drowe67 [Sat, 29 Apr 2017 22:40:11 +0000 (22:40 +0000)]
split rate fs ofdm simulation into multiple files
git-svn-id: https://svn.code.sf.net/p/freetel/code@3111
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drowe67 [Sat, 29 Apr 2017 21:53:20 +0000 (21:53 +0000)]
linker mods to reduce file of sm1000 binary - thanks Steve
git-svn-id: https://svn.code.sf.net/p/freetel/code@3110
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drowe67 [Sat, 29 Apr 2017 00:06:41 +0000 (00:06 +0000)]
moved buffer shift inside ofdm_demod, default init of run time states
git-svn-id: https://svn.code.sf.net/p/freetel/code@3109
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drowe67 [Fri, 28 Apr 2017 01:02:38 +0000 (01:02 +0000)]
code for handling sample slips, tested with +/-500ppm clock offsets
git-svn-id: https://svn.code.sf.net/p/freetel/code@3108
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drowe67 [Thu, 27 Apr 2017 06:49:28 +0000 (06:49 +0000)]
cleaned up loop indexes
git-svn-id: https://svn.code.sf.net/p/freetel/code@3107
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drowe67 [Thu, 27 Apr 2017 06:48:14 +0000 (06:48 +0000)]
cleaned up loop indexes
git-svn-id: https://svn.code.sf.net/p/freetel/code@3106
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drowe67 [Thu, 27 Apr 2017 05:58:04 +0000 (05:58 +0000)]
moved demodulation to phase correction loop
git-svn-id: https://svn.code.sf.net/p/freetel/code@3105
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drowe67 [Thu, 27 Apr 2017 00:36:50 +0000 (00:36 +0000)]
cleaned up, next step put demod in function
git-svn-id: https://svn.code.sf.net/p/freetel/code@3104
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drowe67 [Wed, 26 Apr 2017 22:14:12 +0000 (22:14 +0000)]
fine timing and fine freq working on fixed buf
git-svn-id: https://svn.code.sf.net/p/freetel/code@3103
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drowe67 [Wed, 26 Apr 2017 09:03:34 +0000 (09:03 +0000)]
refactoring rx side - rx sym not working on fixed buf,HF results looking gd
git-svn-id: https://svn.code.sf.net/p/freetel/code@3102
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drowe67 [Sun, 23 Apr 2017 08:04:48 +0000 (08:04 +0000)]
starting to refactor rate Fs ofdm simulation, and changed name of rate fs and rate rs
git-svn-id: https://svn.code.sf.net/p/freetel/code@3101
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drowe67 [Thu, 20 Apr 2017 03:19:40 +0000 (03:19 +0000)]
fine timing getting gd results (almost no IL) with no sample clock errors, and acceptable results at +/-500 and +/-1000ppm
git-svn-id: https://svn.code.sf.net/p/freetel/code@3100
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drowe67 [Wed, 19 Apr 2017 21:27:03 +0000 (21:27 +0000)]
fine timing doing some sensible things, tracking timing as multipath changes, however BER still a little worse than fixed fine timing
git-svn-id: https://svn.code.sf.net/p/freetel/code@3099
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drowe67 [Wed, 19 Apr 2017 03:58:31 +0000 (03:58 +0000)]
progressing fine timing algorithm, added test based on small deviations from current timing est
git-svn-id: https://svn.code.sf.net/p/freetel/code@3098
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drowe67 [Sat, 15 Apr 2017 22:04:22 +0000 (22:04 +0000)]
timing and freq aquisition test
git-svn-id: https://svn.code.sf.net/p/freetel/code@3097
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drowe67 [Tue, 11 Apr 2017 00:32:09 +0000 (00:32 +0000)]
drawing curves
git-svn-id: https://svn.code.sf.net/p/freetel/code@3096
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drowe67 [Mon, 10 Apr 2017 22:51:01 +0000 (22:51 +0000)]
converted to QPSK
git-svn-id: https://svn.code.sf.net/p/freetel/code@3095
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drowe67 [Mon, 10 Apr 2017 21:40:32 +0000 (21:40 +0000)]
added BIll's ml_pd and comparedwith some curves
git-svn-id: https://svn.code.sf.net/p/freetel/code@3094
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drowe67 [Fri, 7 Apr 2017 04:47:30 +0000 (04:47 +0000)]
progressing rate Fs bpsk ofdm simulation
git-svn-id: https://svn.code.sf.net/p/freetel/code@3093
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hobbes1069 [Tue, 4 Apr 2017 20:42:22 +0000 (20:42 +0000)]
update pkgconfig template for codec2.
