FreeCalypso > hg > gsm-codec-lib

annotate dev/mk-256bytes.c @ 282:9ee8ad3d4d30

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
frtest: rm gsmfr-hand-test and gsmfr-max-out utils These hack programs were never properly documented and were written only as part of a debug chase, in pursuit of a bug that ultimately turned out to be in our then-hacky patch to osmo-bts-sysmo, before beginning of proper patches in Osmocom. These hack programs need to be dropped from the present sw package because they depend on old libgsm, and we are eliminating that dependency.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 14 Apr 2024 05:44:47 +0000
parents bbdefd2ef950
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
233
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This program generates a binary file of 256 bytes, containing every
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * possible octet value in linearly increasing order. The purpose of this
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * datum is testing of A-linear-A and mu-linear-mu PCM conversions: we need
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * to ensure that each of those sequences is an identity transform for all
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * possible PCM octet values.
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 */
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <stdio.h>
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <stdlib.h>
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 main(argc, argv)
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 char **argv;
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 {
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 FILE *outf;
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 unsigned val;
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 if (argc != 2) {
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 fprintf(stderr, "usage: %s output-bin-file\n", argv[0]);
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 exit(1);
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 }
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 outf = fopen(argv[1], "w");
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 if (!outf) {
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 perror(argv[1]);
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 exit(1);
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 }
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 for (val = 0; val < 256; val++)
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 putc(val, outf);
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 fclose(outf);
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 exit(0);
bbdefd2ef950 dev: new program mk-256bytes
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 }