53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
import ch.psi.pshell.epics.ChannelDouble as ChannelDouble
|
|
|
|
run("CPython/wrapper")
|
|
|
|
#t = ChannelDouble("delay (us)", "SINEG01-DICT009-EVR0:Pul0-Delay-SP")
|
|
#t = ChannelDouble("fine delay (ns)", "SINEG01-DICT009-EVR0:UnivDlyModule0-Delay0-SP")
|
|
#q = ChannelDouble("charge (pC)", "SINEG01-DICT215:B1_CHARGE")
|
|
#V = ChannelDouble("DC output (V)", "SINEG01-DICT215:B1_VOLTAGE")
|
|
#t = ChannelDouble("delay (us)", "S10DI01-DICT113-EVR0:Pul0-Delay-SP")
|
|
t = ChannelDouble("fine delay (ns)", "S10DI01-DICT113-EVR0:UnivDlyModule0-Delay0-SP")
|
|
q = ChannelDouble("charge (pC)", "S10DI01-DICT025:B1_CHARGE")
|
|
V = ChannelDouble("DC output (V)", "S10DI01-DICT025:B1_VOLTAGE")
|
|
t.initialize()
|
|
q.initialize()
|
|
V.initialize()
|
|
|
|
t0 = t.read()
|
|
|
|
#start = 1001.340
|
|
#stop = 1001.400
|
|
#step = 0.001
|
|
#nb = 1
|
|
#lat = 0.300
|
|
start = 2.2
|
|
stop = 12.7
|
|
step = 0.1
|
|
nb = 5
|
|
lat = 0.150
|
|
|
|
|
|
try:
|
|
q_averager = create_averager(q, nb, lat)
|
|
V_averager = create_averager(V, nb, lat)
|
|
V_averager.monitored=True
|
|
r = lscan(t, (q_averager, V_averager), start, stop, step, latency=lat)
|
|
delay = r.getPositions(0)
|
|
charge = [val.mean for val in r.getReadable(0)]
|
|
chargerms = [val.stdev for val in r.getReadable(0)]
|
|
volt = [val.mean for val in r.getReadable(1)]
|
|
voltrms = [val.stdev for val in r.getReadable(1)]
|
|
finally:
|
|
t.write(t0)
|
|
t.close()
|
|
q.close()
|
|
V.close()
|
|
try:
|
|
i_max = charge.index(max(charge))
|
|
min_i, max_i = max(i_max-10, 0), min(i_max+11, len(charge))
|
|
(delay_charge_max, charge_max, delay_charge_fit, charge_fit) = extremum(delay[min_i:max_i], charge[min_i:max_i])
|
|
print delay_charge_max, charge_max
|
|
except:
|
|
raise Exception("Fit failure")
|