git-svn-id: https://svn.code.sf.net/p/freetel/code@3092
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drowe67 [Tue, 4 Apr 2017 19:42:00 +0000 (19:42 +0000)]
edited to support new cohpsk_mod API
git-svn-id: https://svn.code.sf.net/p/freetel/code@3091
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hobbes1069 [Tue, 4 Apr 2017 13:37:52 +0000 (13:37 +0000)]
Disable building GUI tools for wxWidgets since we don't need them.
git-svn-id: https://svn.code.sf.net/p/freetel/code@3090
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drowe67 [Tue, 4 Apr 2017 08:48:33 +0000 (08:48 +0000)]
generates figures of various options
git-svn-id: https://svn.code.sf.net/p/freetel/code@3089
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drowe67 [Tue, 4 Apr 2017 02:36:40 +0000 (02:36 +0000)]
refactored to gives constant run time for different pilot insertion rates
git-svn-id: https://svn.code.sf.net/p/freetel/code@3088
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drowe67 [Tue, 4 Apr 2017 01:19:25 +0000 (01:19 +0000)]
added modn stripping refinemeant and wider time window options
git-svn-id: https://svn.code.sf.net/p/freetel/code@3087
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drowe67 [Thu, 30 Mar 2017 20:09:46 +0000 (20:09 +0000)]
if-deffed out code not rqd for stm32 build
git-svn-id: https://svn.code.sf.net/p/freetel/code@3086
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drowe67 [Thu, 30 Mar 2017 04:40:35 +0000 (04:40 +0000)]
reasonable results with HF channel model, about 1dB IL on HF at 6dB Eb/No. Next step try interpolating or pilots from > 2 frames
git-svn-id: https://svn.code.sf.net/p/freetel/code@3085
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drowe67 [Wed, 29 Mar 2017 21:19:54 +0000 (21:19 +0000)]
first pass at pilot based phase estimation averaged over three carriers
git-svn-id: https://svn.code.sf.net/p/freetel/code@3084
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drowe67 [Fri, 24 Mar 2017 03:05:29 +0000 (03:05 +0000)]
can now simulate avergaing three carriers, about to speed up for longer tests
git-svn-id: https://svn.code.sf.net/p/freetel/code@3083
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drowe67 [Thu, 23 Mar 2017 23:25:33 +0000 (23:25 +0000)]
baseline rate Rs BPSK AWGN simulation, about to add HF
git-svn-id: https://svn.code.sf.net/p/freetel/code@3082
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drowe67 [Thu, 23 Mar 2017 06:47:58 +0000 (06:47 +0000)]
working on handling phase est ambiguity neat +/- pi/2
git-svn-id: https://svn.code.sf.net/p/freetel/code@3081
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drowe67 [Tue, 21 Mar 2017 23:45:28 +0000 (23:45 +0000)]
added worksheet for new BPSK waveform, nice results on paper
git-svn-id: https://svn.code.sf.net/p/freetel/code@3080
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drowe67 [Tue, 21 Mar 2017 23:43:05 +0000 (23:43 +0000)]
building up simulation to inlude phase and frequency offsets
git-svn-id: https://svn.code.sf.net/p/freetel/code@3079
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drowe67 [Tue, 21 Mar 2017 09:59:18 +0000 (09:59 +0000)]
bpsk simulation with ML dbpsk and mod stripping phase est
git-svn-id: https://svn.code.sf.net/p/freetel/code@3078
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drowe67 [Mon, 20 Mar 2017 19:30:13 +0000 (19:30 +0000)]
updated command line examples
git-svn-id: https://svn.code.sf.net/p/freetel/code@3077
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drowe67 [Sun, 19 Mar 2017 23:24:16 +0000 (23:24 +0000)]
better support for multiple LDPC codes
git-svn-id: https://svn.code.sf.net/p/freetel/code@3076
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drowe67 [Sun, 19 Mar 2017 23:23:30 +0000 (23:23 +0000)]
soft dec output, ready for LDPC dec
git-svn-id: https://svn.code.sf.net/p/freetel/code@3075
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hobbes1069 [Sun, 19 Mar 2017 21:44:50 +0000 (21:44 +0000)]
Clean up how SVN revision works.
