3a5fa8837c
Improved emphasis
2018-02-16 15:54:39 +01:00
6277753574
Minor debug message corrections
2018-02-15 08:00:18 +01:00
6df0eb46cc
Fix compiler warnings
2018-02-15 08:00:15 +01:00
4cc33c5b0d
Make sound card support (Alsa) optional
2018-02-15 08:00:15 +01:00
0b129d3c7f
libdisplay: Removing dependency from libmobile
2018-02-15 08:00:14 +01:00
021c695883
Restructure: Fixing library linking order
2017-12-03 08:46:00 +01:00
1a341f6b4e
Restructure: Move debug from common code to 'libdebug'
2017-12-03 08:45:58 +01:00
016e72d6d7
Restructure: Move display from common code to 'libdisplay'
2017-12-03 08:45:55 +01:00
ab59a26a51
Restructure: Move mobile from common code to 'libmobile'
2017-12-03 08:45:54 +01:00
ed31a26eba
Restructure: Move sample from common code to 'libsample'
2017-12-03 08:45:48 +01:00
1650cc5ad2
Restructure: Move sdr from common code to 'libsdr'
2017-12-03 08:45:45 +01:00
45a5568f70
Restructure: Move sound from common code to 'libsound'
2017-11-25 19:28:36 +01:00
7b539d5dc7
Restructure: Move mncc from common code to 'libmncc'
2017-11-25 19:28:33 +01:00
9776736cc4
Restructure: Move compandor from common code to 'libcompandor'
2017-11-25 19:25:10 +01:00
f4754dcb37
Restructure: Move fm_modulation from common code to 'libfm'
2017-11-25 19:24:02 +01:00
7af9b752a0
Restructure: Move 'libgermantone' to a-netz code
2017-11-25 19:23:59 +01:00
40c24a70b2
Restructure: Move emphasis from common code to 'libemphasis'
2017-11-25 19:23:56 +01:00
16194c15f9
Restructure: Move goertzel from common code to 'libgoertzel'
2017-11-25 19:23:54 +01:00
c84318b245
Restructure: Move jitter from common code to 'libjitter'
2017-11-25 19:23:53 +01:00
ac7bb3539f
Restructure: Move wave from common code to 'libwave'
2017-11-25 19:23:47 +01:00
b605da1aff
Restructure: Move timer from common code to 'libtimer'
2017-11-13 20:00:52 +01:00
1b183864bb
Restructure: Move sample rate conversion from common code to 'libsamplerate'
2017-11-13 19:34:05 +01:00
669705c6ed
Restructure: Move filters from common code to 'libfilter'
2017-11-13 19:15:09 +01:00
5c33b8824b
AMPS/TACS: Fixing release towards mobile station on FVC
...
We must continuously send release frames until Signaling Tone changes,
so we know that the phone has received the release.
2017-11-05 16:58:36 +01:00
ee3fbeb03b
Split call control from built-in call console by using MNCC layer
2017-11-05 16:58:31 +01:00
b32e0ab602
Implementation of RX level squelch (for A-Netz and B-Netz)
...
Use -S <dB> for setting RF level or use -S auto for auto level.
When squelch closes, audio is muted. If squelch is closed for some
seconds (depending on network), call is released. (RF loss condition)
The previous loss detection has been removed
2017-10-22 19:23:08 +02:00
f7a0e4622b
Display channel offset with TX and RX channel frequencies on startup
2017-10-22 19:23:06 +02:00
ba036de226
Add function to display measurements on screen
...
Use 'm' key to toggle display.
