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