Startup

script/tutorial/09_PseudoDevices.py

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