Commit Graph

166 Commits

Author SHA1 Message Date
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
26de3219d3 Fix an off-by-one problem. 2018-06-30 14:56:19 -05:00
Steve Franke
83d81bdcd2 Streamline the sequence detector code. 2018-06-27 15:11:39 -05:00
Steve Franke
229ee09b99 Minor code cleanup. 2018-06-27 09:55:34 -05:00
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
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
Steve Franke
0f5759270e Added 2-symbol sequence detection for proof-of-concept tests. 2018-06-22 11:20:28 -05:00
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
e16e78790a Create chkcrc13a.f90. Should chkcrc12a, chkcrc13a, and chkcrc14a be combined into one routine? 2018-06-16 09:04:51 -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
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
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
01a380084d Changes to make it easier to test different codes. 2018-06-04 08:04:22 -05:00
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
Steven Franke
e0e13e1778 Edit some comments. No functional changes.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8530 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-02-24 21:40:47 +00:00
Joe Taylor
5d1df32387 Replace some temporarily removed code in ft8b, and some general cleanup.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8443 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-01-30 16:57:14 +00:00
Joe Taylor
910e18d042 Minor updates to ft8code.f90.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8442 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-01-30 16:13:56 +00:00
Joe Taylor
5f9dec3997 Add a required file.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8441 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-01-30 15:28:03 +00:00
Joe Taylor
c1bd6060dd New utility program ft8code. Remove unused references to recent_calls() in FT8 mode.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8440 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-01-30 15:25:10 +00:00
Steven Franke
b5a2f42033 Generalize osd174.f90 to permit deeper decoding, but keep depth settings as they were.1
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8428 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-01-21 17:53:36 +00:00
Steven Franke
affa853609 Fix some bugs in simulators, add pre-processing rules to osd300.f90.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8426 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-01-20 18:45:40 +00:00
Joe Taylor
d1be2506a9 Several enhancements to DXpedition mode:
1. Insert dummy report when Hound is called by complex-callsign Fox.
2. Allow Fox to transmit anywhere between 300 and 900 Hz.
3. Restrict randomized Hound freq to the range 1000 - 3000 Hz.
4. Suppress Fox signals that would be duplicates.


git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8376 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-27 21:06:57 +00:00
Joe Taylor
69cb0333ab Remove a diagnostic write; revert the other two files.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8365 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-22 18:03:32 +00:00
Joe Taylor
c353ec244f Additional changes to enable Fox to use a compound callsign.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8364 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-22 18:00:47 +00:00
Joe Taylor
f492a2560d Clean up behavior for Fox with compound callsign.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8363 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-22 17:25:16 +00:00
Joe Taylor
161ac6e76a All-new algorithm for determining Tx messages for Fox.
Also, extend max cmsg length to 40 characters.


git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8356 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-21 20:55:38 +00:00
Joe Taylor
19e0ad921d Updates to FT8 simulator, useful for testing DXped mode.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8352 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-19 20:59:59 +00:00
Joe Taylor
5c87f329a0 Better support for compound callsigns in DXpedition mode.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8351 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-19 20:01:06 +00:00
Joe Taylor
8f7ca2851c Fix a number of minor bugs in FT8 DXpedition mode.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8340 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-18 19:07:10 +00:00
Joe Taylor
d526d42078 Updates to the draft "DXpedition Quick Start Guide".
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8326 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-13 20:38:20 +00:00
Joe Taylor
030e4e4651 Remove a spurious include.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8325 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-13 20:24:02 +00:00
Joe Taylor
4f90f320c0 Add a filtering for signals generated in ft8sim. Beware, not all options work.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8324 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-13 20:22:15 +00:00
Joe Taylor
bb77853f27 Don't include diagnostic plotspec.f90.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8321 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-13 17:18:34 +00:00
Joe Taylor
c98b4c00b1 Comment out the calls to plotspec. They were for testing only.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8320 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-13 13:41:49 +00:00
Joe Taylor
c4f4e9d7bd Remove some diagnostics.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8318 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-12 20:33:44 +00:00
Joe Taylor
84b38ee0ad Fix a flaw in ft8sim. De-activate the calls to plotspec() in foxfilt.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8317 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-12 20:15:36 +00:00
Joe Taylor
5cadbe26aa Add filtering of audio waveforms generated for Fox.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8316 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-12 17:59:09 +00:00
Joe Taylor
c1255f39b8 Draft 'Quick Start Guide' for DXpedition mode.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8312 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-09 18:37:11 +00:00
Joe Taylor
7d23849786 Move subroutine h1() to its own file, h1.f90.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8310 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-09 03:21:48 +00:00
Joe Taylor
100c73b851 Now seems to compile OK in Linux.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8308 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-09 00:36:52 +00:00
Joe Taylor
1b22496ce4 Add missing routine.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8304 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-08 23:58:18 +00:00
Joe Taylor
6a90a11651 Tweaks to Fox/Hound behavior. More to come!
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8301 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-08 20:23:54 +00:00
Joe Taylor
1557b9cb99 Hound now transmits correctly.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8300 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-08 19:53:27 +00:00
Joe Taylor
385c83658e Hound can now decode Fox messages with i3bit=1.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8297 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-08 17:03:11 +00:00
Joe Taylor
075307da68 Now generating Fox "<...>" messages, which set i3bit=1.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8296 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-07 21:36:25 +00:00
Joe Taylor
5d0236755d Further progress with fox-mode coding. Not finished yet!
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8289 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-04 18:58:38 +00:00
Joe Taylor
ff7e127e53 Option to generate many "hounds" calling a fox.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8286 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-04 17:54:30 +00:00
Steven Franke
20a19fb3e3 Do only AP1 (CQ ??? ???) if we are processing live data and haven't
transmitted, or enabled Tune, for 10 minutes or more.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8282 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-04 00:46:19 +00:00
Joe Taylor
c4de80607c Make ft8sim able to generate simulated "Hound" signals.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8275 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-12-01 16:23:27 +00:00
Joe Taylor
7e549b5d55 More Fox progress...
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8271 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-11-30 20:34:05 +00:00
Joe Taylor
00e0d76fc2 Work-in-progress with Fox-mode code. Contains incomplete and untested code!
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8270 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-11-30 18:45:51 +00:00
Joe Taylor
521ea99991 Pass mycall and mygrid to foxgen().
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8263 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-11-27 21:23:24 +00:00
Joe Taylor
291c66806a Various corrections/additions to DXpedition Fox mode.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8262 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-11-27 20:22:44 +00:00
Joe Taylor
4b3245ccb5 Remove diagnostic write.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8252 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-11-21 21:04:37 +00:00
Joe Taylor
b0212188e6 Add multi-signal waveform compression.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8251 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-11-21 21:00:54 +00:00
Joe Taylor
d2dc0fdb00 Changes to allow transmission of multi-signal waveforms in Fox mode.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8249 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-11-21 20:06:58 +00:00
Joe Taylor
d69564242e Oops! Disable flush(29).
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8244 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-11-16 21:36:16 +00:00
Joe Taylor
3babfffbd7 Starting on code for Fox multi-sig transmissions.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8243 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-11-16 21:32:07 +00:00
Joe Taylor
70adc049ee Put a DXpedition "5 signal" mode into ft8sim.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8234 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-11-14 18:14:50 +00:00
Steven Franke
2e9a64aebe Move FT8 files into their own directory.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8200 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2017-10-30 21:30:14 +00:00