cleaning up

src/DoubleTank.jl

-export DoubleTankSimulator
+export DoubleTankSimulator, DoubleTank,
 
 using LabConnections.Computer #for LabStream
 
@@ -11,15 +11,8 @@ const venturimax     = 14.0
 using Parameters
 
 
-#struct BC
-#ar::Array{Float64, 1}
-#end
-
-#bc = BC([])
-
-#Change later
+#This should be changed in LabConnections in some reasonably manner
 ############################################################
-using LabConnections.Computer
 function LabConnections.Computer.getwritecommand(stream::ComediStream, input::AnalogOutput10V, val::Float64)
     abs(val) <= 10 || error("Volatage $val not in range [-10,10]")
     return (Int32(0),Int32(3),input.i,val)
@@ -29,7 +22,7 @@ function LabConnections.Computer.getreadcommand(stream::ComediStream, input::Ana
 end
 ############################################################
 
-
+# This allows calibration without having to toggle the pump controller
 function LabConnections.Computer.send(n::Void, a::Number)
     nothing
 end
@@ -103,7 +96,6 @@ mutable struct Pump <: PhysicalProcess
     v::Float64
     pid::PID
     venturirange::Array{Float64, 1}
-    #venturimax::Float64
     measure::AnalogInput10V
     control::Union{AnalogOutput10V, Void}
 end
@@ -121,7 +113,6 @@ outputrange(p::Pump) = [0.,10.]
 inputrange(p::Pump)  = [(0.,1.)] 
 
 function control(p::Pump, yref)
-    #In the java program this controller runs 5 times faster than the regular one, how do we accomplish this? Do we need to?
     p.u = yref
 end
 
@@ -129,7 +120,6 @@ function initialize(p::Pump)
     @async while true
         @periodically p.h begin
             #normalized venturi
-            #push!(bc.ar, time())
             venturi = (read(p.measure)-p.venturirange[1])/(p.venturirange[2]-p.venturirange[1])
             flow = sqrt(max(venturi,0.0)) 
             p.v = p.pid(p.u, flow, (1,1,0))
@@ -280,6 +270,6 @@ measure(p::DoubleTankSimulator)    = p.x + p.σ*p.scale*randn(2)
 LabProcesses.initialize(p::DoubleTankSimulator) = nothing
 LabProcesses.finalize(p::DoubleTankSimulator)   = nothing
 
-LabProcesses.initialize(p::DoubleTank) = nothing #change later
+LabProcesses.initialize(p::DoubleTank) = nothing 
 LabProcesses.finalize(p::DoubleTank)   = nothing