cam/: scripts for cutting the PCB (just the board - traces are etched)

cam/Makefile

@@ -0,0 +1,4 @@
+.PHONY:		pcb
+
+pcb:
+		./doit >job

cam/doit

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+#!/bin/sh -e
+DIR=/home/moko/svn.openmoko.org/developers/werner/cncmap
+RECT=$DIR/rect/rect
+ALIGN=$DIR/align/align
+ZMAP=$DIR/zmap/zmap
+GP2RML=$DIR/gp2rml/gp2rml
+
+GEN=${1:-./pcb.pl}
+
+rdata="12.10 8.90 -55.90  12.30 81.50 -55.80  111.70 11.30 -55.60"
+# we need quite a large Z adjustment due to the table's vertical flexibility
+Z=-56.30
+
+rect=`$RECT $rdata | awk '{$3 = ""; print}'`
+
+$GEN |
+  awk '{ if ($3 != "") $3 += '$Z'; print $0; }' |
+  $ALIGN 0 1 $rect |
+	# angle, reference (lower left corner), rect
+  $GP2RML 1.5 0.1 0.1
+	# clearance, xy speed, z speed

cam/pcb.pl

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+#!/usr/bin/perl
+
+$d = 2.54/1000*12;
+$r = $d/2+0.1;
+
+
+sub orig
+{
+    $x0 = $_[0];
+    $y0 = $_[1];
+}
+
+
+sub mil
+{
+    return $_[0]/1000*25.4;
+}
+
+
+sub cut
+{
+    if (defined $x) {
+	if ($x == $_[0]+$x0 && $y == $_[1]+$y0) {
+	    shift @_;
+	    shift @_;
+	} else {
+	    print "\n";
+	}
+    }
+    while (@_) {
+	$x = shift @_;
+	$y = shift @_;
+	($x, $y) = (-$y, $x);
+	$x += $x0;
+	$y += $y0;
+	print "$x $y $z\n";
+    }
+}
+
+
+sub one
+{
+    &cut(
+      &mil(   0)-$r,	&mil(  0)-$r,
+      &mil(   0)-$r,	&mil(620)+$r,
+      &mil( 810)+$r,	&mil(620)+$r,
+      &mil( 850)  ,	&mil(580)+$r,
+      &mil( 890)-$r,	&mil(620)+$r,
+      &mil(1300)+$r,	&mil(620)+$r,
+      &mil(1490)+$r,	&mil(430)+$r,
+      &mil(1630)+$r,	&mil(430)+$r,
+      &mil(1630)+$r,	&mil(360)+$r,
+      &mil(1850)-$r,	&mil(360)+$r,
+      &mil(1850)-$r,	&mil(430)+$r,
+      &mil(2150)+$r,	&mil(430)+$r,
+      &mil(2150)+$r,	&mil(-70)-$r,
+      &mil( 890)-$r,	&mil(-70)-$r,
+      &mil( 890)-$r,	&mil(  0)-$r,
+      &mil( 850)   ,	&mil( 40)-$r,
+      &mil( 810)+$r,	&mil(  0)-$r,
+      &mil(   0)-$r,	&mil(  0)-$r);
+}
+
+
+$z = -0.8
+# x: corner offset, compensation for rotation, array position
+# y: corner offet
+&orig(5+16+22*2, 5)
+&one;