pydeviceCRL.cmd

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# PyDevice Support for Transfocator
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# Set CRL number
epicsEnvSet("_N","1")

# Setting some variables beamline-dependent PVs
epicsEnvSet('_SLITH',"")	# Horizontal size of slit PV before CRL
epicsEnvSet('_SLITV',"")	# Vertical size of slit PV before CRL
epicsEnvSet("BLE","")	# Beam energy PV at CRL

# Next two lines set up some testing tools for energy -- can be commented out 
epicsEnvSet("MONOE","testMonoE")
dbLoadRecords("${TOP}/db/energyTestTools.db","P=$(PREFIX), MONOE=$(MONOE), IDENERGY=testIDE")

# CRL DBs and defining substitution file to get stack properties
dbLoadTemplate("substitutions/pyDeviceTfor.substitutions","P=$(PREFIX)")
pydev("stack_subFile = 'substitutions/pyDeviceTfor.substitutions'")
# Import Transfocator class
pydev("from pyTransfocator_single import singleTF")

# Create Transfocator object
pydev("CRL1 = singleTF(crl_setup = 'crl_setup.toml')")

# DB for Transfocator system
dbLoadRecords(""${TOP}/db/pyDevCRLsingle.db","P=$(PREFIX), N=$(_N), OBJ=CRL1, KEV=$(BLE), SLITH = $(_SLITH), SLITV = $(_SLITV)")

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# After iocInit, need to setup focal size lookup table -- because setting slit
# sizes and energy causes the table to be recalculated, will first disable 
# lookup table calc PV, set the slit sizes and energy, calculate the table 
# directly via python call, then enable calc PV so future slit/energy changes
# update the lookup table

# Disable calc of lookup table
doAfterIocInit("dbpf('$(PREFIX)CRL$(_N):recalc_enable','0')") # Disable table calc

# Process current slit and energy PV settings
doAfterIocInit("dbpf('$(PREFIX)CRL$(_N):slitSize_H.PROC','1')") # PROC H slit size read and update CRL1 object
doAfterIocInit("dbpf('$(PREFIX)CRL$(_N):slitSize_V.PROC','1')") # PROC V slit size read and update CRL1 object
doAfterIocInit("dbpf('$(PREFIX)CRL$(_N):energy.PROC','1')") # PROC energy read and update CRL1 object

# Calc lookup table via python; later re-calculations started via EPICS (changes to energy, slits)
# 	stack_subFile - string holding name/rel. location of substitutions file loaded
#                     loaded in  dbLoadTemplate
#   $(_STACKS)  - number of stacks of lenses
doAfterIocInit("pydev('CRL1.setupLookupTable(stack_subFile, $(_STACKS)')") 

# Enable lookup table calc PV
doAfterIocInit("dbpf('$(PREFIX)CRL$(_N):recalc_enable','1')") # Enable table calc
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