git.gag.com Git - fw/altos/blob - ao-tools/ao-dumplog/ao-dumplog.c

   1 /*
   2  * Copyright © 2009 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <unistd.h>
  22 #include <getopt.h>
  23 #include "cc-usb.h"
  24 #include "cc.h"
  25
  26 #define NUM_BLOCK       512
  27
  28 static const struct option options[] = {
  29         { .name = "tty", .has_arg = 1, .val = 'T' },
  30         { .name = "device", .has_arg = 1, .val = 'D' },
  31         { 0, 0, 0, 0},
  32 };
  33
  34 static void usage(char *program)
  35 {
  36         fprintf(stderr, "usage: %s [--tty <tty-name>] [--device <device-name>\n", program);
  37         exit(1);
  38 }
  39
  40 int
  41 main (int argc, char **argv)
  42 {
  43         struct cc_usb   *cc;
  44         char            *tty = NULL;
  45         char            *device = NULL;
  46         int             c;
  47         char            line[8192];
  48         FILE            *out;
  49         char            *filename;
  50         int             serial_number;
  51         char            cmd;
  52         int             tick, a, b;
  53
  54         while ((c = getopt_long(argc, argv, "T:D:", options, NULL)) != -1) {
  55                 switch (c) {
  56                 case 'T':
  57                         tty = optarg;
  58                         break;
  59                 case 'D':
  60                         device = optarg;
  61                         break;
  62                 default:
  63                         usage(argv[0]);
  64                         break;
  65                 }
  66         }
  67         if (!tty)
  68                 tty = cc_usbdevs_find_by_arg(device, "TeleMetrum");
  69         if (!tty)
  70                 tty = getenv("ALTOS_TTY");
  71         if (!tty)
  72                 tty="/dev/ttyACM0";
  73         cc = cc_usb_open(tty);
  74         if (!cc)
  75                 exit(1);
  76         /* send a 'version' command followed by a 'log' command */
  77         cc_usb_printf(cc, "v\nl\n");
  78         out = NULL;
  79         for (;;) {
  80                 cc_usb_getline(cc, line, sizeof (line));
  81                 if (!strcmp (line, "end"))
  82                         break;
  83                 if (sscanf(line, "serial-number %u", &serial_number) == 1) {
  84                         filename = cc_make_filename(serial_number, "eeprom");
  85                         out = fopen (filename, "w");
  86                         if (!out) {
  87                                 perror(filename);
  88                         }
  89                         fprintf (out, "%s\n", line);
  90                 } else if (sscanf(line, "%c %x %x %x", &cmd, &tick, &a, &b) == 4) {
  91                         if (out) {
  92                                 fprintf(out, "%s\n", line);
  93                                 if (cmd == 'S' && a == 8) {
  94                                         fclose(out);
  95                                         out = NULL;
  96                                 }
  97                         }
  98                 }
  99         }
 100         if (out)
 101                 fclose (out);
 102         cc_usb_close(cc);
 103         exit (0);
 104 }