rickb44 [Fri, 11 Dec 2015 20:41:14 +0000 (20:41 +0000)]
Delete old L1-L4 PDF
git-svn-id: https://svn.code.sf.net/p/freetel/code@2517
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rickb44 [Fri, 11 Dec 2015 20:23:27 +0000 (20:23 +0000)]
removed GNDs from SW1 & SW3 mounting tabs
git-svn-id: https://svn.code.sf.net/p/freetel/code@2516
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drowe67 [Fri, 11 Dec 2015 07:59:34 +0000 (07:59 +0000)]
receiving freedv signals OK, triggering on txt strings
git-svn-id: https://svn.code.sf.net/p/freetel/code@2515
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drowe67 [Fri, 11 Dec 2015 06:07:50 +0000 (06:07 +0000)]
Initial import of freebeacon daemon
git-svn-id: https://svn.code.sf.net/p/freetel/code@2514
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drowe67 [Fri, 11 Dec 2015 03:14:10 +0000 (03:14 +0000)]
trivial change to test svn
git-svn-id: https://svn.code.sf.net/p/freetel/code@2513
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rickb44 [Fri, 11 Dec 2015 03:07:48 +0000 (03:07 +0000)]
test - removed resistor from schematic
git-svn-id: https://svn.code.sf.net/p/freetel/code@2512
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rickb44 [Fri, 11 Dec 2015 02:16:20 +0000 (02:16 +0000)]
git-svn-id: https://svn.code.sf.net/p/freetel/code@2511
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drowe67 [Fri, 11 Dec 2015 01:18:55 +0000 (01:18 +0000)]
test change from windows command line tools
git-svn-id: https://svn.code.sf.net/p/freetel/code@2510
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rickb44 [Thu, 10 Dec 2015 22:00:12 +0000 (22:00 +0000)]
Update schematic & PCB RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@2509
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rickb44 [Thu, 10 Dec 2015 21:37:19 +0000 (21:37 +0000)]
Update SVN CAd directory with agle FIles RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@2508
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rickb44 [Thu, 10 Dec 2015 21:23:53 +0000 (21:23 +0000)]
Moved files to CAD RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@2507
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rickb44 [Thu, 10 Dec 2015 21:20:29 +0000 (21:20 +0000)]
Create CAD folder to hold Eagle files RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@2506
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rickb44 [Thu, 10 Dec 2015 21:18:28 +0000 (21:18 +0000)]
Porblem wint win7/win10 RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@2505
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rickb44 [Thu, 10 Dec 2015 21:16:31 +0000 (21:16 +0000)]
Rename PCB to CAD to reflect contents. RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@2504
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rickb44 [Thu, 10 Dec 2015 21:12:53 +0000 (21:12 +0000)]
Add CAD files to SVN RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@2503
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rickb44 [Thu, 10 Dec 2015 21:04:32 +0000 (21:04 +0000)]
Create new folder for CAD files RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@2502
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rickb44 [Thu, 10 Dec 2015 21:04:03 +0000 (21:04 +0000)]
Create new folder for part specifications RGB
git-svn-id: https://svn.code.sf.net/p/freetel/code@2501
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drowe67 [Wed, 9 Dec 2015 05:49:37 +0000 (05:49 +0000)]
updated task list and block diagram
git-svn-id: https://svn.code.sf.net/p/freetel/code@2500
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drowe67 [Thu, 3 Dec 2015 02:51:44 +0000 (02:51 +0000)]
calcs for bfq19 100mW amp
git-svn-id: https://svn.code.sf.net/p/freetel/code@2499
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drowe67 [Tue, 1 Dec 2015 22:23:50 +0000 (22:23 +0000)]
scripts for VHf PA
git-svn-id: https://svn.code.sf.net/p/freetel/code@2498
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drowe67 [Mon, 30 Nov 2015 04:21:50 +0000 (04:21 +0000)]
version 2 that does 10dBm
git-svn-id: https://svn.code.sf.net/p/freetel/code@2497
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drowe67 [Sun, 29 Nov 2015 06:16:11 +0000 (06:16 +0000)]
prints out a few more design params
git-svn-id: https://svn.code.sf.net/p/freetel/code@2496
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drowe67 [Sat, 28 Nov 2015 23:57:05 +0000 (23:57 +0000)]
first pass at designing RF anps with S params
git-svn-id: https://svn.code.sf.net/p/freetel/code@2495
