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It is just TX'ing in advance and synchronous to received RX rate. http://cgit.osmocom.org/osmocom-analog/commit/?id=17b61241224631142ffb5e560… commit 17b61241224631142ffb5e560ae527b853996bba Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Feb 12 08:53:41 2017 +0100 C-Netz: Remove useless -V option http://cgit.osmocom.org/osmocom-analog/commit/?id=58ebc152922055581c3f19c4d… commit 58ebc152922055581c3f19c4ddd68c324059dbab Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Feb 12 07:35:05 2017 +0100 Add test to measure performance of FM modulation and filtering http://cgit.osmocom.org/osmocom-analog/commit/?id=4de1e0188d41c29477a5705e1… commit 4de1e0188d41c29477a5705e13dddea84a195e7b Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Feb 12 07:31:29 2017 +0100 C-Netz: Add low pass filter to eliminate high frequency noise This improves the FSK decoding quite allot, especially with SDR. http://cgit.osmocom.org/osmocom-analog/commit/?id=290b365d679384fdc864f442b… commit 290b365d679384fdc864f442b1a03245faea1b39 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Thu Feb 9 19:24:09 2017 +0100 SDR: Move FM modulation algorithms to a seperate file http://cgit.osmocom.org/osmocom-analog/commit/?id=4c0f8e7e953232f1242b23d0c… commit 4c0f8e7e953232f1242b23d0cb9516948d9c187b Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Feb 5 13:16:39 2017 +0100 Rework of sample rate conversion by using linear interpolation http://cgit.osmocom.org/osmocom-analog/commit/?id=47f74b38ce1f0488205b0aad8… commit 47f74b38ce1f0488205b0aad82d86573fe77461a Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Feb 5 08:57:56 2017 +0100 SDR transmits with full amplitude http://cgit.osmocom.org/osmocom-analog/commit/?id=6a3cfd608e7a3c5d7f0087be4… commit 6a3cfd608e7a3c5d7f0087be43c5197762bae298 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Feb 5 08:54:56 2017 +0100 Add ascii-art spectrum analyzer for SDR support http://cgit.osmocom.org/osmocom-analog/commit/?id=3fb2ade35270c8116c094c8eb… commit 3fb2ade35270c8116c094c8ebca0a640a51a14ac Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Feb 5 08:48:39 2017 +0100 C-Netz: Fix release of call process when no dialing was received from phone http://cgit.osmocom.org/osmocom-analog/commit/?id=0611f62b52580fd9ae275019d… commit 0611f62b52580fd9ae275019d8a0211e98746a6a Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Feb 5 08:36:51 2017 +0100 Show channel number and basic info when channel was created http://cgit.osmocom.org/osmocom-analog/commit/?id=5f1d7bc9705cf31f55cd802ba… commit 5f1d7bc9705cf31f55cd802ba616f42a92da3618 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Wed Feb 1 17:57:09 2017 +0100 C-Netz: Improve clock speed measurements. Sound card's clock measurements only requires a few minutes to get sub-ppm accuracy results. http://cgit.osmocom.org/osmocom-analog/commit/?id=54ed5d5f822f64a12cdc06abf… commit 54ed5d5f822f64a12cdc06abfaddf4cb18bfa560 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Mon Jan 30 20:06:01 2017 +0100 AMPS: Fixed setting of signal polarity when using SDR http://cgit.osmocom.org/osmocom-analog/commit/?id=faa3dfb7d402f1dbd0ca4b0ac… commit faa3dfb7d402f1dbd0ca4b0ac91ea268ed59df35 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Mon Jan 30 20:02:45 2017 +0100 C-Netz: Make average to clock measurements for a quicker result http://cgit.osmocom.org/osmocom-analog/commit/?id=5026e161aa61096e7f1721314… commit 5026e161aa61096e7f172131466e04966c340431 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Jan 29 16:54:28 2017 +0100 Open audio device for call (headset) after everything is prepared It is not allowed to stall after trigger reading of audio device. http://cgit.osmocom.org/osmocom-analog/commit/?id=8cb0187133c496175cb90eefa… commit 8cb0187133c496175cb90eefa8cfb347678b4d88 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Jan 29 10:30:06 2017 +0100 C-Netz: Remove the obviously useless noise function for unused timeslots http://cgit.osmocom.org/osmocom-analog/commit/?id=f5e9a97c313b88ec7b4485adf… commit f5e9a97c313b88ec7b4485adf941f1106ef67b6a Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Jan 