FreeCalypso > hg > vband-misc

annotate utils/gen-hex-lines.c @ 51:914eeb3ab866

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efr-sid OS#6538: generate test frames in hex form
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 12 Aug 2024 03:06:17 +0000
parents utils/gen-hex-c.c@871e83f0cb76
children
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871e83f0cb76 utils: gen-hex-c utility written
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1 /*
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914eeb3ab866 efr-sid OS#6538: generate test frames in hex form
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2 * This program reads an arbitrary binary file and converts it into ASCII hex
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3 * output with a specified number of bytes per line. The intended purpose
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4 * is to convert gsmx files (FR or EFR) into hex files with one frame per line.
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5 */
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6
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9
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10 main(argc, argv)
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11 char **argv;
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12 {
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13 FILE *inf, *outf;
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14 int c, lcnt, bpl;
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15
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16 if (argc != 4) {
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17 fprintf(stderr,
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18 "usage: %s input.bin output.hex bytes-per-line\n",
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19 argv[0]);
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20 exit(1);
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21 }
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22 inf = fopen(argv[1], "r");
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23 if (!inf) {
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24 perror(argv[1]);
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25 exit(1);
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26 }
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27 outf = fopen(argv[2], "w");
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28 if (!outf) {
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29 perror(argv[2]);
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30 exit(1);
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31 }
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32 bpl = atoi(argv[3]);
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33 lcnt = 0;
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34 for (;;) {
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35 c = getc(inf);
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36 if (c < 0)
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37 break;
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38 fprintf(outf, "%02X", c);
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39 lcnt++;
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40 if (lcnt >= bpl) {
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41 putc('\n', outf);
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42 lcnt = 0;
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43 }
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44 }
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45 if (lcnt)
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46 putc('\n', outf);
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47 exit(0);
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48 }