Adding Vm and Vrms measure for Scope example with basic signals

Examples/ADC/Scope-QT-src/mainwindow.h

@@ -4,6 +4,8 @@
 #include <QtGui/QMainWindow>
 #include "ADCw.h"
 
+#define PI 3.14159265
+
 namespace Ui
 {
     class MainWindow;
@@ -17,6 +19,8 @@ public:
     MainWindow(QWidget *parent = 0);
     ~MainWindow();
 
+    bool getSign(int val){if(val<0) return 0; else return 1;}
+
 public slots:
 	void updateGraph();
 
@@ -28,6 +32,12 @@ private:
 	QTimer *timer1;
 	ADCw *ADC1;
 	bool CHANNEL;
+
+    bool sign1_CH1, sign2_CH1; ;
+    bool sign1_CH2, sign2_CH2;
+    int  deltaCountCH1, deltaCountCH2;
+    int  idxCH1, idxCH2;
+    double valCH1[200], valCH2[200];
 };
 
 #endif // MAINWINDOW_H