Startup

script/test/TestTimestamp.py

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+import ch.psi.pshell.epics.ChannelDouble as ChannelDouble
+import ch.psi.pshell.bs.Scalar as Scalar
+import ch.psi.pshell.epics.DiscretePositioner as DiscretePositioner
+
+
+#Arguments
+SAMPLES = 5
+BLMS = ["SINDI02-DBLM025"]
+RANGE = [0.5, 1.1]
+STEP_SIZE = 0.10
+SETTLING_TIME = 0.1
+SIMULATION = True
+do_elog = True
+
+
+pos = DummyPositioner("gain") 
+
+
+#Channel-based
+blm1 = ChannelDouble("blm1", "SINDI02-DBLM025:B1_LOSS"); blm1.setMonitored(True); blm1.initialize()
+blm2 = ChannelDouble("blm2", "SINDI02-DBLM085:B1_LOSS", -1, True); blm2.setMonitored(True); blm2.initialize()
+
+#Stream creation
+
+sensors = []
+line_plots = []
+st = Stream("pulse_id", dispatcher)
+for i in range(len(BLMS)):
+    blm = Scalar("blm" + str(i+1), st, BLMS[i] + ":B1_LOSS", 10, 0)
+    av = create_averager(blm, SAMPLES, interval = -1)
+    av.setMonitored(i>0)
+    sensors.append(av)  
+    sensors.append(av.stdev)  
+    sensors.append(av.samples)  
+    line_plots.append(av.samples)  
+st.initialize()
+st.start()
+st.waitCacheChange(10000)    #Wait stream be running before starting scan
+
+#Metadata
+#set_exec_pars(persist = False)
+try:
+    r=lscan(pos, sensors, RANGE[0], RANGE[1],STEP_SIZE, latency = SETTLING_TIME)    #PC timestamp
+    r=bscan(st, 10)               #BS Timestamp
+    mscan(st, sensors, 10, -1)    #BS Timestamp
+    mscan(blm1, blm1, 10, -1)     #PC timestamp
+    mscan(blm2, blm2, 10, -1)     #IOC timestamp (blm2 constructed with timestampChannel Flag)
+finally:
+    st.close()
+