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Author SHA1 Message Date
wbokslag bef13eb710 Support parsing of multiple mac resources in the same timeslot 
Change-Id: Ic2956a5f10cffe296b76a290a0d16f45461eb2e7
 2022-09-22 11:27:39 +02:00
wbokslag 1b7ebde55d Keep timeslot number in range 1-4 instead of 0-3 in parsing of SYNC frame 
According to the tetra_tdma_time struct definition, the tn should be in range 1-4. Also, tetra_burst_sync_in increments the timeslot number when in a synchronized state. The timeslot is then normalized with normalize_tn which also expects the tn to be within the 1-4 range.

Change-Id: Ib0967fdeef3bf37c612124626a74d240aa571a66
 2022-09-18 15:16:51 +02:00
wbokslag 16713cab01 when traffic dump directory is specified, now prints error message and exits instead of crashing when traffic file cannot be written 
Change-Id: I273e07aefd9faea13662f6699a6f3b074c8efe88
 2022-08-09 17:28:31 +02:00
wbokslag d5bfc8e74a keep track of which block of a downlink burst is being processed 
tp_sap_udata_ind now accepts a parameter designating from which block
(first or second) of the downlink burst the bits originate (not
applicable for all downlink burst types). In some cases, the upper mac
needs this information, see ETSI EN 300 392-7 clause 6.4.1

Change-Id: I5ff316a773906328e19c3530b09d7412f9c731ec
 2022-08-02 13:22:30 +02:00
Jan Hrach 73e9e0e871 add traffic dumping patch, use getopt to parse arguments 
Enable the user to specify a directory, where contents of traffic channel will
be saved. Together with this dump, a text file with SSIs of the engaged
stations is saved too.

Based on 0004-HACK-Quick-hack-to-save-the-speech-data-from-TCH.patch available at
https://build.opensuse.org/package/view_file/home:mnhauke:sdr/osmo-tetra/0004-HACK-Quick-hack-to-save-the-speech-data-from-TCH.patch

Change-Id: I94135753a76cadfa373167ffca18e89bee5bcff8
 2018-09-28 23:27:20 +00:00
Jan Hrach 013ef6e8a1 update scrambling only if we have good CRC 
When a bad frame is received, the scrambling should not be updated,
because setting scrambling to wrong values will completely break further
decoding (until another SYNC frame is received).

Change-Id: I5e88b52fcbb98532d7ab6ca85e4f956589a595ab
 2018-07-31 06:58:51 +00:00
Harald Welte 0ad20fd762 create 'struct tetra_mac_state' in main and pass through all layers/SAPs 2011-05-27 08:44:12 +02:00
Harald Welte a22f5923d1 libosmocore namespace changes ("osmo_") 2011-05-08 09:46:46 +02:00
Harald Welte 4911ba91ef TETRA: start to use msgb as part of osmo_prim / tmvsap_prim 
This will allow us to pass the same msgb (with different l1h/l2h)
up the stack.
 2011-04-24 16:55:42 +02:00
Harald Welte 44cd972b05 lower mac: don't print all the different type-n bits per default 2011-04-24 09:14:12 +02:00
Sylvain Munaut 6d08da3bd3 Adapt to the new "osmocom/core/" include path 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2011-04-17 20:21:41 +02:00
Harald Welte 140c2f80c1 use ubit_dump() which is part of libosmocore instead of local bitdump() 2011-02-08 16:57:48 +01:00
Harald Welte 7ee08faee0 initial import of Osmocom TETRA phy and lower MAC code 2011-01-19 10:39:59 +01:00