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annotate rvinterf/rvtdump.c @ 126:811b138f1bed

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rvtdump utility written, compiles
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Thu, 31 Oct 2013 19:59:16 +0000
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children f4f0c8738dcb
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126
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /*
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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2 * This program reads bytes from a serial port, parses them assuming
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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3 * TI's RVT MUX format, and prints every decoded packet.
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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4 */
811b138f1bed rvtdump utility written, compiles
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5
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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6 #include <sys/types.h>
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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7 #include <sys/errno.h>
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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8 #include <stdio.h>
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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9 #include <stdlib.h>
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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10 #include <unistd.h>
811b138f1bed rvtdump utility written, compiles
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11
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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12 extern int target_fd;
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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13 extern char *baudrate_name;
811b138f1bed rvtdump utility written, compiles
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14
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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15 main(argc, argv)
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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16 char **argv;
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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17 {
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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18 extern char *optarg;
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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19 extern int optind;
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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20 int c;
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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21 fd_set fds;
811b138f1bed rvtdump utility written, compiles
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22
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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23 while ((c = getopt(argc, argv, "b:d:")) != EOF)
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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24 switch (c) {
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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25 case 'b':
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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26 baudrate_name = optarg;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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27 continue;
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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28 case 'd':
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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29 target_fd = atoi(optarg);
811b138f1bed rvtdump utility written, compiles
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30 continue;
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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31 case '?':
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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32 default:
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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33 usage: fprintf(stderr,
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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34 "usage: %s [-b baudrate] ttyport\n", argv[0]);
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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35 exit(1);
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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36 }
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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37 if (target_fd <= 0) {
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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38 if (argc - optind != 1)
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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39 goto usage;
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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40 open_target_serial(argv[optind]);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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41 }
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42
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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43 set_serial_nonblock(0);
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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44 for (;;) {
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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45 FD_ZERO(&fds);
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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46 FD_SET(target_fd, &fds);
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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47 c = select(target_fd+1, &fds, 0, 0, 0);
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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48 if (c < 0) {
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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49 if (errno == EINTR)
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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50 continue;
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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51 perror("select");
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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52 exit(1);
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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53 }
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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54 if (FD_ISSET(target_fd, &fds))
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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55 process_serial_rx();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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56 }
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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57 }
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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58
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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59 handle_rx_packet()
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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60 {
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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61 print_rx_packet();
811b138f1bed rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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62 }