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drowe67 [Sun, 22 Nov 2015 21:02:41 +0000 (21:02 +0000)]
re-arranged mode checking code in codec2_create, thanks Alex
git-svn-id: https://svn.code.sf.net/p/freetel/code@2494
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drowe67 [Thu, 19 Nov 2015 20:58:38 +0000 (20:58 +0000)]
create returns NULL with invalid mode
git-svn-id: https://svn.code.sf.net/p/freetel/code@2493
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drowe67 [Wed, 18 Nov 2015 20:12:41 +0000 (20:12 +0000)]
updated radio block diagram and added NF/gain spreadsheet
git-svn-id: https://svn.code.sf.net/p/freetel/code@2492
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drowe67 [Sun, 15 Nov 2015 22:06:19 +0000 (22:06 +0000)]
new formulation looking good, but would like to try sample by sample approach to get better processing gain formodulated signals
git-svn-id: https://svn.code.sf.net/p/freetel/code@2491
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baobrien [Wed, 11 Nov 2015 03:45:30 +0000 (03:45 +0000)]
A little clean up of ya_fsk
git-svn-id: https://svn.code.sf.net/p/freetel/code@2490
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drowe67 [Tue, 10 Nov 2015 20:50:32 +0000 (20:50 +0000)]
tools for testing SM2000 prototype
git-svn-id: https://svn.code.sf.net/p/freetel/code@2489
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baobrien [Tue, 10 Nov 2015 06:02:12 +0000 (06:02 +0000)]
Fine timing est in yafsk sort of works for the 2400bps modem
git-svn-id: https://svn.code.sf.net/p/freetel/code@2488
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drowe67 [Sun, 8 Nov 2015 03:58:30 +0000 (03:58 +0000)]
mods to fsk_horus to support higher bit rates, up conversion script for feeding hackrf samples
git-svn-id: https://svn.code.sf.net/p/freetel/code@2487
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drowe67 [Sat, 7 Nov 2015 01:59:55 +0000 (01:59 +0000)]
user-defined Fs and broke out functions for BER counting, and file demod can now work with test frames and count BER
git-svn-id: https://svn.code.sf.net/p/freetel/code@2486
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baobrien [Fri, 6 Nov 2015 23:22:47 +0000 (23:22 +0000)]
fine timing work done on ya_fsk
git-svn-id: https://svn.code.sf.net/p/freetel/code@2485
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drowe67 [Fri, 6 Nov 2015 23:02:44 +0000 (23:02 +0000)]
sampling at Fs=96kHz OK, ADC driver now supports different sample rates
git-svn-id: https://svn.code.sf.net/p/freetel/code@2484
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drowe67 [Fri, 6 Nov 2015 06:06:51 +0000 (06:06 +0000)]
first pass as USB recording working at Fs=16 kHz
git-svn-id: https://svn.code.sf.net/p/freetel/code@2483
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drowe67 [Fri, 6 Nov 2015 04:05:57 +0000 (04:05 +0000)]
building in stm32 works again
git-svn-id: https://svn.code.sf.net/p/freetel/code@2482
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drowe67 [Fri, 6 Nov 2015 01:15:40 +0000 (01:15 +0000)]
merged Stuarts latest, compiles OK, haven't tested
git-svn-id: https://svn.code.sf.net/p/freetel/code@2481
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drowe67 [Thu, 5 Nov 2015 21:44:32 +0000 (21:44 +0000)]
changed buffer size for faster USB transfers
git-svn-id: https://svn.code.sf.net/p/freetel/code@2480
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drowe67 [Thu, 5 Nov 2015 04:11:11 +0000 (04:11 +0000)]
building up DF simulation
git-svn-id: https://svn.code.sf.net/p/freetel/code@2479
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drowe67 [Wed, 4 Nov 2015 19:47:02 +0000 (19:47 +0000)]
testing timing
git-svn-id: https://svn.code.sf.net/p/freetel/code@2478
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drowe67 [Wed, 28 Oct 2015 20:11:01 +0000 (20:11 +0000)]
latest notes
git-svn-id: https://svn.code.sf.net/p/freetel/code@2477
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baobrien [Mon, 26 Oct 2015 03:34:25 +0000 (03:34 +0000)]
More work on FSK to be ported to C. Now has sample-loop demod
git-svn-id: https://svn.code.sf.net/p/freetel/code@2476
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baobrien [Sun, 25 Oct 2015 03:45:03 +0000 (03:45 +0000)]
Started model FSK to be ported to C
git-svn-id: https://svn.code.sf.net/p/freetel/code@2475
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sjlongland [Sat, 24 Oct 2015 23:13:18 +0000 (23:13 +0000)]
sm1000_main: Use !pressed rather than released.
