Andreas Eversberg
6ba1b8acab
Make LimeSDR tune rx to tx frequency
2018-05-21 19:39:09 +02:00
Andreas Eversberg
32cefbbffc
Transcode fourth digit of TACS phone number correctly, if it is 0.
2018-04-19 21:08:45 +02:00
Andreas Eversberg
49050eff90
Add 'osmoradio', an analog radio (FM/AM)
...
This radio can be a receiver or a transmitter or both simultaniously.
2018-02-16 15:54:42 +01:00
Andreas Eversberg
c4d4e7feda
Add libam, a library to do AM modulation and demodulation
2018-02-16 15:54:42 +01:00
Andreas Eversberg
3fd0707a3b
Add libclipper, a library to 'smoothly' clip overdriven audio levels
2018-02-16 15:54:41 +01:00
Andreas Eversberg
9197320ee6
Improved audio (sdr) handling
2018-02-16 15:54:40 +01:00
Andreas Eversberg
9af2b6e007
Improved wave playback
2018-02-16 15:54:40 +01:00
Andreas Eversberg
3a5fa8837c
Improved emphasis
2018-02-16 15:54:39 +01:00
Andreas Eversberg
50fee02c63
remove obsolete function
2018-02-16 15:54:39 +01:00
Andreas Eversberg
a57a5c0122
Improving and cleaning configure script
2018-02-16 15:53:48 +01:00
Andreas Eversberg
56f07a473d
B-Netz: Add dial sequence generator to emulate call setup from mobile phone
2018-02-15 08:00:20 +01:00
Andreas Eversberg
a5aee82e53
B-Netz: Some cleanups
2018-02-15 08:00:20 +01:00
Andreas Eversberg
6b9326982a
libwave: Use libdebug for debugging messages.
2018-02-15 08:00:19 +01:00
Andreas Eversberg
f91e6f5034
Make libdebug not depend on libdisplay
2018-02-15 08:00:19 +01:00
Andreas Eversberg
6277753574
Minor debug message corrections
2018-02-15 08:00:18 +01:00
Andreas Eversberg
1ef1b93776
B-Netz: Give warning about possibly unsupported channels
2018-02-15 08:00:16 +01:00
Andreas Eversberg
6df0eb46cc
Fix compiler warnings
2018-02-15 08:00:15 +01:00
Andreas Eversberg
4cc33c5b0d
Make sound card support (Alsa) optional
2018-02-15 08:00:15 +01:00
Andreas Eversberg
0b129d3c7f
libdisplay: Removing dependency from libmobile
2018-02-15 08:00:14 +01:00
Andreas Eversberg
d3385b498d
NMT: Fixes on channel coding/handling
2018-02-15 08:00:12 +01:00
Andreas Eversberg
72bdd3376f
Add JollyCom, a simple and experimantal mobile network
...
This network that can be used with any radio and a DTMF transmitter.
2018-01-21 10:46:09 +01:00
Andreas Eversberg
f2eb6b3e70
Squelch improvement
...
Continuously calculate noise floor and lower threshold level if less noise
was received. High noise or ongoing transmission during start of program will
not cause a threshold that is too far above the actual noise floor.
2017-12-09 20:46:16 +01:00
Andreas Eversberg
9f901384de
SDR: Add option to set local oscillator (LO) offset
...
By default it is set to -1 MHz.
2017-12-09 20:46:14 +01:00
Andreas Eversberg
c49ee3b2a8
Remove dependencies between debug, displays and mncc-console
...
Test functions are cleaned up, due to removed dependencies.
2017-12-09 20:46:13 +01:00
Andreas Eversberg
b3866de242
Add 'hold' function and level display to spectrum view
2017-12-05 11:10:47 +01:00
Andreas Eversberg
7c42d57d6e
B-Netz: Minor fixes to timings and debug messages
2017-12-05 11:10:46 +01:00
Andreas Eversberg
417151e9a3
SDR: Add DC offset removal (DC bias)
2017-12-05 11:10:44 +01:00
Andreas Eversberg
9e75e64787
Add DTMF decoder to libdtmf
...
