Adding dual channel to scope example, fixing logic and QT source code.

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

@@ -0,0 +1,33 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QtGui/QMainWindow>
+#include "ADCw.h"
+
+namespace Ui
+{
+    class MainWindow;
+}
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow(QWidget *parent = 0);
+    ~MainWindow();
+
+public slots:
+	void updateGraph();
+
+signals:
+	void refresh();
+
+private:
+    Ui::MainWindow *ui;
+	QTimer *timer1;
+	ADCw *ADC1;
+	bool CHANNEL;
+};
+
+#endif // MAINWINDOW_H