git-svn-id: https://svn.code.sf.net/p/freetel/code@3074
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hobbes1069 [Sun, 19 Mar 2017 21:28:58 +0000 (21:28 +0000)]
README cleanup, still needs some work.
git-svn-id: https://svn.code.sf.net/p/freetel/code@3073
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drowe67 [Sun, 19 Mar 2017 09:45:36 +0000 (09:45 +0000)]
ldpc_dec modified to read in half frames and perform FEC frame sync, cohpsk and unit tests modified to work with non-diversity, next step verify cohpsk with AWGN and test on cmd line with LDPC decoder
git-svn-id: https://svn.code.sf.net/p/freetel/code@3072
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drowe67 [Sun, 19 Mar 2017 00:06:09 +0000 (00:06 +0000)]
112 LDPC code support in LDPC unit tests
git-svn-id: https://svn.code.sf.net/p/freetel/code@3071
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drowe67 [Sat, 18 Mar 2017 21:21:11 +0000 (21:21 +0000)]
traps wrong CML path
git-svn-id: https://svn.code.sf.net/p/freetel/code@3070
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drowe67 [Sat, 18 Mar 2017 06:30:11 +0000 (06:30 +0000)]
typo in header
git-svn-id: https://svn.code.sf.net/p/freetel/code@3069
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drowe67 [Sat, 18 Mar 2017 06:11:45 +0000 (06:11 +0000)]
break LDPC code->headerfile func out of ldpc_fsk_lib.m
git-svn-id: https://svn.code.sf.net/p/freetel/code@3068
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drowe67 [Sat, 18 Mar 2017 02:20:44 +0000 (02:20 +0000)]
better plot output, but not satisfied by fuzzy ouput of eps->png conversion
git-svn-id: https://svn.code.sf.net/p/freetel/code@3067
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drowe67 [Thu, 16 Mar 2017 07:23:18 +0000 (07:23 +0000)]
added hf/multipath model, and diversity results
git-svn-id: https://svn.code.sf.net/p/freetel/code@3066
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drowe67 [Thu, 16 Mar 2017 05:16:04 +0000 (05:16 +0000)]
modified plots for blog post
git-svn-id: https://svn.code.sf.net/p/freetel/code@3065
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drowe67 [Thu, 16 Mar 2017 02:57:19 +0000 (02:57 +0000)]
first pass a AWGN perf curves for Bill's short codes
git-svn-id: https://svn.code.sf.net/p/freetel/code@3064
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drowe67 [Thu, 16 Mar 2017 00:49:40 +0000 (00:49 +0000)]
fix some warnings, remove unused ancient unittests
git-svn-id: https://svn.code.sf.net/p/freetel/code@3063
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drowe67 [Thu, 16 Mar 2017 00:49:14 +0000 (00:49 +0000)]
fix some warnings
git-svn-id: https://svn.code.sf.net/p/freetel/code@3062
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drowe67 [Thu, 16 Mar 2017 00:22:49 +0000 (00:22 +0000)]
removed some unused old codebook files
git-svn-id: https://svn.code.sf.net/p/freetel/code@3061
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drowe67 [Wed, 15 Mar 2017 10:43:41 +0000 (10:43 +0000)]
short LPDC codes
git-svn-id: https://svn.code.sf.net/p/freetel/code@3060
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drowe67 [Wed, 15 Mar 2017 05:22:52 +0000 (05:22 +0000)]
simulation to plot error curves for BIll VK5DSP's short LDPC codes
git-svn-id: https://svn.code.sf.net/p/freetel/code@3059
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hobbes1069 [Mon, 13 Mar 2017 17:50:30 +0000 (17:50 +0000)]
Add libsamplerate as a cmake dependency for codec2.