Note: This decoder has no user yet.
2017-12-03 08:46:05 +01:00
Andreas Eversberg
44247ffb53
FM modulation: Never turn carrier completely off
...
This prevents IIR filter to become very slow for some unknown reason.
2017-12-03 08:46:04 +01:00
Andreas Eversberg
7cbfaa2861
Add NaN debugging to IIR filter (disabled by default)
2017-12-03 08:46:02 +01:00
Andreas Eversberg
06092e90ed
Add library to normalize speech level (Sendevolumenregler SVoR)
...
Note: This lib has no user yet.
2017-12-03 08:46:01 +01:00
Andreas Eversberg
021c695883
Restructure: Fixing library linking order
2017-12-03 08:46:00 +01:00
Andreas Eversberg
1a341f6b4e
Restructure: Move debug from common code to 'libdebug'
2017-12-03 08:45:58 +01:00
Andreas Eversberg
016e72d6d7
Restructure: Move display from common code to 'libdisplay'
2017-12-03 08:45:55 +01:00
Andreas Eversberg
ab59a26a51
Restructure: Move mobile from common code to 'libmobile'
2017-12-03 08:45:54 +01:00
Andreas Eversberg
ed31a26eba
Restructure: Move sample from common code to 'libsample'
2017-12-03 08:45:48 +01:00
Andreas Eversberg
1650cc5ad2
Restructure: Move sdr from common code to 'libsdr'
2017-12-03 08:45:45 +01:00
Andreas Eversberg
45a5568f70
Restructure: Move sound from common code to 'libsound'
2017-11-25 19:28:36 +01:00
Andreas Eversberg
0e3e4d9230
Restructure: Move img from common code to 'libimage'
2017-11-25 19:28:35 +01:00
Andreas Eversberg
7b539d5dc7
Restructure: Move mncc from common code to 'libmncc'
2017-11-25 19:28:33 +01:00
Andreas Eversberg
9776736cc4
Restructure: Move compandor from common code to 'libcompandor'
2017-11-25 19:25:10 +01:00
Andreas Eversberg
083ea4edaa
Restructure: Move fsk from common code to 'libfsk'
2017-11-25 19:24:03 +01:00
Andreas Eversberg
f4754dcb37
Restructure: Move fm_modulation from common code to 'libfm'
2017-11-25 19:24:02 +01:00
Andreas Eversberg
7af9b752a0
Restructure: Move 'libgermantone' to a-netz code
2017-11-25 19:23:59 +01:00
Andreas Eversberg
cb30c96bc6
Restructure: Move fft from common code to 'libfft'
2017-11-25 19:23:57 +01:00
Andreas Eversberg
40c24a70b2
Restructure: Move emphasis from common code to 'libemphasis'
2017-11-25 19:23:56 +01:00
Andreas Eversberg
16194c15f9
Restructure: Move goertzel from common code to 'libgoertzel'
2017-11-25 19:23:54 +01:00
Andreas Eversberg
c84318b245
Restructure: Move jitter from common code to 'libjitter'
2017-11-25 19:23:53 +01:00
Andreas Eversberg
8f6d0752df
Restructure: Move squelch from common code to 'libsquelch'
2017-11-25 19:23:50 +01:00
Andreas Eversberg
60ffdcaf53
Restructure: Move hagelbarger from common code to 'libhagelbarger'
2017-11-25 19:23:49 +01:00
Andreas Eversberg
ac7bb3539f
Restructure: Move wave from common code to 'libwave'
2017-11-25 19:23:47 +01:00
Andreas Eversberg
fd3a4d7ac2
Restructure: Move dtmf from common code to 'libdtmf'
2017-11-25 19:23:46 +01:00
Andreas Eversberg
17b34fbae6
Restructure: Move scrambler from C-Netz code to 'libscrambler'
2017-11-14 21:04:58 +01:00
Andreas Eversberg
ffd934709f
Restructure: Move classic German tones from common code to 'libgermanton'
2017-11-13 20:14:03 +01:00
Andreas Eversberg
b605da1aff
Restructure: Move timer from common code to 'libtimer'
2017-11-13 20:00:52 +01:00
Andreas Eversberg
1b183864bb
Restructure: Move sample rate conversion from common code to 'libsamplerate'
2017-11-13 19:34:05 +01:00
Andreas Eversberg
669705c6ed
Restructure: Move filters from common code to 'libfilter'
2017-11-13 19:15:09 +01:00
Andreas Eversberg
fc1c5de547
Fixed pointer corruption bug in timer.c
2017-11-11 09:36:05 +01:00
Andreas Eversberg
8a74805ea6
NMT: Add support for receiving 8-Bit-SMS, because it is mandatory
...
