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
- Committer:
- MikamiUitOpen
- Date:
- 2018-03-12
- Revision:
- 3:05c8d0ee9c37
- Parent:
- 0:b6d17af0f47a
File content as of revision 3:05c8d0ee9c37:
//----------------------------------------------------------- // Class for waveform display // // 2017/07/24, Copyright (c) 2017 MIKAMI, Naoki //----------------------------------------------------------- #include "WaveformDisplay.hpp" namespace Mikami { void WaveformDisplay::Execute(int start, int factor) { Axis(); dt_ = factor; Draw(xn_, start, LINE_COLOR1_); Draw(yn_, start, LINE_COLOR2_); lcd_.SetTextColor(BACK_COLOR_); } // Clipping uint16_t WaveformDisplay::Clip(int16_t xn) { int16_t x = xn >> R_SHIFT_; if (x > LIMIT_ ) x = LIMIT2_; if (x < -LIMIT_ ) x = -LIMIT2_ ; return Y0_ - x; } void WaveformDisplay::Draw(const Array<int16_t>& xn, int start, uint32_t color) { lcd_.SetTextColor(color); uint16_t x1 = X0_; uint16_t y1 = Clip(xn[start]); for (int n=1; n<N_DATA_/dt_; n++) { uint16_t x2 = X0_ + n*dt_; uint16_t y2 = Clip(xn[start+n]); lcd_.DrawLine(x1, y1, x2, y2); x1 = x2; y1 = y2; } } void WaveformDisplay::Axis() { lcd_.SetTextColor(BACK_COLOR_); lcd_.FillRect(X0_, Y0_-LIMIT2_, N_DATA_, LIMIT2_*2+1); lcd_.SetTextColor(AXIS_COLOR_); lcd_.DrawLine(X0_-5, Y0_, X0_+N_DATA_+5, Y0_); } }