6e2fd793ac
Increase compiler warnings and fix them
2024-04-05 21:51:41 +02:00
b613123291
Open sound device for capture or playback only, if full duplex is not required
2024-03-30 23:28:13 +01:00
a20637825a
Audio rework, new jitter buffer
...
Jitter buffer is now based on packets, not on samples. The frames are
dejittered in received form. After reading from jitter buffer, they are
decoded in correct order. If a frame is missing, it is concealed by
repeating audio.
2024-03-30 23:28:05 +01:00
2dcf10b1b1
Add metering information from osmo-cc to B-Netz and C-Netz
...
Untested!
2024-02-18 16:23:31 +01:00
3158c48365
Move from local to external osmo* libraries
...
src/libdebug -> libosmocore
src/libselect -> libosmocore
src/libtimer -> libosmocore
src/libosmocc -> libosmo-cc
src/libg711 -> libosmo-cc
2024-02-18 16:23:29 +01:00
9f662d309f
Add libselect to use select instead of polling all file descriptors
2023-01-21 15:15:52 +01:00
f4abbaf027
Make libtimer to be osmo_* compatible in some places
2023-01-21 15:15:39 +01:00
fd3b4dae50
FSK modulator improvements
...
1. Phase is now changed proportional to the time of the bit change, if
it happens somewhere between samples. The amount of phase change per
bit is now the same for all bits, no matter how many samples
currently lay inside this bit.
2. IIR filter is removed, because it causes distortions. A cosine shape
is now used to transit between phase change of F0 to F1 and vice
versa. This limits the spectrum. This filter is optional.
2022-12-16 12:43:19 +01:00
2b7efedc48
Refactoring jitter buffer
...
Features are:
* Packet based buffer
* Random in, first out
* Adaptive delay compensation (voice)
* Fixed delay (data, optionally MODEM/FAX)
* Interpolation of missing frames
* Any sample size
2022-10-23 16:56:27 +02:00
fd5ac46b86
B-Netz: Added more base stations, improved display of station list
2022-02-18 21:11:55 +01:00
423bc42429
Refactoring validity check and prefix processing of dialed number
...
Command line help shows how many digits and what prefixes can be dialed.
Giving a station ID via command line will be checked for being valid.
The number to call the mobile statione will be checked for being valid.
Prefixes that are defined for a nework will be removed from station ID
automatically.
Multiple station ID lengths are supported:
* C-Netz: 7 or 8 digits, depending on area code length
* A-Netz: 5 or 7 digits; number is truncated to last 5 digits.
* IMTS/MTS: 5 or 7 digits, depending on phone's selector switch.
2021-11-07 20:00:42 +01:00
922b4af362
Refactoring ASCCI-Art image printing
2021-11-07 08:55:46 +01:00
6fa74a1296
Refactor global variables for signal processing
...
These are:
device, sample rate, buffer, latency
Called now:
dsp_device, dsp_samplerate, dsp_buffer, dsp_latency
Call audio device:
call_device, call_samplerate, call_buffer
2021-10-24 06:25:10 +02:00
1b16029ac6
B-Netz: Improved detection of tone/frame
...
- Be less tollerant to levels when detcting tones.
- Squelch applies to tone detector also
2021-09-17 16:17:05 +02:00
3d9481177b
Config file path can be changed by command line option "--config <path>"
2021-03-20 11:19:37 +01:00
8c0a25f3b0
Added special strdup to liboptions, to prevent memory leaks for option strings
...
If you are doing memory leak debugging you don't want to see any leaks when
stopping the program.
2021-03-07 10:38:38 +01:00
Martin Hauke
a07764f0d9
Fixed typos in cli output and source code comments
2021-01-03 09:57:03 +01:00
2cb2d5f3ac
Replaced MNCC by OSMO-CC
2020-12-29 11:11:41 +01:00
d0d14e2acf
Add G.711 codec (alaw / ulaw conversion)
2020-12-29 11:11:41 +01:00
ed72e29dbb
Add tx-gain option
2020-10-29 07:39:27 +01:00
f132059edf
Add clock function to call interface
...
