Commit Graph

238 Commits

Author SHA1 Message Date
Steven Franke 8eb58a47ba Fix a problem in ldpcsim174_91.f90. 2018-07-08 13:19:22 +00:00
Steve Franke fd0ad33028 MSK144: Wholesale changeover to (128,90) code with 77-bit messages. Compiles and doesn't crash, but communication between two instances has not been tested. 2018-07-07 10:35:59 -05:00
Steve Franke 42f75bf404 Fix graymap. 2018-07-07 08:18:31 -05:00
Steve Franke 5948b671eb Still working on getting c++/fortran interface right. 2018-07-06 18:14:56 -05:00
Steve Franke b83b66e665 Changed genft8 and related routines to accept 37 char message and return 37 char msgsent. For now, in mainwindow, just copy the 22 char message into message37. 2018-07-05 15:32:04 -05:00
Joe Taylor e5e81e01fb Make packjt77 into a module; move all its routines into file packjt77.f90. 2018-07-05 14:07:17 -04:00
Steve Franke 4b8ea3ef45 Wire up the 'Decode only 77-bit messages' checkbox. 2018-07-05 07:51:10 -05:00
Steve Franke ed92d5a86c SNR estimator is broken for isync=2 messages, due to different signal normalization. For now, go back to SJF's old signal/(noise+interference) estimator. 2018-07-04 16:58:24 -05:00
Steve Franke a448dc5640 Use 37 character message for de-duping. Comment out some code that needs to be updated to work with new message type. 2018-07-04 16:20:12 -05:00
Steve Franke 50d8945bca Fix up Usage message for ft8sim2. 2018-07-04 12:41:43 -05:00
Steve Franke d70e3dbb26 Fix some problems in ft8sim2.f90. 2018-07-04 10:38:10 -05:00
Steve Franke df652e383b More progress on making ft8sim2 and ft8b_2 encode and decode all message types. For now, decoder.f90 is hardwired to always print 37 characters. 2018-07-04 10:15:01 -05:00
Steve Franke 91388f8ba2 Create a separate simulation program, ft8sim2, for New Style 77 bit messages. Hashes are not handled yet. Needs more testing. 2018-07-04 09:52:39 -05:00
Steve Franke 24f4792b23 Fix incorrect reference to extract77 - should have been unpack77 2018-07-03 15:59:24 -05:00
Steve Franke 57ebc30369 Call the new extract77 in ft8b_2. Define msg37 and msgsent37 to replace their 22-bit predecessors. 2018-07-03 15:34:39 -05:00
Steve Franke bb12c7424d Module packjt77.f90 includes the 77bit utility programs called by pak77 and unpack77. Modify genft8_174_91.f90 to generate type 2 messages. 2018-07-03 15:08:38 -05:00
Steve Franke cf64cad091 Send m_i3, m_n3, m_isync from mainwindow to genft8.f90 and use these to determine the type of generated message, according to the scheme described in lib/77bit/NewCode.txt. 2018-07-03 14:37:50 -05:00
Steve Franke 9295726931 Fix the sign of i3 when trying to subtract a type message. 2018-07-03 11:24:42 -05:00
Steve Franke 385cda8e01 Comment out a debug message. 2018-07-03 11:17:21 -05:00
Steve Franke 3f897225fe genft8 now looks at sign of n3 and i3. If either sign is negative, generate a type 1 (classic) message. Otherwise generate type 2. Type 1 seems to work. Type 2 does not yet work. 2018-07-03 11:10:47 -05:00
Steve Franke 91b7544ba1 More progress toward switching to (i3,n3). wsjtx runs without crashing now. 2018-07-03 09:49:11 -05:00
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
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