29 08:16:10 2017 +0100 --rx-gain option works now only with sound card http://cgit.osmocom.org/osmocom-analog/commit/?id=2b4f5bb228bd5416f8bf7d8f9… commit 2b4f5bb228bd5416f8bf7d8f9cd9cd49716e7e4a Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Jan 29 08:07:07 2017 +0100 Minor fix in help output http://cgit.osmocom.org/osmocom-analog/commit/?id=f72c53757d4ce30c37ecefda8… commit f72c53757d4ce30c37ecefda825f21f42c60b05e Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Jan 29 07:27:08 2017 +0100 B-Netz, NMT: Improved check for minimum required sample rate http://cgit.osmocom.org/osmocom-analog/commit/?id=7e45f556cec493c3c77fcb640… commit 7e45f556cec493c3c77fcb6400d8ae211faf2220 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Jan 29 07:25:12 2017 +0100 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. http://cgit.osmocom.org/osmocom-analog/commit/?id=bd7ccc5fa05587606757adbac… commit bd7ccc5fa05587606757adbacb6e1bf12f12fd2c Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sat Jan 28 18:18:44 2017 +0100 Add global DC-Filter and remove all individual DC-Filters http://cgit.osmocom.org/osmocom-analog/commit/?id=71e556e7ffd9e470bde25158b… commit 71e556e7ffd9e470bde25158b42303eeb2355ff7 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sat Jan 28 08:02:11 2017 +0100 Work on emphasis filter: Neutral @ 1000 Hz; Use filter before de-emphasis http://cgit.osmocom.org/osmocom-analog/commit/?id=b3fd53b1652b1800a0acd1415… commit b3fd53b1652b1800a0acd14157a6a93c770cd684 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Fri Jan 27 17:17:39 2017 +0100 Test filter uses a dB graph to show the response graphically http://cgit.osmocom.org/osmocom-analog/commit/?id=7ea3bc188df54a4dbe3026bc3… commit 7ea3bc188df54a4dbe3026bc30ed39a5cded8fdb Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Fri Jan 27 16:57:34 2017 +0100 Move samples of int16_t format to sample_t, that is of type double This prepares the correction of all levels http://cgit.osmocom.org/osmocom-analog/commit/?id=538a9591285bdc2604c5e05c0… commit 538a9591285bdc2604c5e05c06e4b2d776f4bdf9 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Tue Jan 24 07:59:09 2017 +0100 Indexing tables by casting index to unsigned integer only http://cgit.osmocom.org/osmocom-analog/commit/?id=23a42aeb2c96058e5450805a8… commit 23a42aeb2c96058e5450805a8ce2d1955e09abd5 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Tue Jan 17 18:43:03 2017 +0100 Fixed calculation of elapsed UHD RX time stamp Now rates above 1000 RX frames per second works. The bug hit when there were more than one frame received during one function call. This happens if the frame rate is above the main loop rate of 1000 frames per second. (default) http://cgit.osmocom.org/osmocom-analog/commit/?id=ac0da3f76ee3f31599b0c572e… commit ac0da3f76ee3f31599b0c572ed296b251e94378b Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Jan 15 11:08:42 2017 +0100 Filter improvement: LP and HP filters, added test function The -3 dB level at cut-off frequency is now maintained for multiple iterations. http://cgit.osmocom.org/osmocom-analog/commit/?id=799b96c801567c1cd0c6a1281… commit 799b96c801567c1cd0c6a1281511bca90eeac1db Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sat Jan 14 08:05:30 2017 +0100 Fixed sleep interval in main loop The elapsed time is calculated, so that it is removed from the sleep time. This way the loop interval matches the given target. http://cgit.osmocom.org/osmocom-analog/commit/?id=a7e47f83d71c32d0afbabc884… commit a7e47f83d71c32d0afbabc8840669aaabc9f6cd5 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sat Jan 14 08:03:42 2017 +0100 Fixed paging channel switching of B-Netz Now the calling channel is switched correctly. A global parameter is used to select how paging is performed. http://cgit.osmocom.org/osmocom-analog/commit/?id=ccf58995c34381905ff60cfe3… commit ccf58995c34381905ff60cfe38eba3fe9e49c3e1 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Fri Jan 13 14:22:35 2017 +0100 work on docs http://cgit.osmocom.org/osmocom-analog/commit/?id=21c5c3195d41a1f2b7a8b1f34… commit 21c5c3195d41a1f2b7a8b1f34c9e10d1afbc73d0 