不韋 呂 / Mbed 2 deprecated F746_SpectralAnalysis_Example

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

my_class_and_function/waveform_display.hpp@6:f385940fbdb1, 2018-10-09 (annotated)

Committer:
MikamiUitOpen
Date:
Tue Oct 09 10:34:47 2018 +0000
Revision:
6:f385940fbdb1
Parent:
0:c35b8a23a863 
7

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:c35b8a23a863 1 //-----------------------------------------------------------
MikamiUitOpen 0:c35b8a23a863 2 // Function for waveform display
MikamiUitOpen 0:c35b8a23a863 3 //
MikamiUitOpen 0:c35b8a23a863 4 // 2015/10/26, Copyright (c) 2015 MIKAMI, Naoki
MikamiUitOpen 0:c35b8a23a863 5 //-----------------------------------------------------------
MikamiUitOpen 0:c35b8a23a863 6
MikamiUitOpen 0:c35b8a23a863 7 #ifndef F746_WAVEFORM_DISPLAY_HPP
MikamiUitOpen 0:c35b8a23a863 8 #define F746_WAVEFORM_DISPLAY_HPP
MikamiUitOpen 0:c35b8a23a863 9
MikamiUitOpen 0:c35b8a23a863 10 #include "mbed.h"
MikamiUitOpen 0:c35b8a23a863 11
MikamiUitOpen 0:c35b8a23a863 12 namespace Mikami
MikamiUitOpen 0:c35b8a23a863 13 {
MikamiUitOpen 0:c35b8a23a863 14 void WaveformDisplay(LCD_DISCO_F746NG &lcd, uint16_t x0, uint16_t y0,
MikamiUitOpen 0:c35b8a23a863 15 int16_t xn[], int nData, uint32_t backColor)
MikamiUitOpen 0:c35b8a23a863 16 {
MikamiUitOpen 0:c35b8a23a863 17 lcd.SetTextColor(backColor);
MikamiUitOpen 0:c35b8a23a863 18 lcd.FillRect(x0, y0-32, nData, 64);
MikamiUitOpen 0:c35b8a23a863 19
MikamiUitOpen 0:c35b8a23a863 20 lcd.SetTextColor(LCD_COLOR_BLUE);
MikamiUitOpen 0:c35b8a23a863 21 lcd.DrawLine(x0-5, y0, x0+nData+5, y0);
MikamiUitOpen 0:c35b8a23a863 22
MikamiUitOpen 0:c35b8a23a863 23 lcd.SetTextColor(LCD_COLOR_CYAN);
MikamiUitOpen 0:c35b8a23a863 24 uint16_t x1 = x0;
MikamiUitOpen 0:c35b8a23a863 25 uint16_t y1 = y0 - (xn[0] >> 9);
MikamiUitOpen 0:c35b8a23a863 26 for (int n=1; n<nData; n++)
MikamiUitOpen 0:c35b8a23a863 27 {
MikamiUitOpen 0:c35b8a23a863 28 uint16_t x2 = x0 + n;
MikamiUitOpen 0:c35b8a23a863 29 uint16_t y2 = y0 - (xn[n] >> 9);
MikamiUitOpen 0:c35b8a23a863 30 lcd.DrawLine(x1, y1, x2, y2);
MikamiUitOpen 0:c35b8a23a863 31 x1 = x2;
MikamiUitOpen 0:c35b8a23a863 32 y1 = y2;
MikamiUitOpen 0:c35b8a23a863 33 }
MikamiUitOpen 0:c35b8a23a863 34 }
MikamiUitOpen 0:c35b8a23a863 35 }
MikamiUitOpen 0:c35b8a23a863 36 #endif // F746_WAVEFORM_DISPLAY_HPP