We could miss a release event as it is one-shot, whereas !pressed is
constant.
git-svn-id: https://svn.code.sf.net/p/freetel/code@2474
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sjlongland [Sat, 24 Oct 2015 23:13:16 +0000 (23:13 +0000)]
sm1000_main: Clamp warn period to time-out period.
git-svn-id: https://svn.code.sf.net/p/freetel/code@2473
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sjlongland [Sat, 24 Oct 2015 23:13:13 +0000 (23:13 +0000)]
sm1000_main: Announce warn period not timeout period.
git-svn-id: https://svn.code.sf.net/p/freetel/code@2472
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sjlongland [Sat, 24 Oct 2015 23:13:10 +0000 (23:13 +0000)]
sm1000_main: Clean up main loop state machine.
Rather than testing the switch states in multiple places, we test in one
place and then act based on the state of the state machine rather than
the switches directly.
git-svn-id: https://svn.code.sf.net/p/freetel/code@2471
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sjlongland [Sat, 24 Oct 2015 23:13:07 +0000 (23:13 +0000)]
sm1000_main: Re-calibrate SysTick timer
Not sure why, but SysTick was being calibrated with a period equal to
the core frequency divided by 168000.
Apparently this was supposed to give millisecond ticks. SystemCoreClock
gives the frequency of the core clock, and if you supply this value to
SysTick_Config, you get a 1 second tick timer.
Dividing this by 1000 seems to give much better timing results. The
time-out timer almost works now.
git-svn-id: https://svn.code.sf.net/p/freetel/code@2470
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baobrien [Fri, 23 Oct 2015 17:06:26 +0000 (17:06 +0000)]
better comments in mrd4 encoder
git-svn-id: https://svn.code.sf.net/p/freetel/code@2469
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baobrien [Fri, 23 Oct 2015 16:57:05 +0000 (16:57 +0000)]
Added mrd4 encoder
git-svn-id: https://svn.code.sf.net/p/freetel/code@2468
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drowe67 [Fri, 23 Oct 2015 05:14:10 +0000 (05:14 +0000)]
added soem more notes and iterated radio block diagram
git-svn-id: https://svn.code.sf.net/p/freetel/code@2467
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baobrien [Fri, 23 Oct 2015 00:45:32 +0000 (00:45 +0000)]
added note to sm2000 todo list
git-svn-id: https://svn.code.sf.net/p/freetel/code@2466
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drowe67 [Thu, 22 Oct 2015 08:56:19 +0000 (08:56 +0000)]
initial sm2000 repo
git-svn-id: https://svn.code.sf.net/p/freetel/code@2465
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drowe67 [Thu, 22 Oct 2015 08:55:42 +0000 (08:55 +0000)]
oops, undo previous mv
git-svn-id: https://svn.code.sf.net/p/freetel/code@2464
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drowe67 [Thu, 22 Oct 2015 08:54:17 +0000 (08:54 +0000)]
Setting Up SM2000 repo
git-svn-id: https://svn.code.sf.net/p/freetel/code@2463
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drowe67 [Thu, 22 Oct 2015 08:52:38 +0000 (08:52 +0000)]
initial sm2000 checkin
git-svn-id: https://svn.code.sf.net/p/freetel/code@2462
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baobrien [Wed, 21 Oct 2015 01:48:32 +0000 (01:48 +0000)]
Corrected dumb mistake in fsk4 bit-symbol mapping
git-svn-id: https://svn.code.sf.net/p/freetel/code@2461
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baobrien [Wed, 21 Oct 2015 00:53:56 +0000 (00:53 +0000)]
FSK4 symbol demapping improved by un-doing my other improvement
git-svn-id: https://svn.code.sf.net/p/freetel/code@2460
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drowe67 [Tue, 20 Oct 2015 22:20:52 +0000 (22:20 +0000)]
all combos working and script to run thru them, plus comments
git-svn-id: https://svn.code.sf.net/p/freetel/code@2459
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drowe67 [Tue, 20 Oct 2015 08:44:47 +0000 (08:44 +0000)]
starting to get sensible results for 4FSK, still early days
git-svn-id: https://svn.code.sf.net/p/freetel/code@2458
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baobrien [Tue, 20 Oct 2015 00:06:54 +0000 (00:06 +0000)]
further fsk4 modularization
git-svn-id: https://svn.code.sf.net/p/freetel/code@2457
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baobrien [Mon, 19 Oct 2015 22:34:22 +0000 (22:34 +0000)]
