FreeCalypso > hg > gsm-net-reveng
changeset 96:13d47c9df28b
trau-hr-dump: add -s option for subset sync pattern match
With this option, trau-hr-dump can be used to decode TFO-HRv1
captures that contain embedded TFO messages.
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Tue, 18 Mar 2025 23:55:29 +0000 |
| parents | 7c7ace4999c1 |
| children | fe0551c9b8cd |
| files | trau-decode/trau-hr-dump.c |
| diffstat | 1 files changed, 9 insertions(+), 4 deletions(-) [+] |
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--- a/trau-decode/trau-hr-dump.c Tue Mar 18 23:08:29 2025 +0000 +++ b/trau-decode/trau-hr-dump.c Tue Mar 18 23:55:29 2025 +0000 @@ -17,7 +17,7 @@ static uint8_t *filebuf; static unsigned total_size; -static int include_raw; +static int include_raw, sync_subset; static void read_ts_file(filename, subslot_arg) @@ -82,11 +82,13 @@ } if (!cand[8]) return 0; - if (cand[16]) + if (cand[16] && !sync_subset) return 0; if (!cand[17]) return 0; for (n = 3; n < 20; n++) { + if (sync_subset && (n & 1) == 0) + continue; if (!cand[n * 8]) return 0; } @@ -156,14 +158,17 @@ extern int optind; int c; - while ((c = getopt(argc, argv, "r")) != EOF) { + while ((c = getopt(argc, argv, "rs")) != EOF) { switch (c) { case 'r': include_raw = 1; continue; + case 's': + sync_subset = 1; + continue; default: usage: - fprintf(stderr, "usage: %s [-r] binfile subslot\n", + fprintf(stderr, "usage: %s [-r] [-s] binfile subslot\n", argv[0]); exit(1); }