48 lines
1.2 KiB
Python
48 lines
1.2 KiB
Python
import ch.psi.pshell.epics.ControlledVariable as ControlledVariable
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if get_exec_pars().source == CommandSource.ui:
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start = -45.0
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stop = 180.0
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step = 5.0
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nb = 1
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lat = 0.100
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else:
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start = args[0]
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stop = args[1]
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step = args[2]
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nb = int(args[3])
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lat = args[4]
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phase = ControlledVariable("Phase", "SINEG01-RSYS:SET-VSUM-PHASE", "SINEG01-RSYS:SET-VSUM-PHASE")
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phase.config.minValue =-180.0
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phase.config.maxValue = 180.0
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phase.config.resolution = 0.5
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phase.initialize()
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#st = Stream("ICTstream", dispatcher)
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#q = st.addScalar("Charge", "SINEG01-DICT215:B1_CHARGE", 1, 0)
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#st.initialize()
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#st.start(True)
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q = Channel("SINEG01-DICT215:B1_CHARGE", type = 'd', alias='ICT-Q')
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try:
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qb = create_averager(q, nb, 0.100)
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r = lscan(phase, (qb), start, stop, step, latency=lat)
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rf_phase = r.getPositions(0)
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charge = [val.mean for val in r.getReadable(0)]
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chargerms = [val.stdev for val in r.getReadable(0)]
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finally:
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phase.close()
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q.close()
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#st.close()
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#Setting the return value
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y = charge
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x = rf_phase
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index_max = y.index(max(y))
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phase_ref = x[index_max] - 80
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phase_offset = - phase_ref
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caput("SINEG01-RSYS:CALC-VSUM-PHASE-OFFSET", phase_offset)
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set_return(phase_ref) |