drowe67 [Tue, 1 May 2018 19:19:06 +0000 (19:19 +0000)]
complex float tweak, thanks Steve
git-svn-id: https://svn.code.sf.net/p/freetel/code@3548
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drowe67 [Tue, 1 May 2018 19:15:20 +0000 (19:15 +0000)]
better names for some #defines, thanks Danilo
git-svn-id: https://svn.code.sf.net/p/freetel/code@3547
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drowe67 [Tue, 1 May 2018 04:16:37 +0000 (04:16 +0000)]
first pass 700D rx demodulating from a file
git-svn-id: https://svn.code.sf.net/p/freetel/code@3546
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drowe67 [Tue, 1 May 2018 04:11:21 +0000 (04:11 +0000)]
some tweaks to get 700D working with FreeDV GUI
git-svn-id: https://svn.code.sf.net/p/freetel/code@3545
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drowe67 [Tue, 1 May 2018 01:40:04 +0000 (01:40 +0000)]
SNR being reported correctly
git-svn-id: https://svn.code.sf.net/p/freetel/code@3544
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drowe67 [Tue, 1 May 2018 01:08:56 +0000 (01:08 +0000)]
debugging with freedv
git-svn-id: https://svn.code.sf.net/p/freetel/code@3543
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drowe67 [Tue, 1 May 2018 00:40:43 +0000 (00:40 +0000)]
added extended modem stats, hooked up SNR ests to freedv API for 700D
git-svn-id: https://svn.code.sf.net/p/freetel/code@3542
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drowe67 [Mon, 30 Apr 2018 22:53:48 +0000 (22:53 +0000)]
operator control of sync state machine
git-svn-id: https://svn.code.sf.net/p/freetel/code@3541
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drowe67 [Mon, 30 Apr 2018 22:10:58 +0000 (22:10 +0000)]
reconcilled C and Octave sync state machines - still some tunign rqd here
git-svn-id: https://svn.code.sf.net/p/freetel/code@3540
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drowe67 [Mon, 30 Apr 2018 21:31:32 +0000 (21:31 +0000)]
added clip option to ofdm/700d, minor change in BER, brings PAPR down to 8dB ish
git-svn-id: https://svn.code.sf.net/p/freetel/code@3539
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drowe67 [Mon, 30 Apr 2018 08:40:23 +0000 (08:40 +0000)]
txt working with 700D
git-svn-id: https://svn.code.sf.net/p/freetel/code@3538
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drowe67 [Mon, 30 Apr 2018 01:45:02 +0000 (01:45 +0000)]
separate packed bits states for tx and rx to maintain correct state when used in full duplex
git-svn-id: https://svn.code.sf.net/p/freetel/code@3537
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drowe67 [Mon, 30 Apr 2018 01:40:03 +0000 (01:40 +0000)]
freedv 700D rx working using nominal speech output frame size
git-svn-id: https://svn.code.sf.net/p/freetel/code@3536
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drowe67 [Mon, 30 Apr 2018 01:12:01 +0000 (01:12 +0000)]
freedv_rx working with interleaving
git-svn-id: https://svn.code.sf.net/p/freetel/code@3535
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drowe67 [Sun, 29 Apr 2018 05:27:43 +0000 (05:27 +0000)]
freedv tx side working with test frames with interleaving
git-svn-id: https://svn.code.sf.net/p/freetel/code@3534
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drowe67 [Sun, 29 Apr 2018 05:26:27 +0000 (05:26 +0000)]
working spectrogram
