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86 lines
1.5 KiB
C
86 lines
1.5 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 spool_file(FILE *file)
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{
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char buf[BUF_SIZE+1];
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size_t n;
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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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}
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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 **files;
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char *port;
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int n_files, i;
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/*
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* Open all files before starting to spool, so that we don't risk
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* failing in the middle of the job.
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*/
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n_files = argc == 1 ? 1 : argc-1;
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files = malloc(sizeof(FILE *));
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if (!files) {
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perror("malloc");
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exit(1);
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}
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if (argc == 1) {
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*files = stdin;
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} else {
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if (*argv[1] == '-')
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usage(*argv);
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for (i = 0; i != n_files; i++) {
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files[i] = fopen(argv[i+1], "r");
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if (!files[i]) {
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perror(argv[i+1]);
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exit(1);
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}
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}
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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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for (i = 0; i != n_files; i++)
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spool_file(files[i]);
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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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