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annotate utils/gen-hex-c.c @ 34:307fe06fabec

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dhf: generate EFR hex DHF in C form
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 14 May 2024 03:36:31 +0000
parents 871e83f0cb76
children
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871e83f0cb76 utils: gen-hex-c utility written
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1 /*
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2 * This program reads an arbitrary binary file and converts it into
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3 * ASCII hex output of the form '0xXX,0xXX,...' intended for inclusion
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4 * into C sources as a const char array.
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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;
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15
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16 if (argc != 3) {
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17 fprintf(stderr, "usage: %s input.bin output.c\n", argv[0]);
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18 exit(1);
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19 }
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20 inf = fopen(argv[1], "r");
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21 if (!inf) {
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22 perror(argv[1]);
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23 exit(1);
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24 }
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25 outf = fopen(argv[2], "w");
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26 if (!outf) {
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27 perror(argv[2]);
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28 exit(1);
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29 }
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30 lcnt = 0;
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31 for (;;) {
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32 c = getc(inf);
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33 if (c < 0)
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34 break;
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35 fprintf(outf, "0x%02X,", c);
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36 lcnt++;
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37 if (lcnt >= 16) {
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38 putc('\n', outf);
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39 lcnt = 0;
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40 }
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41 }
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42 if (lcnt)
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43 putc('\n', outf);
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44 exit(0);
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45 }