200 lines
5.2 KiB
Python
200 lines
5.2 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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PLOT_TYPE = 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#,ALPHA1,ALPHA2
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print str(SET_OFFSETS)
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###############################################################################
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# Plotting
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###############################################################################
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running = False
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quit_plot = False
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def _startPlot(type):
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global running, quit_plot
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print "Starting plot: type " + str(type)
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quit_plot = False
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running = True
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p = plot(None,name="")[0]
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p.addSeries(LinePlotSeries("Energy"))
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s= p.getSeries(1)
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cur = 0
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time.sleep(3.0)
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while running:
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try:
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if otf_start.read() == 0:
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break
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e = energy.read()
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if (abs(e-cur)) > 0.1:
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v = - (keithley_2a.read() / ((keithley_1a if (type==1) else keithley_3a).read() ))
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p.getSeries(1).appendData(e,v)
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cur = e
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time.sleep(0.2)
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except:
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pass
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quit_plot = True
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print "Done Plotting"
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def startPlot(type = 1):
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ret = fork((_startPlot,(type,)),)
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def stopPlot():
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global running, quit_plot
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running = False
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while quit_plot==False:
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time.sleep(0.001)
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############################PGM+ID1+ID2###################################################
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def switchpol(activeID, runtype):
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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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if runtype in ["+/-", "+"]:
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pol_str = "circ +"
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elif runtype in ["LH/LV", "LH"]:
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pol_str = "Lin. Horizontal"
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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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if runtype in ["+/-", "-"]:
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pol_str = "circ -"
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elif runtype in ["LH/LV", "LV"]:
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pol_str = "Lin. Vertical"
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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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###############################################################################
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#Prepare scan
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###############################################################################
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caput ("X11PHS-E:OPT","PGM+ID1+ID2")
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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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elif RUNTYPE in ["LH/LV", "LH", "LV"]:
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caput(OTF_MODE1,0)
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caput(OTF_MODE2,0)
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wait_channel(OTF_DONE, 1, type = 'i')
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caput(OTF_ALPHA1, 0.0) # LH in ID1
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caput(OTF_ALPHA2, 90.0) # LV in ID2
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wait_channel(OTF_DONE, 1, type = 'i')
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if RUNTYPE == "LH/LV":
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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 in ["-", "LV"]:
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switchpol(2, RUNTYPE) # tune ID2 --> polarization: C- or LV
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polswitch = 0
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elif RUNTYPE in ["+/-", "+", "LH/LV", "LH"]:
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switchpol(1, RUNTYPE) # tune ID1 --> polarization: C+ or LH
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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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time.sleep(0.5)
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open_vg11()
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time.sleep(0.5)
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open_vg12()
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time.sleep(0.5)
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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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startPlot(PLOT_TYPE)
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#Start the OTF scan
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#caput(OTF_START, 'GO')
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otf_start.write(1)
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time.sleep(3.0)
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try:
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#wait_channel(OTF_START, 'STOP', timeout = int(TIME*60), type = 's')
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otf_start.waitValue(0, (15 + int(TIME*60)) *1000)
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except:
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print "******** OTF STOP TIMEOUT **********"
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otf_start.write(0)
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finally:
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stopPlot()
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time.sleep(5.0)
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#TODO: wait for file instead of sleep
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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 RUNTYPE in ["+/-", "LH/LV"]:
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if polswitch == 1:
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switchpol(2, RUNTYPE) # tune ID2 --> polarization: C- or LV
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polswitch = 0
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else:
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polswitch = 1
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switchpol(1, RUNTYPE) # tune ID1 --> polarization: C+ or LH
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else:
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raise Exception("running in one polarization mode, no switching")
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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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