Commit Graph

2184 Commits

Author SHA1 Message Date
Steven Franke e972fbbfec Change sync word to 4 concatenated 4x4 Costas arrays. Tweaks to optimize sync efficiency. 2020-04-07 13:18:41 -05:00
Steven Franke 1044342245 Use Joe's sync vector. 2020-04-05 14:40:19 -05:00
Steven Franke 2f7afbc34e Fix wsprd's -B command line option. 2020-04-04 15:03:11 -05:00
Steven Franke 583f9d2f0e Comment out a debug write statement. 2020-04-03 10:39:51 -05:00
Steven Franke f78f63a53d Merge branch 'feat-50bit' into develop 2020-04-03 10:34:02 -05:00
Steven Franke cf5a69d25b Updates and additions to wsprcpm files. 2020-04-03 10:27:43 -05:00
Joe Taylor 151c25bcb3 Remove messahe type i3=5, possible WWROF digi contest. It will not be used. 2020-03-30 14:20:46 -04:00
Joe Taylor 0557e19b3e Correct a flaw in displaying subtype "j2" in encode77.f90. 2020-03-30 14:09:39 -04:00
Joe Taylor 380a05f94e Remove stray comments. 2020-03-30 13:52:37 -04:00
Joe Taylor 38f11fee62 Enhance packjt77 to include 50-bit WSPR-style messages. Build encode77[.exe]. 2020-03-30 13:37:34 -04:00
Joe Taylor 33ce9e3355 Trivial code cleanup. 2020-03-28 14:05:48 -04:00
K9AN f5fabaf163 Try to get rid of some compiler warnings. 2020-03-20 09:57:58 -05:00
Joe Taylor fcc7739cb9 Correct an error in decoder.f90, introduced yesterday. 2020-03-20 10:11:08 -04:00
Joe Taylor 7cc81d800f More code cleanup. 2020-03-19 15:53:44 -04:00
Joe Taylor 7de6b8c98d Remove diagnostic writes. Don't save .wav files if "Save None" is selected. 2020-03-19 14:46:41 -04:00
Joe Taylor 64a9aa5d39 Silence compiler warnings. 2020-03-19 13:45:13 -04:00
Joe Taylor b3f539670b Silence compiler warnings. 2020-03-19 13:20:07 -04:00
Joe Taylor d5e92202d0 Silence compiler warnings; reformmat some source code. 2020-03-19 13:13:33 -04:00
Joe Taylor d4d37c49ab Silence compiler warnings. 2020-03-19 12:04:56 -04:00
Joe Taylor 80b926d6fd Silence compiler warnings. 2020-03-19 11:58:36 -04:00
Joe Taylor 7564301209 Silence compiler warnings. 2020-03-19 11:43:22 -04:00
Joe Taylor a6089bc196 Silence compiler warnings. 2020-03-19 11:27:57 -04:00
Joe Taylor 1eb63b6f84 Silence compiler warnings. 2020-03-19 11:19:44 -04:00
Joe Taylor 0a076e0455 Silence compiler warnings. 2020-03-19 11:00:21 -04:00
Joe Taylor 4fa3ee3437 Silence compiler warnings. 2020-03-19 10:43:45 -04:00
Joe Taylor 430a413f95 Silence compiler warnings for packjt77.f90. 2020-03-19 10:16:33 -04:00
Joe Taylor 4d4e6cc4c7 Silence compiler warnings. 2020-03-19 09:23:35 -04:00
Joe Taylor e7c7459a08 Some general cleanup. 2020-03-17 16:30:05 -04:00
Joe Taylor 0926943326 Silence some compiler warnings. 2020-03-17 16:05:02 -04:00
Joe Taylor 0603f52e75 Delete a bunch of obsolete Makefiles. 2020-03-17 15:51:10 -04:00
Joe Taylor f5e6e7e8ff Silence some compiler warnings. 2020-03-17 15:50:21 -04:00
Steven Franke 0f2793dcbe Update calls to bpdecode174_91. 2020-03-17 12:18:10 -05:00
Steven Franke 8f7221825f First cut at setting up Fast/Normal/Deep parameters. 2020-03-17 08:51:37 -05:00
