743d147d16
SDR: Turn TX power off if requested by network
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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
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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
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NMT can now be run as 450 or 900 Network.
2017-08-08 12:52:45 +02:00
0c9de251be
NMT: Implement Hagelbarger Code
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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
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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
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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
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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
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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
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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
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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)
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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
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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
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* 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
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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
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* 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
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* 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
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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
Andreas Eversberg
Andreas Eversberg