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drl2gp: convert KiCad drill file (Excellon) to gnuplot (in progress)
This commit is contained in:
Werner Almesberger
parent
d31bd957ac
commit
1ab262247f
77
drl2gp/Makefile
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77
drl2gp/Makefile
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#
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# Makefile - Makefile of drl2gp
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#
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# Written 2010 by Werner Almesberger
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# Copyright 2010 by Werner Almesberger
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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PREFIX ?= /usr/local
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SHELL=/bin/bash
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MAIN=drl2gp
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OBJS=drl2gp.o
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CFLAGS_WARN=-Wall -Wshadow -Wmissing-prototypes \
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-Wmissing-declarations -Wno-format-zero-length
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CFLAGS=$(CFLAGS_WARN) -g
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LDFLAGS=-lm
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# ----- Verbosity control -----------------------------------------------------
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CC_normal := $(CC)
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DEPEND_normal := $(CPP) $(CFLAGS) -MM -MG
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CC_quiet = @echo " CC " $@ && $(CC_normal)
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DEPEND_quiet = @$(DEPEND_normal)
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ifeq ($(V),1)
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CC = $(CC_normal)
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DEPEND = $(DEPEND_normal)
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else
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CC = $(CC_quiet)
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DEPEND = $(DEPEND_quiet)
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endif
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# ----- Rules -----------------------------------------------------------------
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.PHONY: all clean spotless
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all: $(MAIN)
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$(MAIN): $(OBJS)
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clean:
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rm -f $(OBJS) $(OBJS:.o=.d)
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spotless: clean
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rm -f $(MAIN)
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# ----- Install / uninstall ---------------------------------------------------
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install: all
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mkdir -p $(DESTDIR)/$(PREFIX)/bin/
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install -m 755 $(MAIN) $(DESTDIR)/$(PREFIX)/bin/
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uninstall:
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rm -f $(DESTDIR)/$(PREFIX)/bin/$(MAIN)
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# ----- Dependencies ----------------------------------------------------------
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# compile and generate dependencies, from fped, based on
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# http://scottmcpeak.com/autodepend/autodepend.html
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%.o: %.c
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$(CC) -c $(CFLAGS) $*.c -o $*.o
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$(DEPEND) $*.c | \
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sed -e \
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'/^\(.*:\)\? */{p;s///;s/ *\\\?$$/ /;s/ */:\n/g;H;}' \
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-e '$${g;p;}' -e d >$*.d; \
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[ "$${PIPESTATUS[*]}" = "0 0" ] || { rm -f $*.d; exit 1; }
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-include $(OBJS:.o=.d)
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360
drl2gp/drl2gp.c
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360
drl2gp/drl2gp.c
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/*
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* drl2gp.c - KiCad drill file to gnuplot converter
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*
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* Written 2010 by Werner Almesberger
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* Copyright 2010 Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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/*
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* KiCad drill files are in the Excellon format. The format is described
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* here:
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*
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* http://web.archive.org/web/20071030075236/http://www.excellon.com/manuals/program.htm
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*
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* Note that drl2gp currently only implements the subset necessary to process
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* the KiCad drill files encountered in a few projects, may not work correctly
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* for drill files from other projects, and will almost certainly fail in
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* tool-shattering ways when fed excellon files from other sources.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <assert.h>
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#define MAX_ARGS 3
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#define MAX_TOOL 10
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static double tool_d[MAX_TOOL+1];
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static FILE *out = NULL;
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static int lineno = 1;
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static int mill;
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static double depth, d0, d1;
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#define IN2MM(in) ((in)*25.4)
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#define MIL2MM(mil) IN2MM((mil)/1000)
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/*
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* @@@ should at least detect INCH/METRIC
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*/
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static void header(void)
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{
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enum {
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ts_nl, /* at beginning of line */
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ts_t, /* seen a ^T */
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ts_tc, /* seen ^T\d+C */
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ts_skip, /* skip to next \n */
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} state = ts_nl;
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int c, tool;
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double f = 1;
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while ((c = getchar()) != EOF) {
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if (out) {
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if (fputc(c, out) == EOF) {
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perror("write");
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exit(1);
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}
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}
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switch (state) {
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case ts_nl:
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switch (c) {
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case 'T':
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state = ts_t;
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tool = 0;
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break;
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case '%':
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return;
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case '\n':
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lineno++;
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break;
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default:
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state = ts_skip;
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break;
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}
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break;
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case ts_t:
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if (isdigit(c))
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tool = tool*10+c-'0';
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else if (c != 'C')
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state = ts_skip;
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else {
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assert(c != '\n');
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if (tool > MAX_TOOL) {
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fprintf(stderr,
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"tool index %d too large (> %d)\n",
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tool, MAX_TOOL);
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exit(1);
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}
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tool_d[tool] = 0;
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f = 1;
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state = ts_tc;
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}
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break;
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case ts_tc:
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if (isdigit(c)) {
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if (f == 1)
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tool_d[tool] = tool_d[tool]*10+c-'0';
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else {
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tool_d[tool] += f*(c-'0');
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f /= 10;
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}
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} else if (c == '.') {
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f = 0.1;
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} else if (c == '\n') {
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lineno++;
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state = ts_nl;
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} else {
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state = ts_skip;
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}
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break;
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default:
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if (c == '\n') {
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lineno++;
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state = ts_nl;
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} else {
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state = ts_skip;
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}
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}
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}
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}
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static void slot(double xa, double ya, double xb, double yb, double d)
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{
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assert(mill);
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}
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static void circle(double cx, double cy, double d)
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{
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assert(mill);
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}
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static void drill(double x, double y)
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{
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}
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static void do_cmd(char cmd, double v, int nl)
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{
