Root/fab/m1/drl2gerber

1#!/usr/bin/perl
2#
3# drl2gerber - Convert a KiCAD-generated Excellon drill file to Gerber
4#
5# Written 2011 by Werner Almesberger
6# Copyright 2011 Werner Almesberger
7#
8# This program is free software; you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation; either version 2 of the License, or
11# (at your option) any later version.
12#
13
14
15print "G04 MACHINE-GENERATED FROM DRILL FILE*\n" || die;
16print "G01*\n" || die; # linear Interpolation
17print "G70*\n" || die; # inch units
18print "G90*\n" || die; # absolute Mode
19print "%MOIN*%*\n" || die; # inches, RS274X-style
20print "%FSLAX34Y34*%\n" || die; # format
21
22# M1rc3
23$x0 = 7300;
24$y0 = 268910;
25# M1r4
26if ($ENV{"REV"} eq "r4") {
27    $x0 = 34022;
28    $y0 = 293540;
29}
30
31
32sub u()
33{
34    my $f = 1000000;
35
36    $_[0] =~ /^(-?)(\d+)$/;
37    my $s = 0;
38    for (split("", $2)) {
39        $s += $_*$f;
40        $f /= 10;
41    }
42    return $1 eq "-" ? -$s : $s;
43}
44
45
46while (<>) {
47    chop;
48    if (/^T(\d+)C/) {
49        print "%ADD", $1+10, "C,$'*%\n" || die;
50        print "G54D", $1+10, "*\n" || die;
51        $faux_g85 = 0;
52            # we dont' seem to have easily machine-readable
53            # information in Altium's Excellon to tell what should
54            # be a hole and what should be a slot
55        undef $last;
56        next;
57    }
58    if (/^T(\d+)$/) {
59        print "G54D", $1+10, "*\n" || die;
60        next;
61    }
62    if (/^X([-0-9.]+)Y([-0-9.]+)$/) {
63        my $c = sprintf("X%dY%d", &u($1)+$x0, &u($2)+$y0);
64
65        if ($faux_g85) {
66            print "${last}D02*\n${c}D01*\n" if defined $last;
67            $last = $c;
68        } else {
69            print "${c}D03*\n" || die;
70        }
71        next;
72    }
73    if (/^X([-0-9.]+)Y([-0-9.]+)G85X([-0-9.]+)Y([-0-9.]+)$/) {
74        printf("X%dY%dD02*\nX%dY%dD01*\n",
75            &u($1)+$x0, &u($2)+$y0, &u($3)+$x0, &u($4)+$y0) || die;
76        next;
77    }
78}
79
80print "M02*\n" || die;
81

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