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eda-tools/fab/m1/drl2gerber

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#!/usr/bin/perl
#
# drl2gerber - Convert a KiCAD-generated Excellon drill file to Gerber
#
# Written 2011 by Werner Almesberger
# Copyright 2011 Werner Almesberger
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
print "G04 MACHINE-GENERATED FROM DRILL FILE*\n" || die;
print "G01*\n" || die; # linear Interpolation
print "G70*\n" || die; # inch units
print "G90*\n" || die; # absolute Mode
print "%MOIN*%*\n" || die; # inches, RS274X-style
print "%FSLAX34Y34*%\n" || die; # format
$x0 = 7300;
$y0 = 268910;
sub u()
{
my $f = 1000000;
$_[0] =~ /^(-?)(\d+)$/;
my $s = 0;
for (split("", $2)) {
$s += $_*$f;
$f /= 10;
}
return $1 eq "-" ? -$s : $s;
}
while (<>) {
chop;
if (/^T(\d+)C/) {
print "%ADD", $1+10, "C,$'*%\n" || die;
print "G54D", $1+10, "*\n" || die;
$faux_g85 = 0;
# we dont' seem to have easily machine-readable
# information in Altium's Excellon to tell what should
# be a hole and what should be a slot
undef $last;
next;
}
if (/^T(\d+)$/) {
print "G54D", $1+10, "*\n" || die;
next;
}
if (/^X([-0-9.]+)Y([-0-9.]+)$/) {
my $c = sprintf("X%dY%d", &u($1)+$x0, &u($2)+$y0);
if ($faux_g85) {
print "${last}D02*\n${c}D01*\n" if defined $last;
$last = $c;
} else {
print "${c}D03*\n" || die;
}
next;
}
if (/^X([-0-9.]+)Y([-0-9.]+)G85X([-0-9.]+)Y([-0-9.]+)$/) {
printf("X%dY%dD02*\nX%dY%dD01*\n",
&u($1)+$x0, &u($2)+$y0, &u($3)+$x0, &u($4)+$y0) || die;
next;
}
}
print "M02*\n" || die;