git-svn-id: https://svn.code.sf.net/p/freetel/code@3058
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hobbes1069 [Tue, 7 Mar 2017 22:25:39 +0000 (22:25 +0000)]
Updates to support OSX.
git-svn-id: https://svn.code.sf.net/p/freetel/code@3057
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drowe67 [Sun, 5 Mar 2017 09:14:14 +0000 (09:14 +0000)]
first pass at option to introduce interfering carrier
git-svn-id: https://svn.code.sf.net/p/freetel/code@3056
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drowe67 [Thu, 2 Mar 2017 04:31:39 +0000 (04:31 +0000)]
re-enabled unittest building in Cmake & fixed C99 build issue
git-svn-id: https://svn.code.sf.net/p/freetel/code@3055
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drowe67 [Sat, 25 Feb 2017 08:35:58 +0000 (08:35 +0000)]
added resyncs counter
git-svn-id: https://svn.code.sf.net/p/freetel/code@3054
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drowe67 [Fri, 24 Feb 2017 23:37:33 +0000 (23:37 +0000)]
tweaks to fix C99 issues
git-svn-id: https://svn.code.sf.net/p/freetel/code@3053
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hobbes1069 [Fri, 24 Feb 2017 15:12:08 +0000 (15:12 +0000)]
Update C standard flag logic as gnu99 is the minimum required.
git-svn-id: https://svn.code.sf.net/p/freetel/code@3052
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drowe67 [Fri, 24 Feb 2017 04:44:56 +0000 (04:44 +0000)]
added FreeDV GUI support for attenuating one carrier, tested OK, and mapping of carriers to bit error plots and histograms checkes out
git-svn-id: https://svn.code.sf.net/p/freetel/code@3051
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drowe67 [Fri, 24 Feb 2017 04:44:24 +0000 (04:44 +0000)]
cohpsk and freedv API support for attenuating once carrier for 700C test purposes
git-svn-id: https://svn.code.sf.net/p/freetel/code@3050
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drowe67 [Thu, 23 Feb 2017 03:51:22 +0000 (03:51 +0000)]
1600 test frame hitsogram working again
git-svn-id: https://svn.code.sf.net/p/freetel/code@3049
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drowe67 [Thu, 23 Feb 2017 03:36:56 +0000 (03:36 +0000)]
GUI support for bit error plot/historam before diversity combination, working OK on test using alsa loopback, part of 700C instrumentation
git-svn-id: https://svn.code.sf.net/p/freetel/code@3048
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drowe67 [Thu, 23 Feb 2017 03:35:46 +0000 (03:35 +0000)]
added support for measuring bit errors before diversity combination, part of 700C instrumentation
git-svn-id: https://svn.code.sf.net/p/freetel/code@3047
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drowe67 [Wed, 22 Feb 2017 04:06:52 +0000 (04:06 +0000)]
improved formatting of bit mapping table
git-svn-id: https://svn.code.sf.net/p/freetel/code@3046
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baobrien [Wed, 22 Feb 2017 02:23:28 +0000 (02:23 +0000)]
Updated frame design slightly for TDMA
git-svn-id: https://svn.code.sf.net/p/freetel/code@3045
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drowe67 [Tue, 21 Feb 2017 21:33:15 +0000 (21:33 +0000)]
cleaned up README a bit, added alsa loopback instructions
git-svn-id: https://svn.code.sf.net/p/freetel/code@3044
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drowe67 [Tue, 21 Feb 2017 21:32:41 +0000 (21:32 +0000)]
added log graticule and scale, histograms testing out well
git-svn-id: https://svn.code.sf.net/p/freetel/code@3043
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baobrien [Tue, 21 Feb 2017 02:54:48 +0000 (02:54 +0000)]
