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

Diff: main.cpp

Revision:
1:2ef356b500f2
Parent:
0:c35b8a23a863
Child:
2:4e34945b5c00
--- a/main.cpp	Mon Oct 26 08:06:57 2015 +0000
+++ b/main.cpp	Mon Oct 26 13:25:03 2015 +0000
@@ -56,6 +56,7 @@
       
     SpectrumDisplay disp(lcd_, N_FFT_, X0_, Y0_, DB1_, BIN_, MAX_DB_, FS_);
     bool dataOk = false;
+    int vowel = -1;
     while (true)
     {
         for (int k=0; k<N_VOWEL_; k++)
@@ -64,6 +65,11 @@
             {
                 for (int n=0; n<N_DATA_; n++) sn[n] = sn_[k][n];
                 WaveformDisplay(lcd_, 50, 40, sn, N_DATA_, backColor);
+                
+                buttons[k]->DrawButton(0xFF0000B0);
+                if ((vowel != -1) && (k != vowel))
+                    buttons[vowel]->DrawButton(LCD_COLOR_BLUE);
+                vowel = k;
 
                 for (int n=0; n<N_DATA_; n++) sn_f[n] = sn[n];
                 fft_.Execute(sn_f, db1);
@@ -86,4 +92,3 @@
     }
 }
 
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