Demo program of SAI_IO class for audio signal input and output. DISCO-F746 搭載の CODEC (WM8994) を使ってオーディオ信号の入出力を行うための SAI_IO クラスの使用例.
Dependencies: BSP_DISCO_F746NG F746_GUI F746_SAI_IO LCD_DISCO_F746NG TS_DISCO_F746NG mbed
WaveformDisplay.hpp@4:0beea5d9a205, 2016-07-23 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Sat Jul 23 06:14:23 2016 +0000
- Revision:
- 4:0beea5d9a205
- Parent:
- MyClasses_Functions/WaveformDisplay.hpp@0:089c5e022aa8
- Child:
- 8:6cb2c40946c4
5
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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MikamiUitOpen | 0:089c5e022aa8 | 1 | //----------------------------------------------------------- |
MikamiUitOpen | 0:089c5e022aa8 | 2 | // Class for waveform display |
MikamiUitOpen | 0:089c5e022aa8 | 3 | // |
MikamiUitOpen | 0:089c5e022aa8 | 4 | // 2016/05/03, Copyright (c) 2016 MIKAMI, Naoki |
MikamiUitOpen | 0:089c5e022aa8 | 5 | //----------------------------------------------------------- |
MikamiUitOpen | 0:089c5e022aa8 | 6 | |
MikamiUitOpen | 0:089c5e022aa8 | 7 | #ifndef F746_WAVEFORM_DISPLAY_HPP |
MikamiUitOpen | 0:089c5e022aa8 | 8 | #define F746_WAVEFORM_DISPLAY_HPP |
MikamiUitOpen | 0:089c5e022aa8 | 9 | |
MikamiUitOpen | 0:089c5e022aa8 | 10 | #include "mbed.h" |
MikamiUitOpen | 0:089c5e022aa8 | 11 | |
MikamiUitOpen | 0:089c5e022aa8 | 12 | namespace Mikami |
MikamiUitOpen | 0:089c5e022aa8 | 13 | { |
MikamiUitOpen | 0:089c5e022aa8 | 14 | class WaveformDisplay |
MikamiUitOpen | 0:089c5e022aa8 | 15 | { |
MikamiUitOpen | 0:089c5e022aa8 | 16 | public: |
MikamiUitOpen | 0:089c5e022aa8 | 17 | WaveformDisplay(LCD_DISCO_F746NG *lcd, |
MikamiUitOpen | 0:089c5e022aa8 | 18 | uint16_t x0, uint16_t y0, int nData, |
MikamiUitOpen | 0:089c5e022aa8 | 19 | uint16_t rShift, |
MikamiUitOpen | 0:089c5e022aa8 | 20 | uint32_t axisColor, uint32_t lineColor, |
MikamiUitOpen | 0:089c5e022aa8 | 21 | uint32_t backColor) |
MikamiUitOpen | 0:089c5e022aa8 | 22 | : X0_(x0), Y0_(y0), N_DATA_(nData), R_SHIFT_(rShift), |
MikamiUitOpen | 0:089c5e022aa8 | 23 | AXIS_COLOR_(axisColor), LINE_COLOR_(lineColor), |
MikamiUitOpen | 0:089c5e022aa8 | 24 | BACK_COLOR_(backColor), lcd_(lcd) { Axis(); } |
MikamiUitOpen | 0:089c5e022aa8 | 25 | |
MikamiUitOpen | 0:089c5e022aa8 | 26 | void Execute(const int16_t xn[]) |
MikamiUitOpen | 0:089c5e022aa8 | 27 | { |
MikamiUitOpen | 0:089c5e022aa8 | 28 | static const uint16_t LIMIT1 = Y0_ + LIMIT2_; |
MikamiUitOpen | 0:089c5e022aa8 | 29 | static const uint16_t LIMIT2 = Y0_ - LIMIT2_; |
MikamiUitOpen | 0:089c5e022aa8 | 30 | Axis(); |
MikamiUitOpen | 0:089c5e022aa8 | 31 | lcd_->SetTextColor(LINE_COLOR_); |
MikamiUitOpen | 0:089c5e022aa8 | 32 | uint16_t x1 = X0_; |
MikamiUitOpen | 0:089c5e022aa8 | 33 | uint16_t y1 = Clip(xn[0]); |
MikamiUitOpen | 0:089c5e022aa8 | 34 | for (int n=1; n<N_DATA_; n++) |
MikamiUitOpen | 0:089c5e022aa8 | 35 | { |
MikamiUitOpen | 0:089c5e022aa8 | 36 | uint16_t x2 = X0_ + n; |
MikamiUitOpen | 0:089c5e022aa8 | 37 | uint16_t y2 = Clip(xn[n]); |
MikamiUitOpen | 0:089c5e022aa8 | 38 | if ( ((y2 == LIMIT1) && (y1 == LIMIT1)) || |
MikamiUitOpen | 0:089c5e022aa8 | 39 | ((y2 == LIMIT2) && (y1 == LIMIT2)) ) |
