不韋 呂 / Mbed 2 deprecated F746_MEMS_Oscilloscope

Simplified oscilloscope using DISCO-F746. Input: MEMS microphone. DISCO-F746 による簡易オシロスコープ．入力：MEMS マイク．

Dependencies:   F746_GUI F746_SAI_IO mbed

Diff: WaveformDisplay.cpp

Revision:
3:dc29fbcf1b48
Parent:
2:1fa4647505bf
--- a/WaveformDisplay.cpp	Thu Mar 16 00:09:03 2017 +0000
+++ b/WaveformDisplay.cpp	Thu Mar 16 12:04:48 2017 +0000
@@ -1,7 +1,7 @@
 //-----------------------------------------------------------
 //  波形表示のためのクラス
 //
-//  2017/03/15, Copyright (c) 2017 MIKAMI, Naoki
+//  2017/03/16, Copyright (c) 2017 MIKAMI, Naoki
 //-----------------------------------------------------------
 
 #include "WaveformDisplay.hpp"
@@ -37,5 +37,5 @@
     int16_t x = xn >> R_SHIFT_; // スケーリング
     if (x >  LIMIT_ ) x =  LIMIT_;
     if (x < -LIMIT_ ) x = -LIMIT_ ;
-    return Y0_ + x;
+    return Y0_ - x;
 }