Joe Taylor a2c3907b75 Fix a bug that affected jt9 running from command line. 2020-03-16 13:47:41 -04:00
Joe Taylor 5e94de71fd Use tseq rather than ipc1 as test for early bailouts. 2020-03-16 12:11:56 -04:00
Joe Taylor 8b8cadcf3a Fix some comments and do not compare ints with floats. 2020-03-16 11:08:09 -04:00
Joe Taylor d6cc789f40 Merge branch 'develop' of bitbucket.org:k1jt/wsjtx into develop 2020-03-16 10:54:25 -04:00
Bill Somerville 5024cc4e2d
Add missed file to repo 2020-03-16 14:39:42 +00:00
Joe Taylor fea2d43489 Merge branch 'develop' of bitbucket.org:k1jt/wsjtx into develop 2020-03-16 10:35:08 -04:00
Joe Taylor 2653626d45 Replace the changes I removed by executing 'git reset HEAD~'. 2020-03-16 10:27:22 -04:00
Bill Somerville 488c2e8066
Cleanup and refactor Fortran shared memory usage
also added some missing locking for the ipc(1) value in ft8_decode().
2020-03-16 13:58:38 +00:00
Joe Taylor 3962aa3c43 Replace hijacked ss(1:3,1) with a separate ipc(3) array. 2020-03-15 14:25:56 -04:00
Bill Somerville 46638f6f07
Add shared memory synchronization to make access safe 2020-03-15 00:25:35 +00:00
Joe Taylor 649a79dfc1 New IPC trial: use shmem instead of .start .stop .quit files. 2020-03-14 17:06:54 -04:00
Bill Somerville 523e9a1a07
Enhanced process control for jt9 executable
The wsjtx  process creates control  files .start, .stop, or  .quit and
the jt9  process deletes  them.  This  is intended  to avoid  any race
conditions that get the processes out of sync.
2020-03-14 00:01:54 +00:00
Joe Taylor 8151816c84 Change formats of diagnostic writes so that GUI and Fortran output can be sorted together. 2020-03-13 11:25:22 -04:00
K9AN f7d7c073c8 Fix a bug. 2020-03-12 15:36:03 -05:00
Joe Taylor 8e7685ea36 Do not alolow bailouts when data were read from disk. 2020-03-12 15:07:56 -04:00
Joe Taylor 0d535f24fb Move the AA and CC diagnostic writes from jt9a() to decoder(). Add ndecodes to BB and CC. 2020-03-12 14:31:02 -04:00
Joe Taylor f30754bdf5 Remove superfluous part of if() test. 2020-03-12 13:53:57 -04:00
Joe Taylor 68c942a70e Correct the 47-buffer bailout place. Change bailout times 45->46 and 48->49. 2020-03-12 13:00:42 -04:00
Joe Taylor 6e308f0018 More attempts to diagnose or fix the FT8 "hung decoder" issue.
On the Fortran side:
 - For the nzhsym=41 activation, bail out if m_ihsym reaches 45
 - For the nzhsym=47 activation, bail out if m_ihsym reaches 48
 - Change the format and content of what's written to fort.71
 - Change msdelay from 10 to 1

In mainwindow.cpp:
 - change format and content of what's written to qDebug
 - always start FT8 decoder at m_ihsym = 41, 47, and 50
2020-03-12 12:33:34 -04:00
Joe Taylor d69cb49e9a Diagnostic writes to fort.71 in jt9a.f90. 2020-03-11 14:02:19 -04:00
Joe Taylor 199ff3dd3d Experimental work-around for FT8 decoding on slow computers. Important changes:
- don't start function decode() is decoder is already busy
  - send updated m_ihsym to jt9[.exe] via ss(1,1).  Bill won't like this!
  - jt9 bails out of the 41-buffer pass at m_ihsym=45.
