Files
sf-op/script/RFscan/SchottkyScan.py
2017-06-12 11:46:48 +02:00

61 lines
1.8 KiB
Python

import ch.psi.pshell.epics.ControlledVariable as ControlledVariable
if get_exec_pars().source == CommandSource.ui:
start = -30.0
stop = 30.0
step = 5.0
nb = 1
lat = 0.100
plt = None
else:
start = args[0]
stop = args[1]
step = args[2]
nb = int(args[3])
lat = args[4]
plt = args[5]
phase = ControlledVariable("Phase", "SINEG01-RSYS:SET-VSUM-PHASE", "SINEG01-RSYS:GET-VSUM-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()
st.waitValueChange(10000)
phase0 = phase.read()
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()
#Setting the return value
x = rf_phase
y = charge
index_max = y.index(max(y))
phase_ref = x[index_max] - 80
"""
# 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" % step + "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())
"""
set_return(phase_ref)