e763d3c6ed
C-Netz: Changing keepalive interval to 2 minutes and retry to 1 minute
2016-10-23 07:32:21 +02:00
33e0bc5f4e
C-Netz: Remove global variables, because they don't speed up anything
2016-10-07 09:14:22 +02:00
27938d111e
Added and fixed extra compiler warnings
2016-10-07 08:55:18 +02:00
8ef966aa21
C-Netz: Reset FSK decoder when switching channel mode
...
This prevents corrupt frames, as well as clear pending frames that
were received during the old mode, but may not be received during
the new mode.
2016-10-07 08:00:34 +02:00
eac595bd17
C-Netz: Don't access transaction after destroying it
2016-10-07 08:00:10 +02:00
0cec2f28be
Add check if fromat at PDEBUG() is consistent (like printf)
...
The bugs it found are fixed too.
2016-10-07 07:52:17 +02:00
Andreas Eversberg
b205cfcf03
B-Netz: Work on pilot signal generation
...
The pilot signal to switch to channel 19 can be:
* a tone
* a tone that is turned off (notone)
* positive amplitude
* negative amplitude
2016-10-03 14:56:15 +02:00
17930af920
C-Netz: callref is moved completely to transaction object
2016-10-02 09:06:04 +02:00
8d7c7f4425
callref: Move callref from 'sender' to individual implementation of a, b, c-netz
...
Cellular networks use transaction instances, so callref is now member of
transaction object.
2016-10-02 09:06:03 +02:00
767daf73cd
C-Netz: Documentation of the call process in the source code
2016-08-13 15:22:28 +02:00
7f786fc00a
C-Netz: Fix missing callref assignment (MT call)
2016-08-07 17:20:06 +02:00
5182f70671
C-Netz: Documentation of some system informations
2016-08-07 17:17:38 +02:00
e484814c0a
C-Netz: Add hack to increase voice deviation for some newer phone
2016-08-03 12:40:56 +02:00
3a7388ba7f
C-Netz: Fixed some debugging output
2016-08-03 12:40:55 +02:00
2bd7c16baa
C-Netz: Add support for extended frequency band. (October 1989)
2016-08-03 12:40:54 +02:00
e4079b8ce8
C-Netz: Fix release cause coding
2016-08-03 12:03:54 +02:00
038ce9d1b7
Add info key 'i' to show some states.
...
Currently showing C-Netz attached subscribers
2016-08-03 12:03:49 +02:00
c9012c7663
C-Netz: Release MT call, if mobile phone does not respond
2016-08-02 09:02:58 +02:00
eb85afa49c
C-Netz: Use cosine-square ramp for better signal generation
2016-08-02 07:39:02 +02:00
ce7a98206a
C-Netz: Move callref to transaction. Callref on SpK only when its busy.
...
Only when busy, the channel has callref. This is required for audio
routing. During setup, the callref assigned to transaction and kept
there until release to/from upper layer.
2016-08-01 19:17:13 +02:00
664f8c7ac0
C-Netz: retry call setup messages up to 3 times
2016-08-01 12:15:12 +02:00
b84a64f872
C-Netz: Autoselect polarity on all transceivers
2016-08-01 12:15:09 +02:00
77cd21e7c2
C-Netz: Fix transaction list corruption
2016-08-01 12:15:08 +02:00
f729b32745
C-Netz: Fixed multi-transceiver mode and show channel in various logs
2016-07-31 18:48:19 +02:00
6a5af9aeac
Typos: acknowledgement -> acknowledgment signalling -> signaling
2016-07-24 12:31:08 +02:00
4745b29115
NMT: Caller ID support
2016-07-24 12:31:07 +02:00
f39ee2f15a
common code: Add support for main loop handler
2016-07-09 11:27:02 +02:00
2ee51022f4
Rename 'compander' to 'compandor'
2016-06-20 19:37:56 +02:00
4d52f955b3
common code: Add processing interval option to decrese CPU usage
2016-06-18 19:33:08 +02:00
e10898c1e8
C-Netz: Minor cosmetic fixes
2016-06-18 08:05:18 +02:00
051cc81b13
C-Netz: Move transaction routines to seperate file
2016-06-12 16:11:20 +02:00
c933250685
Add dsp mode change fuction to A and B Netz, fixed NMT
2016-06-12 16:11:20 +02:00
1ceb3026dd
Fixed link problem with alsa lib
...
Thanx to Martin for pointing to this problem.
2016-05-16 18:41:21 +02:00
90dbc0cbd7
C-Netz: Debug fixes
2016-05-15 20:44:07 +02:00
e9640c0cd8
C-Netz: Fix TX polarity selection
2016-05-15 20:43:49 +02:00
9ecb87f3e6
Fixing station ID command line parameter
2016-05-15 20:43:38 +02:00
7aa2445b47
Move amplitude (level) debugging to debug.c
2016-05-15 20:37:06 +02:00
60d9a7b496
C-Netz: Advice about requirement of emphasis done by software
2016-05-13 19:23:43 +02:00
46fa72894e
C-Netz: Calibration/fix processing of tone levels on TX and RX side
...
FSK and compander levels are adjusted.
Eliminate offsets between subsequent speech chunks. This is done by
high-pass filter. An offset is not passed to the filter.
Do correct audio processing chain:
time compress -> compressor -> scrambler / pre-emphasis -> TX
RX -> de-scrambler / de-emphasis -> expander -> time expand
2016-05-13 09:37:03 +02:00
5a9c9c7401
C-Netz: Send 5280 Hz test tone on idle speech channel
2016-05-13 09:37:03 +02:00
3a54f46b81
C-Netz: Fixup debug output at database
2016-05-13 09:37:02 +02:00
e2a9c2c6a5
Automatic FSK polarity selection on TX side
...
This is done by simulating two cells with different polarities.
On first message from mobile station, the cell with the correct
polarity is used, the other is disabled.
On RX side the polarity is not selected, since FSK decoder detects
polarity for every frame.
2016-05-13 09:37:01 +02:00
57ba648ac4
C-Netz: Add tiny database to track if phones are online
...
Reject calls, if not online.
Use an interval to check if the phones are still online.
2016-05-08 15:53:00 +02:00
bae12156a2
common code: Add input gain option
2016-05-08 15:49:45 +02:00
1ce67c14e9
C-netz: Tuning scrambler
2016-05-08 15:49:29 +02:00
7434e21dc2
Multi transceiver support
...
This can be multiple transceivers on multiple sound cards.
Two transceivers can be bundled on one sound device as well, using both channels.
2016-05-08 15:48:13 +02:00
de0ce7ba98
C-Netz: Correct clear cause on clearing by mobile station
2016-05-08 15:47:01 +02:00
8b6b87d8cc
C-Netz: Lowest mobile station power by default
2016-05-08 15:46:51 +02:00
95f44e9840
C-Netz: Fixed typo
2016-05-08 15:46:43 +02:00
11302272ce
C-Netz: Minor fix on clock speed indication
2016-05-08 15:46:34 +02:00
97c9eee322
Fix display of correct program name
2016-05-08 08:11:35 +02:00
16acdbf59d
Implementation of C-Netz (German mobile telephone system)
2016-04-24 15:19:00 +02:00
Andreas Eversberg
Andreas Eversberg