100 lines
2.5 KiB
Python
100 lines
2.5 KiB
Python
"""
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photon flux spectrum
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SampleCurrent: diode
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RefCurrent: RMU
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AuxCurrent: not connected
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"""
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import time
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RANGE = "C K-edge"
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BEAM = "G1200 1x1"
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if RANGE == "G600 full":
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# G600 full spectrum
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STARTPOS = (50.0)
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ENDPOS = (1100.0)
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STEPS = 10.0
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LATENCY = 5.0
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DWELL = 1.0
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elif RANGE == "G1200 full":
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# G1200 full spectrum
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STARTPOS = (100.0)
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ENDPOS = (2000.0)
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STEPS = 25.0
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LATENCY = 5.0
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DWELL = 1.0
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elif RANGE == "C K-edge":
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# carbon edge
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STARTPOS = (250.0)
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ENDPOS = (330.0)
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STEPS = 0.2
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LATENCY = 1.0
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DWELL = 1.0
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KEI_DIODE = "X03DA-KEITHLEY-1:"
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KEI_RMU = "X03DA-KEITHLEY-2:"
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if BEAM == "G600 1x1":
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# G600 1x1 reference sscan_2268 (elog:119)
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SampleCurrentGain.write("L, 10^7")
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RefCurrentGain.write("L, 10^9")
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caput(KEI_DIODE + "RANGE", 6) # 200 nA
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caput(KEI_RMU + "RANGE", 8) # 2 nA
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FrontendHSize.write(1.5)
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FrontendVSize.write(1.4)
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ExitSlit.write(100.0)
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elif BEAM == "G600 6x10":
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# G600 6x10 reference sscan_2268 (elog:119)
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SampleCurrentGain.write("L, 10^5")
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RefCurrentGain.write("L, 10^7")
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caput(KEI_DIODE + "RANGE", 4) # 20 uA
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caput(KEI_RMU + "RANGE", 6) # 200 nA
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FrontendHSize.write(6.5)
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FrontendVSize.write(10.4)
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ExitSlit.write(100.0)
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elif BEAM == "G1200 1x1":
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# G1200 1x1 reference sscan_2264 (elog:114)
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SampleCurrentGain.write("L, 10^7")
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RefCurrentGain.write("L, 10^9")
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caput(KEI_DIODE + "RANGE", 6) # 200 nA
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caput(KEI_RMU + "RANGE", 8) # 2 nA
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FrontendHSize.write(1.5)
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FrontendVSize.write(1.4)
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ExitSlit.write(100.0)
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elif BEAM == "G1200 6x10":
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# G1200 6x10 reference sscan_2266 (elog:116)
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SampleCurrentGain.write("L, 10^6")
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RefCurrentGain.write("L, 10^8")
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caput(KEI_DIODE + "RANGE", 5) # 2 uA
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caput(KEI_RMU + "RANGE", 7) # 20 nA
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FrontendHSize.write(6.5)
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FrontendVSize.write(10.4)
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ExitSlit.write(100.0)
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else:
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# use current settings
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pass
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def trig():
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time.sleep(LATENCY)
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wait_beam()
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caput(KEI_DIODE + "DOINIT", 1)
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caput(KEI_RMU + "DOINIT", 1)
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caput(KEI_DIODE + "DOTRIGGER", 1)
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caput(KEI_RMU + "DOTRIGGER", 1)
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caput("X03DA-OP-10ADC:TRG.PROC", 1)
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time.sleep(DWELL)
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caput(KEI_DIODE + "DOFETCH", 1)
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caput(KEI_RMU + "DOFETCH", 1)
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value = DWELL * 10.0
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SampleCurrentAveraging.write(value)
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RefCurrentAveraging.write(value)
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POSITIONERS = (Eph)
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SENSORS = (Keithley1, Keithley2, SampleCurrent, RefCurrent, MachineCurrent)
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lscan(POSITIONERS, SENSORS, STARTPOS, ENDPOS, STEPS, 0.0, before_read=trig, after_read=after_readout)
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