git-svn-id: https://svn.code.sf.net/p/freetel/code@3533
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drowe67 [Sun, 29 Apr 2018 05:26:00 +0000 (05:26 +0000)]
fix up SNR plot
git-svn-id: https://svn.code.sf.net/p/freetel/code@3532
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drowe67 [Sat, 28 Apr 2018 03:54:37 +0000 (03:54 +0000)]
snr est added to ofdm_demod with Octave plot, mean_amp added to ofdm_demod and freedv_api with improved bit error rates, tofdm working
git-svn-id: https://svn.code.sf.net/p/freetel/code@3531
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drowe67 [Sat, 28 Apr 2018 00:24:45 +0000 (00:24 +0000)]
added mean_amp estimation to C, tofdm passes
git-svn-id: https://svn.code.sf.net/p/freetel/code@3530
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drowe67 [Fri, 27 Apr 2018 23:21:46 +0000 (23:21 +0000)]
testing amplitude scaling to improve LDPC dec with different level inputs
git-svn-id: https://svn.code.sf.net/p/freetel/code@3529
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drowe67 [Fri, 27 Apr 2018 21:19:02 +0000 (21:19 +0000)]
Es/No and SNR estimation, works well on AWGN of slow fading, afew dB low on high SNR fast (1Hz) fading
git-svn-id: https://svn.code.sf.net/p/freetel/code@3528
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drowe67 [Fri, 27 Apr 2018 21:09:09 +0000 (21:09 +0000)]
typo
git-svn-id: https://svn.code.sf.net/p/freetel/code@3527
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drowe67 [Fri, 27 Apr 2018 20:51:10 +0000 (20:51 +0000)]
modified varicode to replace an unsupported char >= 128 with a space rather than firing assert
git-svn-id: https://svn.code.sf.net/p/freetel/code@3526
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drowe67 [Thu, 26 Apr 2018 03:25:18 +0000 (03:25 +0000)]
removed spurious t
git-svn-id: https://svn.code.sf.net/p/freetel/code@3525
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drowe67 [Tue, 24 Apr 2018 07:02:49 +0000 (07:02 +0000)]
adjusted ofdm levels to be the same as fdmdv - C
git-svn-id: https://svn.code.sf.net/p/freetel/code@3524
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drowe67 [Tue, 24 Apr 2018 06:57:31 +0000 (06:57 +0000)]
adjusted ofdm levels to be the same as fdmdv - octave
git-svn-id: https://svn.code.sf.net/p/freetel/code@3523
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drowe67 [Tue, 24 Apr 2018 03:38:46 +0000 (03:38 +0000)]
fixed bug in amplitude estimator that improved LDPC dec perf - C code
git-svn-id: https://svn.code.sf.net/p/freetel/code@3522
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drowe67 [Tue, 24 Apr 2018 03:37:09 +0000 (03:37 +0000)]
fixed bug in amplitude estimator that improved LDPC dec perf - Octave code
git-svn-id: https://svn.code.sf.net/p/freetel/code@3521
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drowe67 [Mon, 23 Apr 2018 23:21:39 +0000 (23:21 +0000)]
first pass freedv_api/freedv_rx working ... problems with amplitude scaling and nout samples returned/speech buffer size when out of sync. Interleaving over one frame
git-svn-id: https://svn.code.sf.net/p/freetel/code@3520
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hobbes1069 [Mon, 23 Apr 2018 20:39:22 +0000 (20:39 +0000)]
Build tree fixes which allow building FreeDV against a build tree of codec2 instead of the system or static build.