Benefone Dragon uses this coding scheme for SMS-Submit.
2017-11-11 09:35:46 +01:00
Andreas Eversberg
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
Andreas Eversberg
ce2bb8ec43
Fixup call control split
2017-11-11 05:55:32 +01:00
Andreas Eversberg
e9583d5661
R2000: Make recall work when call is directly answered by call_up_setup
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It is not recommended to use recall function with built-in MNCC (auto-answer),
because the phone is not fast enough to switch back to call control channel
and so it misses the first paging. But anyway it works.
Also the channel layout is checked for having traffic and control channel.
2017-11-05 17:00:01 +01:00
Andreas Eversberg
aeb31a7a34
A-Netz: Number of operator can be defined now
...
Since A-Netz does not allow automatic dialing, the call is forwarded
to an operator. Use -O <number> to change the default operator's number.
2017-11-05 16:59:59 +01:00
Andreas Eversberg
ca6d70566c
Fixup displaying measurements (array overflow)
2017-11-05 16:59:59 +01:00
Andreas Eversberg
e8a3306eee
Add option to cross-connect calls; Calls between mobiles are now possible
...
Use -x to enable call cross-connect. No MNCC socket, no call device must
be specified!
Be sure to have at least one control channel and two voice channels.
Alternatively you can use one combined control/voice channel and one
voice channel.
2017-11-05 16:59:58 +01:00
Andreas Eversberg
87a21a285a
NMT: Assign traffic channel for outgoing and incoming calls
...
This way the control channel stays available for other (idle) phones.
No more loss of coverage for other phones, when a call to a mobile is
made.
It is still possible to define a combined control+traffic channel.
(e.g. for single channel setup)
2017-11-05 16:58:37 +01:00
Andreas Eversberg
5c33b8824b
AMPS/TACS: Fixing release towards mobile station on FVC
...
We must continuously send release frames until Signaling Tone changes,
so we know that the phone has received the release.
2017-11-05 16:58:36 +01:00
Andreas Eversberg
ee3fbeb03b
Split call control from built-in call console by using MNCC layer
2017-11-05 16:58:31 +01:00
Andreas Eversberg
91b48c09de
TV: Fix case where no SDR nor wave file has been selected
2017-10-22 19:23:18 +02:00
Andreas Eversberg
5e14471eb6
B-Netz: Fixup of metering pulse
2017-10-22 19:23:17 +02:00
Andreas Eversberg
2c4d0ee687
SDR: Check if the required bandwidth can be handled by given sample rate
2017-10-22 19:23:09 +02:00
Andreas Eversberg
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
Andreas Eversberg
f7a0e4622b
Display channel offset with TX and RX channel frequencies on startup
2017-10-22 19:23:06 +02:00
Andreas Eversberg
e67c171035
SDR: Minor fixes in error condition handling
2017-10-22 19:23:05 +02:00
Andreas Eversberg
f7476bce41
NMT-900: Handle channels >= 1025 correctly
2017-10-22 19:23:04 +02:00
Andreas Eversberg
3218d1a8e0
NMT: Fixed segfault when decoding certain (invalid) messages
2017-10-22 19:23:03 +02:00
Andreas Eversberg
975e34211b
Call control: Minor logging fixes
2017-10-22 19:23:02 +02:00
Andreas Eversberg
ae29f84ed7
Fixed typo
2017-10-12 19:46:32 +02:00
Andreas Eversberg
595fd845e0
NMT: Removed double implementation of caller ID encoding
2017-10-12 19:46:32 +02:00
Andreas Eversberg
ba036de226
Add function to display measurements on screen
...