2017-10-12 19:46:30 +02:00
5ea48588e5
AMPS/TACS: Change audio level range
2017-10-02 12:34:31 +02:00
3e1da04f14
AMPS: Minor fixes to loopback test
2017-10-02 12:34:27 +02:00
c1fe179d5d
AMPS: Fix 'use-after-free-bug' after destroying transaction
2017-09-24 14:11:54 +02:00
a52c89800c
SDR: Split SDR config from main_mobile.c to sdr_config.c
2017-09-02 07:34:48 +02:00
94ed39f5e2
JTACS: Implementation of the Japanese variant of TACS
2017-09-01 18:42:54 +02:00
489ab9506c
TACS: Fix power levels
2017-09-01 18:42:53 +02:00
cff7622f5c
Move mobile phone specific code from libcommon.a to libmobile.a
2017-09-01 18:42:49 +02:00
743d147d16
SDR: Turn TX power off if requested by network
...
The power level is ramped smoothly within 1 ms up or down.
R2000, AMPS and C-Netz turn off power when voice channel is not i use.
C-Netz turns off power between OgK timeslots.
2017-09-01 18:42:46 +02:00
8ce3ff455d
Add incoming answer to call control, also allow to send recall tone
2017-08-09 17:27:08 +02:00
538b4a42ec
Add wave file playback to replace TX audio
2017-07-15 07:38:16 +02:00
3ce50f8ab3
AMPS: Fixes in message display and function names
2017-07-15 07:38:10 +02:00
3788b3e8a5
TACS support (variations added to AMPS code)
...
These are:
- Bandwidth only 25 KHz, so lower deviations
- Data rate only 8000 KHz
- SID is called AID (Area ID)
- MIN1 coding is different
2017-07-15 07:38:09 +02:00
dbdedfe1a1
AMPS: Fixed selecting right CRC values for FOCC words
2017-06-10 13:08:26 +02:00
57d4d1739e
AMPS/C-Netz: Correctly release pending transaction when creating a new one
...
If transactions is created, look on all channels for pending transaction
with same subscriber.
1. Remove that transaction.
2. Make channel return to IDLE.
3. Release call, if callref exists.
2017-06-10 13:08:22 +02:00
6adfcf7466
Status display
...
Alows to show status of current channels and users
2017-06-10 13:08:21 +02:00
bb64c6b3ba
AMPS: Add DTX support
...
When DTX is enabled (-S dtx=2 or 3), a missing SAT tone causes the receiver
to mute audio and insert a low level of comfort noise.
Also the missing SAT tone will not cause the connection to be terminated.
2017-06-10 13:08:19 +02:00
56024b384b
AMPS: Serveral minor fixes
2017-05-23 18:11:10 +02:00
12dcc6c40f
Minor fixes on AMPS messages
...
- Flipping polarity is now performed after B/I has been applied
- Correcting sysinfo
2017-05-17 20:06:43 +02:00
4d10ee7c82
No "sdr" audio device option required anymore (when using SDR)
2017-05-17 20:06:42 +02:00
3fc4fc54be
main_common: Move init and cleanup function to main function
2017-03-04 07:12:12 +01:00
438ce08add
SoapySDR support
...
There is no time stamp handling. It is just TX'ing in advance and
synchronous to received RX rate.
2017-02-18 21:02:55 +01:00
0611f62b52
Show channel number and basic info when channel was created
2017-02-18 21:02:47 +01:00
54ed5d5f82
AMPS: Fixed setting of signal polarity when using SDR
2017-02-18 21:01:19 +01:00
7e45f556ce
Correcting all levels and move all remaining integer samples to sample_t
...
The leves are based on the standards of each mobile network. They
are adjusted to the specified frequency deviation now.
2017-02-18 21:01:13 +01:00
bd7ccc5fa0
Add global DC-Filter and remove all individual DC-Filters
2017-02-18 21:01:12 +01:00
7ea3bc188d
Move samples of int16_t format to sample_t, that is of type double
...
This prepares the correction of all levels
2017-02-18 21:01:08 +01:00
538a959128
Indexing tables by casting index to unsigned integer only
2017-02-18 21:01:06 +01:00
2d8d7e62c1
Use global init/cleanup function
2017-02-18 21:00:58 +01:00
a5fd375237
Fixed typos
2017-02-18 21:00:55 +01:00
fee4846c3f
SDR forces default settings: emphasis and FSK polarity
2017-02-18 21:00:52 +01:00
8b9277615d
Neu structure for the paging process (B-Netz)
...
