Startup

script/test/args.py

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+""" 
+Arguments example
+"""
+steps = 3
+a= lscan(inp, (sin,out,arr), 0, 40, steps, 0.2 , relative, context = "Scan1")
+

script/test/local.py

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+#det.data.monitored=True
+import random
+
+
+class SimulatedOutput(Writable):
+    def getName(self):
+        return "SimulatedOutput"
+
+    def write(self, value):
+        pass
+
+
+class SimulatedInput(Readable):
+    def __init__(self):
+        self.x = 0.0
+
+    def getName(self):
+        return "SimulatedInput"
+
+    def read(self):
+        self.x = self.x + 0.2
+        noise = (random.random() - 0.5) / 20.0
+        return math.sin(self.x)  + noise
+
+
+sout = SimulatedOutput()
+sinp = SimulatedInput()
+
+
+#positioner1 = create_channel_device('TESTIOC:TESTCALCOUT:Input', type = 'd')
+#detector1 = create_channel_device('TESTIOC:TESTCALCOUT:Output', type = 'd')
+#detector2 = create_channel_device('TESTIOC:TESTSINUS:SinCalc', type = 'd')

script/test/power-supply2.py

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+#Script imported from: PO2DV-NCS-HW_ps.xml
+from mathutils import estimate_peak_indexes, fit_gaussians, create_fit_point_list
+
+#Pre-actions
+caput('PO2DV-NCS-VHQ1:Set-RampA', '10')
+sleep(0.1)
+
+#TODO: Set the diplay names of positioners and detectors
+#ManualScan(writables, readables, start = None, end = None, steps = None, relative = False)
+scan = ManualScan(['time'], ['SetVA', 'ActualVA', 'ActualIA'] , [0.0], [20.0], [10]) #????????????????????? what does this do? what is writeables? what is readables?
+scan.start()
+
+#Creating channels: dimension 1
+#LinearPositioner SetVA
+SetVA = Channel('PO2DV-NCS-VHQ1:Set-VA', type = 'd')
+#Timestamp time
+#ScalarDetector ActualVA
+ActualVA = Channel('PO2DV-NCS-VHQ1:Actual-VA', type = 'd')
+#ScalarDetector ActualIA
+ActualIA = Channel('PO2DV-NCS-VHQ1:Actual-IA', type = 'd')
+
+#set voltage to 0
+print 'Ramping down power supply to 0V'
+SetVA.put(0.0, timeout=None)
+
+#wait up to 2 minutes for voltage to be ~0
+for setpoint1 in frange(0.0, 120.0, 1.0, True):
+    detector2 = ActualVA.get()
+    if detector2 <= 1.0:
+        break
+    sleep(0.5)
+
+#Dimension 1
+#LinearPositioner SetVA
+print 'Ramping up power supply'
+for setpoint1 in frange(0.0, 20.0, 10.0, True): #?????????????????? What is the relationship between this FOR loop and the ManualScan?
+    if setpoint1 > 50.0 or setpoint1 < 0.0:
+        break
+    SetVA.put(setpoint1, timeout=None) # TODO: Set appropriate timeout
+    readback1 = SetVA.get()
+    if abs(readback1 - setpoint1) > 0.5 : # TODO: Check accuracy
+        raise Exception('Actor SetVA could not be set to the value ' + str(setpoint1))
+    #scan quickly the output during some seconds
+    for setpoint2 in range(0, 20):
+        #Detector time
+        detector1 = float(java.lang.System.currentTimeMillis())
+        #Detector ActualVA
+        detector2 = ActualVA.get()
+        detector3 = ActualIA.get()
+        #scan.append ([setpoint1], [readback1], [detector1, detector2])
+
+        #append(setpoints, positions, values)
+        scan.append ([detector1], [detector1], [readback1, detector2, detector3]) #?????????????????????? what is setpoint? is position = X-axis?
+        sleep( 0.1 ) # Settling time
+
+#reset output to 0V
+SetVA.put(0.0, timeout=None)
+#Closing channels
+SetVA.close()
+ActualVA.close()
+ActualIA.close()
+
+readable =    scan.readables[0]
+positions =   scan.writables
+
+threshold = (min(readable) + max(readable))/2
+min_peak_distance = 5.0
+
+peaks = estimate_peak_indexes(readable, positions, threshold, min_peak_distance)
+print "Peak indexes: " + str(peaks)
+print "Peak x: " + str(map(lambda x:positions[x], peaks))
+print "Peak y: " + str(map(lambda x:readable[x], peaks))
+
+
+scan.end()
+
+
+#??????????????????????????? Device modeling: how can I modelise a Power Supply, for example?