Use 'm' key to toggle display.
2017-10-12 19:46:30 +02:00
Andreas Eversberg
e84d7a082c
Use braces to make GCC happy
2017-10-02 12:34:38 +02:00
Andreas Eversberg
c645ef9c14
R2000: Use correct debug category
2017-10-02 12:34:35 +02:00
Andreas Eversberg
1a4a08386c
Only dial if call is on-hook or disconnected
2017-10-02 12:34:34 +02:00
Andreas Eversberg
3f2f0fdd8c
C-Netz: Show standard deviation of bit levels instead of jitter
2017-10-02 12:34:33 +02:00
Andreas Eversberg
5ea48588e5
AMPS/TACS: Change audio level range
2017-10-02 12:34:31 +02:00
Andreas Eversberg
3e1da04f14
AMPS: Minor fixes to loopback test
2017-10-02 12:34:27 +02:00
Andreas Eversberg
f469879ed0
SDR: Use filter to remove harmonics caused by downsampling/upsampling
...
This drastically increases the signal-noise-ratio and removes co-channel
interferences. It gains CPU usage, but only on SDR threads, not on the
main thread.
2017-09-24 15:59:24 +02:00
Andreas Eversberg
ff5faa8697
SDR: Improved IQ plot display, increase dynamics of spectrum display
2017-09-24 15:57:56 +02:00
Andreas Eversberg
c1fe179d5d
AMPS: Fix 'use-after-free-bug' after destroying transaction
2017-09-24 14:11:54 +02:00
Andreas Eversberg
b6468b585d
NMT: Minor fixes on frame data
2017-09-22 16:51:47 +02:00
Andreas Eversberg
08dd180ea0
Add echo test feature to check mobile phone's mic + speaker
...
Add '-e' to command line option, but do not select MNCC nor call device
2017-09-21 20:29:30 +02:00
Andreas Eversberg
274cb7992b
SDR: Improvement of spectrum view, peaks are drawn correctly
2017-09-16 10:48:48 +02:00
Andreas Eversberg
5b1956fe49
Move sms and dms code (NMT) to separate lib.a
2017-09-11 20:37:03 +02:00
Andreas Eversberg
b6326aa473
Move commonly used German tones (A/B/C-Netz) to separate lib.a
2017-09-11 20:35:18 +02:00
Andreas Eversberg
7017fd7b3c
Give hint to alter PKG_CONFIG_PATH, if SoapySDR or UHD was not found
2017-09-11 20:31:29 +02:00
Andreas Eversberg
d28a5df024
R2000: Minor fix in channel description
2017-09-03 19:13:21 +02:00
Andreas Eversberg
9205767f94
SDR: Display spectrum graph together with channel numbers and position
2017-09-02 15:41:11 +02:00
Andreas Eversberg
496aff5a79
Add implementation of analog TV signal generator (PAL so far)
...
Quick and dirty Howto:
make && tv/osmotv --sdr-soapy --sdr-tx-gain 60 -r 15000000 -c 21 tx-fubk --sdr-tune-args "OFFSET=-3000000"
2017-09-02 07:34:50 +02:00
Andreas Eversberg
a52c89800c
SDR: Split SDR config from main_mobile.c to sdr_config.c
2017-09-02 07:34:48 +02:00
Andreas Eversberg
94ed39f5e2
JTACS: Implementation of the Japanese variant of TACS
2017-09-01 18:42:54 +02:00