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comparison hrutil/hex2rpf.c @ 566:62fe499ffc15

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hrutil: new program gsmhr-hex2rpf
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 12 Feb 2025 01:48:01 +0000
parents hrutil/hex2dec.c@ec146b5b9c91
children
comparison
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565:ec146b5b9c91 566:62fe499ffc15
1 /*
2 * This program reads a TW-TS-005 Annex B hexadecimal file and converts it to
3 * ETSI TS 101 318 raw packed format (good frames only, 14 bytes per frame).
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 *inf, *outf;
18 unsigned lineno;
19 uint8_t frame[TWTS005_MAX_FRAME], canon[GSMHR_FRAME_LEN_5993];
20 unsigned frame_len, ft;
21 int rc;
22
23 if (argc != 3) {
24 fprintf(stderr, "usage: %s input.hex output.hrpf\n", argv[0]);
25 exit(1);
26 }
27 inf = fopen(argv[1], "r");
28 if (!inf) {
29 perror(argv[1]);
30 exit(1);
31 }
32 outf = fopen(argv[2], "w");
33 if (!outf) {
34 perror(argv[2]);
35 exit(1);
36 }
37
38 lineno = 0;
39 for (;;) {
40 rc = twts005_read_frame(inf, &lineno, frame, &frame_len);
41 if (rc < 0) {
42 fprintf(stderr, "%s line %u: not valid TW-TS-005\n",
43 argv[1], lineno);
44 exit(1);
45 }
46 if (!rc)
47 break;
48 rc = gsmhr_rtp_in_preen(frame, frame_len, canon);
49 if (rc < 0) {
50 fprintf(stderr,
51 "%s line %u: not a valid GSM-HR frame\n",
52 argv[1], lineno);
53 exit(1);
54 }
55 ft = canon[0] >> 4;
56 switch (ft) {
57 case 0:
58 break;
59 case 2:
60 gsmhr_ts101318_set_sid_codeword(canon + 1);
61 break;
62 default:
63 fprintf(stderr,
64 "%s line %u: frame type %u not valid for RPF\n",
65 argv[1], lineno, ft);
66 exit(1);
67 }
68 fwrite(canon + 1, 1, GSMHR_FRAME_LEN_RPF, outf);
69 }
70 exit(0);
71 }