git-svn-id: https://svn.code.sf.net/p/freetel/code@3519
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drowe67 [Sun, 22 Apr 2018 21:54:31 +0000 (21:54 +0000)]
freedv_api tx working for 700D with 1 frame interleaving. Need to refactor to handle multiple frame interleaving, and adjust output level
git-svn-id: https://svn.code.sf.net/p/freetel/code@3518
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drowe67 [Sat, 21 Apr 2018 21:11:31 +0000 (21:11 +0000)]
first pass at init and shutdown code for freedv 700D
git-svn-id: https://svn.code.sf.net/p/freetel/code@3517
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drowe67 [Sat, 21 Apr 2018 04:00:41 +0000 (04:00 +0000)]
refactoring mod functions that can be used for freedv_api 700D mode
git-svn-id: https://svn.code.sf.net/p/freetel/code@3516
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drowe67 [Fri, 20 Apr 2018 21:25:07 +0000 (21:25 +0000)]
refactoring functions that can be reused in freedv_api
git-svn-id: https://svn.code.sf.net/p/freetel/code@3515
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drowe67 [Fri, 20 Apr 2018 01:31:01 +0000 (01:31 +0000)]
FreeDV 1600 example, 10dB higher SNR
git-svn-id: https://svn.code.sf.net/p/freetel/code@3514
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drowe67 [Fri, 20 Apr 2018 00:24:08 +0000 (00:24 +0000)]
output formatting changes and more examples
git-svn-id: https://svn.code.sf.net/p/freetel/code@3513
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drowe67 [Fri, 20 Apr 2018 00:23:51 +0000 (00:23 +0000)]
output formatting changes and more examples
git-svn-id: https://svn.code.sf.net/p/freetel/code@3512
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drowe67 [Thu, 19 Apr 2018 23:55:49 +0000 (23:55 +0000)]
reporting iters/pcc during sync, and cohpsk cmd line interface and results re-written to help test ofdm
git-svn-id: https://svn.code.sf.net/p/freetel/code@3511
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drowe67 [Thu, 19 Apr 2018 23:51:49 +0000 (23:51 +0000)]
stabd alone script to generate fading sample files for cohpsk_ch
git-svn-id: https://svn.code.sf.net/p/freetel/code@3510
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drowe67 [Thu, 19 Apr 2018 23:50:28 +0000 (23:50 +0000)]
updated fading sample generation
git-svn-id: https://svn.code.sf.net/p/freetel/code@3509
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drowe67 [Thu, 19 Apr 2018 07:31:27 +0000 (07:31 +0000)]
all codec2-dev building OK
git-svn-id: https://svn.code.sf.net/p/freetel/code@3508
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drowe67 [Thu, 19 Apr 2018 07:30:39 +0000 (07:30 +0000)]
Thanks Steve for fsk.c patch to use all data for tone est, tested with horus_demod, runs OK
git-svn-id: https://svn.code.sf.net/p/freetel/code@3507
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drowe67 [Thu, 19 Apr 2018 07:23:57 +0000 (07:23 +0000)]
tofdm working with and without CML support
git-svn-id: https://svn.code.sf.net/p/freetel/code@3506
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drowe67 [Thu, 19 Apr 2018 06:40:08 +0000 (06:40 +0000)]
up to date CML patch, terminates early etc
git-svn-id: https://svn.code.sf.net/p/freetel/code@3505
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drowe67 [Thu, 19 Apr 2018 06:18:30 +0000 (06:18 +0000)]
path to CML librray more sensible for others to use
git-svn-id: https://svn.code.sf.net/p/freetel/code@3504
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drowe67 [Thu, 19 Apr 2018 05:04:59 +0000 (05:04 +0000)]
first pass working with Codec 2 700C! However only works on 1 or 2 frame interleaver, interleaver sync makes mistakes sometimes and needs work
git-svn-id: https://svn.code.sf.net/p/freetel/code@3503
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drowe67 [Thu, 19 Apr 2018 03:30:18 +0000 (03:30 +0000)]
bitperchar option to make feeding ofdm_mod easier
git-svn-id: https://svn.code.sf.net/p/freetel/code@3502