A bit more work on the TDMA header and notes
git-svn-id: https://svn.code.sf.net/p/freetel/code@3042
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drowe67 [Tue, 21 Feb 2017 02:44:40 +0000 (02:44 +0000)]
starting to instrument to further develop 700C. Added SNR field to channel settings, bar graphs for bit error counting on test frames, option to view 700C scatter before diversity combination, immediate switching of several options rather than when apply pressed
git-svn-id: https://svn.code.sf.net/p/freetel/code@3041
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baobrien [Tue, 21 Feb 2017 01:45:01 +0000 (01:45 +0000)]
A bit more work on the TDMA header
git-svn-id: https://svn.code.sf.net/p/freetel/code@3040
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drowe67 [Sat, 18 Feb 2017 05:36:01 +0000 (05:36 +0000)]
discovered BER measurement using pilots can't work as pilots get rotated away from axis, so rolling back to previous working versions
git-svn-id: https://svn.code.sf.net/p/freetel/code@3039
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drowe67 [Fri, 17 Feb 2017 19:38:37 +0000 (19:38 +0000)]
measuring BER from pilots in Octave OK
git-svn-id: https://svn.code.sf.net/p/freetel/code@3038
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drowe67 [Fri, 17 Feb 2017 06:42:31 +0000 (06:42 +0000)]
started adding support for measuring BER from pilots, just added phase correction for pilots and nothing broke
git-svn-id: https://svn.code.sf.net/p/freetel/code@3037
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hobbes1069 [Wed, 15 Feb 2017 02:12:19 +0000 (02:12 +0000)]
Commit branch and tag of FreeDV 1.2
git-svn-id: https://svn.code.sf.net/p/freetel/code@3036
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hobbes1069 [Wed, 15 Feb 2017 02:10:02 +0000 (02:10 +0000)]
Branch and tag codec2 0.6
git-svn-id: https://svn.code.sf.net/p/freetel/code@3035
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hobbes1069 [Tue, 14 Feb 2017 16:37:33 +0000 (16:37 +0000)]
Updated method of detecting dependencies for MinGW builds.
git-svn-id: https://svn.code.sf.net/p/freetel/code@3034
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drowe67 [Tue, 14 Feb 2017 01:39:09 +0000 (01:39 +0000)]
clean up help
git-svn-id: https://svn.code.sf.net/p/freetel/code@3033
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drowe67 [Tue, 14 Feb 2017 01:26:58 +0000 (01:26 +0000)]
hackrf test util
git-svn-id: https://svn.code.sf.net/p/freetel/code@3032
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drowe67 [Tue, 14 Feb 2017 01:25:37 +0000 (01:25 +0000)]
hackrf testing util
git-svn-id: https://svn.code.sf.net/p/freetel/code@3031
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drowe67 [Mon, 13 Feb 2017 07:01:10 +0000 (07:01 +0000)]
all curves up to HF working, about to change from 1 sample per symbol to M samples/symbol for diversity
git-svn-id: https://svn.code.sf.net/p/freetel/code@3030
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drowe67 [Fri, 10 Feb 2017 07:02:54 +0000 (07:02 +0000)]
initial checkin, QPSK theory and experimental
git-svn-id: https://svn.code.sf.net/p/freetel/code@3029
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drowe67 [Thu, 9 Feb 2017 05:45:43 +0000 (05:45 +0000)]
used to generate figures for HF modem design blog post
git-svn-id: https://svn.code.sf.net/p/freetel/code@3028
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hobbes1069 [Wed, 8 Feb 2017 21:15:36 +0000 (21:15 +0000)]
Add logic for older gcc in RHEL 6 which doesn't understand -std=gnu11.
