williamp/osmocom-analog
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6a18c924fb6f24b8690c7abf6a096c44c209ce67
Commit Graph

68 Commits

Author SHA1 Message Date
Andreas Eversberg
6a18c924fb V.27ter Modem emulation (partly) 2020-12-21 08:38:44 +01:00
Andreas Eversberg
5070bc70bd Added FIR filter to libfilter 2020-12-21 08:38:44 +01:00
Andreas Eversberg
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
Andreas Eversberg
150a77b69d Add support for AM to libmobile and libsdr 2019-12-08 17:26:44 +01:00
Martin Hauke
75765d49b7 Fixed many typos in output and source code comments 2019-07-15 21:14:52 +02:00
Andreas Eversberg
1eac087935 Output ASCII art image after all init functions (inside main_mobile.c) 2019-06-30 14:51:01 +02:00
Andreas Eversberg
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
Andreas Eversberg
73757ba083 NMT: Fix test of SMS code for different time zones 2018-11-10 15:18:28 +01:00
Andreas Eversberg
e9a7f610ee Compandor: Remove unused option for unaffected level 2018-10-14 13:07:25 +02:00
Andreas Eversberg
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
Andreas Eversberg
3a5fa8837c Improved emphasis 2018-02-16 15:54:39 +01:00
Andreas Eversberg
f91e6f5034 Make libdebug not depend on libdisplay 2018-02-15 08:00:19 +01:00
Andreas Eversberg
4cc33c5b0d Make sound card support (Alsa) optional 2018-02-15 08:00:15 +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
9e75e64787 Add DTMF decoder to libdtmf 
Note: This decoder has no user yet.
 2017-12-03 08:46:05 +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
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
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
40c24a70b2 Restructure: Move emphasis from common code to 'libemphasis' 2017-11-25 19:23:56 +01:00
Andreas Eversberg
c84318b245 Restructure: Move jitter from common code to 'libjitter' 2017-11-25 19:23:53 +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
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
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
ee3fbeb03b Split call control from built-in call console by using MNCC layer 2017-11-05 16:58:31 +01:00
Andreas Eversberg
5b1956fe49 Move sms and dms code (NMT) to separate lib.a 2017-09-11 20:37:03 +02:00
Andreas Eversberg
cff7622f5c Move mobile phone specific code from libcommon.a to libmobile.a 2017-09-01 18:42:49 +02:00
Andreas Eversberg
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
Andreas Eversberg
534411d660 New common FSK implementation, replaces all individual implementations 2017-08-09 17:27:13 +02:00
Andreas Eversberg
8ce3ff455d Add incoming answer to call control, also allow to send recall tone 2017-08-09 17:27:08 +02:00
Andreas Eversberg
0cbd9657d2 Move Hagelbarger error correction code from NMT to common code 
It will be used by Radiocom 2000 also.
Some minor fixes and improvements apply.
 2017-08-08 12:53:48 +02:00
Andreas Eversberg
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
Andreas Eversberg
0c9de251be NMT: Implement Hagelbarger Code 
This will correct burst errors of received messages. If the message
is too corrupted, it will be ignored, because some element may not
match then. The digits and line signals are checked for consistency,
since they are repeated serveral times in a message.
 2017-08-08 12:52:29 +02:00
Andreas Eversberg
085ceb9173 Minor fixes to compandor 2017-07-15 07:38:12 +02:00
Andreas Eversberg
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
Andreas Eversberg
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
Andreas Eversberg
58ebc15292 Add test to measure performance of FM modulation and filtering 2017-02-18 21:02:53 +01:00
Andreas Eversberg
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
Andreas Eversberg
bd7ccc5fa0 Add global DC-Filter and remove all individual DC-Filters 2017-02-18 21:01:12 +01:00