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| 1 | /* |
| 2 | * spool.c - Send a file to a Roland MDX series CNC mill |
| 3 | * |
| 4 | * Written 2009, 2010, 2012 by Werner Almesberger |
| 5 | * Copyright 2009, 2010, 2012 Werner Almesberger |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | */ |
| 12 | |
| 13 | |
| 14 | #include <stdlib.h> |
| 15 | #include <stdio.h> |
| 16 | #include <unistd.h> |
| 17 | |
| 18 | #include "serial.h" |
| 19 | |
| 20 | |
| 21 | #define DEFAULT_PORT "/dev/ttyS0" |
| 22 | #define BUF_SIZE 8192 |
| 23 | |
| 24 | |
| 25 | static void spool_file(FILE *file) |
| 26 | { |
| 27 | char buf[BUF_SIZE+1]; |
| 28 | size_t n; |
| 29 | |
| 30 | while (1) { |
| 31 | n = fread(buf, 1, BUF_SIZE, file); |
| 32 | if (!n) |
| 33 | break; |
| 34 | buf[n] = 0; |
| 35 | serial_printf("%s", buf); |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | |
| 40 | static void usage(const char *name) |
| 41 | { |
| 42 | fprintf(stderr, "usage: %s [file ...]\n", name); |
| 43 | exit(1); |
| 44 | } |
| 45 | |
| 46 | |
| 47 | int main(int argc, const char **argv) |
| 48 | { |
| 49 | FILE **files; |
| 50 | char *port; |
| 51 | int n_files, i; |
| 52 | |
| 53 | /* |
| 54 | * Open all files before starting to spool, so that we don't risk |
| 55 | * failing in the middle of the job. |
| 56 | */ |
| 57 | n_files = argc == 1 ? 1 : argc-1; |
| 58 | files = malloc(sizeof(FILE *)); |
| 59 | if (!files) { |
| 60 | perror("malloc"); |
| 61 | exit(1); |
| 62 | } |
| 63 | |
| 64 | if (argc == 1) { |
| 65 | *files = stdin; |
| 66 | } else { |
| 67 | if (*argv[1] == '-') |
| 68 | usage(*argv); |
| 69 | for (i = 0; i != n_files; i++) { |
| 70 | files[i] = fopen(argv[i+1], "r"); |
| 71 | if (!files[i]) { |
| 72 | perror(argv[i+1]); |
| 73 | exit(1); |
| 74 | } |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | port = getenv("PORT"); |
| 79 | serial_open(port ? port : DEFAULT_PORT); |
| 80 | for (i = 0; i != n_files; i++) |
| 81 | spool_file(files[i]); |
| 82 | sleep(3600); |
| 83 | serial_close(); |
| 84 | return 0; |
| 85 | } |
| 86 |
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