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hw/cam/: toolpath generation for cutting the PCB.
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4
hw/cam/Makefile
Normal file
4
hw/cam/Makefile
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.PHONY: pcb
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pcb:
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./doit >job
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21
hw/cam/doit
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21
hw/cam/doit
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#!/bin/sh -e
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DIR=/home/moko/svn.openmoko.org/developers/werner/cncmap
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RECT=$DIR/rect/rect
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ALIGN=$DIR/align/align
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ZMAP=$DIR/zmap/zmap
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GP2RML=$DIR/gp2rml/gp2rml
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GEN=${1:-./pcb.pl}
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rdata="19.6 13.0 -56.2 19.6 53.1 -56.1 110.7 14.1 -56.2"
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# lower Z by 0.5 mm relative to highest point
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Z=-56.6
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rect=`$RECT $rdata | awk '{$3 = ""; print}'`
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$GEN |
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awk '{ if ($3 != "") $3 += '$Z'; print $0; }' |
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$ALIGN 0 1 $rect |
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# angle, reference (lower left corner), rect
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$GP2RML 3 0.1 0.1
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# clearance, xy speed, z speed
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60
hw/cam/pcb.pl
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60
hw/cam/pcb.pl
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#!/usr/bin/perl
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$d = 2.54/1000*12;
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$r = $d/2+0.25;
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sub orig
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{
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$x0 = $_[0];
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$y0 = $_[1];
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}
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sub mil
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{
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return $_[0]/1000*25.4;
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}
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sub cut
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{
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if (defined $x) {
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if ($x == $_[0]+$x0 && $y == $_[1]+$y0) {
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shift @_;
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shift @_;
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} else {
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print "\n";
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}
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}
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while (@_) {
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$x = shift @_;
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$y = shift @_;
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# ($x, $y) = (-$y, $x);
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$x += $x0;
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$y += $y0;
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print "$x $y $z\n";
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}
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}
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sub one
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{
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&cut(
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&mil( 0)-$r, &mil( 0)-$r,
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&mil( 0)-$r, &mil( 460),
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&mil( -50)-$r, &mil( 510),
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&mil( -50)-$r, &mil(1070)+$r,
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&mil( 520)+$r, &mil(1070)+$r,
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&mil( 520)+$r, &mil( 510),
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&mil( 470)+$r, &mil( 460),
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&mil( 470)+$r, &mil( 0)-$r,
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&mil( 0)-$r, &mil( 0)-$r);
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}
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$z = -1.6; # full thickness of board
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# x: corner offset, compensation for rotation, array position
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# y: corner offet
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&orig(1+1+17*1, 1)
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&one;
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