不韋 呂
Version using MEMS microphone and CODEC for the program "F746_RealtimeSpectrumAnalyzer". "F746_RealtimeSpectrumAnalyzer" の入力を MEMS のマイクと CODEC に変更．このプログラムは Tomona Nanase さんが作成し DISCO-F746NG_Oscilloscope の名前で登録しているプログラムで， CODEC を使って入力する部分を参考にして作成．このプログラムの説明は，CQ出版社のインターフェース誌，2016年4月号に掲載．
Dependencies: BSP_DISCO_F746NG BUTTON_GROUP LCD_DISCO_F746NG TS_DISCO_F746NG UIT_FFT_Real mbed
Diff: MyClasses_Functions/WaveformDisplay.hpp
- Revision:
- 0:0e5131366580
- Child:
- 1:ac0a67a0deec
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/MyClasses_Functions/WaveformDisplay.hpp Wed Jan 06 12:46:15 2016 +0000
@@ -0,0 +1,67 @@
+//-----------------------------------------------------------
+// Class for waveform display
+//
+// 2015/12/15, Copyright (c) 2015 MIKAMI, Naoki
+//-----------------------------------------------------------
+
+#ifndef F746_WAVEFORM_DISPLAY_HPP
+#define F746_WAVEFORM_DISPLAY_HPP
+
+#include "mbed.h"
+
+namespace Mikami
+{
+ class WaveformDisplay
+ {
+ public:
+ WaveformDisplay(LCD_DISCO_F746NG &lcd,
+ uint16_t x0, uint16_t y0, int nData,
+ uint16_t rShift,
+ uint32_t axisColor, uint32_t lineColor,
+ uint32_t backColor)
+ : X0_(x0), Y0_(y0), N_DATA_(nData), R_SHIFT_(rShift),
+ AXIS_COLOR_(axisColor), LINE_COLOR_(lineColor),
+ BACK_COLOR_(backColor), lcd_(lcd) { Axis(); }
+
+ void Execute(const int16_t xn[])
+ {
+ Axis();
+ lcd_.SetTextColor(LINE_COLOR_);
+ uint16_t x1 = X0_;
+ uint16_t y1 = Y0_ - (xn[0] >> R_SHIFT_);
+ for (int n=1; n<N_DATA_; n++)
+ {
+ uint16_t x2 = X0_ + n;
+ uint16_t y2 = Y0_ - (xn[n] >> R_SHIFT_);
+ lcd_.DrawLine(x1, y1, x2, y2);
+ x1 = x2;
+ y1 = y2;
+ }
+ }
+
+ private:
+ const uint16_t X0_;
+ const uint16_t Y0_;
+ const int N_DATA_;
+ const uint16_t R_SHIFT_;
+ const uint32_t AXIS_COLOR_;
+ const uint32_t LINE_COLOR_;
+ const uint32_t BACK_COLOR_;
+
+ LCD_DISCO_F746NG& lcd_;
+
+ void Axis()
+ {
+ lcd_.SetTextColor(BACK_COLOR_);
+ lcd_.FillRect(X0_, Y0_-36, N_DATA_, 72);
+
+ lcd_.SetTextColor(AXIS_COLOR_);
+ lcd_.DrawLine(X0_-5, Y0_, X0_+N_DATA_+5, Y0_);
+ }
+
+ // disallow copy constructor and assignment operator
+ WaveformDisplay(const WaveformDisplay& );
+ WaveformDisplay& operator=(const WaveformDisplay& );
+ };
+}
+#endif // F746_WAVEFORM_DISPLAY_HPP