Commit Graph

1587 Commits

Author SHA1 Message Date
Joe Taylor
2c0286f301 Merge branch 'integrate-77bit' of https://bitbucket.org/k1jt/wsjtx into integrate-77bit 2018-07-03 10:40:18 -04:00
Joe Taylor
2963e8c19a Add a m_config.bNoSpecial() function. 2018-07-03 10:38:50 -04:00
Steve Franke
c39dd63f79 Send (i3,n3) from mainwindow to genft8. First steps at interpreting (i3,n3) to send itype=1 for classic messages and itype=2 otherwise. Very buggy at this stage. 2018-07-03 09:28:16 -05:00
Joe Taylor
d6c0d1d878 Add a To Do list -- always subject to revision! 2018-07-03 08:26:16 -04:00
Steve Franke
5fc4fe6eda Fix an off-by-one error. Remove attempt to refine DT estimate using polynomial interpolation. 2018-07-02 16:13:27 -05:00
Steve Franke
acb25dd13c Merge in K1JT's 77bit message code. 2018-06-30 15:47:33 -05:00
Steve Franke
26de3219d3 Fix an off-by-one problem. 2018-06-30 14:56:19 -05:00
Joe Taylor
251b2c6ce9 Fix bugs for several more edge cases. 2018-06-29 20:11:24 -04:00
Joe Taylor
023b76400b Add a few more test messages. 2018-06-29 13:36:05 -04:00
Joe Taylor
2da8f51fc2 Fix bugs for a few edge-case messages. Add some test files. 2018-06-29 12:02:29 -04:00
Joe Taylor
18a839963f Change to 12-bit hash in msg type 4, to accommodate CQ calls. 2018-06-28 15:26:54 -04:00
Joe Taylor
190aef8a36 Add column headings for encode77. 2018-06-28 14:12:05 -04:00
Joe Taylor
5465abaa72 Make encode77 default to reading from "messages.txt". 2018-06-28 13:17:32 -04:00
Joe Taylor
4946d01edb Put <...> around callsign recovered from hash table. 2018-06-28 13:07:01 -04:00
Joe Taylor
1d0ffcfdca Change 24-bit hash to 22-bit hash. 2018-06-28 11:48:42 -04:00
Joe Taylor
0b8d2b620f Rename a data file. 2018-06-27 20:33:17 -04:00
Joe Taylor
7a855f1fd5 Correct several minor bugs. 2018-06-27 20:19:48 -04:00
Joe Taylor
617b0bffc8 Nearly finished with pack77/unpack77. 2018-06-27 16:41:58 -04:00
Steve Franke
83d81bdcd2 Streamline the sequence detector code. 2018-06-27 15:11:39 -05:00
Joe Taylor
983cd3f31c More additions to pack77/unpack77 routines. 2018-06-27 15:07:04 -04:00
Joe Taylor
c007b0f4cd Add a file with wide variety of test cases for pack28/unpack28. 2018-06-27 11:23:27 -04:00
Joe Taylor
d4784ef7dc More work on pack28/unpack28, and a test28 program. 2018-06-27 11:08:39 -04:00
Steve Franke
229ee09b99 Minor code cleanup. 2018-06-27 09:55:34 -05:00
Joe Taylor
12e0def237 Implement special tokens CQ, DE, QRZ, ... in pack28/unpack28. 2018-06-27 08:57:13 -04:00
Joe Taylor
acd6d5cab9 Fix some bugs for more varied example messages. 2018-06-26 21:00:53 -04:00
Joe Taylor
c75a270872 Finish decoding of Types 1 and 3 (except for rpt/RRR/RR73/73). 2018-06-26 16:47:16 -04:00
Joe Taylor
b0636b561b Basic function for message Types 0.0-0.5 and Type 1. 2018-06-26 16:34:38 -04:00
Joe Taylor
9d5a2e6f5a Through type 0.3. 2018-06-26 15:20:39 -04:00
Joe Taylor
9ccb96397d source-encode/decode of 77-bit messages OK through type 0.3. 2018-06-26 15:13:15 -04:00
Joe Taylor
2006fde28c Completed pack77/unpack77 through message Type 0.2. Still more to do! 2018-06-26 13:55:12 -04:00
Steve Franke
03abada09b More progress on sequence demodulator. Can now do nsymb=1,2, and/or 3. 2018-06-26 11:11:58 -05:00
Joe Taylor
0adcfc667f Add files for source encoding and decoding of 77-bit messages. 2018-06-26 08:33:13 -04:00
Steve Franke
7684bd0e78 Work toward a generalized sequence detector for nsymbols=1, 2, or 3. Works for nsymbol=3, but not yet for nsymbol=1, or 2. 2018-06-25 17:01:34 -05:00
Joe Taylor
bd5aec3f31 More tweaks to description of 77-bit message types. 2018-06-23 15:15:10 -04:00
Joe Taylor
539ec3d465 test 2018-06-23 12:15:47 -04:00
Joe Taylor
35b53766cb Add info on 28-bit integers used for standard callsigns. 2018-06-23 11:54:40 -04:00
Joe Taylor
7266d407ff Amended rules for 77-bit message types. 2018-06-22 16:36:14 -04:00
Steve Franke
0f5759270e Added 2-symbol sequence detection for proof-of-concept tests. 2018-06-22 11:20:28 -05:00
Joe Taylor
2edcebef40 Further progress toward defining the 77-bit message types. 2018-06-21 15:38:08 -04:00
Joe Taylor
96f3fa5810 Add directory 77bit and its contents. 2018-06-21 10:51:19 -04:00
Joe Taylor
