diff --git a/src/atcore.h b/src/atcore.h
--- a/src/atcore.h
+++ b/src/atcore.h
@@ -56,9 +56,8 @@
     Q_PROPERTY(QStringList availableFirmwarePlugins READ availableFirmwarePlugins)
     Q_PROPERTY(quint16 serialTimerInterval READ serialTimerInterval WRITE setSerialTimerInterval)
     Q_PROPERTY(QStringList serialPorts READ serialPorts NOTIFY portsChanged)
-    Q_PROPERTY(QStringList portSpeeds READ portSpeeds)
-    Q_PROPERTY(QString connectedPort READ connectedPort)
     Q_PROPERTY(AtCore::STATES state READ state WRITE setState NOTIFY stateChanged)
+    Q_PROPERTY(float percentagePrinted READ percentagePrinted NOTIFY printProgressChanged)
 public:
     /**
      * @brief STATES enum Possible states the printer can be in
@@ -116,7 +115,7 @@
      * @brief connectedPort
      * @return the port atcore is connected to or empty string if none
      */
-    QString connectedPort() const;
+    Q_INVOKABLE QString connectedPort() const;
 
     /**
      * @brief Initialize a connection to \p port at a speed of \p baud <br />
@@ -130,7 +129,7 @@
     /**
      * @brief Returns a list of valid baud speeds
      */
-    QStringList portSpeeds() const;
+    Q_INVOKABLE QStringList portSpeeds() const;
 
     /**
      * @brief Main access to the serialLayer
@@ -182,7 +181,7 @@
      * @brief extruderCount
      * @return The number of detected Extruders Default is 1
      */
-    int extruderCount() const;
+    Q_INVOKABLE int extruderCount() const;
 
     /**
      * @brief Return printed percentage
@@ -247,19 +246,19 @@
      * @brief Public Interface for printing a file
      * @param fileName: the gcode file to print.
      */
-    void print(const QString &fileName);
+    Q_INVOKABLE void print(const QString &fileName);
 
     /**
      * @brief Stop the Printer by empting the queue and aborting the print job (if running)
      * @sa emergencyStop(),pause(),resume()
      */
-    void stop();
+    Q_INVOKABLE void stop();
 
     /**
      * @brief stop the printer via the emergency stop Command (M112)
      * @sa stop(),pause(),resume()
      */
-    void emergencyStop();
+    Q_INVOKABLE void emergencyStop();
 
     /**
      * @brief pause an in process print job
@@ -269,14 +268,14 @@
      * @param pauseActions: Gcode to run after pausing commands are ',' separated
      * @sa resume(),stop(),emergencyStop()
      */
-    void pause(const QString &pauseActions);
+    Q_INVOKABLE void pause(const QString &pauseActions);
 
     /**
      * @brief resume a paused print job.
      * After returning to location pause was triggered.
      * @sa pause(),stop(),emergencyStop()
      */
-    void resume();
+    Q_INVOKABLE void resume();
 
     /**
      * @brief Send home \p axis command
@@ -289,81 +288,81 @@
      * @brief Send home all command
      * @sa home(uchar axis), move()
      */
-    void home();
+    Q_INVOKABLE void home();
 
     /**
      * @brief Set extruder temperature
      * @param temp : new temperature
      * @param extruder : extruder number
      * @param andWait: True for heat and ignore commands until temperature is reached
      */
-    void setExtruderTemp(uint temp = 0, uint extruder = 0, bool andWait = false);
+    Q_INVOKABLE void setExtruderTemp(uint temp = 0, uint extruder = 0, bool andWait = false);
 
     /**
      * @brief move an axis of the printer
      * @param axis the axis to move AXES (X Y Z E )
      * @param arg the distance to move the axis or the place to move to depending on printer mode
      * @sa home(), home(uchar axis)
      */
-    void move(AtCore::AXES axis, uint arg);
+    Q_INVOKABLE void move(AtCore::AXES axis, uint arg);
 
     /**
      * @brief Set the bed temperature
      * @param temp : new temperature
      * @param andWait: True for heat and ignore commands until temperature is reached
      * @sa setExtruderTemp()
      */
-    void setBedTemp(uint temp = 0, bool andWait = false);
+    Q_INVOKABLE void setBedTemp(uint temp = 0, bool andWait = false);
 
     /**
      * @brief setFanSpeed set the fan speed
      * @param fanNumber: fan number
      * @param speed: new speed of the fan 0-100
      */
-    void setFanSpeed(uint speed = 0, uint fanNumber = 0);
+    Q_INVOKABLE void setFanSpeed(uint speed = 0, uint fanNumber = 0);
 
     /**
      * @brief Set printer to absolute position mode
      * @sa setRelativePosition()
      */
-    void setAbsolutePosition();
+    Q_INVOKABLE void setAbsolutePosition();
 
     /**
      * @brief Set printer to relative position mode
      * @sa setAbsolutePosition()
      */
-    void setRelativePosition();
+    Q_INVOKABLE void setRelativePosition();
 
     /**
      * @brief Disables idle hold of motors after a delay
      * @param delay: Seconds until idle hold is released. 0= No delay
      */
-    void setIdleHold(uint delay = 0);
+    Q_INVOKABLE void setIdleHold(uint delay = 0);
 
     /**
      * @brief set the Printers speed
      * @param speed: speed in % (default is 100);
      */
-    void setPrinterSpeed(uint speed = 100);
+    Q_INVOKABLE void setPrinterSpeed(uint speed = 100);
 
     /**
      * @brief set extruder Flow rate
      * @param rate: flow rate in % (default is 100)
      */
-    void setFlowRate(uint rate = 100);
+    Q_INVOKABLE void setFlowRate(uint rate = 100);
 
     /**
      * @brief close any open items.
      * You should call this on close events to force any stuck jobs to close
      * @sa closeConnection()
      */
-    void close();
+    Q_INVOKABLE void close();
 
     /**
      * @brief showMessage push a message to the printers LCD
      * @param message: message to show on the LCD
      */
-    void showMessage(const QString &message);
+    Q_INVOKABLE void showMessage(const QString &message);
 
     /**
      * @brief setUnits sets the measurement units do be used