cc82cf0300
receiver_impl.cc: refactor the source code
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This change formats the receiver implementation source code
according to a mix of GNURadio and the Kernel coding styles.
The main changes are:
- Line length limit is 80 columns
- Usage of /* comments */ is prefered
- Do not use curly braces for single line loops / conditions
For more details, see:
https://wiki.gnuradio.org/index.php/Coding_guide_impl
https://www.kernel.org/doc/html/v4.10/process/coding-style.html
2017-07-24 19:59:46 +07:00
2770fc485c
Added missing default value of voice-boundary parameter. Fixes #206
2017-07-23 22:05:10 +02:00
6629abc5e0
Closes #290 - the problem with subtracting of timeslot number for timeslots 0,1,2.
2017-07-23 20:26:49 +02:00
82638ab4b3
Added a bit better labels for most cryptic paramters. Related to issue #288
2017-07-23 19:14:13 +02:00
04536ab41c
flow_control: implement pass / drop filtering policies
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This change introduces a set of three modes for flow control
filters, one of which is default behavor and two extra modes
else described below:
- FILTER_POLICY_PASS_ALL
- FILTER_POLICY_DROP_ALL
Both modes are opposite, and make a filter either unconditionally
pass or drop all the data one gets to the input. They would be
usable for some external usage.
2017-07-22 12:43:16 +07:00
6ee2c165d9
burst_sdcch_subslot_splitter: implement and expose GET/SET API
2017-07-21 07:34:05 +07:00
fbfd836fc2
burst_sdcch_subslot_filter: implement and expose GET/SET API
2017-07-21 07:34:05 +07:00
ccc7183e42
burst_fnr_filter: implement and expose GET/SET API
2017-07-21 07:33:56 +07:00
91195eb5bf
burst_timeslot_filter: implement and expose GET/SET API
2017-07-21 07:04:30 +07:00
5eb5db2fc1
Added clock offset measurement in ppm as it is usable for debugging.
2017-07-20 09:06:08 +02:00
76e4b33453
apps/trx: handle MEASURE command
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As the actual power measurement isn't implemented yet, we will
emulate this process sending random power levels from specified
range.
2017-07-19 17:51:24 +07:00
45d9f22352
apps/trx: handle SETSLOT command
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Currently, this command is used only to (re)configure built-in
timeslot filter of 'TRX Interface' block. Channel configuration
number, provided as the second parameter of command, is ignored.
2017-07-19 17:38:26 +07:00
5b7c60af7a
trx_interface: implement built-in timeslot filter
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There is a dedicated block named 'Burst Timeslot Filter', which
could be used, but one doesn't expose the API to change the
timeslot index 'on fly'.
This change implements built-in timeslot filter in 'TRX Interface'
block, which will be used until the proper block expose API.
2017-07-19 17:30:44 +07:00
5f393a41bb
apps/trx/radio_if.py: drop unused imports
2017-07-19 15:36:31 +07:00
dd0b06a5fc
apps/trx: wait until transceiver actually stop
2017-07-19 15:36:31 +07:00
f3eccbf444
apps/trx: separate CTRLInterface implementation
2017-07-19 15:36:20 +07:00
4b5c299dc0
apps/trx: get rid of meaningless main function
2017-07-19 14:54:14 +07:00
7427bafd50
apps/trx: separate UDP socket implementation
2017-07-19 14:43:48 +07:00
1d6b628c5a
trx_interface: set proper burst type in GSMTAP header
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If received burst is a RACH burst, one should contain the RACH
synchronization sequence (GSM 05.02 Chapter 5.2.7) and long
guard period filled by 0x00.
2017-07-19 14:32:35 +07:00
780816d12a
trx_interface: make both source and sink ports optional
2017-07-19 14:05:17 +07:00
ac3a527c98
trx_interface: implement incoming data handler
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This change implements a receive path for UL bursts, namely
the OsmoTRX style header conversation to GSMTAP.
2017-07-19 14:02:49 +07:00
948f70463f
trx_interface: follow GR-GSM app naming style
2017-07-16 23:29:59 +07:00
99be625855
trx_interface: follow common block naming style
2017-07-16 23:26:34 +07:00
c36c49889c
trx_interface: append two unused bytes at the end of messages
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Despite the last two bytes at the end of messages on DATA
interface are not used, let's keep the protocol compatibility
and fill them by 0x00.