Paging tones are not created within sound_alsa.c
The audio API is now responsible to switch to paging channel.
In case of SDR, the sdr.c will switch frequency offset.
2017-02-18 21:00:50 +01:00
57993e3e48
Support for UHD SDR interface
2017-02-18 21:00:49 +01:00
c5cf88ce57
Prepare for SDR: Add bandwidth and deviation info to sender instance
2017-02-18 21:00:47 +01:00
9ff8c3bb25
Rework on audio interface
...
Sound instance is now called audio instance and uses funcation pointers.
This gives a clean interface to be exchanged with other technologies,
linke SDR.
2017-02-18 21:00:45 +01:00
d54d3ac265
prepare audio handling for multi carrier SDR
2017-01-07 06:28:24 +01:00
3400f555fe
Add common function to give hotkey help
...
* Key to dial and hangup
* Key to display wave form
2016-12-09 16:42:38 +01:00
7585f9c22d
Add function to change dsp state, more debug with channel info
2016-12-09 16:34:33 +01:00
eed826387a
work on docs
2016-12-06 17:46:12 +01:00
Andreas Eversberg
0b43b63d1f
Fixed command line option descriptions
2016-11-29 10:59:09 +01:00
d52d0242bf
Output enhancements
...
* no more flicker on wave form display while scrolling
* dialing console gets cleared/overwritten correctly
* fixes on stderr output
2016-11-29 07:49:21 +01:00
b1c452cf12
Changed command line options
...
* All lower case options define common options
* All upper case options define network specific options
2016-11-27 22:06:47 +01:00
2a4abc62b2
Move realtime scheduling and signal handling to common code
2016-11-13 06:37:56 +01:00
63f39e105b
AMPS: Fixes for multi transceiver support
...
- Fix channel assignment
- Voice channel sends test tone when idle
- Changed paging timeout
- Minor fix of SCC field in 2 messages
2016-10-30 09:37:14 +01:00
bb92a1f3b0
AMPS: Add option to be more tollerant to sync detection
...
Also it detects more false syncs, but this is ignored if decoding fails.
2016-10-29 14:38:49 +02:00
052fe5d1de
AMPS: Improved level detection of bit decoder
2016-10-29 14:38:46 +02:00
3a3c1c258b
AMPS: Show number of correct words (CRC) for each FOCC frame
2016-10-28 17:07:38 +02:00
1ea95de120
C-Netz: Use emphasis with 200 uS time constant
2016-10-23 08:46:05 +02:00
27938d111e
Added and fixed extra compiler warnings
2016-10-07 08:55:18 +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
b07509cf2d
AMPS: Correcting channel number range
2016-10-02 09:06:06 +02:00
ad3c88e064
AMPS: Callref is moved completely to transaction object
2016-10-02 09:06:04 +02:00
53814241b3
AMPS: Note about future callref handling
2016-08-03 12:03:53 +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
1a3e536010
AMPS: Fix transaction list corruption
2016-08-01 13:06:03 +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
86daa5a64a
AMPS: Add option to use the BUSY/IDLE bit on FOCC
2016-06-20 17:16:46 +02:00
76f6285846
AMPS: Show round trip delay of Filler frames in loopback mode
2016-06-20 17:15:42 +02:00
f87e36fa47
AMPS: Detect difference between paging response and call response
...
Release call, if paging response was received, after call from fixed
network has already been released.
2016-06-19 17:41:42 +02:00
673aa74e6c
AMPS: Various minor fixes
2016-06-19 11:03:59 +02:00
4d52f955b3
common code: Add processing interval option to decrese CPU usage
2016-06-18 19:33:08 +02:00
d2c4ca4fa9
Implementation of Advanced Mobile Phone Service (AMPS)
2016-06-17 17:03:29 +02:00
Andreas Eversberg
Andreas Eversberg