fsk4 clean up and modularization
git-svn-id: https://svn.code.sf.net/p/freetel/code@2456
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baobrien [Mon, 19 Oct 2015 21:27:00 +0000 (21:27 +0000)]
Further fsk4 work
git-svn-id: https://svn.code.sf.net/p/freetel/code@2455
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drowe67 [Mon, 19 Oct 2015 19:29:46 +0000 (19:29 +0000)]
added a few notes and some questions
git-svn-id: https://svn.code.sf.net/p/freetel/code@2454
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drowe67 [Mon, 19 Oct 2015 07:37:34 +0000 (07:37 +0000)]
ideal mFSK sim for m=4 working and getting sensible results
git-svn-id: https://svn.code.sf.net/p/freetel/code@2453
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drowe67 [Mon, 19 Oct 2015 00:06:12 +0000 (00:06 +0000)]
two modems running, 4.7dB between them
git-svn-id: https://svn.code.sf.net/p/freetel/code@2452
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drowe67 [Sat, 17 Oct 2015 04:02:48 +0000 (04:02 +0000)]
initial BER results for manchester encoded modem, looking gd
git-svn-id: https://svn.code.sf.net/p/freetel/code@2451
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drowe67 [Fri, 16 Oct 2015 07:17:20 +0000 (07:17 +0000)]
notes and tweak to bit flipping
git-svn-id: https://svn.code.sf.net/p/freetel/code@2450
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drowe67 [Fri, 16 Oct 2015 03:10:48 +0000 (03:10 +0000)]
exploring waveforms that can pass through legacy radios
git-svn-id: https://svn.code.sf.net/p/freetel/code@2449
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drowe67 [Thu, 15 Oct 2015 22:14:07 +0000 (22:14 +0000)]
fixed bug in SD error flipping on streaming version
git-svn-id: https://svn.code.sf.net/p/freetel/code@2448
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drowe67 [Thu, 15 Oct 2015 21:26:48 +0000 (21:26 +0000)]
SD error flipping working on streaming version
git-svn-id: https://svn.code.sf.net/p/freetel/code@2447
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drowe67 [Thu, 15 Oct 2015 20:36:55 +0000 (20:36 +0000)]
first pass at error correction using bit slipping of weakest bits
git-svn-id: https://svn.code.sf.net/p/freetel/code@2446
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drowe67 [Thu, 15 Oct 2015 07:30:19 +0000 (07:30 +0000)]
protect against boundary condition
git-svn-id: https://svn.code.sf.net/p/freetel/code@2445
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drowe67 [Thu, 15 Oct 2015 05:00:47 +0000 (05:00 +0000)]
first pass at writing to log file and telling foxtrotgps to plot track
git-svn-id: https://svn.code.sf.net/p/freetel/code@2444
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drowe67 [Thu, 15 Oct 2015 03:32:43 +0000 (03:32 +0000)]
fixed phase discontnuity in simulated fsk tx
git-svn-id: https://svn.code.sf.net/p/freetel/code@2443
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drowe67 [Thu, 15 Oct 2015 02:25:00 +0000 (02:25 +0000)]
fixed phase discontnuity in simulated fsk tx
git-svn-id: https://svn.code.sf.net/p/freetel/code@2442
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drowe67 [Thu, 15 Oct 2015 02:05:56 +0000 (02:05 +0000)]
some refactoring of ascii processing functions
git-svn-id: https://svn.code.sf.net/p/freetel/code@2441
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drowe67 [Wed, 14 Oct 2015 01:53:47 +0000 (01:53 +0000)]
added clock offset ppm measurement software
git-svn-id: https://svn.code.sf.net/p/freetel/code@2440
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baobrien [Tue, 13 Oct 2015 17:49:19 +0000 (17:49 +0000)]
A little work towards FSK4 fine timing estimation
git-svn-id: https://svn.code.sf.net/p/freetel/code@2439
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drowe67 [Tue, 13 Oct 2015 09:23:58 +0000 (09:23 +0000)]
Eb/No and SNR measurement on streaming version
git-svn-id: https://svn.code.sf.net/p/freetel/code@2438
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drowe67 [Tue, 13 Oct 2015 09:13:36 +0000 (09:13 +0000)]
another go at Eb/No estimation
git-svn-id: https://svn.code.sf.net/p/freetel/code@2437
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drowe67 [Tue, 13 Oct 2015 07:37:17 +0000 (07:37 +0000)]
file input example
