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annotate ffstools/tiaud/mkvol.c @ 611:c847d742ab38

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doc/Loadtools-performance: article started
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 24 Feb 2020 21:44:13 +0000
parents 1f3b28d66d53
children
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1f3b28d66d53 tiaud-mkvol program written
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
1f3b28d66d53 tiaud-mkvol program written
Mychaela Falconia <falcon@freecalypso.org>
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2 * This program generates an audio volume file for uploading into Calypso
1f3b28d66d53 tiaud-mkvol program written
Mychaela Falconia <falcon@freecalypso.org>
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3 * device FFS; TI's Audio Service requires every *.cfg file to be accompanied
1f3b28d66d53 tiaud-mkvol program written
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4 * by a corresponding *.vol file.
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5 */
1f3b28d66d53 tiaud-mkvol program written
Mychaela Falconia <falcon@freecalypso.org>
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6
1f3b28d66d53 tiaud-mkvol program written
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7 #include <sys/types.h>
1f3b28d66d53 tiaud-mkvol program written
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8 #include <sys/file.h>
1f3b28d66d53 tiaud-mkvol program written
Mychaela Falconia <falcon@freecalypso.org>
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9 #include <stdio.h>
1f3b28d66d53 tiaud-mkvol program written
Mychaela Falconia <falcon@freecalypso.org>
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10 #include <stdlib.h>
1f3b28d66d53 tiaud-mkvol program written
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11 #include <unistd.h>
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12
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13 u_char bin[4];
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14
1f3b28d66d53 tiaud-mkvol program written
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15 write_bin_output(filename)
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16 char *filename;
1f3b28d66d53 tiaud-mkvol program written
Mychaela Falconia <falcon@freecalypso.org>
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17 {
1f3b28d66d53 tiaud-mkvol program written
Mychaela Falconia <falcon@freecalypso.org>
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18 int fd;
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19
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Mychaela Falconia <falcon@freecalypso.org>
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20 fd = open(filename, O_WRONLY|O_CREAT|O_TRUNC, 0666);
1f3b28d66d53 tiaud-mkvol program written
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21 if (fd < 0) {
1f3b28d66d53 tiaud-mkvol program written
Mychaela Falconia <falcon@freecalypso.org>
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22 perror(filename);
1f3b28d66d53 tiaud-mkvol program written
Mychaela Falconia <falcon@freecalypso.org>
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23 exit(1);
1f3b28d66d53 tiaud-mkvol program written
Mychaela Falconia <falcon@freecalypso.org>
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24 }
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Mychaela Falconia <falcon@freecalypso.org>
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25 write(fd, &bin, sizeof bin);
1f3b28d66d53 tiaud-mkvol program written
Mychaela Falconia <falcon@freecalypso.org>
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26 close(fd);
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27 }
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28
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29 main(argc, argv)
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30 char **argv;
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31 {
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32 if (argc != 3) {
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33 fprintf(stderr, "usage: %s volume outfile\n", argv[0]);
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34 exit(1);
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35 }
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Mychaela Falconia <falcon@freecalypso.org>
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36 bin[0] = atoi(argv[1]);
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Mychaela Falconia <falcon@freecalypso.org>
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37 write_bin_output(argv[2]);
1f3b28d66d53 tiaud-mkvol program written
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38 exit(0);
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39 }