Add class DeviceControllerDiag to supervise DeviceController state

src/ATBAPP/DeviceControllerDiag.h

@@ -0,0 +1,49 @@
+#ifndef DEVICECONTROLLERDIAG_H
+#define DEVICECONTROLLERDIAG_H
+
+#include <QObject>
+#include <QTimer>
+
+#include "ATBMachineEvent.h"
+#include "interfaces.h"
+
+class DeviceControllerDiag : public QObject
+{
+    Q_OBJECT
+
+public:
+    DeviceControllerDiag(QObject *parent = nullptr);
+
+    void init(hwinf* hw, QObject* eventReceiver);
+
+public slots:
+    void diagRequest();
+
+signals:
+    void diagResponse(ATBMachineEvent* machineEvent);
+
+
+private:
+    QObject *eventReceiver;
+    hwinf* hw;
+
+    bool isRequestRunning;
+    bool flagInterruptDiag;
+
+    QTimer *diagRequestTimeoutTimer;
+
+    uint8_t sub_componentAssessment();
+    uint8_t sys_getSystemErrors();
+
+private slots:
+    void onDiagRequestTimeoutTimerTimeout();
+
+    void private_startDiag();                   // diag entry method
+    void private_finishedDiag(uint8_t result);  // diag exit method
+
+    void sys_superviseSystem();
+
+
+};
+
+#endif // DEVICECONTROLLERDIAG_H