src/main/java/ch/psi/mxsc/BasePlate.java

@@ -89,7 +89,15 @@ public class BasePlate extends DeviceBase {
         }
         return null;        
     }
-        
+    
+    Puck.Detection[] getDetection(){
+        Puck.Detection[] ret = new Puck.Detection[Controller.NUMBER_OF_PUCKS];
+        for (int i=0; i<ret.length;i++){
+            ret[i] = getPucks()[i].detection;
+        }
+        return ret;
+    }
+    
     Sample getSelectedSample(){
         Puck puck = getSelectedPuck();
         if (puck != null){

src/main/java/ch/psi/mxsc/Controller.java

@@ -271,6 +271,15 @@ public class Controller {
         }
     }
     
+    
+    public Boolean isBarcodeReaderScanPucks() {
+        try {
+            return getMainFrame().eval("is_barcode_reader_scan_pucks()", true).equals(true);
+        } catch (Exception ex) {
+            return false;
+        }
+    }      
+    
     public Boolean isPuckLoading() {
         try {
             return getMainFrame().eval("is_puck_loading()", true).equals(true);

src/main/java/ch/psi/mxsc/MainPanel.java

@@ -4,6 +4,7 @@
 package ch.psi.mxsc;
 
 import ch.psi.mxsc.BasePlatePanel.SelectionMode;
+import ch.psi.mxsc.Puck.Detection;
 import ch.psi.pshell.core.Context;
 import ch.psi.pshell.core.JsonSerializer;
 import ch.psi.pshell.core.Plugin;
@@ -12,7 +13,6 @@ import ch.psi.pshell.device.DeviceAdapter;
 import ch.psi.pshell.imaging.Renderer;
 import ch.psi.pshell.imaging.RendererMode;
 import ch.psi.pshell.imaging.Source;
-import ch.psi.pshell.scripting.ViewPreference;
 import ch.psi.pshell.ui.App;
 import ch.psi.pshell.ui.Panel;
 import ch.psi.utils.State;
@@ -26,13 +26,11 @@ import java.awt.GridBagLayout;
 import java.awt.Image;
 import java.util.Map;
 import java.util.logging.Level;
-import java.util.logging.Logger;
 import javax.swing.GroupLayout;
 import javax.swing.ImageIcon;
 import javax.swing.JComponent;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
-import javax.swing.SwingUtilities;
 import javax.swing.event.ListSelectionEvent;
 import javax.swing.event.ListSelectionListener;
 import javax.swing.table.DefaultTableModel;
@@ -162,12 +160,27 @@ public class MainPanel extends Panel {
                 @Override
                 public void onValueChanged(Device device, Object value, Object former) {
                     if (value!=null){ //Keep last value
-                         textSampleDatamatrix.setText((value==null) ? "" : value.toString());
+                        String valStr = value.toString().trim();
+                         if (puckLoading && Controller.getInstance().isBarcodeReaderScanPucks()){
+                            onPuckBarcode(valStr);                          
+                         } else {
+                            textSampleDatamatrix.setText(valStr);
+                         }
                     }
                 }              
             });              
             textPuckDatamatrix.setText("");
             textSampleDatamatrix.setText("");
+            
+            
+            ((Device) getDevice("puck_detection")).addListener(new DeviceAdapter() {
+                @Override
+                public void onValueChanged(Device device, Object value, Object former) {
+                    if (value!=null){ //Keep last value
+                        onPuckDetectionChanged();
+                    }
+                }              
+            }); 
         } catch (Exception ex) {
             this.getLogger().log(Level.SEVERE, null, ex);
         }
@@ -203,9 +216,9 @@ public class MainPanel extends Panel {
         }
         
         try {
-            puckLoading = Controller.getInstance().isPuckLoading();       
+            setPuckLoading(Controller.getInstance().isPuckLoading());       
         } catch (Exception ex) {
-            puckLoading = null;
+            setPuckLoading(false);
         }        
         if (getState()==State.Ready){
             if (Boolean.TRUE.equals(puckLoading)){
@@ -496,6 +509,53 @@ public class MainPanel extends Panel {
         }
     }
     
+    //////////////////////    Puck Loading    /////////////////////////////////
+    
+    Detection[] currentDetection;
+    void setPuckLoading(Boolean value){
+         if (value==null){
+             value = false;
+         }
+         if (value != puckLoading){
+             puckLoading = value;
+             textPuckDatamatrix.setText("");
+             if (Controller.getInstance().isBarcodeReaderScanPucks()){
+                 if (puckLoading){
+                     execute("barcode_reader.enable()", true);
+                     execute("barcode_reader.polling = 100", true);
+                     currentDetection = Controller.getInstance().basePlate.getDetection();
+                 } else if (getState().isInitialized()){
+                     execute("barcode_reader.polling = 0", true);
+                     execute("barcode_reader.disable()", true);
+                 }
+             }
+         }
+    }
+    
+    void onPuckBarcode(String datamatrix){
+        if (puckLoading){
+            textPuckDatamatrix.setText(datamatrix);
+            System.out.println(datamatrix);
+        }
+    }
+    
+    
+    void onPuckDetectionChanged(){
+        if (puckLoading){
+            String datamatrix = textPuckDatamatrix.getText().trim();
+            Detection[] detection =  Controller.getInstance().basePlate.getDetection();
+            if (!datamatrix.isEmpty()){
+                for (int i=0; i< Controller.NUMBER_OF_PUCKS; i++){
+                    if ((currentDetection[i] != Detection.Present) && (detection[i] == Detection.Present)){
+                        System.out.println("Detected puck " + datamatrix + " at position " + Controller.getInstance().basePlate.getPucks()[i].getName());
+                        textPuckDatamatrix.setText("");
+                    }
+                }
+            }
+            currentDetection = detection;
+        }           
+    }   
+    
     /**
      * This method is called from within the constructor to initialize the form.
      * WARNING: Do NOT modify this code. The content of this method is always

src/main/java/ch/psi/mxsc/PuckDetection.java

@@ -1,5 +1,6 @@
 package ch.psi.mxsc;
 
+import static ch.psi.mxsc.Controller.NUMBER_OF_PUCKS;
 import ch.psi.pshell.core.JsonSerializer;
 import ch.psi.pshell.device.DeviceBase;
 import ch.psi.utils.Chrono;
@@ -8,6 +9,7 @@ import ch.psi.utils.Threading;
 import java.io.IOException;
 import java.util.List;
 import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public class PuckDetection extends DeviceBase {
 
@@ -163,7 +165,7 @@ public class PuckDetection extends DeviceBase {
         return Controller.getInstance().getPuck(name);
     }
     
-
+    
     @Override
     protected void doClose() {
         if (watchDog != null) {