不韋 呂
Spectrum analyzer using DISCO-F746NG. Spectrum is calculated by FFT or linear prediction. The vowel data is in "vowel_data.hpp"
Dependencies: BSP_DISCO_F746NG LCD_DISCO_F746NG TS_DISCO_F746NG UIT_FFT_Real mbed BUTTON_GROUP
Diff: my_class_and_function/waveform_display.hpp
- Revision:
- 0:c35b8a23a863
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/my_class_and_function/waveform_display.hpp Mon Oct 26 08:06:57 2015 +0000
@@ -0,0 +1,36 @@
+//-----------------------------------------------------------
+// Function for waveform display
+//
+// 2015/10/26, Copyright (c) 2015 MIKAMI, Naoki
+//-----------------------------------------------------------
+
+#ifndef F746_WAVEFORM_DISPLAY_HPP
+#define F746_WAVEFORM_DISPLAY_HPP
+
+#include "mbed.h"
+
+namespace Mikami
+{
+ void WaveformDisplay(LCD_DISCO_F746NG &lcd, uint16_t x0, uint16_t y0,
+ int16_t xn[], int nData, uint32_t backColor)
+ {
+ lcd.SetTextColor(backColor);
+ lcd.FillRect(x0, y0-32, nData, 64);
+
+ lcd.SetTextColor(LCD_COLOR_BLUE);
+ lcd.DrawLine(x0-5, y0, x0+nData+5, y0);
+
+ lcd.SetTextColor(LCD_COLOR_CYAN);
+ uint16_t x1 = x0;
+ uint16_t y1 = y0 - (xn[0] >> 9);
+ for (int n=1; n<nData; n++)
+ {
+ uint16_t x2 = x0 + n;
+ uint16_t y2 = y0 - (xn[n] >> 9);
+ lcd.DrawLine(x1, y1, x2, y2);
+ x1 = x2;
+ y1 = y2;
+ }
+ }
+}
+#endif // F746_WAVEFORM_DISPLAY_HPP
\ No newline at end of file