083ea4edaa
Restructure: Move fsk from common code to 'libfsk'
2017-11-25 19:24:03 +01:00
16194c15f9
Restructure: Move goertzel from common code to 'libgoertzel'
2017-11-25 19:23:54 +01:00
fd3a4d7ac2
Restructure: Move dtmf from common code to 'libdtmf'
2017-11-25 19:23:46 +01:00
b605da1aff
Restructure: Move timer from common code to 'libtimer'
2017-11-13 20:00:52 +01:00
486d2d5dbe
NMT: Fixup assign traffic channel
...
dms_call state now belongs to transaction, so it is kept while switching
to traffic channel.
2017-11-11 09:35:44 +01:00
ba036de226
Add function to display measurements on screen
...
Use 'm' key to toggle display.
2017-10-12 19:46:30 +02:00
534411d660
New common FSK implementation, replaces all individual implementations
2017-08-09 17:27:13 +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
538b4a42ec
Add wave file playback to replace TX audio
2017-07-15 07:38:16 +02:00
50b2021d21
NMT 450: Support for other European counties, like Belgium, Czech, Slovakia
2017-06-10 13:08:51 +02:00
4d10ee7c82
No "sdr" audio device option required anymore (when using SDR)
2017-05-17 20:06:42 +02:00
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
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
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
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
8cecf13b1a
NMT: Add transaction handling
2016-08-20 09:57:05 +02:00
cc8631d4f9
NMT: Give warning of missing channel type AFTER creating all channels
2016-07-31 18:48:20 +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
a6bd841247
NMT: Various fixes for SMS support
2016-07-24 12:31:05 +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
2ee51022f4
Rename 'compander' to 'compandor'
2016-06-20 19:37:56 +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
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
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
57caa536cf
Implementation of NMT (Nordic Mobile Telephoe) network
2016-03-13 19:42:19 +01:00
Andreas Eversberg