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drowe67 [Wed, 18 Apr 2018 23:42:22 +0000 (23:42 +0000)]
refactoring of ldpc/interleaver code, added test mode, iterleaving, and ldpc to ofdm_mod, compiles but not tested
git-svn-id: https://svn.code.sf.net/p/freetel/code@3501
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drowe67 [Wed, 18 Apr 2018 21:10:34 +0000 (21:10 +0000)]
refactored UW insertion
git-svn-id: https://svn.code.sf.net/p/freetel/code@3500
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drowe67 [Wed, 18 Apr 2018 21:09:21 +0000 (21:09 +0000)]
refactored UW insertion
git-svn-id: https://svn.code.sf.net/p/freetel/code@3499
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drowe67 [Wed, 18 Apr 2018 04:25:50 +0000 (04:25 +0000)]
added ofdm_demod example
git-svn-id: https://svn.code.sf.net/p/freetel/code@3498
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drowe67 [Tue, 17 Apr 2018 20:27:51 +0000 (20:27 +0000)]
rename sync states for more compact logging
git-svn-id: https://svn.code.sf.net/p/freetel/code@3497
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drowe67 [Tue, 17 Apr 2018 09:37:28 +0000 (09:37 +0000)]
better fr by fr stats when interleaver used
git-svn-id: https://svn.code.sf.net/p/freetel/code@3496
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drowe67 [Tue, 17 Apr 2018 09:37:16 +0000 (09:37 +0000)]
better fr by fr stats when interleaver used
git-svn-id: https://svn.code.sf.net/p/freetel/code@3495
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drowe67 [Tue, 17 Apr 2018 07:35:58 +0000 (07:35 +0000)]
non trival UW, but still occasional false syncs, and can be slow to sync
git-svn-id: https://svn.code.sf.net/p/freetel/code@3494
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drowe67 [Tue, 17 Apr 2018 07:34:22 +0000 (07:34 +0000)]
uncoded BER being counted OK
git-svn-id: https://svn.code.sf.net/p/freetel/code@3493
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drowe67 [Mon, 16 Apr 2018 21:57:54 +0000 (21:57 +0000)]
C interleaver sync working, trying new C state macine to preventfalse syncs when freq offset est makes mistakes
git-svn-id: https://svn.code.sf.net/p/freetel/code@3492
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drowe67 [Sun, 15 Apr 2018 02:14:11 +0000 (02:14 +0000)]
more examples
git-svn-id: https://svn.code.sf.net/p/freetel/code@3491
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drowe67 [Sun, 15 Apr 2018 00:53:53 +0000 (00:53 +0000)]
first pass interleaver sync working
git-svn-id: https://svn.code.sf.net/p/freetel/code@3490
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drowe67 [Sat, 14 Apr 2018 10:06:54 +0000 (10:06 +0000)]
LDPC encoded test frame, measuring uncoded and coded errors for single interleaver frame on ofdm_demod, but perf a bit poor cf ofdm_lpc_rx
git-svn-id: https://svn.code.sf.net/p/freetel/code@3489
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drowe67 [Sat, 14 Apr 2018 08:10:45 +0000 (08:10 +0000)]
optional checksum status display, output more chars of RTTY string
git-svn-id: https://svn.code.sf.net/p/freetel/code@3488
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drowe67 [Sat, 14 Apr 2018 06:20:25 +0000 (06:20 +0000)]
reduced buffer sizes to reduce latency
git-svn-id: https://svn.code.sf.net/p/freetel/code@3487
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drowe67 [Sat, 14 Apr 2018 05:30:50 +0000 (05:30 +0000)]
refactored a little
git-svn-id: https://svn.code.sf.net/p/freetel/code@3486
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drowe67 [Sat, 14 Apr 2018 04:35:19 +0000 (04:35 +0000)]
horus binary working in Occtave and interoperates with horus_api
git-svn-id: https://svn.code.sf.net/p/freetel/code@3485
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drowe67 [Sat, 14 Apr 2018 04:00:48 +0000 (04:00 +0000)]
new horus binary packet with intereleaver and scrambling
git-svn-id: https://svn.code.sf.net/p/freetel/code@3484
