#### The following code goes in custom_postgui.hal 
 
# **** Setup of spindle speed display using pyvcp -START ****
# **** Use ACTUAL spindle velocity from spindle encoder
# **** spindle-velocity bounces around so we filter it with lowpass
# **** spindle-velocity is signed so we use absolute component to remove sign
# **** ACTUAL velocity is in RPS not RPM so we scale it.
 
setp scale.0.gain 60
setp lowpass.0.gain 0.010000
net spindle-velocity => lowpass.0.in
net spindle-fb-filtered-rps      lowpass.0.out  => abs.0.in
net spindle-fb-filtered-abs-rps  abs.0.out      => scale.0.in
net spindle-fb-filtered-abs-rpm  scale.0.out    => pyvcp.spindle-speed
 
# **** set up spindle at speed indicator ****
 
net spindle-cmd            =>  near.6.in1
net spindle-velocity       =>  near.6.in2
net spindle-at-speed       <=  near.6.out
setp near.6.scale 1.500000
net spindle-at-speed       => pyvcp.spindle-at-speed-led