diff --git a/script/camtool.py b/script/camtool.py
index c4857a3..17845d2 100644
--- a/script/camtool.py
+++ b/script/camtool.py
@@ -1,3 +1,6 @@
+import ch.psi.pshell.device.DeviceBase as DeviceBase
+from startup import *
+
 class CamTool(DeviceBase):
     def __init__(self, name, prefix = "cam:", latch = False):
         DeviceBase.__init__(self, name)
@@ -43,10 +46,10 @@ class CamTool(DeviceBase):
         while(timestamp == self.timestamp.read()):
             time.sleep(0.001)
 
-    def enable_bg(self, value):
+    def enableBackground(self, value):
         self.cam_bg_en.write(1 if value else 0)
         
-    def capture_bg(self, images):        
+    def captureBackground(self, images):        
         self.start()
         self.cam_bg_capture.write(images)
         sleep(0.1)
@@ -57,16 +60,33 @@ class CamTool(DeviceBase):
         #while( self.cam_bg_capture_remain.read() > 0):
         #    self.capture()
         self.doInitialize()
+    
+    def doClose(self):        
+        self.cam_run.close()
+        self.cam_latch.close()
+        self.timestamp.close()        
+        self.cam_x.close()
+        self.cam_y.close()
+        self.profile_x.close()
+        self.profile_y.close()
+        self.cam_image.close()
+        self.cam_image_shape.close()
+        self.cam_bg_image.close()        
+        self.cam_bg_en.close()
+        self.cam_bg_capture.close()
+        self.cam_bg_capture_remain.close()
+        
+        
+    
 
-#if __name__ == "__builtin__":
-camera_tool = CamTool("camtool")
-camera_tool.capture()
-print camera_tool.cam_x.read(), camera_tool.cam_y.read() 
+if __name__ == "__builtin__":
+    camera_tool = CamTool("camtool")
 
-camera_tool.enable_bg(True)
-camera_tool.enable_bg(False)
+    camera_tool.enableBackground(False)
+    camera_tool.enableBackground(True)
+    camera_tool.captureBackground(5)
 
-camera_tool.capture_bg(5)
-
-
-add_device(camera_tool, True)
\ No newline at end of file
+    camera_tool.capture()
+    print camera_tool.cam_x.read(), camera_tool.cam_y.read() 
+    
+    add_device(camera_tool, True)
\ No newline at end of file