2020-03-10 16:26:42 -04:00
Steven Franke cf5aab0088 Allow up to 500 pre-candidates. 2020-03-09 14:03:53 -05:00
Steven Franke d57b84be27 More changes to increase ft8 decoder yield. 2020-03-08 12:03:52 -05:00
Steven Franke b130479249 Make jt9 work with the 41/47/50 scheme. 2020-03-06 19:03:09 -06:00
Steven Franke 83d87e9654 Fix an apparent typo in ft8_decode. 2020-03-06 19:02:41 -06:00
Steven Franke fa071324e5 subtractft8: Delete unused variable, i1 2020-03-06 13:21:04 -06:00
Steven Franke 3467ee7924 Make Normal decode the same as Deep except no DT refinement at nearly=47. 2020-03-06 11:54:28 -06:00
Steven Franke f2266c3c54 1. subtractft8: on the last call to sqf, don't need to do the long FFT.
2. mainwindow.cpp: based on the time when <DecodeFinished> is received, calculate
mswait to try to place the killFile time at 0.75*m_TRperiod.
2020-03-06 11:06:44 -06:00
Joe Taylor f367b6d6b9 Temporary version: decode call at 47 buffers only does subtractions. 2020-03-06 10:38:24 -05:00
Joe Taylor 431ec50212 Progress toward decoding at 41/47/50 buffers. Not yet complete! 2020-03-05 15:37:31 -05:00
Joe Taylor cd9efc54ea Correct the reported value "ndecoded" for FT8 mode. 2020-03-03 15:18:25 -05:00
Joe Taylor 02eb4fe90b Use a table lookup for exp(i*phi) in gen_ft8wave.f90. 2020-03-03 12:40:27 -05:00
Steven Franke 761ee1cd85 Merge branch 'develop' of bitbucket.org:k1jt/wsjtx into develop 2020-02-29 13:47:09 -06:00
Steven Franke 037805ca8f Improve dt estimation in ft8b so that dt refinement procedure in subtractft8.f90 can be done with 4 calls to sqf instead of 7. 2020-02-29 13:46:59 -06:00
Joe Taylor 6c1efac576 Once more, to get the <DecodeFinished> behavior right for realtime monitoring as well as data from disk. 2020-02-28 15:45:51 -05:00
Joe Taylor 8e7a56634b Set nearly=41; don't write <DecodeFinished> after the early decode pass. 2020-02-28 15:03:39 -05:00
Joe Taylor f9322f2b43 Add calls to timer() around calls to subtractft8(). 2020-02-28 11:25:32 -05:00
Steven Franke 877878ea88 Merge branch 'develop' of bitbucket.org:k1jt/wsjtx into develop 2020-02-27 09:10:27 -06:00
Steven Franke 403904089e Re-arrange the fields in the ALL_WSPR.TXT file. 2020-02-27 09:10:17 -06:00
Joe Taylor b9888a09ff Merge branch 'develop' of bitbucket.org:k1jt/wsjtx into develop 2020-02-26 13:16:12 -05:00
Joe Taylor 00210d1141 Minor code cleanup in subtractft9.f90. 2020-02-26 13:14:49 -05:00
Steven Franke 1dde5fdd6c Fix a minor bug in the unpk_ routine that was introduced in the last commit. 2020-02-25 15:28:57 -06:00
Steven Franke 38bac5e335 Merge branch 'develop' of bitbucket.org:k1jt/wsjtx into develop 2020-02-25 10:56:22 -06:00
Steven Franke 0ca6cbb575 wsprd: improve decoding and reduce the number of false decodes
Hashtable entries now include the 4-digit grid obtained from the most
recent Fano decode of the callsign. The stored grid is used to validate
OSD decodes. OSD decodes of type 1 messages are accepted only if the
callsign is present in the hashtable and if the grid matches the grid
stored in the hashtable.
