FreeCalypso > hg > freecalypso-sw
annotate rvinterf/lowlevel/rvtdump.c @ 681:461ab5b255f5
alr_nc.c compiles
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Mon, 29 Sep 2014 19:57:11 +0000 |
parents | 1171c32a637b |
children | d527ac304ad5 |
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 #include "../include/pktmux.h" |
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13 |
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14 extern int target_fd; |
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15 extern char *baudrate_name; |
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16 |
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17 extern u_char rxpkt[]; |
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18 extern size_t rxpkt_len; |
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19 |
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20 char *logfname; |
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21 FILE *logF; |
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22 time_t logtime; |
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23 int background; |
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24 int no_output; /* for output.c */ |
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25 |
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26 main(argc, argv) |
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27 char **argv; |
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28 { |
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29 extern char *optarg; |
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30 extern int optind; |
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31 int c; |
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32 fd_set fds; |
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33 |
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34 while ((c = getopt(argc, argv, "bB:d:l:")) != EOF) |
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35 switch (c) { |
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36 case 'b': |
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37 background++; |
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38 no_output++; /* for output.c */ |
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39 continue; |
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40 case 'B': |
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41 baudrate_name = optarg; |
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42 continue; |
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43 case 'd': |
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44 target_fd = atoi(optarg); |
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45 continue; |
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46 case 'l': |
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47 logfname = optarg; |
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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 setlinebuf(logF); |
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74 fprintf(logF, "*** Log of decoded RVT output ***\n"); |
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75 } |
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76 if (background) { |
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77 c = fork(); |
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78 if (c < 0) { |
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79 perror("fork"); |
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80 exit(1); |
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81 } |
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82 if (c) { |
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83 printf("rvtdump forked into background (pid %d)\n", c); |
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84 exit(0); |
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85 } |
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86 } |
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87 for (;;) { |
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88 FD_ZERO(&fds); |
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89 FD_SET(target_fd, &fds); |
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90 c = select(target_fd+1, &fds, 0, 0, 0); |
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91 time(&logtime); |
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92 if (c < 0) { |
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93 if (errno == EINTR) |
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94 continue; |
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95 perror("select"); |
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96 exit(1); |
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97 } |
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98 if (FD_ISSET(target_fd, &fds)) |
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99 process_serial_rx(); |
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100 } |
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101 } |
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102 |
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103 handle_rx_packet() |
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104 { |
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105 switch (rxpkt[0]) { |
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106 case RVT_RV_HEADER: |
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107 if (rxpkt_len < 6) |
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108 goto unknown; |
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109 print_rv_trace(); |
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110 return; |
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111 case RVT_L1_HEADER: |
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112 print_l1_trace(); |
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113 return; |
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114 case RVT_L23_HEADER: |
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115 print_g23_trace(); |
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116 return; |
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117 case RVT_TM_HEADER: |
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118 print_etm_output_raw(); |
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119 return; |
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rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
173
diff
changeset
|
120 default: |
3256dc6e84ae
rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
173
diff
changeset
|
121 unknown: |
3256dc6e84ae
rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
173
diff
changeset
|
122 print_unknown_packet(); |
3256dc6e84ae
rvinterf: refactored rvtdump compiles and works
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
173
diff
changeset
|
123 } |
126
811b138f1bed
rvtdump utility written, compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
124 } |