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comparison hrutil/dec2hex.c @ 568:0affb05c2ce2

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hrutil: new program gsmhr-dec2hex
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 12 Feb 2025 03:29:52 +0000
parents hrutil/cod2hex.c@cf62fe9fac3a
children
comparison
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567:2fcb6b27ee9b 568:0affb05c2ce2
1 /*
2 * This program reads an HRv1 *.dec file in ETSI test sequence format
3 * (decoder input format) and converts it into TW-TS-005 Annex B
4 * hexadecimal format.
5 */
6
7 #include <stdio.h>
8 #include <stdint.h>
9 #include <stdlib.h>
10 #include <string.h>
11 #include <strings.h>
12 #include <unistd.h>
13 #include "../libgsmhr1/tw_gsmhr.h"
14 #include "../libtest/tw5writer.h"
15 #include "../libtest/local_endian.h"
16
17 static int
18 convert_ft(bfi, sid)
19 {
20 switch (sid) {
21 case 0:
22 switch (bfi) {
23 case 0:
24 return 0;
25 case 1:
26 return 6;
27 case 2:
28 return 7;
29 }
30 break;
31 case 1:
32 return 1;
33 case 2:
34 switch (bfi) {
35 case 0:
36 return 2;
37 case 1:
38 case 2:
39 return 1;
40 }
41 }
42 abort();
43 }
44
45 main(argc, argv)
46 char **argv;
47 {
48 char *infname, *outfname;
49 FILE *inf, *outf;
50 int opt, rc, big_endian, ft;
51 unsigned frame_no;
52 int16_t params[GSMHR_NUM_PARAMS_DEC];
53 uint8_t frame_out[GSMHR_FRAME_LEN_5993];
54 extern int optind;
55
56 big_endian = is_native_big_endian();
57 while ((opt = getopt(argc, argv, "bl")) != EOF) {
58 switch (opt) {
59 case 'b':
60 big_endian = 1;
61 continue;
62 case 'l':
63 big_endian = 0;
64 continue;
65 default:
66 usage:
67 fprintf(stderr,
68 "usage: %s [-b|-l] input.dec output.hex\n",
69 argv[0]);
70 exit(1);
71 }
72 }
73 if (argc != optind + 2)
74 goto usage;
75 infname = argv[optind];
76 outfname = argv[optind+1];
77
78 inf = fopen(infname, "r");
79 if (!inf) {
80 perror(infname);
81 exit(1);
82 }
83 outf = fopen(outfname, "w");
84 if (!outf) {
85 perror(outfname);
86 exit(1);
87 }
88
89 for (frame_no = 0; ; frame_no++) {
90 rc = read_dec_frame(inf, big_endian, params, infname, frame_no);
91 if (!rc)
92 break;
93 ft = convert_ft(params[18], params[20]);
94 frame_out[0] = ft << 4;
95 if (params[19])
96 frame_out[0] |= 0x02;
97 if (params[21])
98 frame_out[0] |= 0x01;
99 switch (ft) {
100 case 0:
101 case 2:
102 case 6:
103 gsmhr_pack_ts101318(params, frame_out + 1);
104 emit_hex_frame(outf, frame_out, GSMHR_FRAME_LEN_5993);
105 break;
106 case 1:
107 case 7:
108 emit_hex_frame(outf, frame_out, 1);
109 break;
110 default:
111 abort();
112 }
113 }
114 exit(0);
115 }