FreeCalypso > hg > gsm-net-reveng

annotate trau-ul-compile/trau-ul-decomp.c @ 57:fe3cdbbc96f9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
d144: new program atrau-parse
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 25 Sep 2024 17:45:29 +0000
parents f80e64139670
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
26
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This program reads a *.tul binary file and disassembles it back
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * to ASCII form. It is intended for checking the correctness of
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * trau-ul-compile, and also for sanity checks during actual TRAU
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * testing with these tools.
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 */
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <stdio.h>
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <stdint.h>
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <stdlib.h>
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <string.h>
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include <strings.h>
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #include <tw_gsmfr.h>
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include <gsm_efr.h>
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 main(argc, argv)
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 char **argv;
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 {
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 FILE *binf, *outf;
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 unsigned frame_index;
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 uint8_t frame[34];
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 int16_t params[GSMFR_NUM_PARAMS];
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 int rc, i, j, n;
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 if (argc < 2 || argc > 3) {
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 fprintf(stderr, "usage: %s input.tul [output.tsrc]\n",
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 argv[0]);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 exit(1);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 }
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 binf = fopen(argv[1], "r");
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 if (!binf) {
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 perror(argv[1]);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 exit(1);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 }
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 if (argc > 2) {
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 outf = fopen(argv[2], "w");
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 if (!outf) {
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 perror(argv[2]);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 exit(1);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 }
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 } else
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 outf = stdout;
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 for (frame_index = 0; ; frame_index++) {
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 rc = fread(frame, 1, 34, binf);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 if (!rc)
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 break;
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 if (rc != 34) {
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 inv_input: fprintf(stderr, "error: %s is not in expected format\n",
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 argv[1]);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 exit(1);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 }
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 switch (frame[0] & 0xF0) {
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 case 0xC0:
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 fprintf(outf, "# input frame %u\nFrame_EFR {\n",
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 frame_index);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 if (frame_index % 24 == 23)
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 fputs("\t# TAF position\n", outf);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 fprintf(outf, "\tBFI %u\n", frame[33] >> 7);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 EFR_frame2params(frame, params);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 n = 0;
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 fputs("\tLPC", outf);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 for (i = 0; i < 5; i++)
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 fprintf(outf, " %d", params[n++]);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 putc('\n', outf);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 for (i = 0; i < 4; i++) {
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 fputs("\tsf", outf);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 for (j = 0; j < 13; j++)
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 fprintf(outf, " %d", params[n++]);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 putc('\n', outf);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 }
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 fprintf(outf, "\tSID %u\n", frame[33] & 3);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 fputs("}\n\n", outf);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 break;
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 case 0xD0:
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 fprintf(outf, "# input frame %u\nFrame_FR {\n",
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 frame_index);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 if (frame_index % 24 == 23)
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 fputs("\t# TAF position\n", outf);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 fprintf(outf, "\tBFI %u\n", frame[33] >> 7);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 gsmfr_unpack_to_array(frame, params);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 n = 0;
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 fputs("\tLARc", outf);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 for (i = 0; i < 8; i++)
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 fprintf(outf, " %d", params[n++]);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 putc('\n', outf);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 for (i = 0; i < 4; i++) {
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 fputs("\tsf", outf);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 for (j = 0; j < 17; j++)
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 fprintf(outf, " %d", params[n++]);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 putc('\n', outf);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 }
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 fprintf(outf, "\tSID %u\n", frame[33] & 3);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 fputs("}\n\n", outf);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 break;
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 default:
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 goto inv_input;
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 }
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 }
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 exit(0);
f80e64139670 trau-ul-decomp program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 }