git-svn-id: https://svn.code.sf.net/p/freetel/code@2436
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drowe67 [Tue, 13 Oct 2015 07:36:30 +0000 (07:36 +0000)]
added Eb/No estimate
git-svn-id: https://svn.code.sf.net/p/freetel/code@2435
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drowe67 [Tue, 13 Oct 2015 05:04:44 +0000 (05:04 +0000)]
streaming working OK, some run time diagnostics
git-svn-id: https://svn.code.sf.net/p/freetel/code@2434
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drowe67 [Tue, 13 Oct 2015 02:23:15 +0000 (02:23 +0000)]
first pass at streaming version, works oK from stroed file
git-svn-id: https://svn.code.sf.net/p/freetel/code@2433
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drowe67 [Tue, 13 Oct 2015 01:45:57 +0000 (01:45 +0000)]
fading and freq drift model working OK
git-svn-id: https://svn.code.sf.net/p/freetel/code@2432
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drowe67 [Mon, 12 Oct 2015 08:27:20 +0000 (08:27 +0000)]
decoding multiple packets
git-svn-id: https://svn.code.sf.net/p/freetel/code@2431
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drowe67 [Mon, 12 Oct 2015 03:41:03 +0000 (03:41 +0000)]
first packet from Horus payload demodulated and printed out yayyy
git-svn-id: https://svn.code.sf.net/p/freetel/code@2430
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drowe67 [Mon, 12 Oct 2015 00:00:10 +0000 (00:00 +0000)]
fine timing OK at +/- 1000pm Eb/No=10dB, getting bits from baloon signal OK, now for frame sync
git-svn-id: https://svn.code.sf.net/p/freetel/code@2429
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drowe67 [Sun, 11 Oct 2015 23:22:05 +0000 (23:22 +0000)]
some more work on fine timing
git-svn-id: https://svn.code.sf.net/p/freetel/code@2428
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drowe67 [Sun, 11 Oct 2015 00:24:26 +0000 (00:24 +0000)]
fine timing estimate hanging on for a range of static timing offsets
git-svn-id: https://svn.code.sf.net/p/freetel/code@2427
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baobrien [Sat, 10 Oct 2015 18:08:24 +0000 (18:08 +0000)]
A little improvement to 4FSK symbol resolution
git-svn-id: https://svn.code.sf.net/p/freetel/code@2426
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sjlongland [Tue, 6 Oct 2015 10:03:57 +0000 (10:03 +0000)]
sm1000_main: First stab at a time-out timer.
This needs calibration, but basically it cuts transmission after a fixed
period, giving warning beeps in the time just prior to timeout.
For now it is disabled by default, and the timing for now is way off.
git-svn-id: https://svn.code.sf.net/p/freetel/code@2425
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sjlongland [Tue, 6 Oct 2015 10:03:55 +0000 (10:03 +0000)]
sounds: Add a tune to play for when the time-out is reached.
git-svn-id: https://svn.code.sf.net/p/freetel/code@2424
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sjlongland [Tue, 6 Oct 2015 10:03:52 +0000 (10:03 +0000)]
tot: Time-out timer module
This is a crude time-out timer, designed to be ticked along by the
systick timer then polled in the main loop.
git-svn-id: https://svn.code.sf.net/p/freetel/code@2423
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sjlongland [Tue, 6 Oct 2015 10:03:47 +0000 (10:03 +0000)]
sounds: Make structures const.
git-svn-id: https://svn.code.sf.net/p/freetel/code@2422
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hobbes1069 [Mon, 5 Oct 2015 14:14:10 +0000 (14:14 +0000)]
Commit draft instructions for branching and tagging.
git-svn-id: https://svn.code.sf.net/p/freetel/code@2421
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hobbes1069 [Mon, 5 Oct 2015 13:52:32 +0000 (13:52 +0000)]
Remove failed attempt to use prebuilt wxWidgets binaries from svn.
git-svn-id: https://svn.code.sf.net/p/freetel/code@2420
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baobrien [Mon, 5 Oct 2015 00:26:11 +0000 (00:26 +0000)]
A bit more messing with and clean up of fsk4.m
git-svn-id: https://svn.code.sf.net/p/freetel/code@2419
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rickb44 [Sun, 4 Oct 2015 19:19:14 +0000 (19:19 +0000)]
FIX SVN CHANGE LOG RGB 10/04/15
git-svn-id: https://svn.code.sf.net/p/freetel/code@2418
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