUitOpen 0:ab7a35d87173 18 }
MikamiUitOpen 0:ab7a35d87173 19
MikamiUitOpen 0:ab7a35d87173 20 // Clipping
MikamiUitOpen 0:ab7a35d87173 21 uint16_t WaveformDisplay::Clip(int16_t xn)
MikamiUitOpen 0:ab7a35d87173 22 {
MikamiUitOpen 0:ab7a35d87173 23 int16_t x = xn >> R_SHIFT_;
MikamiUitOpen 0:ab7a35d87173 24 if (x > LIMIT_ ) x = LIMIT2_;
MikamiUitOpen 0:ab7a35d87173 25 if (x < -LIMIT_ ) x = -LIMIT2_ ;
MikamiUitOpen 0:ab7a35d87173 26 return Y0_ - x;
MikamiUitOpen 0:ab7a35d87173 27 }
MikamiUitOpen 0:ab7a35d87173 28
MikamiUitOpen 0:ab7a35d87173 29 void WaveformDisplay::Draw(const Array<int16_t>& xn, int start, uint32_t color)
MikamiUitOpen 0:ab7a35d87173 30 {
MikamiUitOpen 0:ab7a35d87173 31 lcd_.SetTextColor(color);
MikamiUitOpen 0:ab7a35d87173 32 uint16_t x1 = X0_;
MikamiUitOpen 0:ab7a35d87173 33 uint16_t y1 = Clip(xn[start]);
MikamiUitOpen 0:ab7a35d87173 34 // for (int n=1; n<N_DATA_; n++)
MikamiUitOpen 0:ab7a35d87173 35 for (int n=1; n<N_DATA_/dt_; n++)
MikamiUitOpen 0:ab7a35d87173 36 {
MikamiUitOpen 0:ab7a35d87173 37 // uint16_t x2 = X0_ + n;
MikamiUitOpen 0:ab7a35d87173 38 uint16_t x2 = X0_ + n*dt_;
MikamiUitOpen 0:ab7a35d87173 39 uint16_t y2 = Clip(xn[start+n]);
MikamiUitOpen 0:ab7a35d87173 40 lcd_.DrawLine(x1, y1, x2, y2);
MikamiUitOpen 0:ab7a35d87173 41
MikamiUitOpen 0:ab7a35d87173 42 x1 = x2;
MikamiUitOpen 0:ab7a35d87173 43 y1 = y2;
MikamiUitOpen 0:ab7a35d87173 44 }
MikamiUitOpen 0:ab7a35d87173 45 }
MikamiUitOpen 0:ab7a35d87173 46
MikamiUitOpen 0:ab7a35d87173 47 void WaveformDisplay::Axis()
MikamiUitOpen 0:ab7a35d87173 48 {
MikamiUitOpen 0:ab7a35d87173 49 lcd_.SetTextColor(BACK_COLOR_);
MikamiUitOpen 0:ab7a35d87173 50 lcd_.FillRect(X0_, Y0_-LIMIT2_, N_DATA_, LIMIT2_*2+1);
MikamiUitOpen 0:ab7a35d87173 51
MikamiUitOpen 0:ab7a35d87173 52 lcd_.SetTextColor(AXIS_COLOR_);
MikamiUitOpen 0:ab7a35d87173 53 lcd_.DrawLine(X0_-5, Y0_, X0_+N_DATA_+5, Y0_);
MikamiUitOpen 0:ab7a35d87173 54 }
MikamiUitOpen 0:ab7a35d87173 55 }