2017-07-16 23:25:01 +07:00
89fc14ba44
Implement transceiver interface
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This change introduces a new block 'TRX Interface', which is aimed
to provide an interface for external applications, such as Osmocom
MS side stack implementation - OsmocomBB. Currently one allows to
exchange raw GSM bursts between GR-GSM and other applications.
Moreover, there is a new 'trx.py' application, which implements a
simple follow graph, where all demodulated bursts are being sent
to external application via UDP link provided by 'TRX Interface'.
OsmoTRX (Osmocom's fork of OpenBTS transceiver) like control
interface is used to initialize, configure, start and stop the
application. Messages on this interface are human readable ASCII
strings, which contain a command and some related parameters.
2017-07-07 22:12:52 +07:00
b31689d227
Changed mask for System Information type 2ter. Closes #281 .
2017-06-11 20:30:56 +02:00
c97a7ff8a0
Removed wideband_input_adaptor
2017-06-11 17:39:05 +02:00
a081366dad
Quick hack to interpret unencrypted assignment commands
2017-04-02 17:19:13 +02:00
8f121c1e7c
Added interpretation of SC (start ciphering) field in cmc extractor
2017-03-30 10:55:08 +02:00
dd86a9986f
Fix (hack) of lack of text output of the scanner
2017-03-30 10:53:58 +02:00
881b6c3139
Added gain option to the wideband_scanner - so changing gain parameter have effect
2017-03-30 10:53:25 +02:00
25bd460d13
Merge branch 'stiabhan-fix-comparisons' into development
2017-03-09 10:06:10 +01:00
263f00d036
Fix operator precedence in comparisons
2017-03-02 20:40:22 +10:00
c988c740b6
Merge branch 'romankh-collect-system-info' into development
2017-02-17 09:19:10 +01:00
369bdb37c1
Merge branch 'master' into collect-system-info
2017-02-16 20:51:36 +01:00
654d652a73
Ressurected old frequency correction function
2017-01-23 21:53:48 +01:00
93ba6bc2c2
Changes in the livemon:
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-changed frequency range,
-added abiliti to set fractional frequency correction.
2017-01-23 21:33:09 +01:00
9bc0fc0c59
Changed frequency estimator to the old one that worked better
2017-01-18 21:53:17 +01:00
98581a8e92
Implemented system info collection block
2017-01-11 13:33:12 +01:00
81f9700762
Merge branch 'development' into libosmocore_integration
2017-01-03 09:34:45 +01:00
70c25a112a
Changes in decoding:
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-copied decoding routines from libosmocore to gr-gsm,
-made cmake files entries for new source files and added linking with libosmocodec,
-moved sch.c file to decoding folder.
2017-01-03 08:01:23 +01:00
01f9c1975e
Merge pull request #241 from romankh/cmc-extractor
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Merging CMC extraction block written by @romankh
2016-12-29 13:12:16 +01:00
f7653ecb8b
Merge branch 'romankh-213-3digit-mnc' into development
2016-12-29 13:09:29 +01:00
993ea3989e
Merge branch '213-3digit-mnc' of https://github.com/romankh/gr-gsm into romankh-213-3digit-mnc
2016-12-29 13:08:39 +01:00
25ae3e2066
Merge branch '213-3digit-mnc' of https://github.com/romankh/gr-gsm into libosmocore_integration
2016-12-29 13:01:48 +01:00
e5ddab3e1d
#240 : Implemented block for extraction of information from cipher mode command messages
2016-12-04 16:19:40 +01:00
fcf7e347be
Merge branch 'romankh-234-wb-scanner-args' into development
2016-11-30 12:08:45 +01:00
ddd096e6b4
#213 : Fixes 3-digit MNC
2016-11-28 21:57:19 +01:00
a5f5a31559
Fixes incorrect arguments in wideband_scanner
2016-11-20 22:11:46 +01:00
1591cdebdf
Fix for #232 (incorrect facch subtype)
2016-11-20 21:50:23 +01:00
Vadim Yanitskiy