Implementations will have a clock to play tones, if no clock is
available from a transceiver.
2020-01-12 11:17:58 +01:00
150a77b69d
Add support for AM to libmobile and libsdr
2019-12-08 17:26:44 +01:00
c2f14834e5
Rename dbm0 (level) to speech (level)
...
In mobile communications we use speech level instead of milliwatts.
The deviation (FM) is always based on speech level, not on 1 milliwatt.
2019-12-08 17:24:36 +01:00
db1fee9698
minor code cleanup
2019-11-29 15:58:59 +01:00
445af0c0a2
Add filter switch to FSK modulator
2019-11-29 15:58:32 +01:00
6dcc8baad4
Split FSK modem code into separate modulator and demodulator
2019-11-29 15:58:32 +01:00
af4bcb1522
Remove useless debug lines
2019-08-26 21:10:33 +02:00
d6579c1244
Allow giving alphanumeric channels (Prepare for IMTS)
2019-08-26 21:10:20 +02:00
Martin Hauke
75765d49b7
Fixed many typos in output and source code comments
2019-07-15 21:14:52 +02:00
1eac087935
Output ASCII art image after all init functions (inside main_mobile.c)
2019-06-30 14:51:01 +02:00
8c6f78fd63
B-Netz: Make debug text more plausible
2019-05-30 18:17:55 +02:00
e16a2dd548
B-Netz: Add base stations of the Netherlands
2018-12-23 19:26:59 +01:00
32025915d5
Make run faster on ARM CPUs using fast math approximation
...
Use --fast-math to use sine/cosine tables and approximate atan2.
2018-11-10 15:18:28 +01:00
f4988297a6
B-Netz: Refactoring tone and quality detection
2018-06-05 07:09:51 +02:00
4e2ad7dae1
Fix compiler warning in conjunction with strncpy
2018-05-21 19:39:09 +02:00
3b81007210
Refactoring command line option handling
...
* Use own function to define and parse command line options
* Command line options can be defined by config file also
* --limesdr allows to auto-set required SDR option for LimeSDR
2018-05-21 19:39:09 +02:00
56f07a473d
B-Netz: Add dial sequence generator to emulate call setup from mobile phone
2018-02-15 08:00:20 +01:00
a5aee82e53
B-Netz: Some cleanups
2018-02-15 08:00:20 +01:00
6277753574
Minor debug message corrections
2018-02-15 08:00:18 +01:00
1ef1b93776
B-Netz: Give warning about possibly unsupported channels
2018-02-15 08:00:16 +01:00
6df0eb46cc
Fix compiler warnings
2018-02-15 08:00:15 +01:00
4cc33c5b0d
Make sound card support (Alsa) optional
2018-02-15 08:00:15 +01:00
0b129d3c7f
libdisplay: Removing dependency from libmobile
2018-02-15 08:00:14 +01:00
7c42d57d6e
B-Netz: Minor fixes to timings and debug messages
2017-12-05 11:10:46 +01:00
021c695883
Restructure: Fixing library linking order
2017-12-03 08:46:00 +01:00
1a341f6b4e
Restructure: Move debug from common code to 'libdebug'
2017-12-03 08:45:58 +01:00
016e72d6d7
Restructure: Move display from common code to 'libdisplay'
2017-12-03 08:45:55 +01:00
ab59a26a51
Restructure: Move mobile from common code to 'libmobile'
2017-12-03 08:45:54 +01:00
ed31a26eba
Restructure: Move sample from common code to 'libsample'
2017-12-03 08:45:48 +01:00
1650cc5ad2
Restructure: Move sdr from common code to 'libsdr'
2017-12-03 08:45:45 +01:00
Andreas Eversberg
Martin Hauke