optics-rs 0.13.6

Rust port of EPICS synApps optics module
Documentation 
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### Convert the cap_sensor voltage to motor units

record(ai, "$(P)$(C):voltage")
{
	field(DESC, "cap sensor voltage")
        field(INP,  "$(V) CP NMS")
	field(PREC, "$(PREC=5)")
	field(EGU,  "V")
}

record(calcout, "$(P)$(C):posCalc")
{
	field(DESC, "cap sensor pos calc")
	field(INPA, "$(P)$(C):voltage CP NMS")
	field(INPB, "$(P)$(C):umPerV CP NMS")
	field(INPC, "$(P)$(C):offset CP NMS")
	field(CALC, "A * B + C")
	field(OUT,  "$(P)$(C):pos  PP NMS")
	field(PREC, "$(PREC=5)")
	field(EGU,  "$(EGU=um)")
}

record(ao, "$(P)$(C):pos")
{
	field(DESC, "cap sensor position")
	field(PREC, "$(PREC=5)")
	field(EGU,  "$(EGU=um)")
}

record(ao, "$(P)$(C):umPerV")
{
	field(DESC, "um per Volt")
	field(PREC, "$(PREC=5)")
	field(VAL,  "$(UMV)")
	field(EGU,  "$(EGU=um)")
}

record(ao, "$(P)$(C):offset")
{
	field(DESC, "cap sensor offset")
	field(PREC, "$(PREC=5)")
	field(VAL,  "$(OFF)")
	field(EGU,  "$(EGU=um)")
	
}

record(calcout, "$(P)$(C):zero")
{
	field(DESC, "zero cap sensor offset")
	field(PREC, "$(PREC=5)")
	field(INPA, "$(P)$(C):offset NPP NMS")
	field(INPB, "$(P)$(C):posCalc NPP NMS")
	field(CALC, "A-B")
	field(SCAN, "Passive")
	field(OUT,  "$(P)$(C):offset PP NMS")
}