2020-02-25 10:48:38 -06:00
Joe Taylor 65fda32a05 Previous commit was in error. This is the best-performing subtractft8.f90. 2020-02-25 09:04:18 -05:00
Joe Taylor ff46c5a0c4 In subtractft8.f90: refine DT for early decodes before subtracting them from dd(). 2020-02-24 16:18:42 -05:00
Joe Taylor 1d159a18c7 More cleanup to satisfy fussy gcc 10 compiler. 2020-02-21 13:36:49 -05:00
Joe Taylor adb7dfcac3 Satisfy fussy compilers like gcc 10: Type mismatch between actual argument at (1) and actual argument at (2) 2020-02-21 09:52:20 -05:00
Steven Franke ac1d0f837d Comment out diagnostic write statement. 2020-02-17 10:56:47 -06:00
Steven Franke 20b942b802 FT8: Add an experimental 4'th bit metric. Make dupe removal unconditional. 2020-02-17 10:53:52 -06:00
K9AN 207fd05f9f Minor simplification - remove unnecessary nint() functions in get_spectrum_baseline.f90 2020-02-14 16:54:56 -06:00
Joe Taylor ecb09ba852 Revert "Send "<DecodeFinished>" for FT8 only after the full-length decoding pass."
This reverts commit 364db768db.
2020-02-14 17:44:46 -05:00
Steven Franke 09b47b0e8e Change lower limit of analysis window from 200 Hz to 100 Hz. 2020-02-14 15:28:16 -06:00
Joe Taylor 364db768db Send "<DecodeFinished>" for FT8 only after the full-length decoding pass. 2020-02-14 11:49:07 -05:00
Joe Taylor e25696f4e3 Enable early+normal decoding for FT8 data read from disk, within WSJT-X. 2020-02-14 11:16:54 -05:00
Joe Taylor cf6ee661ab Fix two bugs (thanks Steve!); add early-decode logic to jt9[.exe] from command line. 2020-02-14 10:15:37 -05:00
Joe Taylor 2823cc3e85 Merge branch 'develop' of bitbucket.org:k1jt/wsjtx into develop 2020-02-13 15:34:09 -05:00
Steven Franke e936a863a8 Fix some bugs related to osd decoding in msk144 and disable it for now. 2020-02-13 14:25:36 -06:00
Joe Taylor 4a4864d2ae FT8 early decoding is now working. 2020-02-13 15:05:37 -05:00
Steven Franke 08baa50a01 Experimental change to enable OSD decoding for MSK144 when ntol .le. 50 Hz 2020-02-13 08:48:51 -06:00
Steven Franke cf07d478ac Some repairs and tweaks to development-related programs in fsk4hf directory. 2020-02-09 16:13:52 -06:00
Steven Franke e9160f3c2f Make ldpcsim174_91 work again. Scale SNR2500 assuming coherent BPSK, same Eb as FT8. 2020-02-08 14:49:21 -06:00
Steven Franke ff109a60ca Implement AP decoding for Hounds when Fox has a compound call with standard base call. 2020-02-03 10:48:51 -06:00
Steven Franke 96ad947a37 Implement decode quality metric for FT4. 2020-01-27 09:55:34 -06:00
Steven Franke 70b84478f0 Add WW_DIGI to the special activities section. Make necessary changes to
the decoders. Also, an experimental change to the FT4 decoder to base
AP decoding passes on 4-symbol block detection instead of single symbol
detection. This provides about 1 dB improvement on the AWGN channel.
Sensitivity changes on other channels are TBD.
2020-01-24 11:26:36 -06:00
Steven Franke 9aaffb9252 For FT4 - enable ndeep=4 within 80 Hz of nfqso. 2020-01-11 15:22:48 -06:00
Steven Franke 87b2bd74e2 More work on AP decoding for RU/SCC contests. 2020-01-09 11:44:58 -06:00
Steven Franke a63e6e1209 - Force the use of standardized CQ modifier for FT4/FT8 contest operation.
- Pass CQ modifier string to the ft4 decoder.
