New ScreenPanel

script/test19.py

@@ -0,0 +1,44 @@
+import ch.psi.pshell.device.ReadonlyRegisterBase as ReadonlyRegisterBase
+import ch.psi.pshell.device.ReadonlyRegister.ReadonlyRegisterArray as ReadonlyRegisterArray
+
+class Mean(Readable):
+    def __init__(self, dev):
+        self.dev =dev    
+
+    def read(self):  
+        return mean(self.dev.take())
+
+class Variance(Readable):
+    def __init__(self, dev):
+        self.dev =dev    
+
+    def read(self):  
+        return variance(self.dev.take())
+
+class Measures(ReadonlyRegisterBase, ReadonlyRegisterArray):
+    def __init__(self, dev, count, interval=0):        
+        self.dev = dev
+        self.count = count
+        self.interval = interval        
+        self.initialize()
+        
+    def getSize(self):
+        return self.count
+                
+    def doRead(self):      
+        measures = []
+        for i in range(self.count):
+            measures.append(self.dev.read())
+            if self.interval>0 and i<(self.count-1):
+                time.sleep(self.interval)
+        return measures  
+ 
+
+def average(dev, count, interval=0.0):
+    #av = Measures(dev, count, interval)
+    #return [av, Mean(av), Variance(av)]
+    av = Averager(dev, count, int(interval*1000))
+    av.initialize()    
+    return [av, av.samples, av.variance]
+                   
+res= lscan(inp, average(sin,5,0.1), 0, 40, 20, 0.1)