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
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
17b34fbae6
Restructure: Move scrambler from C-Netz code to 'libscrambler'
2017-11-14 21:04:58 +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
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
e84d7a082c
Use braces to make GCC happy
2017-10-02 12:34:38 +02:00
3f2f0fdd8c
C-Netz: Show standard deviation of bit levels instead of jitter
2017-10-02 12:34:33 +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
eb0c123433
C-Netz: Fixed overflow bug
2017-09-01 18:42:51 +02:00
dfdad21e3f
C-Netz: Work on system informations, metering and call queues
...
- Make system informations configurable
- Simulate call mertering
- Support for call queues on busy voice channels
2017-09-01 18:42:51 +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
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
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
76a3484c5c
C-Netz: Make demodulation algorithm (slope or leve) slectable via option
...
By default (auto), the algorithm is selected, depending on sound card
or SDR usage. For testing and debugging purpose, the algorithm can be
forced.
2017-05-19 19:11:59 +02:00
c086e66b7c
minor cleanups
2017-05-17 20:14:37 +02:00
ef7ff26793
C-Netz: SDR now uses zero-crossing to detect level changes.
...
This does not work with analog radio, but with SDR it works.
The quality should be better and the process is faster.
2017-05-17 20:06:46 +02:00
9d87b5bf0f
C-Netz: Improved transmission of speech
...
The speech is now correctly ramped up and down during pause bits.
2017-05-17 20:06:44 +02:00
4d10ee7c82
No "sdr" audio device option required anymore (when using SDR)
2017-05-17 20:06:42 +02:00
ca10048e5c
Rename filter -> iir_filter (file name and instance name)
...
This is useful when using fir_filter in the future.
2017-05-15 21:46:32 +02:00
369bda87a9
C-Netz: Improved decoder debugging
...
FM decoder debug output is now written to text files for better
debugging of process.
2017-05-15 21:46:25 +02:00
8e0d7d2513
samplerate.c: Allow transcoding to lower sample rate other than 8000 Hz
2017-03-04 16:52:20 +01:00
3fc4fc54be
main_common: Move init and cleanup function to main function
2017-03-04 07:12:12 +01:00
f689244f98
C-Netz: OgK must be on first channel, so sync works correctly
2017-02-18 21:02:56 +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
17b6124122
C-Netz: Remove useless -V option
2017-02-18 21:02:54 +01:00
4de1e0188d
C-Netz: Add low pass filter to eliminate high frequency noise
...
This improves the FSK decoding quite allot, especially with SDR.
2017-02-18 21:02:52 +01:00
3fb2ade352
C-Netz: Fix release of call process when no dialing was received from phone
2017-02-18 21:02:48 +01:00
0611f62b52
Show channel number and basic info when channel was created
2017-02-18 21:02:47 +01:00
5f1d7bc970
C-Netz: Improve clock speed measurements.
...
Sound card's clock measurements only requires a few minutes to get sub-ppm
accuracy results.
2017-02-18 21:02:46 +01:00
faa3dfb7d4
C-Netz: Make average to clock measurements for a quicker result
2017-02-18 21:01:19 +01:00
8cb0187133
C-Netz: Remove the obviously useless noise function for unused timeslots
2017-02-18 21:01:17 +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
71e556e7ff
Work on emphasis filter: Neutral @ 1000 Hz; Use filter before de-emphasis
2017-02-18 21:01:11 +01:00
Andreas Eversberg