f8bb7f4477 Implement a valid scheme for computing S/N in JT4 mode. 2018-06-18 13:41:26 -04:00
Steve Franke
3f8c218ebe Make changes to ft8b_2.f90 to accommodate the new 77-bit in/out encoding/decoding routines. With these changes, WSJT-X decodes (174,91) frames. 2018-06-17 12:11:32 -05:00
Steve Franke
1a31e5b2d6 For (174,91) code, move CRC generation and testing into encode and decode routines. Make ldpcsim174_91.f90 work with the new encode/decode routines. 2018-06-17 08:44:10 -05:00
Steve Franke
2cdb164446 Move CRC13 creation into encode128_90.f90 and CRC checking into bpdecode128_90.f90. 2018-06-16 16:42:02 -05:00
Steve Franke
e16e78790a Create chkcrc13a.f90. Should chkcrc12a, chkcrc13a, and chkcrc14a be combined into one routine? 2018-06-16 09:04:51 -05:00
Steve Franke
c18338b83b Fix the calculation of symbol error probability. 2018-06-16 09:03:32 -05:00
Steve Franke
6846964170 Add 'code b' - a better (128,90) code. Code b has irregular column weights - 80% weight 3 and 20% weight 4. 2018-06-14 15:38:58 -05:00
Joe Taylor
67b5c80e1a Update the contest ideas. 2018-06-14 11:31:16 -04:00
Steve Franke
1aeaa1715b Fix up ldpcsim144 for comparisons with ldpcsim128_90. 2018-06-14 09:59:49 -05:00
Steve Franke
5da3986f0a More work on (128,90) code. ldpcsim128_90 works now. 2018-06-14 09:30:41 -05:00
Joe Taylor
0344c14f99 Add the white paper digi-contest.txt. 2018-06-14 10:14:30 -04:00
Steve Franke
3ac119fb99 Progress toward a working ldpc128_90 simulator. Compiles, but does not yet work. 2018-06-13 11:34:00 -05:00
Steve Franke
41920af89a Add routines that will implement 77-bit messages for MSK144. Initial tests will use a (128,90) code. 2018-06-13 09:40:04 -05:00
Steve Franke
9b63fe6ac7 Fix a bug in ldpcsim144 so that nerrhisto.dat is calculated and printed. 2018-06-12 16:00:06 -05:00
Steve Franke
a5837bd5c7 AP decoding now works for type 2 frames. Also cleaned up and simplified AP implementation in ft8b_2. 2018-06-11 15:10:44 -05:00
Steve Franke
6fe9e8f860 Remove the need to re-order the parity-check matrix columns for compatibility with the generator matrix. Redefine the codeword to have the form [91 message bits|83 parity bits]. 2018-06-09 13:05:11 -05:00
Steve Franke
68beed88a7 Change to Gray bit to symbol mapping for (174,91) messages. 2018-06-08 16:21:21 -05:00
Steve Franke
a3d9cf8bcd Fix a bug that could cause all log-likelihoods to be NaN in some cases. 2018-06-07 14:24:35 -05:00
Steve Franke
a0db6a8a08 Disable AP passes for type 2 frames, for now. Write some diagnostics to lun 81. 2018-06-07 11:40:25 -05:00
Steve Franke
b84602d059 Zero the apsymbols for type 2 frames, for now. 2018-06-06 11:28:44 -05:00
Steve Franke
a23e2b6f8b Fix a bug that caused some second-decoding-attempt log-likelihoods to become NaN. 2018-06-06 11:21:00 -05:00
Steve Franke
badc639777 Fix a bug in sync8d.f90. Switching between Costas arrays should work now. 2018-06-06 10:59:49 -05:00
Steve Franke
48b60eab71 Make two sync passes, one for each sync array. Label candidates with their type and decode accordingly. 2018-06-05 16:44:52 -05:00
Steve Franke
772b1bd5fa ft8sim can now generate old (174,87) or new (174,91) frames. Frame type is selected using the itype command line parameter. 2018-06-05 08:40:00 -05:00
Steve Franke
86a5ae6596 costasxcorr is a Gnu Octave script that calculates the cross correlation between Costas arrays. 2018-06-04 14:06:14 -05:00
Steve Franke
c4ee0a2b41 Replace all references to code a with references to code c. 2018-06-04 08:04:22 -05:00
Steve Franke
689711ff1f Add definitions for a new and improved (174,91) code - called code c 2018-06-04 08:04:22 -05:00
Steve Franke
01a380084d Changes to make it easier to test different codes. 2018-06-04 08:04:22 -05:00
Steve Franke
358081f280 Changes necessary to build ldpcsim174_91.f90. 2018-06-04 08:04:22 -05:00
Steve Franke
87f5510999 ldpcsim174_91 now works 2018-06-04 08:04:22 -05:00
Steve Franke
84c153f9a9 Really add the new encoder and decoders. 2018-06-04 08:04:22 -05:00
Steve Franke
7a228d8f7d Starting to implement a (174,91) code. 2018-06-04 08:04:22 -05:00
Steve Franke
aeee9b62bb Hack CMakeLists.txt so that repo will build.
