a52c89800c
SDR: Split SDR config from main_mobile.c to sdr_config.c
2017-09-02 07:34:48 +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
534411d660
New common FSK implementation, replaces all individual implementations
2017-08-09 17:27:13 +02:00
8ce3ff455d
Add incoming answer to call control, also allow to send recall tone
2017-08-09 17:27:08 +02:00
7c9ce960d7
Fixes of checking digits
2017-08-08 12:54:21 +02:00
0cbd9657d2
Move Hagelbarger error correction code from NMT to common code
...
It will be used by Radiocom 2000 also.
Some minor fixes and improvements apply.
2017-08-08 12:53:48 +02:00
6c64025717
Move FFSK modem from NMT to common code, so it can be used by other networks
2017-08-08 12:53:34 +02:00
3274812eab
NMT-900 System implementation
...
NMT can now be run as 450 or 900 Network.
2017-08-08 12:52:45 +02:00
0c9de251be
NMT: Implement Hagelbarger Code
...
This will correct burst errors of received messages. If the message
is too corrupted, it will be ignored, because some element may not
match then. The digits and line signals are checked for consistency,
since they are repeated serveral times in a message.
2017-08-08 12:52:29 +02:00
cd9cb9a107
Minor fix for NMT debug output
2017-07-15 12:45:20 +02:00
538b4a42ec
Add wave file playback to replace TX audio
2017-07-15 07:38:16 +02:00
557d19de66
NMT: Show trafic areas in hex and allow to select unsupported areas
2017-07-15 07:38:14 +02:00
3774519631
NMT: Fixed "use after free" bug
2017-07-15 07:38:13 +02:00
7af886c600
NMT: Fixed NMT digit decoding
2017-07-15 07:38:13 +02:00
d52f4cd29d
NMT: Mark Benelux and Czech/Slovak networks as tested
...
I have tested the network with B/NL/L and CZ/SK phones, and they work!
2017-06-15 18:28:26 +02:00
1aebedc66a
NMT: Fixed line signal description
2017-06-11 09:01:21 +02:00
7a9762e28e
NMT: Disable Supervisory signal during DMS (SMS) transfer and use Timeout
...
There is no Supervisory signal during DMS transfer, so there must be
no timeout for Supervisory signal. Instead, the SMS layer will timeout
after some seconds without receiving data.
2017-06-11 08:13:52 +02:00
19afb792b5
NMT: Fix and adjustements to supervisory signal detection
2017-06-10 17:11:47 +02:00
50b2021d21
NMT 450: Support for other European counties, like Belgium, Czech, Slovakia
2017-06-10 13:08:51 +02:00
e653475ff7
NMT: Allow NULL (B'0000') to be used as country selector in traffic area
2017-06-10 13:08:23 +02:00
6adfcf7466
Status display
...
Alows to show status of current channels and users
2017-06-10 13:08:21 +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
f72c53757d
B-Netz, NMT: Improved check for minimum required sample rate
2017-02-18 21:01:15 +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
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
bc028cd4d3
NMT: Make supervisory signal default, also allow setting per channel.
2017-02-18 21:00:57 +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
d447be5e26
NMT: Rework on FSK process, no more requirement for special sample rates
2017-01-07 06:28:20 +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
f111c50478
A-Netz / B-Netz: Add function to change state, debug with channel info
...
Change state uses a function rather than directly setting state
variable.
