114 lines
2.5 KiB
Python
114 lines
2.5 KiB
Python
import os
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import traceback
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file_prefix = time.strftime("%y%m%d")
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input_path = "/sls/X11MA/Data1/public/X11MA/temp/"+file_prefix+"/"
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output_path = input_path #+file_prefix+"/" #"/sls/X11MA/Data1/public/e10989/"+file_prefix+"/"
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#Parameters
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"""
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E1 = 680
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E2 = 750
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TIME = 2 #min
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DELAY = 10.0 #s
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OFFSET1 = 1.0 #eV
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OFFSET2 = -1.0 #eV
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PREFIX = 'Data'
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RUNTYPE = "+/-"
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ROUNDS = 1
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"""
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print "\nStarting energy scan - Parameters: ",
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print E1,E2,TIME,DELAY,OFFSET1,OFFSET2,RUNTYPE #,ALPHA
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#fid = caget(OTF_FID, 'i')
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def switchpol(activeID):
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global pol_str
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if activeID == 1:
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caput(OTF_OFF1,OFFSET1)
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caput(OTF_OFF2,OFFSET2-40) #detune ID2
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pol_str = "circ +"
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elif activeID == 2:
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caput(OTF_OFF1,OFFSET1-40) #detune ID1
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caput(OTF_OFF2,OFFSET2)
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pol_str = "circ -"
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else:
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raise Exception("Invalid parameter")
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pol_str = None
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polswitch = 1
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fid = get_next_fid(input_path, "o" + file_prefix)
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#Prepare scan
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number_of_scans = 1
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if RUNTYPE in ["+/-", "+" , "-"]:
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caput(OTF_MODE1,1) # circ + in ID1
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caput(OTF_MODE2,2) # circ - in ID2
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wait_channel(OTF_DONE, 1, type = 'i')
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if RUNTYPE == "+/-":
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number_of_scans = 2 * ROUNDS
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else:
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number_of_scans = ROUNDS
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else:
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raise Exception("Invalid run type: " + RUNTYPE)
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if RUNTYPE == "-":
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switchpol(2) # tune ID2 --> polarization: C-
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else:
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switchpol(1) # tune ID1 --> polarization: C+
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time.sleep(1.0)
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wait_channel(OTF_DONE, 1, type = 'i')
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open_vg10()
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open_vg13()
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for scan_no in range(number_of_scans):
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suffix = ("%03d" % fid)
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input_file = input_path + "o" + file_prefix + "_" + suffix + ".dat"
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caput(OTF_E1, E1)
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caput(OTF_E2, E2)
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caput(OTF_TIME, TIME)
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caput(OTF_FTS,file_prefix)
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caput(OTF_FID,fid)
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time.sleep(2.0)
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caput(OTF_ESET, E1)
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wait_channel(OTF_DONE, 1, type = 'i') #???
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time.sleep(DELAY)
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time.sleep(2.0)
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#Start the OTF scan
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caput(OTF_START, 'GO')
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#Wait until scan is done
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wait_channel(OTF_START, 'STOP', type = 's')
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time.sleep(3.0)
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#Convert file
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output_file = output_path+"os"+file_prefix+"_" + suffix + ".dat"
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print("Converting data file: " + output_file);
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convert_file(input_file, output_file, pol_str)
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plot_file(output_file, file_prefix+"_" + suffix) #"Scan " + str(scan_no+1))
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if polswitch == 1:
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switchpol(2) # tune ID2 --> polarization:C-
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polswitch = 0
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else:
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polswitch = 1
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time.sleep(3.0)
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fid = fid + 1
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close_vg13()
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print "Finished Energy scan"
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print("Success")
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