2020-01-08 08:41:47 -06:00
Steven Franke 52075fca24 Merge branch 'develop' of bitbucket.org:k1jt/wsjtx into develop 2020-01-03 14:29:12 -06:00
Steven Franke dda393dd81 Fix a typo. Thanks NQ6Z! 2020-01-03 14:28:37 -06:00
Joe Taylor f069477dbb Bring test28.f90, ft4_testmsg.f90, ft8_testmsg.f90, ft8code.f90 up to date. 2020-01-03 13:34:56 -05:00
Joe Taylor 3cb75a49ec Reorder the FT4 test messages used in ft4code.f90. 2019-12-18 12:14:34 -05:00
Joe Taylor 26d1996eb8 Tweaks to ft4code. 2019-12-18 10:42:08 -05:00
Joe Taylor 3397bf49b4 Add utility program ft4code. 2019-12-18 10:02:00 -05:00
Joe Taylor 7d8cdd200c Merge branch 'develop' of bitbucket.org:k1jt/wsjtx into develop 2019-12-11 16:34:34 -05:00
Joe Taylor 7c0bef98bc Update and correct some comments. No actual code changes! 2019-12-11 16:33:33 -05:00
Steve Franke 0f592eb48f Disallow decoded messages with i3.ge.6 as these are not yet defined. 2019-12-11 11:18:37 -06:00
Steve Franke 85b5967d99 Fix ncontest initialization and heap storage conflict. 2019-12-11 10:16:48 -06:00
Joe Taylor 794736043c Merge branch 'develop' of bitbucket.org:k1jt/wsjtx into develop 2019-12-04 15:45:36 -05:00
Joe Taylor 61e8cb65d4 Update allsim.f90 and addit.f90 for the new FT8 and FT4 waveforms. 2019-12-04 15:44:38 -05:00
Steve Franke a0d471cb0b Improve FT8 SNR estimates in two ways:
(i) SNR no longer saturates at +20 dB
(ii) a large signal in the passband no longer causes the
SNR of weaker signals to be biased low.
2019-11-27 15:58:52 -06:00
Steve Franke 091b7f03ed Delete un-needed file. 2019-11-27 15:57:40 -06:00
Steve Franke d1530b0c19 Rename ft8sim files as follows:
ft8sim_gfsk.f90 => ft8sim.f90
ft8sim.f90 => ft8sim_fsk.f90

This change reflects the fact that the GFSK waveform is now used in WSJT-X
for ft8 and ft4.
2019-11-27 09:08:17 -06:00
Steve Franke 63e9c21a17 Simplify ft4sim by removing waveform generation code and replacing it with a call to gen_ft4wave.f90. 2019-10-24 10:36:50 -05:00
Bill Somerville 28f5cb0fb9 WSJT-X General Availability Release v2.1.0 wsjtx-2.1.0
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Merge tag 'wsjtx-2.1.0' into develop

WSJT-X General Availability Release v2.1.0 wsjtx-2.1.0
2019-07-13 23:47:18 +01:00
Steve Franke f224790569 Tweak for consistency. 2019-07-12 10:41:09 -05:00
Bill Somerville 60332e799e
Merge branch 'develop' into feat-refactor 2019-07-04 12:34:20 +01:00
Steve Franke fa44ed84c5 Remove an unused routine. Minor tweaks. 2019-07-03 10:55:13 -05:00
sirhc808 27d4471cde Merge branch 'ft9_refactor' into feat-refactor
# Conflicts:
#	CMakeLists.txt
#	lib/ft4/getcandidates4.f90
#	lib/ft4/sync4d.f90
2019-07-02 12:06:14 -05:00
sirhc808 84fd0ed7c7 clean up a few warnings 2019-07-01 21:10:43 -05:00
Bill Somerville adcf202637
Repair a crash when decoding ISCAT
Passing a  auto stack variable to  a future is  not a good idea  as it
will almost certainly  go out of scope before the  future has finished
executing.
