37 lines
1.3 KiB
Python
37 lines
1.3 KiB
Python
import ch.psi.pshell.epics.ControlledVariable as ControlledVariable
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start = caget("SINEG01-RSYS:SET-SCAN-START")
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stop = caget("SINEG01-RSYS:SET-SCAN-STOP")
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step = caget("SINEG01-RSYS:SET-SCAN-STEP")
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nb = caget("SINEG01-RSYS:SET-NUM-AVERAGE")
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lat = caget("SINEG01-RSYS:SET-SCAN-WAIT-TIME")
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phase = ControlledVariable("Phase", "SINEG01-RSYS:SET-VSUM-PHASE-SIM", "SINEG01-RSYS:GET-VSUM-PHASE-SIM")
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phase.config.minValue =-45.0
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phase.config.maxValue = 360.0
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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-SIM", 1, 0)
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#st.initialize()
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q = Channel("SINEG01-DICT215:B1_CHARGE-SIM", 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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charge = [val.mean for val in r.getReadable(0)]
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caput("SINEG01-RSYS:GET-PHASE-ARRAY", to_array(rf_phase,'d'))
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caput("SINEG01-RSYS:GET-CHARGE-ARRAY", to_array(charge, 'd'))
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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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# Here the user needs to pick a phase as reference phase (onset of charge emission)
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phase_ref = 80.0
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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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