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static int active = 0;
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static int metric = 1;
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static int slotting = 0;
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double x = 0, y = 0, x0 = 0, d = 0;
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int n = v;
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switch (cmd) {
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case 'M':
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switch (n) {
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case 30: /* end of program */
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exit(0);
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case 47: /* operator message */
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break;
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case 71: /* metric measuring mode */
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metric = 1;
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break;
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case 72: /* inch measuring mode */
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metric = 0;
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break;
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default:
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fprintf(stderr,
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"unrecognized command M%d at line %d\n",
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n, lineno);
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exit(1);
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}
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break;
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case 'G':
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switch (n) {
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case 5: /* drill mode */
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break;
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case 85: /* slot */
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x0 = x;
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slotting = 1;
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break;
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default:
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fprintf(stderr,
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"unrecognized command G%d at line %d\n",
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n, lineno);
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exit(1);
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}
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break;
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case 'T':
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if (!n) {
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active = 0;
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break;
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}
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if (n < 1 || n > MAX_TOOL || !tool_d[n]) {
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fprintf(stderr, "invalid tool T%d at line %d\n",
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n, lineno);
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exit(1);
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}
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d = tool_d[n];
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if (mill)
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active = d <= d0;
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else
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active = d >= d0 && d <= d1;
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break;
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case 'X':
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x = metric ? v : IN2MM(v);
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break;
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case 'Y':
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if (!active) {
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slotting = 0;
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break;
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}
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if (slotting) {
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slot(x0, y, x, v, d);
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slotting = 0;
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break;
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}
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if (nl) {
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assert(d);
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if (d > d1)
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circle(x, v, d);
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else
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drill(x, v);
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break;
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}
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y = metric ? v : IN2MM(v);
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break;
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default:
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fprintf(stderr, "unrecognized command \"%c\" at line %d\n",
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cmd, lineno);
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exit(1);
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}
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}
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static void body(void)
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{
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char cmd = 0;
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double v = 0, f = 1;
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int c, s = 0;
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while ((c = getchar()) != EOF) {
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if (c == '\n') {
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lineno++;
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if (cmd)
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do_cmd(cmd, s ? -v : v, 1);
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cmd = 0;
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} else if (isdigit(c)) {
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if (f == 1)
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v = v*10+c-'0';
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else {
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v += f*(c-'0');
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f /= 10;
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}
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} else if (c == '.') {
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f = 0.1;
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} else if (c == '-') {
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s = !s;
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} else {
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if (cmd)
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do_cmd(cmd, s ? -v : v, 0);
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cmd = c;
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v = 0;
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f = 1;
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s = 0;
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}
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}
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}
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static void usage(const char *name)
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{
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fprintf(stderr,
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"usage: %s depth drill_d_min drill_d_max\n"
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"usage: %s depth mill_d\n\n"
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" options can be placed anywhere. -i and -m can be repeated.\n\n"
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" -i set units to imperial (mil)\n"
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" -m set units to metric (mm, default)\n"
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" -f out-file write filtered output to out-file\n"
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, name, name);
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exit(1);
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}
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int main(int argc, char **argv)
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{
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const char *filtered = NULL;
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int metric = 1;
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double arg[MAX_ARGS];
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int n_arg = 0;
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char *end;
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double tmp;
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int i;
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for (i = 1; i != argc; i++) {
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if (*argv[i] != '-') {
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if (n_arg == MAX_ARGS)
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usage(*argv);
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tmp = strtod(argv[i], &end);
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if (*end)
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usage(*argv);
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if (!metric)
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tmp = MIL2MM(tmp);
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arg[n_arg++] = tmp;
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continue;
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}
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switch (argv[i][1]) {
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case 'i':
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if (argv[i][2])
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usage(*argv);
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metric = 0;
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break;
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case 'm':
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if (argv[i][2])
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usage(*argv);
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metric = 1;
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break;
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case 'f':
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if (filtered)
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usage(*argv);
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if (argv[i][2])
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filtered = argv[i]+2;
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else {
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i++;
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if (i == argc)
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usage(*argv);
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filtered = argv[i];
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}
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break;
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default:
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usage(*argv);
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}
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}
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depth = arg[0];
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d0 = arg[1];
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d1 = arg[2];
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switch (n_arg) {
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case 2:
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d1 = d0;
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mill = 0;
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break;
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case 3:
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mill = 1;
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break;
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default:
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usage(*argv);
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}
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header();
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body();
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return 0;
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}
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