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Removed drl2gp - it's been merged into cameo.

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Werner Almesberger 2011-01-02 21:55:53 -03:00
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339
drl2gp/COPYING.GPLv2
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@ -1,339 +0,0 @@
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
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drl2gp/Makefile
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#
# Makefile - Makefile of drl2gp
#
# Written 2010 by Werner Almesberger
# Copyright 2010 by 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.
#
PREFIX ?= /usr/local
SHELL=/bin/bash
MAIN=drl2gp
OBJS=drl2gp.o
CFLAGS_WARN=-Wall -Wshadow -Wmissing-prototypes \
-Wmissing-declarations -Wno-format-zero-length
CFLAGS=$(CFLAGS_WARN) -g
LDFLAGS=-lm
# ----- Verbosity control -----------------------------------------------------
CC_normal := $(CC)
DEPEND_normal := $(CPP) $(CFLAGS) -MM -MG
CC_quiet = @echo " CC " $@ && $(CC_normal)
DEPEND_quiet = @$(DEPEND_normal)
ifeq ($(V),1)
CC = $(CC_normal)
DEPEND = $(DEPEND_normal)
else
CC = $(CC_quiet)
DEPEND = $(DEPEND_quiet)
endif
# ----- Rules -----------------------------------------------------------------
.PHONY: all clean spotless
all: $(MAIN)
$(MAIN): $(OBJS)
clean:
rm -f $(OBJS) $(OBJS:.o=.d)
spotless: clean
rm -f $(MAIN)
# ----- Install / uninstall ---------------------------------------------------
install: all
mkdir -p $(DESTDIR)/$(PREFIX)/bin/
install -m 755 $(MAIN) $(DESTDIR)/$(PREFIX)/bin/
uninstall:
rm -f $(DESTDIR)/$(PREFIX)/bin/$(MAIN)
# ----- Dependencies ----------------------------------------------------------
# compile and generate dependencies, from fped, based on
# http://scottmcpeak.com/autodepend/autodepend.html
%.o: %.c
$(CC) -c $(CFLAGS) $*.c -o $*.o
$(DEPEND) $*.c | \
sed -e \
'/^\(.*:\)\? */{p;s///;s/ *\\\?$$/ /;s/ */:\n/g;H;}' \
-e '$${g;p;}' -e d >$*.d; \
[ "$${PIPESTATUS[*]}" = "0 0" ] || { rm -f $*.d; exit 1; }
-include $(OBJS:.o=.d)

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drl2gp/README
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Drill file (Excellon) to gnuplot conversion
===========================================
drl2gp converts drill instructions in KiCad-generated Excellon files
to tool paths in gnuplot notation.
drl2gp should be integrated into "cameo" (../cameo) at some point in
time.
This work is distributed under the terms of the GNU GENERAL PUBLIC
LICENSE, Version 2:
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.
For your convenience, a copy of the complete license has been included
in the file COPYING.GPLv2.
Usage
-----
drl2gp reads a drill file and generates toolpaths for a specific tool.
Instructions that cannot be executed with the specified tool, e.g.,
holes smaller than the tool's diameter, are ignored.
To facilitate iterative generation of toolpaths, drl2gp can generate a
copy of its input file from which the instructions it has turned into
toolpaths are removed. A typical workflow would then consist of a
series drl2gp runs with drill, followed of a run with an endmill.
drl2gp adjusts toolpath for the tool diameter. It is therefore not
necessary to run "cameo" on the toolpaths.
Usage:
drl2gp depth drill_d_min drill_d_max <file.drl >toolpaths.gp
drl2gp depth mill_d <file.drl >toolpaths.gp
"depth" is the depth to which to drill. The tool can either be a drill
or an endmill. A drill makes holes efficiently but cannot be moved
sideways. An endmill can be used to cut holes wider than the tool
diameter and it can cut slots.
For a drill, the minimum and the maximum diameter of holes it should be
used for is specified. For an endmill, the tool diameter is specified.
All dimensions are in millimeters by default. The unit can be set to mil
with the option -i and set back to millimeters with -m. -i and -m can be
repeated any number of times and affect the parameters following them.
If the option -f out.drl is given, drl2gp writes a copy of the
Excellon file from which the drill instructions that have been accepted
in this run have been stripped.
Example:
drl2gp 1 -i 10 15 <file.drl -f tmp.drl >drill-135.gp
drl2gp 1 0.8 <tmp.drl >mill-08.gp
Here, first generate toolpaths for a 13.5 mil drill. We use this drill
for all holes with a diameter from 10 to 15 mil. Second, we use a 0.8
mm endmill for the remaining drill instructions.
Known bugs
----------
- most of the elements in an Excellon file are just ignored, without
examining if some may have an effect
- when encountering a slotting operation with a compatible tool diameter,
drl2gp tries to process it even if the tool is a drill. This gets
detected when trying to generate the toolpath and results in an
assertion failure.
