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
083ea4edaa
Restructure: Move fsk from common code to 'libfsk'
2017-11-25 19:24:03 +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
8f6d0752df
Restructure: Move squelch from common code to 'libsquelch'
2017-11-25 19:23:50 +01:00
ac7bb3539f
Restructure: Move wave from common code to 'libwave'
2017-11-25 19:23:47 +01:00
ffd934709f
Restructure: Move classic German tones from common code to 'libgermanton'
2017-11-13 20:14:03 +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
ee3fbeb03b
Split call control from built-in call console by using MNCC layer
2017-11-05 16:58:31 +01:00
5e14471eb6
B-Netz: Fixup of metering pulse
2017-10-22 19:23:17 +02:00
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
b6326aa473
Move commonly used German tones (A/B/C-Netz) to separate lib.a
2017-09-11 20:35:18 +02:00
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
3c0bcce97b
Move German tones from common code to individual implementation
2017-09-01 18:42:48 +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
ae2b0cce0c
B-Netz: Be more tollerant with quality of continuous tones
2017-09-01 18:42:44 +02:00
ee61c4362b
B-Netz: Use standard deviation to determine if an FSK frame is valid or not
2017-08-16 18:51:45 +02:00
41bd9999b1
B-Netz: Add metering pulse support (Gebuehrenimpuls)
2017-08-16 18:51:44 +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
538b4a42ec
Add wave file playback to replace TX audio
2017-07-15 07:38:16 +02:00
3e86ef95c4
B-Netz: Minor printf fix
2017-06-10 17:49:59 +02:00
6adfcf7466
Status display
...
Alows to show status of current channels and users
2017-06-10 13:08:21 +02:00
fc3b3e07be
Finetuning LOSS (noise) detection
...
The algorithm is still bad, but works in most cases
2017-05-24 14:00:08 +02:00
c086e66b7c
minor cleanups
2017-05-17 20:14:37 +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
a7e47f83d7
Fixed paging channel switching of B-Netz
...
Now the calling channel is switched correctly.
A global parameter is used to select how paging is performed.
2017-02-18 21:01:03 +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
286c11cab4
B-Netz: Add translation of emergency numbers 110 and 112
2017-01-02 17:38:54 +01:00
b59ce96889
B-Netz: Minor change on start image
2017-01-02 10:19:07 +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
938fb74bae
B-Netz: Fixes call procedure according to the standard FTZ 171 R 4
2016-11-27 22:06:47 +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
34954b50de
B-Netz: Rename special start digit for coin box phone type
2016-11-13 06:39:14 +01:00
2a4abc62b2
Move realtime scheduling and signal handling to common code
2016-11-13 06:37:56 +01:00
ea32ab3fa3
B-Netz: Move 'telegramm' generation to seperate telegramm.c/h files
2016-10-31 18:21:26 +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
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
038ce9d1b7
Add info key 'i' to show some states.
...
Currently showing C-Netz attached subscribers
2016-08-03 12:03:49 +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
4745b29115
NMT: Caller ID support
2016-07-24 12:31:07 +02:00
8906deb5dd
B-Netz: Added description for GFS 19 to reduce transmit power
2016-07-24 12:31:07 +02:00
5bbbe11666
B-Netz: Rework on dialing start digit: New unknown type added
2016-07-24 12:31:06 +02:00
3ef9ef88bd
B-Netz: Compiler switch to generate a dial sequence (for testing)
2016-07-24 12:30:56 +02:00
f39ee2f15a
common code: Add support for main loop handler
2016-07-09 11:27:02 +02:00
ab9aba1a84
B-Netz: Reply the station ID correctly
...
It must be replied right after it has been received the first time.
It does not matter if this happens a bit later, even a second later.
Thanx to Hans Wigger for providing recording from his B-Netz tester to
figure this out.
2016-07-06 16:19:01 +02:00
4d52f955b3
common code: Add processing interval option to decrese CPU usage
2016-06-18 19:33:08 +02:00
c933250685
Add dsp mode change fuction to A and B Netz, fixed NMT
2016-06-12 16:11:20 +02:00
997f8eda43
B-Netz: Add timer for switching back from calling channel
...
The timer ensures that the paging sequence is sent out by sound card before
switching back to traffic channel
2016-05-29 17:17:49 +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
7aa2445b47
Move amplitude (level) debugging to debug.c
2016-05-15 20:37:06 +02:00
021c34a899
Add geo locations of A-Netz and B-Netz towers. (not exact location)
2016-05-08 16:11:13 +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
38692e430b
B-Netz: Calibration of tone levels on TX and RX side
2016-05-08 08:11:17 +02:00
11487eefe8
B-Netz: Minor fixes on signals
2016-05-08 08:11:02 +02:00
b73894ac49
B-Netz / NMT: minor changes at signal detection
2016-05-06 07:05:40 +02:00
16acdbf59d
Implementation of C-Netz (German mobile telephone system)
2016-04-24 15:19:00 +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
9de121109d
common code: Sample rate conversion now supports any rate above 8000 Hz
2016-04-17 16:49:39 +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
a5db02775e
fixup debug class definition: rename DFSK and DAUDIO to DDSP
2016-03-15 19:26:13 +01:00
3bee5e728a
bnetz: Allow calling the phone using '05' prefix
2016-03-13 09:12:43 +01:00
0dc81fe210
Prepare for NMT: Fixes and improvements at common code
2016-03-13 09:12:23 +01:00
287b914b56
bnetz: Simplifying 'telegramm' handling
2016-03-13 09:12:19 +01:00
d21be383a6
anetz/bnetz: Move option 'loss detection' from common code to individual code
2016-03-13 09:12:16 +01:00
9b8e359264
anetz/bnetz: Remove redundant code to enter idle state
2016-03-13 09:12:14 +01:00
946c9ce10a
initial git import
2016-03-13 09:12:11 +01:00
Andreas Eversberg
Andreas Eversberg