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annotate rvinterf/rvtdump.c @ 133:56b53c289785

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rvtdump: some restructuring
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 02 Nov 2013 22:24:14 +0000
parents f4f0c8738dcb
children e0d56e9be8a2
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811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /*
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2 * This program reads bytes from a serial port, parses them assuming
811b138f1bed rvtdump utility written, compiles
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3 * TI's RVT MUX format, and prints every decoded packet.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <sys/errno.h>
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8 #include <stdio.h>
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9 #include <stdlib.h>
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10 #include <unistd.h>
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11
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12 extern int target_fd;
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13 extern char *baudrate_name;
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14
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15 extern char pr_item[];
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16
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17 main(argc, argv)
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18 char **argv;
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19 {
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20 extern char *optarg;
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21 extern int optind;
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22 int c;
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23 fd_set fds;
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24
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25 while ((c = getopt(argc, argv, "b:d:")) != EOF)
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26 switch (c) {
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27 case 'b':
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28 baudrate_name = optarg;
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29 continue;
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30 case 'd':
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31 target_fd = atoi(optarg);
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32 continue;
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33 case '?':
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34 default:
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35 usage: fprintf(stderr,
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36 "usage: %s [-b baudrate] ttyport\n", argv[0]);
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37 exit(1);
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38 }
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39 if (target_fd <= 0) {
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40 if (argc - optind != 1)
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41 goto usage;
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42 open_target_serial(argv[optind]);
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43 }
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44
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45 set_serial_nonblock(0);
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f4f0c8738dcb rvtdump: satisfactory handling of output from Pirelli's fw
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46 setlinebuf(stdout);
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47 for (;;) {
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48 FD_ZERO(&fds);
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49 FD_SET(target_fd, &fds);
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50 c = select(target_fd+1, &fds, 0, 0, 0);
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51 if (c < 0) {
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52 if (errno == EINTR)
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53 continue;
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54 perror("select");
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55 exit(1);
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56 }
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57 if (FD_ISSET(target_fd, &fds))
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58 process_serial_rx();
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59 }
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60 }
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61
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62 handle_rx_packet()
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63 {
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64 print_rx_packet();
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65 }
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66
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67 print_item()
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68 {
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69 printf("%s\n", pr_item);
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70 }