63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
import ch.psi.pshell.epics.ControlledVariable as ControlledVariable
|
|
|
|
if get_exec_pars().source == CommandSource.ui:
|
|
start = -10.0
|
|
stop = 10.0
|
|
step = 5.0
|
|
nb = 3
|
|
lat = 0.300
|
|
else:
|
|
start = args[0]
|
|
stop = args[1]
|
|
step = args[2]
|
|
nb = int(args[3])
|
|
lat = args[4]
|
|
|
|
phase = ControlledVariable("Phase", "SINEG01-RSYS:SET-BEAM-PHASE", "SINEG01-RSYS:GET-BEAM-PHASE")
|
|
#phase = ControlledVariable("Phase", "S10CB09-RSYS:SET-BEAM-PHASE", "S10CB09-RSYS:SET-BEAM-PHASE")
|
|
phase.config.minValue =-180.0
|
|
phase.config.maxValue = 360.0
|
|
phase.config.precision = 3
|
|
phase.config.resolution = 1.0
|
|
phase.config.save()
|
|
phase.initialize()
|
|
st = Stream("ICTstream", dispatcher)
|
|
q = st.addScalar("Charge", "SINEG01-DICT215:B1_CHARGE", 1, 0)
|
|
st.initialize()
|
|
st.start()
|
|
#q = Channel("SINEG01-DICT215:B1_CHARGE", type = 'd', alias='ICT-Q')
|
|
phase0 = phase.read()
|
|
|
|
print phase0
|
|
|
|
|
|
try:
|
|
qb = create_averager(q, nb, 0.100)
|
|
r = lscan(phase, (qb), start, stop, step, latency=lat)
|
|
rf_phase = r.getPositions(0)
|
|
charge = [val.mean for val in r.getReadable(0)]
|
|
chargerms = [val.stdev for val in r.getReadable(0)]
|
|
finally:
|
|
phase.write(phase0)
|
|
phase.close()
|
|
st.close()
|
|
#q.close()
|
|
|
|
#Setting the return value
|
|
x = rf_phase
|
|
y = charge
|
|
index_max = y.index(max(y))
|
|
phase_ref = x[index_max] - 80
|
|
|
|
set_return(phase_ref)
|
|
|
|
# save the entry in the logbook
|
|
#if get_option("Generated data file:\n" + get_exec_pars().path +"\n\n" + "Save to ELOG?", "YesNo") == "Yes":
|
|
# log_msg = "Start: %0.1f" % start + "deg\n"
|
|
# log_msg = log_msg + "Stop: %0.1f" % stop + "deg\n"
|
|
# log_msg = log_msg + "Step: %0.1f" % nb + "deg\n"
|
|
# log_msg = log_msg + "Nb samples: %0.0f" % nb + "\n"
|
|
# log_msg = log_msg + "Latency: %0.3f" % lat + "s\n"
|
|
# log_msg = log_msg + "Data file: " + get_exec_pars().path
|
|
# elog("Schottky Scan", log_msg, get_plot_snapshots())
|