#!/bin/sh
PATH=$PATH:/home/qi/cae-tools/cameo
PATH=$PATH:/home/moko/svn.openmoko.org/developers/werner/cncmap/gp2rml

#
# Parameters:
#
# NAME		KiCad project name, required
# X0, Y0	lower left corner of raw board, default: 0mm 0mm
# X, Y		position in array, default: 0 0
# XN, YN	number of boards in X/Y direction, default: 1 1
# ROT		board rotation, default: 0 degrees
# DRILL		drill diameter range, default: 13mil,14mil
# MILL_IN	diameter of mill for work inside the board, default: 35mil
# MILL_OUT	diameter of mill for board edge, default: 35mil
# BOARD_Z	board tickness, default: 0.8 mm
#

while [ "$1" ]; do
    eval "$1"
    shift
done

if ! [ "$NAME" ]; then
    echo "NAME is required" 1>&2
    exit 1
fi
: ${X0:=0} ${Y0:=0}
: ${X:=0} ${Y:=0}
: ${XN:=1} ${YN:=1}
: ${DRILL:="13mil 14mil"}
: ${MILL_IN:=35mil}
: ${MILL_OUT:=35mil}
: ${BOARD_Z:=0.8mm}

rot=
if [ "$ROT" ]; then
    rot="rotate $ROT"
fi

write=write
yi=0
while [ $yi -lt $YN ]; do
    xi=0
    while [ $xi -lt $XN ]; do

	cameo <<EOF || exit
mm

gerber 35mil ../$NAME-PCB_Edges.gbr
$rot
align 1 $X0 $Y0		# align relative to board corner
translate 4mm 4mm	# move to PCB zone assigned to project
array +3mm +3mm `expr $X + $xi` `expr $Y + $yi`
z 0 -58.9mm		# board surface (tool fully retracted)
z 1.5mm			# slack for extending the tool
z -$BOARD_Z		# board thickness
z -0.5mm		# tool extra depth
clear

excellon ../$NAME.drl
drill $DRILL
optimize
$write drill.gp

remainder
mill $MILL_IN 0.01mm
$write mill.gp

remainder
empty

gerber $MILL_OUT ../$NAME-PCB_Edges.gbr
offset
append mill.gp
EOF

	write=append
	xi=`expr $xi + 1`
    done
    yi=`expr $yi + 1`
done

gp2rml 2 0.5 0.5 mill.gp >mill.rml
gp2rml 2 0.1 0.5 drill.gp >drill.rml


cat <<EOF >Makefile.mkmk
SPOOL=/home/moko/svn.openmoko.org/developers/werner/cncmap/spool/spool
CNGT=/home/qi/cae-tools/cngt/cngt

.PHONY:		mill drill cng plot dplot

mill:
		PORT=/dev/ttyUSB0 \$(SPOOL) mill.rml

drill:
		PORT=/dev/ttyUSB0 \$(SPOOL) drill.rml

cng:
		\$(CNGT) -57.4 20 mill.gp

plot:
		echo 'plot "drill.gp" with points, "mill.gp" with lines' | \\
		  gnuplot -persist

dplot:
		echo 'plot "< sed /^\$\$/d drill.gp" with linespoints' | \\
		  gnuplot -persist

clean::
		rm -f mill.gp mill.rml drill.gp drill.rml
EOF