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6271d5f721
From http://svn.openmoko.org/developers/werner/cncmap/spool/ Fixed a buffer termination bug that caused the mill to do strange (yet almost always harmless) things at the end of a job.
66 lines
1.1 KiB
C
66 lines
1.1 KiB
C
/*
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* spool.c - Send a file to a Roland MDX series CNC mill
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*
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* Written 2009, 2010, 2012 by Werner Almesberger
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* Copyright 2009, 2010, 2012 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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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "serial.h"
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#define DEFAULT_PORT "/dev/ttyS0"
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#define BUF_SIZE 8192
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static void usage(const char *name)
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{
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fprintf(stderr, "usage: %s [file]\n", name);
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exit(1);
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}
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int main(int argc, const char **argv)
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{
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FILE *file;
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char buf[BUF_SIZE+1];
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size_t n;
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char *port;
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switch (argc) {
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case 1:
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file = stdin;
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break;
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case 2:
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file = fopen(argv[1], "r");
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if (!file) {
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perror(argv[1]);
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exit(1);
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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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port = getenv("PORT");
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serial_open(port ? port : DEFAULT_PORT);
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while (1) {
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n = fread(buf, 1, BUF_SIZE, file);
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if (!n)
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break;
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buf[n] = 0;
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serial_printf("%s", buf);
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}
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sleep(3600);
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serial_close();
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return 0;
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}
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