FreeCalypso > hg > freecalypso-sw
annotate rvinterf/old/rvtdump.c @ 838:a963ff26848a
gdi/ffs_coat.c: added boilerplate includes just in case
author | Space Falcon <falcon@ivan.Harhan.ORG> |
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date | Sat, 25 Apr 2015 19:27:04 +0000 |
parents | f42854da4563 |
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rev | line source |
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1 /* |
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2 * This program reads bytes from a serial port, parses them assuming |
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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 #include <time.h> |
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12 |
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13 extern int target_fd; |
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14 extern char *baudrate_name; |
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15 |
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16 extern char pr_item[]; |
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17 extern int sendsock_fd; |
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18 |
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19 char *logfname; |
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20 FILE *logF; |
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21 time_t logtime; |
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22 int background, sendsock_enable; |
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23 |
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24 main(argc, argv) |
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25 char **argv; |
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26 { |
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27 extern char *optarg; |
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28 extern int optind; |
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29 int c, maxfd; |
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30 fd_set fds; |
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31 |
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32 while ((c = getopt(argc, argv, "bB:d:l:s")) != EOF) |
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33 switch (c) { |
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34 case 'b': |
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35 background++; |
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36 continue; |
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37 case 'B': |
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38 baudrate_name = optarg; |
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39 continue; |
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40 case 'd': |
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41 target_fd = atoi(optarg); |
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42 continue; |
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43 case 'l': |
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44 logfname = optarg; |
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45 continue; |
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46 case 's': |
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47 sendsock_enable++; |
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48 continue; |
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49 case '?': |
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50 default: |
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51 usage: fprintf(stderr, |
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52 "usage: %s [options] ttyport\n", argv[0]); |
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53 exit(1); |
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54 } |
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55 if (background && !logfname) { |
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56 fprintf(stderr, "%s: -b is meaningless without -l\n", argv[0]); |
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57 exit(1); |
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58 } |
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59 if (target_fd <= 0) { |
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60 if (argc - optind != 1) |
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61 goto usage; |
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62 open_target_serial(argv[optind]); |
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63 } |
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64 |
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65 set_serial_nonblock(0); |
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66 setlinebuf(stdout); |
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67 if (logfname) { |
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68 logF = fopen(logfname, "w"); |
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69 if (!logF) { |
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70 perror(logfname); |
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71 exit(1); |
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72 } |
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73 fprintf(logF, "*** Log of decoded RVT output ***\n"); |
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74 setlinebuf(logF); |
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75 } |
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76 if (sendsock_enable) |
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77 create_send_socket(); |
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78 if (background) { |
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79 c = fork(); |
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80 if (c < 0) { |
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81 perror("fork"); |
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82 exit(1); |
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83 } |
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84 if (c) { |
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85 printf("rvtdump forked into background (pid %d)\n", c); |
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86 exit(0); |
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87 } |
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88 } |
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89 maxfd = target_fd; |
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90 if (sendsock_fd > maxfd) |
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91 maxfd = sendsock_fd; |
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92 for (;;) { |
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93 FD_ZERO(&fds); |
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94 FD_SET(target_fd, &fds); |
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95 if (sendsock_enable) |
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96 FD_SET(sendsock_fd, &fds); |
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97 c = select(maxfd+1, &fds, 0, 0, 0); |
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98 time(&logtime); |
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99 if (c < 0) { |
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100 if (errno == EINTR) |
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101 continue; |
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102 perror("select"); |
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103 exit(1); |
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104 } |
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105 if (FD_ISSET(target_fd, &fds)) |
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106 process_serial_rx(); |
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107 if (FD_ISSET(sendsock_fd, &fds)) |
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108 handle_sendsock(); |
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109 } |
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110 } |
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111 |
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112 handle_rx_packet() |
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113 { |
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114 print_rx_packet(); |
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115 } |
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116 |
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117 print_item() |
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118 { |
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119 if (!background) |
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120 printf("%s\n", pr_item); |
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rvtdump: time-stamped logging implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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121 if (logF) |
e0d56e9be8a2
rvtdump: time-stamped logging implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
133
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122 log_item(); |
133
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rvtdump: some restructuring
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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123 } |