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comparison hrutil/tw5b-dump.c @ 559:707d6f7a54dc default tip

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hrutil: new program tw5b-dump
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 06 Feb 2025 09:32:18 +0000
parents miscutil/tw5a-dump.c@86d4ec69b36c
children
comparison
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558:a81ce3cd38a7 559:707d6f7a54dc
1 /*
2 * This program reads a TW-TS-005 Annex B hexadecimal file
3 * and dumps all frames in human-readable form.
4 */
5
6 #include <stdio.h>
7 #include <stdint.h>
8 #include <stdlib.h>
9 #include <string.h>
10 #include <strings.h>
11 #include "../libgsmhr1/tw_gsmhr.h"
12 #include "../libtest/tw5reader.h"
13
14 main(argc, argv)
15 char **argv;
16 {
17 FILE *hexf;
18 unsigned lineno;
19 uint8_t frame[TWTS005_MAX_FRAME];
20 unsigned frame_len, ft;
21 int16_t params[GSMHR_NUM_PARAMS];
22 int rc;
23
24 if (argc != 2) {
25 fprintf(stderr, "usage: %s hex-file\n", argv[0]);
26 exit(1);
27 }
28 hexf = fopen(argv[1], "r");
29 if (!hexf) {
30 perror(argv[1]);
31 exit(1);
32 }
33 lineno = 0;
34 for (;;) {
35 rc = twts005_read_frame(hexf, &lineno, frame, &frame_len);
36 if (rc < 0) {
37 fprintf(stderr, "%s line %u: not valid TW-TS-005\n",
38 argv[1], lineno);
39 exit(1);
40 }
41 if (!rc)
42 break;
43 switch (frame_len) {
44 case 0:
45 printf("line %u: NULL frame\n", lineno);
46 break;
47 case 1:
48 if (frame[0] & 0x80)
49 goto invalid;
50 ft = frame[0] >> 4;
51 switch (ft) {
52 case 1:
53 printf("line %u: Invalid_SID frame\n", lineno);
54 break;
55 case 7:
56 printf("line %u: No_Data frame\n", lineno);
57 break;
58 default:
59 goto invalid;
60 }
61 printf(" ToC=%02X (DTXd=%u UFI=%u TAF=%u)\n", frame[0],
62 (frame[0] >> 3) & 1, (frame[0] >> 1) & 1,
63 frame[0] & 1);
64 break;
65 case GSMHR_FRAME_LEN_RPF:
66 printf("line %u: TS 101 318 frame\n", lineno);
67 gsmhr_unpack_ts101318(frame, params);
68 print_frame_params(params);
69 break;
70 case GSMHR_FRAME_LEN_5993:
71 if (frame[0] & 0x80)
72 goto invalid;
73 ft = frame[0] >> 4;
74 switch (ft) {
75 case 0:
76 printf("line %u: good speech frame\n", lineno);
77 break;
78 case 2:
79 printf("line %u: good SID frame\n", lineno);
80 break;
81 case 6:
82 printf("line %u: bad speech frame\n", lineno);
83 break;
84 default:
85 goto invalid;
86 }
87 printf(" ToC=%02X (DTXd=%u UFI=%u TAF=%u)\n", frame[0],
88 (frame[0] >> 3) & 1, (frame[0] >> 1) & 1,
89 frame[0] & 1);
90 gsmhr_unpack_ts101318(frame + 1, params);
91 print_frame_params(params);
92 break;
93 default:
94 invalid:
95 fprintf(stderr,
96 "%s line %u: not a valid GSM-HR frame\n",
97 argv[1], lineno);
98 exit(1);
99 }
100 }
101 exit(0);
102 }