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Fri Jan 13 13:55:49 2017 +0100 Plot IQ data as red points on display, if overdriven (vector length >= 1.0) http://cgit.osmocom.org/osmocom-analog/commit/?id=c0e30d35d66e699c15c1984dd… commit c0e30d35d66e699c15c1984dd6a0cdd81ecb4405 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Fri Jan 13 13:38:57 2017 +0100 Use individual sample rate and setting for call device (headset) http://cgit.osmocom.org/osmocom-analog/commit/?id=19b396ab4dc1065cd1334b713… commit 19b396ab4dc1065cd1334b713a817299df57d208 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Fri Jan 13 07:31:15 2017 +0100 Wave recording and playback now uses multi channels http://cgit.osmocom.org/osmocom-analog/commit/?id=2d8d7e62c1fc902a8495610f3… commit 2d8d7e62c1fc902a8495610f335c6e65cc1003d4 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Fri Jan 13 07:28:31 2017 +0100 Use global init/cleanup function http://cgit.osmocom.org/osmocom-analog/commit/?id=bc028cd4d3b24f1e632a04bd0… commit bc028cd4d3b24f1e632a04bd0eebcb48b0c27ea2 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Jan 8 16:47:26 2017 +0100 NMT: Make supervisory signal default, also allow setting per channel. http://cgit.osmocom.org/osmocom-analog/commit/?id=272ebeb0aef054731ebb9800f… commit 272ebeb0aef054731ebb9800f7a44157b736b7ad Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Jan 8 12:10:56 2017 +0100 SDR: Minor fixes http://cgit.osmocom.org/osmocom-analog/commit/?id=a5fd375237cd7d4f9a1d60608… commit a5fd375237cd7d4f9a1d60608c50720b3498f72d Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Jan 8 12:10:29 2017 +0100 Fixed typos http://cgit.osmocom.org/osmocom-analog/commit/?id=bf0abd627d42a6603cd8c9844… commit bf0abd627d42a6603cd8c98442539eb7c779615c Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sun Jan 8 11:22:24 2017 +0100 A-Netz: Option to set gain of paging tones http://cgit.osmocom.org/osmocom-analog/commit/?id=d28467c1253e34114b40ac0ce… commit d28467c1253e34114b40ac0cec7e461a8cc270fb Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sat Jan 7 19:53:43 2017 +0100 SDR: Display IQ data as a plot using 'q' key http://cgit.osmocom.org/osmocom-analog/commit/?id=fee4846c3f505081c37094c29… commit fee4846c3f505081c37094c29cd21a483c030500 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sat Jan 7 16:53:28 2017 +0100 SDR forces default settings: emphasis and FSK polarity http://cgit.osmocom.org/osmocom-analog/commit/?id=8b9277615dce4fdbcb70df528… commit 8b9277615dce4fdbcb70df5280f4fcb4e8ac274f Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Sat Jan 7 10:33:13 2017 +0100 Neu structure for the paging process (B-Netz) Paging tones are not created within sound_alsa.c The audio API is now responsible to switch to paging channel. In case of SDR, the sdr.c will switch frequency offset. http://cgit.osmocom.org/osmocom-analog/commit/?id=57993e3e4817dd690394af7a1… commit 57993e3e4817dd690394af7a1bb9f58c2a92a135 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Wed Jan 4 14:22:24 2017 +0100 Support for UHD SDR interface http://cgit.osmocom.org/osmocom-analog/commit/?id=b30b61282c9677fda612db2c4… commit b30b61282c9677fda612db2c45f9e8e42c2257a4 Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Wed Jan 4 14:21:49 2017 +0100 Generic SDR support http://cgit.osmocom.org/osmocom-analog/commit/?id=c5cf88ce575b4fb35628e30b3… commit c5cf88ce575b4fb35628e30b3a5f2e246f060c8d Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Fri Jan 6 12:22:51 2017 +0100 Prepare for SDR: Add bandwidth and deviation info to sender instance http://cgit.osmocom.org/osmocom-analog/commit/?id=9ff8c3bb25422e100801f90c1… commit 9ff8c3bb25422e100801f90c17b9c21118920cfd Author: Andreas Eversberg <jolly(a)eversberg.eu> Date: Wed Jan 4 14:14:02 2017 +0100 Rework on audio interface Sound instance is now called audio instance and uses funcation pointers. This gives a clean interface to be exchanged with other technologies, linke SDR. ----------------------------------------------------------------------- Summary of changes: .gitignore | 3 +- configure.ac | 12 ++ docs/a-netz.html | 10 +- docs/amps-burst.png | Bin 0 -> 1565 bytes docs/amps-dynatac.jpg | Bin 0 -> 211307 bytes docs/b-netz.html | 4 +- docs/c-netz.html | 2 +- src/amps/Makefile.am | 2 + src/amps/amps.c | 25 +-- src/amps/amps.h | 27 +-- src/amps/dsp.c | 201 +++++++++----------- src/amps/dsp.h | 2 +- src/amps/frame.c | 3 +- src/amps/main.c | 42 ++--- src/amps/sysinfo.c | 1 + src/amps/transaction.c | 1 + src/anetz/Makefile.am | 2 + src/anetz/anetz.c | 30 +-- src/anetz/anetz.h | 16 +- src/anetz/dsp.c | 174 ++++++++---------- src/anetz/dsp.h | 4 +- src/anetz/main.c | 51 +++--- src/bnetz/Makefile.am | 2 + src/bnetz/bnetz.c | 83 +++++---- src/bnetz/bnetz.h | 21 ++- src/bnetz/dsp.c | 102 ++++++----- src/bnetz/image.c | 12 +- src/bnetz/main.c | 57 +++--- src/cnetz/Makefile.am | 2 + src/cnetz/cnetz.c | 30 +-- src/cnetz/cnetz.h | 20 +- src/cnetz/database.c | 1 + src/cnetz/dsp.c | 208 +++++++++++---------- src/cnetz/dsp.h | 6 +- src/cnetz/fsk_fm_demod.c | 97 ++++++---- src/cnetz/fsk_fm_demod.h | 11 +- src/cnetz/main.c | 67 +++---- src/cnetz/scrambler.c | 40 ++-- src/cnetz/scrambler.h | 8 +- src/cnetz/telegramm.c | 5 +- src/cnetz/transaction.c | 1 + src/common/Makefile.am | 28 ++- src/common/call.c | 169 +++++++++++------ src/common/call.h | 7 +- src/common/compandor.c | 34 ++-- src/common/compandor.h | 6 +- src/common/debug.c | 42 ++++- src/common/debug.h | 3 + src/common/display.h | 46 +++++ src/common/display_iq.c | 245 +++++++++++++++++++++++++ src/common/display_spectrum.c | 247 +++++++++++++++++++++++++ src/common/display_wave.c | 48 +++-- src/common/display_wave.h | 16 -- src/common/dtmf.c | 37 ++-- src/common/dtmf.h | 6 +- src/common/emphasis.c | 104 ++++++----- src/common/emphasis.h | 12 +- src/common/fft.c | 96 ++++++++++ src/common/fft.h | 3 + src/common/filter.c | 38 +++- src/common/filter.h | 12 +- src/common/fm_modulation.c | 188 +++++++++++++++++++ src/common/fm_modulation.h | 24 +++ src/common/goertzel.c | 56 +++--- src/common/goertzel.h | 9 +- src/common/jitter.c | 13 +- src/common/jitter.h | 6 +- src/common/main.h | 12 +- src/common/main_common.c | 273 +++++++++++++++++++++++----- src/common/mncc_sock.c | 3 +- src/common/sample.c | 64 +++++++ src/common/sample.h | 8 + src/common/samplerate.c | 89 +++++---- src/common/samplerate.h | 10 +- src/common/sdr.c | 363 +++++++++++++++++++++++++++++++++++++ src/common/sdr.h | 8 + src/common/sender.c | 413 +++++++++++++++++++----------------------- src/common/sender.h | 69 ++++--- src/common/soapy.c | 281 ++++++++++++++++++++++++++++ src/common/soapy.h | 7 + src/common/sound.h | 10 +- src/common/sound_alsa.c | 166 ++++++++++++++--- src/common/uhd.c | 398 ++++++++++++++++++++++++++++++++++++++++ src/common/uhd.h | 7 + src/common/wave.c | 81 ++++++--- src/common/wave.h | 12 +- src/nmt/Makefile.am | 2 + src/nmt/dms.c | 19 +- src/nmt/dms.h | 7 +- src/nmt/dsp.c | 294 +++++++++++++++--------------- src/nmt/dsp.h | 2 +- src/nmt/frame.c | 1 + src/nmt/main.c | 73 +++++--- src/nmt/nmt.c | 56 +++--- src/nmt/nmt.h | 44 +++-- src/nmt/sms.c | 1 + src/nmt/transaction.c | 1 + src/test/Makefile.am | 30 ++- src/test/test_compandor.c | 15 +- src/test/test_dms.c | 12 +- src/test/test_emphasis.c | 70 +++---- src/test/test_filter.c | 107 +++++++++++ src/test/test_performance.c | 67 +++++++ src/test/test_sms.c | 1 + 104 files changed, 4349 insertions(+), 1607 deletions(-) create mode 100644 docs/amps-burst.png create mode 100644 docs/amps-dynatac.jpg create mode 100644 src/common/display.h create mode 100644 src/common/display_iq.c create mode 100644 src/common/display_spectrum.c delete mode 100644 src/common/display_wave.h create mode 100644 src/common/fft.c create mode 100644 src/common/fft.h create mode 100644 src/common/fm_modulation.c create mode 100644 src/common/fm_modulation.h create mode 100644 src/common/sample.c create mode 100644 src/common/sample.h create mode 100644 src/common/sdr.c create mode 100644 src/common/sdr.h create mode 100644 src/common/soapy.c create mode 100644 src/common/soapy.h create mode 100644 src/common/uhd.c create mode 100644 src/common/uhd.h create mode 100644 src/test/test_filter.c create mode 100644 src/test/test_performance.c hooks/post-receive -- A/B/C Netz