git-svn-id: https://svn.code.sf.net/p/freetel/code@3027
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drowe67 [Tue, 7 Feb 2017 05:51:54 +0000 (05:51 +0000)]
make update rate of spectrum and waterfall indep of mode, thanks Tony for help in discovering this one
git-svn-id: https://svn.code.sf.net/p/freetel/code@3026
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drowe67 [Tue, 7 Feb 2017 05:32:28 +0000 (05:32 +0000)]
removed some warnings gcc 6 picked up
git-svn-id: https://svn.code.sf.net/p/freetel/code@3025
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drowe67 [Tue, 7 Feb 2017 05:13:55 +0000 (05:13 +0000)]
removed unsed code that was generating warnings
git-svn-id: https://svn.code.sf.net/p/freetel/code@3024
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drowe67 [Tue, 7 Feb 2017 04:36:55 +0000 (04:36 +0000)]
fixed occasional seg fault bug when 800XA starts due to test frames not being supported/inited
git-svn-id: https://svn.code.sf.net/p/freetel/code@3023
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drowe67 [Tue, 7 Feb 2017 04:36:38 +0000 (04:36 +0000)]
fixed occasional seg fault bug when 800XA starts due to test frames not being supported/inited
git-svn-id: https://svn.code.sf.net/p/freetel/code@3022
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drowe67 [Tue, 7 Feb 2017 04:05:38 +0000 (04:05 +0000)]
another go at squench for 800XA
git-svn-id: https://svn.code.sf.net/p/freetel/code@3021
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hobbes1069 [Mon, 6 Feb 2017 16:43:00 +0000 (16:43 +0000)]
Remove conditional around build type for whether dev tools should be built or not. Removes dependency on speex for non-dev builds.
git-svn-id: https://svn.code.sf.net/p/freetel/code@3020
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drowe67 [Mon, 6 Feb 2017 08:50:47 +0000 (08:50 +0000)]
modified 1600 so it doesn't alter amplitude of the demod input vector, to allow pass thru when not squelched, makes local copy now
git-svn-id: https://svn.code.sf.net/p/freetel/code@3019
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drowe67 [Mon, 6 Feb 2017 08:41:27 +0000 (08:41 +0000)]
instructions for building without sox
git-svn-id: https://svn.code.sf.net/p/freetel/code@3018
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drowe67 [Fri, 3 Feb 2017 23:31:01 +0000 (23:31 +0000)]
fixed calculation of RF bandwidth thanks Steve
git-svn-id: https://svn.code.sf.net/p/freetel/code@3017
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drowe67 [Fri, 3 Feb 2017 21:16:37 +0000 (21:16 +0000)]
correct incldue file
git-svn-id: https://svn.code.sf.net/p/freetel/code@3016
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drowe67 [Fri, 3 Feb 2017 21:15:26 +0000 (21:15 +0000)]
updated BER reporting
git-svn-id: https://svn.code.sf.net/p/freetel/code@3015
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drowe67 [Fri, 3 Feb 2017 10:42:53 +0000 (10:42 +0000)]
CMA FSK equaliser simulation
git-svn-id: https://svn.code.sf.net/p/freetel/code@3014
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drowe67 [Thu, 2 Feb 2017 03:16:00 +0000 (03:16 +0000)]
changed click to tune to double click to prevent accidental freq shifts
git-svn-id: https://svn.code.sf.net/p/freetel/code@3013
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drowe67 [Tue, 31 Jan 2017 10:18:53 +0000 (10:18 +0000)]
converted eb/no to snt est and added squelch to 800xa
git-svn-id: https://svn.code.sf.net/p/freetel/code@3012
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