As work-around, choose the endmill in a set of tools such that it is
suitable for all slots, and only use drills smaller than the smallest
slot. (drl2gp will then use the endmill for everything that's left
after the drills.)
- drl2gp should warn if any drill instructions are left for which no
toolpath could be generated (if not using -f)

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drl2gp/drl2gp.c
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/*
* drl2gp.c - KiCad drill file to gnuplot converter
*
* Written 2010 by Werner Almesberger
* Copyright 2010 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.
*/
/*
* KiCad drill files are in the Excellon format. The format is described here:
*
* http://www.excellon.com/manuals/program.htm
*
* Note that drl2gp currently only implements the subset necessary to process
* the KiCad drill files encountered in a few projects, may not work correctly
* for drill files from other projects, and will almost certainly fail in
* tool-shattering ways when fed excellon files from other sources.
*/
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <math.h>
#include <assert.h>
#define MAX_ARGS 3
#define MAX_TOOL 10
#define MAX_STEP 0.01 /* max arc step, in mm */
static const char *filter = NULL;
static double tool_d[MAX_TOOL+1];
static FILE *out = NULL;
static int lineno = 1;
static int mill = 0;
static double depth, d0, d1;
#define IN2MM(in) ((in)*25.4)
#define MIL2MM(mil) IN2MM((mil)/1000)
/* ----- gnuplot output ---------------------------------------------------- */
static void eprintf(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
if (vprintf(fmt, ap) < 0) {
perror("stdout");
exit(1);
}
va_end(ap);
}
static double arc2angle(double arc, double r)
{
return acos(1-arc*arc/(r*r)/2);
}
static void half_circle(double cx, double cy, double rx, double ry, double s)
{
double m[4];
double x = rx, y = ry, tmp;
double a;
m[0] = cos(s);
m[1] = -sin(s);
m[2] = -m[1];
m[3] = m[0];
for (a = 0; a < M_PI; a += s) {
eprintf("%f %f %f\n", cx+x, cy+y, -depth);
tmp = x*m[0]+y*m[1];
y = x*m[2]+y*m[3];
x = tmp;
}
eprintf("%f %f %f\n", cx-rx, cy-ry, -depth);
}
static void slot(double xa, double ya, double xb, double yb, double d)
{
double dx = xb-xa;
double dy = yb-ya;
double cr = d/2;
double tr = d0/2;
double s = arc2angle(MAX_STEP, cr);
double nx, ny;
double f;
assert(mill);
f = (cr-tr)/hypot(dx, dy);
nx = -dy*f;
ny = dx*f;
half_circle(xa, ya, nx, ny, s);
half_circle(xb, yb, -nx, -ny, s);
eprintf("%f %f %f\n\n", xa+nx, ya+ny, -depth);
}
static void circle(double cx, double cy, double d)
{
double cr = d/2;
double tr = d0/2;
double s = arc2angle(MAX_STEP, cr);
double a;
assert(mill);
for (a = 0; a < 2*M_PI; a += s)
eprintf("%f %f %f\n",
cx+(cr-tr)*cos(a), cy+(cr-tr)*sin(a), -depth);
eprintf("%f %f %f\n\n", cx+(cr-tr), cy, -depth);
}
static void drill(double x, double y)
{
eprintf("%f %f %f\n\n", x, y, -depth);
}
/* ----- header parsing ---------------------------------------------------- */
static void header(void)
{
enum {
ts_nl, /* at beginning of line */
ts_t, /* seen a ^T */
ts_metric, /* parsing METRIC,... */
ts_inch, /* parsing INCH,... */
ts_tc, /* seen ^T\d+C */
ts_skip, /* skip to next \n */
} state = ts_nl;
int c, tool;
double f = 1;
double tmp;
const char *next = NULL;
int metric = 1;
while ((c = getchar()) != EOF) {
if (out) {
if (fputc(c, out) == EOF) {
perror(filter);
exit(1);
}
}
switch (state) {
case ts_nl:
switch (c) {
case 'T':
state = ts_t;
tool = 0;
break;
case 'I':
state = ts_inch;
next = "NCH";
break;
case 'M':
state = ts_metric;
next = "ETRIC";
break;
case '%':
return;
case '\n':
lineno++;
break;
default:
state = ts_skip;
break;
}
break;
case ts_inch:
if (c == ',')
metric = 0;
else {
if (c == *next++)
break;
}
state = ts_skip;
break;
case ts_metric:
if (c == ',')
metric = 1;
else {
if (c == *next++)
break;
}
state = ts_skip;
break;
case ts_t:
if (isdigit(c))
tool = tool*10+c-'0';
