( Rectangular area probe )
( adapted for ngcgui-compatibility from smartprobe.ngc written by Chris Radek )
( This program repeatedly probes a regular XY grid and writes the )
( probed locations to the file 'rectangle_probe_result.txt' in the same directory )
( as the .ini file )

( Requires a probe connected to motion.probe-input )
( or use scripts/simulate_probe )

(info: Probe a rectangular area)
o<rectangle_probe> sub
      #<xmin> =  #1 (=  -1.0)
      #<xmax> =  #2 (=   1.0)
 #<xinterval> =  #3 (=   0.1)
      #<ymin> =  #4 (=  -1.0)
      #<ymax> =  #5 (=   1.0)
 #<yinterval> =  #6 (=   0.1)
     #<zsafe> =  #7 (=   1.1)
    #<zprobe> =  #8 (=  -0.1)
#<probespeed> =  #9 (=  20)
  #<in_or_mm> = #10 (=  20 in|mm 20|21)
      #<wait> = #11 (=   1 Wait for Start)

O1 if [ [#<in_or_mm> ne 20] and [#<in_or_mm> ne 21]]
     (debug, in_or_mm invalid: #<in_or_mm> - EXITING)
     (print, in_or_mm invalid: #<in_or_mm> - EXITING)
     (AXIS,notify, rectangle_probe: in_or_mm invalid - EXITING)
     m2
O1 endif

#<xsteps> = [fix [abs[#<xmax> - #<xmin>]/#<xinterval> + 1]]
#<ysteps> = [fix [abs[#<ymax> - #<ymin>]/#<yinterval> + 1]]

G#<in_or_mm>
#<points> = [#<xsteps> * #<ysteps>]

(debug, Probing #<xsteps> * #<ysteps> = #<points> points)
(LOGOPEN,rectangle_probe_result.txt)
(LOG,# xmin = #<xmin> xmax = #<xmax> xinterval = #<xinterval> xsteps = #<xsteps>)
(LOG,# ymin = #<ymin> ymax = #<ymax> yinterval = #<yinterval> ysteps = #<ysteps>)

#<yct> = 0
#<xct> = 0
G0Z#<zsafe>
F#<probespeed>

O2 while [#<yct> lt #<ysteps>]
     #<xct> = 0
     G0 Y[#<ymin>+#<yinterval>*#<yct>]
O3   while [#<xct> lt #<xsteps>]
       #<xtarget> = 0
O4     if [[#<yct>/2] - fix[#<yct>/2] eq 0]
         #<xtarget> = [#<xmin> + #<xinterval> * #<xct>]
O4     else
         #<xtarget> = [#<xmin> + #<xinterval> * [#<xsteps> - #<xct> - 1]]
O4     endif
       #<probesuccess> = 1
O5     while [#<probesuccess> NE 0]
         G38.5 z#<zsafe>   (probe until no contact away from work, no error)
         #<probesuccess> = #5070
         G38.3 x#<xtarget> (probe until contact, toward work, no error)
         #<probesuccess> = #5070
O5     endwhile
O6     if [[#<wait> eq 1] and [[#<yct> eq 0] and [#<xct> eq 0]]]
         (debug, S to Begin Rectangle Probe)
         m0 (mandatory stop)
         M110 (axisui.notifications-clear)
O6     endif
       G38.2Z#<zprobe> (probe until contact, toward work, with error)
       G0z#<zsafe>
       #<probex> = #5061
       #<probey> = #5062
       #<probez> = #5063
       (LOG,X#<probex> Y#<probey> Z#<probex>)
       #<xct> = [#<xct> + 1]
O3    endwhile
      G0Z#<zsafe>
      #<yct> = [#<yct> + 1]
O2 endwhile

(LOG,# Finished: total points = #<points>)
(LOGCLOSE)
(debug, Finished: see rectangle_probe_result.txt)

G0Z#<zsafe>
G0X#<xmin>Y#<ymin>
o<rectangle_probe> endsub