MikamiUitOpen | 0:089c5e022aa8 | 40 | { // Out of displaying boundaries |
MikamiUitOpen | 0:089c5e022aa8 | 41 | lcd_->SetTextColor(LCD_COLOR_RED); |
MikamiUitOpen | 0:089c5e022aa8 | 42 | lcd_->DrawHLine(x1, y1, 1); |
MikamiUitOpen | 0:089c5e022aa8 | 43 | lcd_->SetTextColor(LINE_COLOR_); |
MikamiUitOpen | 0:089c5e022aa8 | 44 | } |
MikamiUitOpen | 0:089c5e022aa8 | 45 | else |
MikamiUitOpen | 0:089c5e022aa8 | 46 | lcd_->DrawLine(x1, y1, x2, y2); |
MikamiUitOpen | 0:089c5e022aa8 | 47 | if ((y1 == LIMIT1) || (y1 == LIMIT2)) |
MikamiUitOpen | 0:089c5e022aa8 | 48 | lcd_->DrawPixel(x1, y1, LCD_COLOR_RED); |
MikamiUitOpen | 0:089c5e022aa8 | 49 | x1 = x2; |
MikamiUitOpen | 0:089c5e022aa8 | 50 | y1 = y2; |
MikamiUitOpen | 0:089c5e022aa8 | 51 | } |
MikamiUitOpen | 0:089c5e022aa8 | 52 | lcd_->SetTextColor(BACK_COLOR_); |
MikamiUitOpen | 0:089c5e022aa8 | 53 | } |
MikamiUitOpen | 0:089c5e022aa8 | 54 | |
MikamiUitOpen | 0:089c5e022aa8 | 55 | private: |
MikamiUitOpen | 0:089c5e022aa8 | 56 | const uint16_t X0_; |
MikamiUitOpen | 0:089c5e022aa8 | 57 | const uint16_t Y0_; |
MikamiUitOpen | 0:089c5e022aa8 | 58 | const int N_DATA_; |
MikamiUitOpen | 0:089c5e022aa8 | 59 | const uint16_t R_SHIFT_; |
MikamiUitOpen | 0:089c5e022aa8 | 60 | const uint32_t AXIS_COLOR_; |
MikamiUitOpen | 0:089c5e022aa8 | 61 | const uint32_t LINE_COLOR_; |
MikamiUitOpen | 0:089c5e022aa8 | 62 | const uint32_t BACK_COLOR_; |
MikamiUitOpen | 0:089c5e022aa8 | 63 | static const int LIMIT_ = 32; |
MikamiUitOpen | 0:089c5e022aa8 | 64 | static const int LIMIT2_ = LIMIT_ + 1; |
MikamiUitOpen | 0:089c5e022aa8 | 65 | |
MikamiUitOpen | 0:089c5e022aa8 | 66 | LCD_DISCO_F746NG *lcd_; |
MikamiUitOpen | 0:089c5e022aa8 | 67 | |
MikamiUitOpen | 0:089c5e022aa8 | 68 | // Clipping |
MikamiUitOpen | 0:089c5e022aa8 | 69 | uint16_t Clip(int16_t xn) |
MikamiUitOpen | 0:089c5e022aa8 | 70 | { |
MikamiUitOpen | 0:089c5e022aa8 | 71 | int16_t x = xn >> R_SHIFT_; |
MikamiUitOpen | 0:089c5e022aa8 | 72 | if (x > LIMIT_ ) x = LIMIT2_; |
MikamiUitOpen | 0:089c5e022aa8 | 73 | if (x < -LIMIT_ ) x = -LIMIT2_ ; |
MikamiUitOpen | 0:089c5e022aa8 | 74 | return Y0_ - x; |
MikamiUitOpen | 0:089c5e022aa8 | 75 | } |
MikamiUitOpen | 0:089c5e022aa8 | 76 | |
MikamiUitOpen | 0:089c5e022aa8 | 77 | void Axis() |
MikamiUitOpen | 0:089c5e022aa8 | 78 | { |
MikamiUitOpen | 0:089c5e022aa8 | 79 | lcd_->SetTextColor(BACK_COLOR_); |
MikamiUitOpen | 0:089c5e022aa8 | 80 | lcd_->FillRect(X0_, Y0_-LIMIT2_, N_DATA_, LIMIT2_*2+1); |
MikamiUitOpen | 0:089c5e022aa8 | 81 | |
MikamiUitOpen | 0:089c5e022aa8 | 82 | lcd_->SetTextColor(AXIS_COLOR_); |
MikamiUitOpen | 0:089c5e022aa8 | 83 | lcd_->DrawLine(X0_-5, Y0_, X0_+N_DATA_+5, Y0_); |
MikamiUitOpen | 0:089c5e022aa8 | 84 | } |
MikamiUitOpen | 0:089c5e022aa8 | 85 | |
MikamiUitOpen | 0:089c5e022aa8 | 86 | // disallow copy constructor and assignment operator |
MikamiUitOpen | 0:089c5e022aa8 | 87 | WaveformDisplay(const WaveformDisplay& ); |
MikamiUitOpen | 0:089c5e022aa8 | 88 | WaveformDisplay& operator=(const WaveformDisplay& ); |
MikamiUitOpen | 0:089c5e022aa8 | 89 | }; |
MikamiUitOpen | 0:089c5e022aa8 | 90 | } |
MikamiUitOpen | 0:089c5e022aa8 | 91 | #endif // F746_WAVEFORM_DISPLAY_HPP |