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annotate ffstools/caltools/fc-add-ramps.c @ 909:1e9fe07f8f09

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doc/Voice-memo-utils: new article
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 29 Dec 2022 21:03:11 +0000
parents 5efb2832f4c2
children
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e5ef798e2d35 fc-add-ramps new program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * This utility reads a tx-ramps table in FreeCalypso ASCII format,
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3 * sums up each ramp and reports these sums. The intended purpose is
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4 * to check if all ramps add up to 128 like they are supposed to.
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5 */
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6
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7 #include <sys/types.h>
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8 #include <stdio.h>
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9 #include <stdlib.h>
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10 #include <string.h>
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11 #include <strings.h>
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12
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13 u_char data[512];
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14 unsigned sums[32];
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15
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16 read_input(filename)
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17 char *filename;
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18 {
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19 char *format;
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20
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21 if (read_rf_table_ext(filename, data, 1, &format, (unsigned *) 0))
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22 exit(1);
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23 if (strcmp(format, "tx-ramps")) {
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24 fprintf(stderr, "error: %s is not a tx-ramps table\n",
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25 filename);
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26 exit(1);
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27 }
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28 }
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29
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30 compute_sums()
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31 {
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32 int i, j;
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33 unsigned accum;
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34 u_char *dp = data;
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35
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36 for (i = 0; i < 32; i++) {
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37 accum = 0;
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38 for (j = 0; j < 16; j++)
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39 accum += *dp++;
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40 sums[i] = accum;
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41 }
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42 }
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43
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44 output()
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45 {
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46 unsigned n;
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47
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48 for (n = 0; n < 16; n++)
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49 printf("Template #%u: ramp-up %u, ramp-down %u\n", n,
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50 sums[n*2], sums[n*2+1]);
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51 }
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52
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53 main(argc, argv)
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54 char **argv;
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55 {
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56 if (argc != 2) {
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57 fprintf(stderr, "usage: %s tx-ramps-file\n", argv[0]);
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58 exit(1);
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59 }
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60 read_input(argv[1]);
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61 compute_sums();
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62 output();
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63 exit(0);
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64 }