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annotate hrutil/hex2rpf.c @ 584:fc7a59deb3c3 default tip

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hrutil: new program gsmhr-tfo-xfrm
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 14 Feb 2025 01:34:48 +0000
parents 62fe499ffc15
children
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1 /*
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2 * This program reads a TW-TS-005 Annex B hexadecimal file and converts it to
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3 * ETSI TS 101 318 raw packed format (good frames only, 14 bytes per frame).
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4 */
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5
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6 #include <stdio.h>
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7 #include <stdint.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include "../libgsmhr1/tw_gsmhr.h"
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12 #include "../libtest/tw5reader.h"
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13
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14 main(argc, argv)
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15 char **argv;
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16 {
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17 FILE *inf, *outf;
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18 unsigned lineno;
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19 uint8_t frame[TWTS005_MAX_FRAME], canon[GSMHR_FRAME_LEN_5993];
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20 unsigned frame_len, ft;
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21 int rc;
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22
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23 if (argc != 3) {
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24 fprintf(stderr, "usage: %s input.hex output.hrpf\n", argv[0]);
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25 exit(1);
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26 }
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27 inf = fopen(argv[1], "r");
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28 if (!inf) {
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29 perror(argv[1]);
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30 exit(1);
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31 }
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32 outf = fopen(argv[2], "w");
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33 if (!outf) {
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34 perror(argv[2]);
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35 exit(1);
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36 }
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37
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38 lineno = 0;
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39 for (;;) {
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40 rc = twts005_read_frame(inf, &lineno, frame, &frame_len);
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41 if (rc < 0) {
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42 fprintf(stderr, "%s line %u: not valid TW-TS-005\n",
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43 argv[1], lineno);
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44 exit(1);
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45 }
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46 if (!rc)
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47 break;
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48 rc = gsmhr_rtp_in_preen(frame, frame_len, canon);
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49 if (rc < 0) {
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50 fprintf(stderr,
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51 "%s line %u: not a valid GSM-HR frame\n",
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52 argv[1], lineno);
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53 exit(1);
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54 }
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55 ft = canon[0] >> 4;
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56 switch (ft) {
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57 case 0:
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58 break;
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59 case 2:
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60 gsmhr_ts101318_set_sid_codeword(canon + 1);
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61 break;
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62 default:
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63 fprintf(stderr,
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64 "%s line %u: frame type %u not valid for RPF\n",
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65 argv[1], lineno, ft);
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66 exit(1);
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67 }
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68 fwrite(canon + 1, 1, GSMHR_FRAME_LEN_RPF, outf);
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69 }
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70 exit(0);
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71 }