Some debug commands now use channel number. (for multi-trx setups)
2016-12-06 17:47:58 +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
5f5683e374
NMT: Fixed compiler warning
2016-11-13 06:42:18 +01:00
2a4abc62b2
Move realtime scheduling and signal handling to common code
2016-11-13 06:37:56 +01:00
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
4c1c8eb6fb
NMT: Fix on paging retry
2016-08-28 15:29:13 +02:00
37ca463d98
NMT: Fixed channel coding for channels other than 1..9
2016-08-20 10:21:46 +02:00
8cecf13b1a
NMT: Add transaction handling
2016-08-20 09:57:05 +02:00
f15c0dfea3
NMT: Fixing audio level of supervisory signal to match 0.3 KHz deviation
2016-08-03 12:03:52 +02:00
55229a397c
NMT: Fix, stop ringing timer at answer
2016-08-03 12:03:52 +02:00
28ae3e300f
NMT: Fixed multi-transceiver mode and show channel in various logs
2016-08-03 12:03:51 +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
0bc5ee553c
NMT: Fix SMS cleanup
2016-07-31 18:52:31 +02:00
cc8631d4f9
NMT: Give warning of missing channel type AFTER creating all channels
2016-07-31 18:48:20 +02:00
eb8a22e2c2
NMT: Fix SMS deliver output message
2016-07-31 14:49:43 +02:00
0593f7d066
Fix typos
2016-07-24 12:31:09 +02:00
6a5af9aeac
Typos: acknowledgement -> acknowledgment signalling -> signaling
2016-07-24 12:31:08 +02:00
123979a0f3
NMT: Minor fix at debug output
2016-07-24 12:31:08 +02:00
8741833948
NMT: Change 'index' of message to 'mt' (message type)
2016-07-24 12:31:08 +02:00
5807a49f49
Release active call, when disconnect is received from network
...
If early disconnect is received, the connecion is kept established, so the
announcement can be heared by mobile subscriber.
2016-07-24 12:31:08 +02:00
4745b29115
NMT: Caller ID support
2016-07-24 12:31:07 +02:00
ba8bf0e9d5
NMT: Fix autoanswer
...
If phone does not support autoanswer, the MTX proceeds with regular ringing.
2016-07-24 12:31:07 +02:00
efb50532c6
NMT: Rework on frame (message) types
2016-07-24 12:31:07 +02:00
a6bd841247
NMT: Various fixes for SMS support
2016-07-24 12:31:05 +02:00
2137db0e01
NMT: Autoanswer for SMS/DMS calls
2016-07-09 15:16:17 +02:00
e7fa08b6df
NMT / SMS: Short Message Service support
2016-07-09 15:16:16 +02:00
64c829909b
NMT / DMS: User data facility support (required for SMS)
2016-07-09 11:27:24 +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
26593ed034
NMT: fix minor bug
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
50136d7e8a
NMT: Typo in channel list
2016-05-15 20:43:58 +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
bbab972b51
NMT: Fixup paging on other channel
2016-05-13 09:37:03 +02:00
69ccdb99b5
NMT: Calibration of tone levels on TX and RX side
2016-05-13 09:37:03 +02:00
bae12156a2
common code: Add input gain option
2016-05-08 15:49:45 +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
97c9eee322
Fix display of correct program name
2016-05-08 08:11:35 +02:00
b73894ac49
B-Netz / NMT: minor changes at signal detection
2016-05-06 07:05:40 +02:00
47dbf094d9
NMT: Changes in parity check
2016-05-06 07:05:30 +02:00
4356c93afa
common: Add pre and de emphasis, if the radio does not support it
...
Connect to the oscillator of the transmitter - good girl!
You need to enable pre emphasis in this case.
Connect to the discriminator of the receiver - good boy!
You need to enable de emphasis in this case.
2016-04-24 15:14:56 +02:00
5062628e52
NMT: Calculate quality of sync sequence and drop in case of bad quality
...
This eliminates chance of findig a sync sequence in noise or speech
2016-04-24 15:14:56 +02:00
c0cd74ac85
NMT: Show levels of received frames
2016-04-24 15:12:21 +02:00
2a092b8cf7
Fixing compander
2016-04-24 15:10:25 +02:00
9de121109d
common code: Sample rate conversion now supports any rate above 8000 Hz
2016-04-17 16:49:39 +02:00
17a93b501b
NMT: Fix hint and list of traffic area configuration
2016-03-27 17:56:04 +02:00
1146537d84
common code: Add feature to record received audio and replay it
...
-W <file.wav> writes a wave file of received audio
-R <file.wav> reads a wave file to feed into decoder
This way you can record a phone and later debug without a phone
and radio equipment.
2016-03-27 17:56:04 +02:00
0aa749d27b
WIP: NMT docs
2016-03-26 17:35:20 +01:00
a5db02775e
fixup debug class definition: rename DFSK and DAUDIO to DDSP
2016-03-15 19:26:13 +01:00
57caa536cf
Implementation of NMT (Nordic Mobile Telephoe) network
2016-03-13 19:42:19 +01:00
Andreas Eversberg
Andreas Eversberg