else if (c != 'C')
state = ts_skip;
else {
assert(c != '\n');
if (tool > MAX_TOOL) {
fprintf(stderr,
"tool index %d too large (> %d)\n",
tool, MAX_TOOL);
exit(1);
}
tool_d[tool] = 0;
f = 1;
state = ts_tc;
}
break;
case ts_tc:
if (isdigit(c)) {
tmp = c-'0';
if (!metric)
tmp = IN2MM(tmp);
if (f == 1)
tool_d[tool] =
tool_d[tool]*10+tmp;
else {
tool_d[tool] += f*tmp;
f /= 10;
}
} else if (c == '.') {
f = 0.1;
} else if (c == '\n') {
lineno++;
state = ts_nl;
} else {
state = ts_skip;
}
break;
default:
if (c == '\n') {
lineno++;
state = ts_nl;
} else {
state = ts_skip;
}
}
}
}
/* ----- body parsing ------------------------------------------------------ */
static int active = 0;
static void do_cmd(char cmd, double v, int nl)
{
static int metric = 1;
static int slotting = 0;
static double x = 0, y = 0, x0 = 0, d = 0;
int n = v;
switch (cmd) {
case 'M':
switch (n) {
case 30: /* end of program */
exit(0);
case 47: /* operator message */
break;
case 71: /* metric measuring mode */
metric = 1;
break;
case 72: /* inch measuring mode */
metric = 0;
break;
default:
fprintf(stderr,
"unrecognized command M%d at line %d\n",
n, lineno);
exit(1);
}
break;
case 'G':
switch (n) {
case 5: /* drill mode */
break;
case 85: /* slot */
x0 = x;
slotting = 1;
break;
default:
fprintf(stderr,
"unrecognized command G%d at line %d\n",
n, lineno);
exit(1);
}
break;
case 'T':
if (!n) {
active = 0;
break;
}
if (n < 1 || n > MAX_TOOL || !tool_d[n]) {
fprintf(stderr, "invalid tool T%d at line %d\n",
n, lineno);
exit(1);
}
d = tool_d[n];
if (mill)
active = d >= d0;
else
active = d >= d0 && d <= d1;
break;
case 'X':
x = metric ? v : IN2MM(v);
break;
case 'Y':
if (!active) {
slotting = 0;
break;
}
if (!metric)
v = IN2MM(v);
if (slotting) {
slot(x0, y, x, v, d);
slotting = 0;
break;
}
if (nl) {
assert(d);
if (d > d1)
circle(x, v, d);
else
drill(x, v);
break;
}
y = v;
break;
default:
fprintf(stderr, "unrecognized command \"%c\" at line %d\n",
cmd, lineno);
exit(1);
}
}
static void body(void)
{
char cmd = 0;
double v = 0, f = 1;
int c, s = 0;
while ((c = getchar()) != EOF) {
if (out && (c == 'T' || cmd == 'T' || !active))
if (fputc(c, out) == EOF) {
perror(filter);
exit(1);
}
if (c == '\n') {
lineno++;
if (cmd)
do_cmd(cmd, s ? -v : v, 1);
cmd = 0;
} else if (isdigit(c)) {
if (f == 1)
v = v*10+c-'0';
else {
v += f*(c-'0');
f /= 10;
}
} else if (c == '.') {
f = 0.1;
} else if (c == '-') {
s = !s;
} else {
if (cmd)
do_cmd(cmd, s ? -v : v, 0);
cmd = c;
v = 0;
f = 1;
s = 0;
}
}
}
/* ----- command line ------------------------------------------------------ */
static void usage(const char *name)
{
fprintf(stderr,
"usage: %s depth drill_d_min drill_d_max\n"
"usage: %s depth mill_d\n\n"
" options can be placed anywhere. -i and -m can be repeated.\n\n"
" -i set units to imperial (mil)\n"
" -m set units to metric (mm, default)\n"
" -f out-file write filtered output to out-file\n"
, name, name);
exit(1);
}
int main(int argc, char **argv)
{
int metric = 1;
double arg[MAX_ARGS];
int n_arg = 0;
char *end;
double tmp;
int i;
for (i = 1; i != argc; i++) {
if (*argv[i] != '-') {
if (n_arg == MAX_ARGS)
usage(*argv);
tmp = strtod(argv[i], &end);
if (*end)
usage(*argv);
if (!metric)
tmp = MIL2MM(tmp);
arg[n_arg++] = tmp;
continue;
}
switch (argv[i][1]) {
case 'i':
if (argv[i][2])
usage(*argv);
metric = 0;
break;
case 'm':
if (argv[i][2])
usage(*argv);
metric = 1;
break;
case 'f':
if (filter)
usage(*argv);
if (argv[i][2])
filter = argv[i]+2;
else {
i++;
if (i == argc)
usage(*argv);
filter = argv[i];
}
break;
default:
usage(*argv);
}
}
depth = arg[0];
d0 = arg[1];
d1 = arg[2];
switch (n_arg) {
case 2:
d1 = d0;
mill = 1;
break;
case 3:
mill = 0;
break;
default:
usage(*argv);
}
if (filter) {
out = fopen(filter, "w");
if (!out) {
perror(filter);
exit(1);
}
}
header();
body();
if (fflush(stdout) == EOF) {
perror("stdout");
exit(1);
}
if (filter && fclose(out) == EOF) {
perror(filter);
exit(1);
}
return 0;
}