Commit Graph

1812 Commits

Author SHA1 Message Date
Joe Taylor 7e3b153d8b Correct the estimate of SNR for FT4 signals. 2019-01-29 13:56:04 -05:00
Joe Taylor 0a6d67c1d6 Make the simulated data files slightly longer so that WSJT-X can decode them. 2019-01-29 13:55:04 -05:00
Joe Taylor e98231d4c1 Correct the call to genft4(); fix the displayed time for data from disk. 2019-01-29 10:39:34 -05:00
Steve Franke d3b1f7e560 Prevent some out-of-bounds problems. 2019-01-27 19:28:41 -06:00
Steve Franke 57cf69e6ad First cut at identifying multiple candidates for decoding. Needs work. 2019-01-27 19:19:47 -06:00
Steve Franke 613bfaf3ee Change ft4 to use (174,91) code and 512 Sa/symbol. 2019-01-26 23:03:54 -06:00
Steve Franke d9f4a27a3e Create ft4_decode.f90. Change stand-alone decoder ft4d.f90 to use ft4_decode.f90. 2019-01-26 11:42:07 -06:00
Steve Franke c52f755afc Make Watterson simulator causal. 2019-01-25 16:26:13 -06:00
Steve Franke 9fa08d3838 Un-hardwire sync. 2019-01-25 16:06:45 -06:00
Steve Franke 8baf48701e Merge branch 'feat-ft2' of bitbucket.org:k1jt/wsjtx into feat-ft2 2019-01-25 16:01:42 -06:00
Steve Franke 66e3f11fba Add ft4 files in lib/ft4. 2019-01-25 16:01:34 -06:00
Joe Taylor 5efa28164c Remove a redundant file reference in CMakeLists.txt. Fix call to unpck77 in genft2.f90 2019-01-25 14:46:17 -05:00
Steve Franke 3bdbf19d1d Make ft4sim and ft4d work. 2019-01-22 11:01:28 -06:00
Steve Franke b4639b77d0 Fix CMakeLists.txt so that ft2_decode still builds. Fix a bug in ft4d - sync now seems to work. 2019-01-21 19:52:13 -06:00
Steve Franke 7b7857cd77 Merge branch 'feat-ft2' of bitbucket.org:k1jt/wsjtx into feat-ft2 2019-01-21 19:33:51 -06:00
Steve Franke f2dc394c84 Add ft4 files; ft4sim works, ft4d is work in progress. 2019-01-21 19:31:54 -06:00
Joe Taylor 486440beb4 Merge branch 'feat-ft2' of bitbucket.org:k1jt/wsjtx into feat-ft2 2019-01-18 16:23:19 -05:00
Joe Taylor 568fc0810e Tx now works, more or less, in FT2 mode. Needs testing! 2019-01-18 16:22:25 -05:00
Joe Taylor 2033a2b33d Add a missing file; tweak the FT2 decoder. 2019-01-18 12:33:45 -05:00
Joe Taylor 5f03d97a9e Implement basic Rx capability for FT2 in WSJT-X. 2019-01-18 11:51:15 -05:00
Joe Taylor c81af0bbe5 Updates to code for stand-alone ft2[.exe]. 2019-01-18 08:57:46 -05:00
Joe Taylor c6bc3c64bb Add parameters for FT8 and Ft2 to wavhdr.f90. 2019-01-18 07:45:59 -05:00
Steve Franke f447fe49e1 Fix some indexing problems. Create subroutine ft2_gfsk_iwave.f90 for use with ft2.exe. Needs testing. 2019-01-17 15:25:06 -06:00
Steve Franke 7701516b43 ft2sim now creates a GFSK waveform with BT=1.0. It also adds raised cosine ramp up and down at the beginning and end of the transmission. 2019-01-17 14:01:40 -06:00
Joe Taylor 9b483d5ee1 Fix ft2 build to accommodate having merged changes from the hotfix branch. 2019-01-16 16:25:31 -05:00
Bill Somerville 074914d607 Fix merge issues 2019-01-16 20:55:01 +00:00
Bill Somerville aee9c09851 Merge branch 'develop' into feat-ft2 2019-01-16 20:44:44 +00:00
Joe Taylor 0a648a109f Correct broken S/N for tx_once transmissions. 2019-01-16 15:00:12 -05:00
Joe Taylor 3023f7e5c6 Minor tweaks in formatting, etc. 2019-01-16 13:58:56 -05:00
Joe Taylor dc5d9f1617 Add a comment. 2019-01-16 13:20:13 -05:00
Joe Taylor 12463451e2 Allow upper or lower case for "A" and "L" commands. 2019-01-16 13:16:10 -05:00
Joe Taylor f194621695 Many improvements to ft2, including:
- SNR displayed on decode line
 - Separate transmit() subroutine
 - Output sent to all_ft2.txt
 - Display Rx level (hit L to toggle On/Off)
 - Auto-sequencing  (hit A to toggle On/Off)
2019-01-16 13:10:36 -05:00
Joe Taylor 60fb12dcd4 Add several more messages for testing. 2019-01-15 20:19:18 -05:00
Joe Taylor 4a4a83f021 Correct the logic for PTT control through a Windows COM port. 2019-01-15 19:21:58 -05:00
Joe Taylor bbbe83ffe5 Progress: ft2.exe is now basically functional in audio-loopback tests. 2019-01-15 15:05:04 -05:00
Joe Taylor 8a6cee7e26 Add files for command-line program ft2[.exe]. 2019-01-14 16:39:50 -05:00
Steve Franke 348e7c8ad5 In principle, ft2d can now decode multiple signals. Not yet tested. 2019-01-13 15:44:16 -06:00
Steve Franke 1fb89929a9 Make ft2d slightly more robust. Still very rough. 2019-01-13 10:58:35 -06:00
Steve Franke 8f1baae048 If delay=0.0 make Watterson use only a single component to simulate flat fading. 2019-01-13 09:25:30 -06:00
Steve Franke cf1fe6c3d6 More work on FT2. New frame format is 16sync + 128codeword. Data chunk is assumed to be 2.5s long. A rudimentary sync routine is implemented which finds the single strongest signal. 2019-01-12 13:28:10 -06:00
Steve Franke f63f0301eb Tweak some decoder parameters for better performance. 2019-01-10 10:35:09 -06:00
Steve Franke e0658f183f Add simulator (ft2sim.f90) and decoder (ft2d.f90) for experimental medium-fast mode. 2019-01-10 10:20:31 -06:00
Joe Taylor 95599a7153 Add a standalone FT8 decoder, for testing. 2019-01-09 12:45:20 -05:00
Joe Taylor 5adc211d1a Correct a minor bug in qra64.c. 2019-01-08 13:47:53 -05:00
Steve Franke c4d078f55f Remove unnecessary character string space-padding. 2019-01-03 14:02:17 -06:00
Steve Franke db5c9e1fe9 Make wspr OSD decoding work with type 2 messages (extended callsign + power in dBm). 2018-12-24 12:52:41 -06:00
Steve Franke 1a8ddad307 In ft8apset, mycall and dxcall must be at least 3 characters long, otherwise they are treated as non-existent. 2018-12-24 11:19:07 -06:00
Steve Franke b44d7b472d Fix a typo. 2018-12-24 10:49:40 -06:00
Steve Franke 318ce0020e Try harder to ensure that we don't waste time trying to do ap decoding that would involve nonstandard calls. Current code does not support ap decoding with non-standard calls. 2018-12-24 10:45:02 -06:00
Bill Somerville de9990bb60 Fix a mangled edit and an incorrect exit condition 2018-12-24 03:52:06 +00:00