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drowe67 [Sat, 14 Apr 2018 02:43:21 +0000 (02:43 +0000)]
binary mode working too
git-svn-id: https://svn.code.sf.net/p/freetel/code@3483
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drowe67 [Sat, 14 Apr 2018 01:48:11 +0000 (01:48 +0000)]
horus_demod and horus_api demodulating RTTY OK
git-svn-id: https://svn.code.sf.net/p/freetel/code@3482
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drowe67 [Fri, 13 Apr 2018 23:03:46 +0000 (23:03 +0000)]
horus_demod compiles without warning, but not tested and debugged yet
git-svn-id: https://svn.code.sf.net/p/freetel/code@3481
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drowe67 [Fri, 13 Apr 2018 22:40:44 +0000 (22:40 +0000)]
run_sim and demod_file count # rx packets
git-svn-id: https://svn.code.sf.net/p/freetel/code@3480
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drowe67 [Fri, 13 Apr 2018 22:25:11 +0000 (22:25 +0000)]
refactoring, added postamble so all packets demodulated
git-svn-id: https://svn.code.sf.net/p/freetel/code@3479
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drowe67 [Fri, 13 Apr 2018 21:41:09 +0000 (21:41 +0000)]
refactoring to separate modem from protocol states
git-svn-id: https://svn.code.sf.net/p/freetel/code@3478
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drowe67 [Fri, 13 Apr 2018 06:51:09 +0000 (06:51 +0000)]
progressing ofdm_demod, need to add raw/coded BER counters and confirm perf the same as Octave
git-svn-id: https://svn.code.sf.net/p/freetel/code@3477
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drowe67 [Fri, 13 Apr 2018 06:35:36 +0000 (06:35 +0000)]
tofdm working with ldpc decoder, Octave side
git-svn-id: https://svn.code.sf.net/p/freetel/code@3476
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drowe67 [Fri, 13 Apr 2018 06:29:39 +0000 (06:29 +0000)]
tofdm working with ldpc decoder
git-svn-id: https://svn.code.sf.net/p/freetel/code@3475
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drowe67 [Fri, 13 Apr 2018 06:28:07 +0000 (06:28 +0000)]
some LDPC frames decoding from ofdm_demod, need to do some cleanup
git-svn-id: https://svn.code.sf.net/p/freetel/code@3474
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drowe67 [Thu, 12 Apr 2018 23:13:33 +0000 (23:13 +0000)]
tweaked static EsNo
git-svn-id: https://svn.code.sf.net/p/freetel/code@3473
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drowe67 [Thu, 12 Apr 2018 23:12:25 +0000 (23:12 +0000)]
tofdm passing with Demod2D and Somap functions, good progress towards LDPC integration
git-svn-id: https://svn.code.sf.net/p/freetel/code@3472
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drowe67 [Thu, 12 Apr 2018 20:59:09 +0000 (20:59 +0000)]
ofdm_ldpc_tx & rx working with one interleaver frame, and UW sync, need to add EsNo est and better BER measurement
git-svn-id: https://svn.code.sf.net/p/freetel/code@3471
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drowe67 [Thu, 12 Apr 2018 09:44:56 +0000 (09:44 +0000)]
refactored Octave to get consistent variable names
git-svn-id: https://svn.code.sf.net/p/freetel/code@3470
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drowe67 [Thu, 12 Apr 2018 09:30:35 +0000 (09:30 +0000)]
refactored C to get consistent variable names
git-svn-id: https://svn.code.sf.net/p/freetel/code@3469
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drowe67 [Thu, 12 Apr 2018 07:09:55 +0000 (07:09 +0000)]
minor documentation change
git-svn-id: https://svn.code.sf.net/p/freetel/code@3468
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drowe67 [Thu, 12 Apr 2018 06:51:24 +0000 (06:51 +0000)]
tofdm passing again, after sourceforge issues
git-svn-id: https://svn.code.sf.net/p/freetel/code@3467
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drowe67 [Thu, 12 Apr 2018 02:42:24 +0000 (02:42 +0000)]
codec2-dev building again but may have broken some ofdm or dr_rs232 code, still testing
git-svn-id: https://svn.code.sf.net/p/freetel/code@3466
