replace Arecord with Qtmultimedia (requiers pulse?)

microcontroller.h

@@ -11,6 +11,7 @@
 #include <QScopedPointer>
 #include <QEventLoop>
 #include <QTimer>
+#include <QAbstractButton>
 #include <vector>
 
 class Microcontroller: public QObject
@@ -25,7 +26,7 @@ private:
     QString _buffer;
 
     void processMicroReturn();
-    void getState();
+    void requestState();
 
 public:
     Microcontroller(QIODevice* port);
@@ -33,6 +34,7 @@ public:
     ~Microcontroller();
     bool connected();
     void setIODevice(QIODevice* port);
+    std::vector<bool> getLastState();
 
 public slots:
     void rgbOn();