2019-06-30 12:17:17 +01:00
Steve Franke e7889ba11b FT4: candidates within 20 Hz of nfqso are presented to the decoder first. 2019-06-24 11:09:55 -05:00
Steve Franke c68679bd10 Tweak to reduce the number of bad candidates. 2019-06-19 09:07:08 -05:00
Steve Franke efb01d014d Merge branch 'release-2.1.0' of bitbucket.org:k1jt/wsjtx into release-2.1.0 2019-06-18 11:36:03 -05:00
Steve Franke 6caf9955a4 Back off to 77 AP bits for RR73 decodes, for now. 2019-06-18 11:35:54 -05:00
Joe Taylor 396bf1a013 Correct a flaw in ft8sim when generating data with large abs(DT). 2019-06-17 11:26:46 -04:00
Steve Franke c26d0b4f29 FT4: Imrovements to sync.
Divide DT search range into 3 segments. Search central segment (near DT=0)
first and try to decode the largest peak. Then find the largest peak in each
of the surrounding segments and try to decode those only if the peak is larger
than the one found in the central segment.

Also re-indent ft4_decode.f90 and some other minor tweaks.
2019-06-16 09:46:33 -05:00
Steve Franke b4a318e5a9 Merge branch 'release-2.1.0' of bitbucket.org:k1jt/wsjtx into release-2.1.0 2019-06-14 16:29:10 -05:00
Steve Franke 7e9cc9cbc7 FT4: Improve sync performance on disturbed channels. Make jt9 command-line option -d work 2019-06-14 16:28:59 -05:00
Joe Taylor 7bd15246ae Adjustments to utility program rtty_spec.f90 2019-06-13 11:07:29 -04:00
Joe Taylor 7e1eaf3f31 Merge branch 'release-2.1.0' of bitbucket.org:k1jt/wsjtx into release-2.1.0 2019-06-12 11:34:41 -04:00
Joe Taylor 9de51ebfa3 Rename and tweak rtty_spec.f90. 2019-06-12 11:31:35 -04:00
Steve Franke fc07bd9287 FT4: minor tweak to avoid passing an unnecessary argument and reject bad candidates sooner. 2019-06-12 08:16:10 -05:00
Steve Franke 89dc109968 Re-enable printing of ?a# decode quality and ap-type annotations, for now. 2019-06-11 09:17:13 -05:00
Steve Franke 8b195a91e9 Merge branch 'release-2.1.0' of bitbucket.org:k1jt/wsjtx into release-2.1.0 2019-06-08 08:36:40 -05:00
Steve Franke 3c23a05d1f Move demod and bit metric calculation to a subroutine. This will make
it easier to experiment with alternative schemes for demod.
2019-06-08 08:34:46 -05:00
Bill Somerville 77094c88bf
Merge branch 'release-2.1.0' into f2008 2019-06-07 17:17:01 +01:00
Joe Taylor d4a7a292c0 Implement message type i3=5 (for WWROF contest exchange) in packjt77. 2019-06-06 10:29:58 -04:00
Bill Somerville f346d37fd6
Modernize Fortran interfaces that are called from C/C++
Making Fortran  interfaces called from other  languages fully portable
avoids issues with newer Fortran compilers.
2019-06-06 15:00:47 +01:00
Steve Franke f9e9bc01a1 Update some comments, delete obsolete files. 2019-06-05 10:17:59 -05:00
Steve Franke 054d098d8b Merge branch 'release-2.1.0' of bitbucket.org:k1jt/wsjtx into release-2.1.0 2019-06-04 14:53:52 -05:00
Steve Franke 97be1b46b9 Add more protection against the i0 crash that has occurred in getcandidates4.f90. 2019-06-04 14:53:45 -05:00
Joe Taylor 6a2ac44916 Use LU=26 in readwav.f90. 2019-06-04 10:39:43 -04:00
Joe Taylor d3121bfedd Correct the open() statement in readwav.f90. 2019-06-04 10:19:35 -04:00
Steve Franke fc4dcc6d88 Fix a bug that caused FT4 decoding to fail when widegraph Start freq was less than 200 Hz. 2019-05-27 16:34:53 -05:00
Steve Franke f00bcebb9c Enable lapcqonly for FT4. This disables AP for all but CQ messages if 5 minutes or more have elapsed since the last Tx. 2019-05-26 13:25:36 -05:00
Steve Franke 11065c349c Call OSD if Deep decoding is selected. 2019-05-26 12:08:07 -05:00