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Author SHA1 Message Date
Andreas Eversberg c357ab5ad5 Allow dialing national and international prefix for AMPS/TACS 2019-07-06 07:30:18 +02:00
Andreas Eversberg 41ee8239df Radio: Add option to change volume of transmission/reception 2019-07-05 21:50:24 +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 13245c56f6 C-Netz: Add authentication support (process only) 
No real authentication, since the algorithm and the keys inside the cards
are not known. A challenge can be specified and optionally the response
can be verified.
 2019-06-30 14:51:01 +02:00
Andreas Eversberg 5d9a9b59c3 OsmoTV: Generate correct amplitude of color signal (hopefully) 2019-06-01 19:15:06 +02:00
Andreas Eversberg 4362c78f38 SDR: Display DC line (center frequency) in the spectrum view 2019-05-30 21:08:23 +02:00
Andreas Eversberg 831b68401a SDR: Move center frequenc (DC) away from channels 
If one channel is used, shift the center frequency down by half of the bandwidth.

If more channels are used, select a center frequency between two channels close to the center, but equal distance.

Show the spectum layout on startup.

This patch reverts f1292a985b
 2019-05-30 21:07:41 +02:00
Andreas Eversberg 37406db7e3 Minimum frequency must be 8000 Hz 2019-05-30 18:19:06 +02:00
Andreas Eversberg 8c6f78fd63 B-Netz: Make debug text more plausible 2019-05-30 18:17:55 +02:00
Andreas Eversberg b9cc33c6ec OsmoTV: Added more test patterns for TV repair 
- improved FUBK
- red screen for DY adjustment
- crosses and dots for convergence adjustment
- EBU color bars
- natural color image
 2019-05-12 21:08:09 +02:00
Andreas Eversberg e4314749fd Fixup for fast mathm 
Because users of libfm do always call fm_init and fm_exit, it must be
included in every build.
 2019-03-23 07:57:28 +01:00
Andreas Eversberg e4fcc080df NMT: Fixed traffic area (Y1Y2) digit conversion 2019-03-09 09:51:09 +01:00
Andreas Eversberg 1321f66456 C-Netz: Add option to control voice deviation 2019-01-02 15:58:34 +01:00
Andreas Eversberg f1292a985b SDR: Move channel away from center frequency, to avoid bad RX 2019-01-02 15:57:54 +01:00
Andreas Eversberg 5311f44daa minor fixes of some prints; fix NMT message counter bug 2018-12-23 19:53:28 +01:00
Andreas Eversberg ea5e17a036 work on docs 2018-12-23 19:42:42 +01:00
Andreas Eversberg e16a2dd548 B-Netz: Add base stations of the Netherlands 2018-12-23 19:26:59 +01:00
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 e8429166c3 Radio: Minor fixes 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 2cff22ef54 Added little INSTALL document and fixed some compiler issues 2018-11-02 09:28:48 +01:00
Andreas Eversberg e5c4e1f638 NMT: Fixed support for NMT-F (France; SFR) 
Works now with Nokia Talkman 520 TMF-1FR
 2018-10-30 20:04:21 +01:00
Andreas Eversberg 9444fcdb91 NMT: Fix channel encoding for interleaved 2018-10-30 20:01:59 +01:00
Andreas Eversberg e9a7f610ee Compandor: Remove unused option for unaffected level 2018-10-14 13:07:25 +02:00
Andreas Eversberg 56d8df5351 Rework of displaying supervisory info: NMT and AMPS 
Using lower rate to show debug info of supervisory signal.

Display supervisory info for NMT and AMPS at measurement display screen.
 2018-08-31 20:05:38 +02:00
Andreas Eversberg eac19ddab1 C-Netz: Allow SDR using C-Netz without calibration options 
Crystals on SDRs are accurate enough for C-Netz (< 1ppm).
 2018-08-26 08:47:56 +02:00
Andreas Eversberg 279dd25b15 SDR: Add presets for LimeSDR-Mini 2018-08-25 10:25:25 +02:00
Andreas Eversberg b2210cd698 Radio: Abort, if no RX sink is specified 2018-08-25 10:22:55 +02:00
Andreas Eversberg 881d4a9f72 SDR: Fix level range of IQ date; must not exceed range of -1 .. 1 
LimeSDR mini (and maybe others) do not want IQ data to become a value below
-1 or above 1. This happens slightly when applying the IIR filter after
upsampling. To prevent this, we scale down the IQ level a little bit.

To test the problem:
- set the scale level to 1.0, so it does not take effect
- use LimeSDR mini
- use upsampling (sample rate differs SDR sample rate)
- run loopback mode 2 (-l 2)
- IIR filter must be initialized with 2 or more iterations to take effect
- check linear IQ graph; it will then plot dots inside the circle
 2018-08-25 08:13:16 +02:00
Andreas Eversberg 0b22b0305a C-Netz: Correcting some information elements 2018-07-01 09:36:50 +02:00
Andreas Eversberg 40aec4f14c C-Netz: Swtitch speech scrambler only after receiving 3 consecutive frames with different scrambler mode 2018-07-01 09:18:07 +02:00
Andreas Eversberg 7c4cfd5567 TV: Minor code cleanup 2018-06-24 11:40:53 +02:00
Andreas Eversberg 83449726f8 R2000: Fix recall option 2018-06-24 11:39:31 +02:00
Andreas Eversberg b7046a5283 SDR: Add clock source selection, untested yet 2018-06-24 11:36:56 +02:00
Andreas Eversberg 0a3e11d8a8 work on docs 2018-06-24 11:33:27 +02:00
Andreas Eversberg f4988297a6 B-Netz: Refactoring tone and quality detection 2018-06-05 07:09:51 +02:00
Andreas Eversberg 3b58408691 Fixed -t (--tone) option 2018-05-27 06:04:09 +02:00
Andreas Eversberg be309e1c83 C-Netz: Fixed display of states (state display function) 2018-05-21 19:43:38 +02:00
Andreas Eversberg dacf07ee9a Work on docs 2018-05-21 19:42:46 +02:00
Andreas Eversberg 0b504dbeb3 SoapySDR: Flip initialization of RX and TX, so LimeSDR works with frequencies below 30 MHz 2018-05-21 19:39:09 +02:00
Andreas Eversberg c774180082 Osmoradio fixes: Use real time scheduling and always transmit empty buffer 2018-05-21 19:39:09 +02:00
Andreas Eversberg ce4a540745 Add real-time scheduling to osmotv and make it default for all base stations 
This is required to drastically reduce the latency of the thread execution.
 2018-05-21 19:39:09 +02:00
Andreas Eversberg 4e2ad7dae1 Fix compiler warning in conjunction with strncpy 2018-05-21 19:39:09 +02:00
Andreas Eversberg 3438402fe2 Update ImageMagick support to API version 7 2018-05-21 19:39:09 +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 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 3ab5a3f6a9 work on docs 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