FreeCalypso > hg > freecalypso-tools
annotate rvinterf/lowlevel/rvtdump.c @ 238:08ad558c1fbc
CHANGES: exitcodes.h addition documented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 20 Aug 2017 18:40:03 +0000 |
parents | 7168f63fc3b8 |
children | 6f078c4a5506 |
rev | line source |
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0
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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 |
222
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26 static char keepalive_msg[] = |
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27 "Received keepalive query, unable to respond, please run rvinterf"; |
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28 |
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29 main(argc, argv) |
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30 char **argv; |
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31 { |
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32 extern char *optarg; |
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33 extern int optind; |
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34 int c; |
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35 fd_set fds; |
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36 |
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37 while ((c = getopt(argc, argv, "bB:d:l:")) != EOF) |
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38 switch (c) { |
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39 case 'b': |
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40 background++; |
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41 no_output++; /* for output.c */ |
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42 continue; |
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43 case 'B': |
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44 baudrate_name = optarg; |
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45 continue; |
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46 case 'd': |
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47 target_fd = atoi(optarg); |
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48 continue; |
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49 case 'l': |
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50 logfname = optarg; |
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51 continue; |
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52 case '?': |
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53 default: |
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54 usage: fprintf(stderr, |
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55 "usage: %s [options] ttyport\n", argv[0]); |
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56 exit(1); |
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57 } |
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58 if (background && !logfname) { |
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59 fprintf(stderr, "%s: -b is meaningless without -l\n", argv[0]); |
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60 exit(1); |
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61 } |
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62 if (target_fd <= 0) { |
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63 if (argc - optind != 1) |
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64 goto usage; |
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65 open_target_serial(argv[optind]); |
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66 } |
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67 |
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68 set_serial_nonblock(0); |
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69 setlinebuf(stdout); |
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70 if (logfname) { |
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71 logF = fopen(logfname, "w"); |
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72 if (!logF) { |
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73 perror(logfname); |
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74 exit(1); |
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75 } |
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76 setlinebuf(logF); |
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77 fprintf(logF, "*** Log of decoded RVT output ***\n"); |
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78 } |
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79 if (background) { |
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80 c = fork(); |
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81 if (c < 0) { |
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82 perror("fork"); |
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83 exit(1); |
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84 } |
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85 if (c) { |
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86 printf("rvtdump forked into background (pid %d)\n", c); |
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87 exit(0); |
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88 } |
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89 } |
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90 for (;;) { |
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91 FD_ZERO(&fds); |
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92 FD_SET(target_fd, &fds); |
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93 c = select(target_fd+1, &fds, 0, 0, 0); |
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94 time(&logtime); |
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95 if (c < 0) { |
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96 if (errno == EINTR) |
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97 continue; |
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98 perror("select"); |
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99 exit(1); |
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100 } |
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101 if (FD_ISSET(target_fd, &fds)) |
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102 process_serial_rx(); |
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103 } |
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104 } |
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105 |
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106 handle_rx_packet() |
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107 { |
e7502631a0f9
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
108 switch (rxpkt[0]) { |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
109 case RVT_RV_HEADER: |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
110 if (rxpkt_len < 6) |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
111 goto unknown; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
112 print_rv_trace(); |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
113 return; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
114 case RVT_L1_HEADER: |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
115 print_l1_trace(); |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
116 return; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
117 case RVT_L23_HEADER: |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
118 print_g23_trace(); |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
119 return; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
120 case RVT_TM_HEADER: |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
121 print_tm_output_raw(); |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
122 return; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
123 case RVT_AT_HEADER: |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
124 print_ati_output(); |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
125 return; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
126 case RVT_EXTUI_HEADER: |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
127 if (rxpkt_len < 5 || !(rxpkt_len & 1)) |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
128 goto unknown; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
129 report_extui_packet(); |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
130 return; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
131 case RVT_TCH_HEADER: |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
132 print_tch_output_raw(); |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
133 return; |
222
7168f63fc3b8
rvinterf: implemented keepalive mechanism
Mychaela Falconia <falcon@freecalypso.org>
parents:
0
diff
changeset
|
134 case RVT_KEEPALIVE_HEADER: |
7168f63fc3b8
rvinterf: implemented keepalive mechanism
Mychaela Falconia <falcon@freecalypso.org>
parents:
0
diff
changeset
|
135 if (rxpkt_len != 2 || rxpkt[1] != 'Q') |
7168f63fc3b8
rvinterf: implemented keepalive mechanism
Mychaela Falconia <falcon@freecalypso.org>
parents:
0
diff
changeset
|
136 goto unknown; |
7168f63fc3b8
rvinterf: implemented keepalive mechanism
Mychaela Falconia <falcon@freecalypso.org>
parents:
0
diff
changeset
|
137 output_line(keepalive_msg); |
7168f63fc3b8
rvinterf: implemented keepalive mechanism
Mychaela Falconia <falcon@freecalypso.org>
parents:
0
diff
changeset
|
138 return; |
0
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
139 case '*': |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
140 print_fc_lld_msg(); |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
141 return; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
142 default: |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
143 unknown: |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
144 print_unknown_packet(); |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
145 } |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
146 } |