Modify CMakeLists.txt so that wspr5sim, wspr5d build.
2018-06-04 08:04:22 -05:00
Bill Somerville
03df5baaa0 Deal with strict interpretation if ISO C interop in recent GCC Fortran
Cast C char array type to Fortran character string using TRANSFER.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8666 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-05-19 20:41:27 +00:00
Steven Franke
75111eef66 Bring some simulation tools up to date.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8664 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-05-18 15:04:15 +00:00
Joe Taylor
70768618b8 Correct typo in a comment.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8663 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-05-17 18:32:11 +00:00
Joe Taylor
58939ce011 More changes to accommodate Hounds with compound calls. Fox CQs only every 4 Tx sequences.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8651 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-05-09 17:18:08 +00:00
Joe Taylor
1f9b538232 Allow Fox to work Hounds with compound calls. Needs more testing!
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8650 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-05-09 14:22:19 +00:00
Joe Taylor
58731f8caa LU=19 shound be opened even if nagain is true; otherwise it will try to write in the exe directory.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8646 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-05-01 17:14:21 +00:00
Steven Franke
d99129e196 Add an @nnnn example to the jt49sim usage message.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8645 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-29 15:06:57 +00:00
Steven Franke
8149fe24be More work on block detection for dpsk.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8644 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-28 22:18:19 +00:00
Steven Franke
073d7d01c9 Remove debug statement so that jt4 files can be simulated. Thanks Roger, W3SZ.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8643 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-28 13:00:26 +00:00
Joe Taylor
be8c837d85 New simulator jt49sim, replaces both jt4sim and jt9sim. Fix the S/N estimates made for slow/wide JT9 submodes.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8639 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-25 17:24:58 +00:00
Steven Franke
cfcec4d02f Add a rudimentary decoder for dpsk test mode. Hardwired sync only so far.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8637 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-24 16:37:29 +00:00
Joe Taylor
79b04fa658 Fox's Reset now clears the arrays of hound callers.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8635 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-24 14:15:13 +00:00
Steven Franke
bd0d414365 More work on a simulator for dpsk with root-raised-cosine pulses.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8632 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-22 19:51:31 +00:00
Steven Franke
92a45a68c6 More work on dpsk simulator.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8611 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-13 00:26:47 +00:00
Steven Franke
8772a101dc Add some development routines.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8604 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-08 17:07:08 +00:00
Steven Franke
1f9d73963b Update wsprcpm simulator and decoder.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8603 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-03 14:55:55 +00:00
Joe Taylor
d0db3f74d6 Further improvements for decoding drifting JT65 signals.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8601 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-02 18:57:08 +00:00
Joe Taylor
e7e1b3c3cc Further improvements for decoding drifting JT65 signals.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8600 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-02 18:07:56 +00:00
Joe Taylor
6d70acef57 Improve AFC action for JT65, especially submodes B and C.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8599 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-02 17:24:18 +00:00
Steven Franke
67a41a9f1d Add some simulation tools for binary cpm with sequence detection.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8586 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-03-22 14:21:39 +00:00
Steven Franke
2786c20ba2 Add support for a rate 1/3 (204,68) code.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8585 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-03-22 14:20:07 +00:00
Steven Franke
8b164ba17f Add crc14.cpp
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8584 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-03-22 14:18:14 +00:00
Steven Franke
3bb0ec9c78 Minor updates to osd300.f90
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8583 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-03-22 14:04:17 +00:00
Steven Franke
29c60f5f42 Update a development tool.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8582 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-03-22 14:00:27 +00:00
Joe Taylor
dc8e210664 Permit Hounds with a compound callsign to call Fox.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8566 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-03-16 18:56:29 +00:00
Joe Taylor
00850ba488 Fix minor formatting alignments, etc.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8547 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-03-09 13:26:06 +00:00
Joe Taylor
3a8b2085eb Update a copyright notice.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8544 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-03-07 16:20:40 +00:00