Files
sf-op/script/Diagnostics/WireScan.py
2017-04-12 15:55:14 +02:00

110 lines
3.1 KiB
Python

is_panel = get_exec_pars().source != CommandSource.ui #Must be checked before callin "run"
run("Devices/Elements")
run("Devices/WireScanner")
#BPM_SENSORS = {"x":"X1", "y":"Y1", "q":"Q1"}
BPM_SENSORS = {"x":"X1"}
if is_panel:
prefix = args[0]
sel = args[1]
start = args[2]
end = args[3]
cycles = args[4]
velocity = args[5]
bpm3 = args[6]
else:
prefix = "S30CB09-DWSC440" #"SARCL02-DWSC270" # "SINDI01-DWSC090" #"SARCL02-DWSC270"
sel = WireScanner.W1X
start = -200
end = 200
cycles = 5
velocity = 200
bpm3 = None
print prefix, sel, start, end, cycles, cycles, bpm3
#Creating WireScanner object
if prefix not in get_wire_scans():
raise Exception("Invalid wire scan: " + prefix)
scanner = WireScanner(prefix, sel, start, end, cycles, velocity, True)
scanner.init()
scanner.waitValue("At start", 60000)
#Stream channels
bs_position = scanner.motor_bs_readback.get_name()
bpms = get_wire_scans_bpms(prefix)
if bpms is None:
raise Exception("Cannot determine wire scan bpms: " + prefix)
channels = [("w_pos", scanner.motor_bs_readback.get_name()),
("cur_cycle", scanner.curr_cycl.get_name()),
("scanning", scanner.status_channels[0].get_name())]
if bpm3 is not None:
bpms.append(bpm3)
bpms = ["SINDI01-DBPM060", "SINDI02-DBPM010"]
for i in range (len(bpms)):
for sensor in BPM_SENSORS.keys():
channels.append (("bpm" + str(i+1) + "_" + sensor, bpms[i] + ":" + BPM_SENSORS[sensor]))
channels.append (("timer", "SINDI01-RLLE-STA:SLAVE1-CPUTIMER"))
#Stream creation
st = Stream("pulse_id", dispatcher)
#st.setFilter(scanner.status_channels[0].get_name() + ">0") #Not used because we must the reansition to know when the finished
scanner.curr_cycl.write(0)
st.setFilter(scanner.curr_cycl.get_name() + ">0")
for c in channels:
print c[1]
st.addScalar(c[0], c[1], 10, 0)
st.initialize()
st.start()
st.waitCacheChange(10000)
scanner.scan()
scanner.waitState(State.Busy, 60000)
#End of scan checking
scan_complete=False
cur_cycle = scanner.curr_cycl.get()
def check_end_scan(record, scan):
global scan_complete
global cur_cycle
#print record[1] ,scanner.readback
if record[3]<1:
print "Data aquisition completed"
scan_complete=True
scan.abort()
elif record[2] != cur_cycle:
print "New step"
print cur_cycle, record[2]
cur_cycle = record[2]
scan.abort()
scan.start()
#Metadata
def write_metadata(path):
try:
set_attribute(path, "Wire Scan", prefix)
set_attribute(path, "Selection", sel)
set_attribute(path, "Range", scaner.scan_range)
set_attribute(path, "Cycles", scanner.cycles )
set_attribute(path, "Velocity", scanner.velocity )
except:
pass
#Scan
try:
mscan (st, st.getReadables(), -1, -1, after_read = check_end_scan)
except:
if not scanner.isReady():
print "Aborting Wire Scan"
scanner.abort()
if not scan_complete:
raise
finally:
write_metadata(get_exec_pars().scanPath)
print "Closing scanner"
scanner.close()
st.close()