New ScreenPanel

script/PseudoDevices.py

@@ -0,0 +1,25 @@
+################################################################################################### 
+# Using pseudo-device to : 
+#    - Add calculations to scan data.
+#    - Execute logic during scan
+################################################################################################### 
+      
+       
+class Clock(Readable):
+    def read(self):
+        return time.clock()
+
+class Average(Readable):
+    def read(self):
+        arr = wf1.take()  #Gets the CACHED waveform
+        return reduce(lambda x, y: x + y, arr) / len(arr) 
+
+class PseudoPositioner(Writable):
+    def write(self,pos):
+        print "Step = " + str(pos)
+
+clock=Clock()
+av=Average()
+positioner=PseudoPositioner()
+setup_plotting(plot_list = [av,clock])
+a= lscan((ao1,positioner),(wf1, ai2,av,clock),(0,0),(40,20),20,0.1)