Commit Graph

42 Commits

Author SHA1 Message Date
Andreas Eversberg
d0d14e2acf Add G.711 codec (alaw / ulaw conversion) 2020-12-29 11:11:41 +01:00
Andreas Eversberg
6a18c924fb V.27ter Modem emulation (partly) 2020-12-21 08:38:44 +01:00
Andreas Eversberg
150a77b69d Add support for AM to libmobile and libsdr 2019-12-08 17:26:44 +01:00
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
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
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
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
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
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
ac0da3f76e Filter improvement: LP and HP filters, added test function
The -3 dB level at cut-off frequency is now maintained for multiple
iterations.
2017-02-18 21:01:04 +01:00
Andreas Eversberg
57993e3e48 Support for UHD SDR interface 2017-02-18 21:00:49 +01:00
Andreas Eversberg
c273bbc5ff Remove console line before printing debugging and on exit 2016-07-24 12:31:08 +02:00
Andreas Eversberg
b3b42e8bc4 Cleanup warnings at autoconfig files 2016-07-24 12:31:06 +02:00
Andreas Eversberg
e7fa08b6df NMT / SMS: Short Message Service support 2016-07-09 15:16:16 +02:00
Andreas Eversberg
64c829909b NMT / DMS: User data facility support (required for SMS) 2016-07-09 11:27:24 +02:00
Andreas Eversberg
2ee51022f4 Rename 'compander' to 'compandor' 2016-06-20 19:37:56 +02:00
Andreas Eversberg
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
Andreas Eversberg
2a092b8cf7 Fixing compander 2016-04-24 15:10:25 +02:00