FreeCalypso > hg > gsm-codec-lib

annotate frtest/dlcap-parse.c @ 467:ad032051166a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc: AMR-EFR-hybrid-emu new article
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 12 May 2024 23:54:43 +0000
parents 251aed72925e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
19
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
167
80c93ef82a51 gsmfr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 162
diff changeset
2 * This program reads a TCH/FS downlink capture produced with FreeCalypso tools
162
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
3 * (fw version with TCH downlink sniffing feature and fc-shell tch record),
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
4 * parses the frame bits according to our current understanding, and dumps
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
5 * everything in human-readable form for further analysis.
19
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 */
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <ctype.h>
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <stdio.h>
139
be57e06bed84 factor out common part of gsmfr-cvt-dlcap, in prep for EFR
Mychaela Falconia <falcon@freecalypso.org>
parents: 137
diff changeset
10 #include <stdint.h>
19
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <stdlib.h>
137
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
12 #include <string.h>
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
13 #include <strings.h>
286
251aed72925e gsmfr-dlcap-parse: convert to libgsmfr2
Mychaela Falconia <falcon@freecalypso.org>
parents: 178
diff changeset
14 #include "../libgsmfr2/tw_gsmfr.h"
162
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
15
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
16 static void
286
251aed72925e gsmfr-dlcap-parse: convert to libgsmfr2
Mychaela Falconia <falcon@freecalypso.org>
parents: 178
diff changeset
17 process_record(lineno, fn_mod_104, status_words, tidsp_bytes)
162
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
18 int lineno;
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
19 unsigned fn_mod_104;
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
20 uint16_t *status_words;
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
21 uint8_t *tidsp_bytes;
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
22 {
167
80c93ef82a51 gsmfr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 162
diff changeset
23 uint8_t libgsm_bytes[33];
80c93ef82a51 gsmfr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 162
diff changeset
24 int16_t params[76];
162
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
25 int i, j, n;
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
26
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
27 printf("#%d: fn=%u DSP %04X %04X %04X\n", lineno, fn_mod_104,
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
28 status_words[0], status_words[1], status_words[2]);
167
80c93ef82a51 gsmfr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 162
diff changeset
29 gsm0610_tidsp_to_libgsm(tidsp_bytes, libgsm_bytes);
162
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
30 fputs(" bits ", stdout);
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
31 for (i = 0; i < 33; i++)
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
32 printf("%02X", tidsp_bytes[i]);
167
80c93ef82a51 gsmfr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 162
diff changeset
33 printf(" SID=%d\n", gsmfr_preproc_sid_classify(libgsm_bytes));
286
251aed72925e gsmfr-dlcap-parse: convert to libgsmfr2
Mychaela Falconia <falcon@freecalypso.org>
parents: 178
diff changeset
34 gsmfr_unpack_to_array(libgsm_bytes, params);
167
80c93ef82a51 gsmfr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 162
diff changeset
35 fputs(" FR", stdout);
162
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
36 n = 0;
167
80c93ef82a51 gsmfr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 162
diff changeset
37 for (i = 0; i < 8; i++)
162
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
38 printf(" %d", params[n++]);
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
39 putchar('\n');
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
40 for (i = 0; i < 4; i++) {
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
41 putchar(' ');
167
80c93ef82a51 gsmfr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 162
diff changeset
42 for (j = 0; j < 17; j++)
162
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
43 printf(" %d", params[n++]);
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
44 putchar('\n');
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
45 }
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
46 }
19
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 main(argc, argv)
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 char **argv;
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 {
162
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
51 FILE *inf;
19
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 char linebuf[128];
137
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
53 int lineno, rc;
139
be57e06bed84 factor out common part of gsmfr-cvt-dlcap, in prep for EFR
Mychaela Falconia <falcon@freecalypso.org>
parents: 137
diff changeset
54 uint16_t status_words[3];
162
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
55 uint8_t tidsp_bytes[33];
137
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
56 unsigned fn_mod_104;
19
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57
162
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
58 if (argc != 2) {
b98aebd94d1f gsmefr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 140
diff changeset
59 fprintf(stderr, "usage: %s dlcap-file\n", argv[0]);
19
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 exit(1);
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 }
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 inf = fopen(argv[1], "r");
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 if (!inf) {
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 perror(argv[1]);
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 exit(1);
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 }
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) {
137
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
68 /* support both old and new formats */
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
69 if (isxdigit(linebuf[0]) && isxdigit(linebuf[1]) &&
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
70 isxdigit(linebuf[2]) && isxdigit(linebuf[3])) {
178
5fe0b3eb35c1 gsmfr-dlcap-parse: also parse hex output from fc-vm2hex
Mychaela Falconia <falcon@freecalypso.org>
parents: 167
diff changeset
71 /* also support parsing output from fc-vm2hex */
5fe0b3eb35c1 gsmfr-dlcap-parse: also parse hex output from fc-vm2hex
Mychaela Falconia <falcon@freecalypso.org>
parents: 167
diff changeset
72 if (linebuf[4] == '\n') {
5fe0b3eb35c1 gsmfr-dlcap-parse: also parse hex output from fc-vm2hex
Mychaela Falconia <falcon@freecalypso.org>
parents: 167
diff changeset
73 printf("#%d: fn=0 DSP %.4s\n", lineno, linebuf);
5fe0b3eb35c1 gsmfr-dlcap-parse: also parse hex output from fc-vm2hex
Mychaela Falconia <falcon@freecalypso.org>
parents: 167
diff changeset
74 continue;
5fe0b3eb35c1 gsmfr-dlcap-parse: also parse hex output from fc-vm2hex
Mychaela Falconia <falcon@freecalypso.org>
parents: 167
diff changeset
75 }
139
be57e06bed84 factor out common part of gsmfr-cvt-dlcap, in prep for EFR
Mychaela Falconia <falcon@freecalypso.org>
parents: 137
diff changeset
76 rc = parse_dlcap_common(linebuf, status_words,
137
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
77 tidsp_bytes);
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
78 if (rc < 0) {
19
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 invalid: fprintf(stderr,
137
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
80 "error: %s is not in the expected format\n",
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
81 argv[1]);
19
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 exit(1);
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 }
137
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
84 fn_mod_104 = 0; /* won't have TAF */
167
80c93ef82a51 gsmfr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 162
diff changeset
85 } else if (!strncmp(linebuf, "FR ", 3)) {
80c93ef82a51 gsmfr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 162
diff changeset
86 rc = parse_dlcap_common(linebuf + 3, status_words,
137
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
87 tidsp_bytes);
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
88 if (rc < 0)
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
89 goto invalid;
167
80c93ef82a51 gsmfr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 162
diff changeset
90 if (linebuf[84] != ' ')
137
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
91 goto invalid;
167
80c93ef82a51 gsmfr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 162
diff changeset
92 if (!isdigit(linebuf[85]))
19
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 goto invalid;
167
80c93ef82a51 gsmfr-dlcap-parse utility written
Mychaela Falconia <falcon@freecalypso.org>
parents: 162
diff changeset
94 fn_mod_104 = strtoul(linebuf + 85, 0, 10);
137
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
95 } else
b7ea278390eb gsmfr-cvt-dlcap: support new FC TCH DL recording format
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
96 goto invalid;
286
251aed72925e gsmfr-dlcap-parse: convert to libgsmfr2
Mychaela Falconia <falcon@freecalypso.org>
parents: 178
diff changeset
97 process_record(lineno, fn_mod_104, status_words, tidsp_bytes);
19
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 }
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 exit(0);
7960744ba19c frtest: gsmfr-cvt-dlcap program based on fc-tch2fr
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 }