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drowe67 [Thu, 12 Apr 2018 01:50:37 +0000 (01:50 +0000)]
restoring from SF issue
git-svn-id: https://svn.code.sf.net/p/freetel/code@3465
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drowe67 [Wed, 11 Apr 2018 23:04:27 +0000 (23:04 +0000)]
octave script to plot modem states from ofdm_demod c program
git-svn-id: https://svn.code.sf.net/p/freetel/code@3464
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drowe67 [Wed, 11 Apr 2018 22:58:28 +0000 (22:58 +0000)]
restoring Octave files lost when SourceForge mysteriously backed up two days #4
git-svn-id: https://svn.code.sf.net/p/freetel/code@3463
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drowe67 [Wed, 11 Apr 2018 22:52:45 +0000 (22:52 +0000)]
restoring C files lost when SourceForge mysteriously backed up two days #3
git-svn-id: https://svn.code.sf.net/p/freetel/code@3462
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drowe67 [Wed, 11 Apr 2018 22:51:35 +0000 (22:51 +0000)]
restoring C files lost when SourceForge mysteriously backed up two days #2
git-svn-id: https://svn.code.sf.net/p/freetel/code@3461
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drowe67 [Wed, 11 Apr 2018 22:50:27 +0000 (22:50 +0000)]
restoring C files lost when SourceForge mysteriously backed up two days
git-svn-id: https://svn.code.sf.net/p/freetel/code@3460
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drowe67 [Mon, 9 Apr 2018 05:45:30 +0000 (05:45 +0000)]
ported ofdm sync state machine from Octave, still need to test and debug
git-svn-id: https://svn.code.sf.net/p/freetel/code@3459
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drowe67 [Mon, 9 Apr 2018 04:21:16 +0000 (04:21 +0000)]
added RF bandwidth
git-svn-id: https://svn.code.sf.net/p/freetel/code@3458
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drowe67 [Mon, 9 Apr 2018 04:13:14 +0000 (04:13 +0000)]
stole 4 bits from UW for txt channel, works OK wonce I tweaked the UW threshold
git-svn-id: https://svn.code.sf.net/p/freetel/code@3457
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drowe67 [Mon, 9 Apr 2018 02:50:03 +0000 (02:50 +0000)]
exposed CRC function so horus_api can use it
git-svn-id: https://svn.code.sf.net/p/freetel/code@3456
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drowe67 [Mon, 9 Apr 2018 02:49:00 +0000 (02:49 +0000)]
first pass at horus_demod, compiles OK but untested, need Cmake integration next
git-svn-id: https://svn.code.sf.net/p/freetel/code@3455
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drowe67 [Sun, 8 Apr 2018 21:32:27 +0000 (21:32 +0000)]
horus_api coded, compiles OK, but not tested
git-svn-id: https://svn.code.sf.net/p/freetel/code@3454
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drowe67 [Sun, 8 Apr 2018 03:22:06 +0000 (03:22 +0000)]
moved sync state machine into ofdm_lib function, ready for C port. Falling out of sync on some HF fades, cld possibly need tuning
git-svn-id: https://svn.code.sf.net/p/freetel/code@3453
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drowe67 [Sun, 8 Apr 2018 02:17:07 +0000 (02:17 +0000)]
updated specs
git-svn-id: https://svn.code.sf.net/p/freetel/code@3452
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drowe67 [Sun, 8 Apr 2018 00:55:12 +0000 (00:55 +0000)]
added refinement stage, now syncing up quckly at high an dlow SNRs
git-svn-id: https://svn.code.sf.net/p/freetel/code@3451
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drowe67 [Sun, 8 Apr 2018 00:48:53 +0000 (00:48 +0000)]
added a specs section
git-svn-id: https://svn.code.sf.net/p/freetel/code@3450
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drowe67 [Sat, 7 Apr 2018 22:10:04 +0000 (22:10 +0000)]
first pass at UW based sync - works really well, gives positive lock/false lock indication, hangs on at rated 9% BER at 0dB AWGN and 4dB HF
git-svn-id: https://svn.code.sf.net/p/freetel/code@3449
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