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Author SHA1 Message Date
Oliver Jowett 4ecd6958a1 If we squelch the first message from an aircraft, emit it when we see a second message. 
This is possible now that the SBS output doesn't rely on the global block timestamp;
the output will look like this:

MSG,8,111,11111,4AC954,111111,2015/02/08,17:57:53.917,2015/02/08,17:57:53.936,,,,,,,,,,,,0
MSG,7,111,11111,392AEB,111111,2015/02/08,17:57:53.744,2015/02/08,17:57:53.936,,15375,,,,,,,,,,0
MSG,8,111,11111,392AEB,111111,2015/02/08,17:57:53.917,2015/02/08,17:57:53.936,,,,,,,,,,,,0
MSG,6,111,11111,800387,111111,2015/02/08,17:57:53.919,2015/02/08,17:57:53.936,,,,,,,,4745,0,0,0,0

where the "receive timestamp" (first time column) goes backwards to reflect the original reception
time of the delayed message, but the "forwarded timestamp" (second time column) reflects the actual
forwarding time.
 2015-02-08 18:00:18 +00:00
Oliver Jowett c0af448efa uint64_t (even at 12MHz) isn't going to overflow any time soon, don't worry about wrapping. 2015-02-08 17:59:20 +00:00
Oliver Jowett 9c2f236463 Object files depend on *.h 2015-02-08 17:58:46 +00:00
Oliver Jowett 4e177c2d64 Store computed reception time in the message struct so we don't rely on 
the message being emitted immediately.

Fix computation of reception time so it's more sensible (the block timestamp
is some time after reception of the _end_ of the block, not the start) - this
means that message-emission times are always later than message-reception
times in SBS output, which is a bit more sensible.

Use clock_gettime in preference to ftime.
 2015-02-08 17:46:01 +00:00
Oliver Jowett 1584955080 Be more aggressive about removing aircraft where we have seen only 1 message. 2015-02-08 14:37:35 +00:00
Oliver Jowett 20407e5378 Don't emit SBS output with non-ICAO addresses (fixes #9) 2015-02-08 14:30:10 +00:00
Oliver Jowett 899c51ce85 Only emit network messages once we have seen two of them 
(except in --net-verbatim mode, where we emit them all)

Move aircraft tracking into track.[ch].

Clean up references to "interactive mode" when tracking
aircraft - we always track aircraft, even in non-interactive
mode.
 2015-02-08 14:27:03 +00:00
Jon Burgess b246bdcab4 Add view1090 to gitignore 2015-02-07 23:25:43 +00:00
Jon Burgess e1e5acbdbc Add --oversample option to help text 2015-02-07 23:15:12 +00:00
Oliver Jowett 704d8aaffb Don't try to log signal peak power if no peaks recorded. 2015-02-06 13:27:47 +00:00
Oliver Jowett 965ac96493 Update bestscore even if decoding fails so we register the number of "unknown ICAO" messages correctly. 2015-02-06 13:11:41 +00:00
Oliver Jowett 9381a20198 Support more DF18 message formats. Test for the IMF bit where appropriate. 
Fixes #4.
 2015-01-29 23:08:33 +00:00
Oliver Jowett ffd6690063 Update README-json.md 2015-01-28 20:44:41 +00:00
Oliver Jowett f593d8672d Document some of the json 2015-01-28 20:15:14 +00:00
Oliver Jowett 4dbedecc1e Fix history loading if receiver.json says history:0 2015-01-25 21:54:40 +00:00
Oliver Jowett 02f07ac7bf Release changelog. 2015-01-25 16:45:05 +00:00
Oliver Jowett 4b0bc4cee9 Make 2.4MHz sampling the default for new installs. 2015-01-25 16:11:34 +00:00
Oliver Jowett 09b6b3aa8c Fix some lintian warnings. 2015-01-24 01:08:05 +00:00
Oliver Jowett c1ac4d1036 Update GPL coverage. 2015-01-24 01:04:45 +00:00
Oliver Jowett 26feb1d078 Add some testing code that looks for ambiguous syndromes that 
could confuse the partial correction used in DF11.

That code shows that yes, there are ambiguous syndromes in the
2-bit correction case only, so disable corrections of more than
1 bit in DF11.
 2015-01-23 21:59:31 +00:00
Oliver Jowett 5ac90e30a8 Changelog. 2015-01-23 21:26:57 +00:00
Oliver Jowett dcd9f0b1e7 Link ICAO to airframes.org (complete with horrible javascript form-submission workaround) 2015-01-23 19:17:07 +00:00
Oliver Jowett 245bbd8b97 Report total, not latest-minute, message count in aircraft.json so that 
the webmap value doesn't jump around over a reset.
 2015-01-23 17:40:03 +00:00
Oliver Jowett c5b61a33fd Oops, another compile error, sigh. 2015-01-23 02:11:44 +00:00
Oliver Jowett c07e45a4c8 Report CPU in integer milliseconds, makes it a bit easier to process. 2015-01-23 02:03:57 +00:00
Oliver Jowett df5e41363a Fix compile error. 2015-01-23 01:49:14 +00:00
Oliver Jowett 5b40377b98 Measure CPU for demodulator, read thread, and background tasks individually. 2015-01-23 01:22:22 +00:00
Oliver Jowett 9deac8d894 Continuing to try to work around libusb/librtlsdr problems. 2015-01-23 01:20:22 +00:00
Oliver Jowett 4fb607a826 Noise floor measurement is too expensive to be worth it, disable it. 2015-01-22 23:38:21 +00:00
Oliver Jowett dc8891e0ba Reduce the demodulation length properly when we see a 56-bit DF. 2015-01-22 23:34:47 +00:00
Oliver Jowett d76b8948b3 Make doubleclick-follow also set zoom, like clicking the follow arrow does. 2015-01-22 23:12:41 +00:00
Oliver Jowett 5020d75b9e Move setting of CF earlier so we can use its value while decoding AA. 
(Needed to notice non-ICAO addresses in TIS-B)
 2015-01-22 22:19:38 +00:00
Oliver Jowett 07c4f045aa Fix italicizing of non-ICAO rows 2015-01-22 22:19:17 +00:00
Oliver Jowett f76842d186 Doubleclick on plane marker to follow, too. 2015-01-22 21:35:59 +00:00
Oliver Jowett 53203a5f71 Make the arrow bold/unbold to reflect current follow mode. 2015-01-22 21:31:02 +00:00
Oliver Jowett a4360cd775 Move the "follow" button to an arrow by the callsign. 
Also make the callsign clickable to follow.
 2015-01-22 21:30:37 +00:00
Oliver Jowett 3040609816 Doubleclick on a table entry to follow that aircraft. 2015-01-22 21:28:35 +00:00
Oliver Jowett eb023ff1d9 Don't include latest in 1/5/15 min totals, it's a bit confusing. 
This means the 1/5/15 min values may reflect a period that ended
up to 1 minute ago, but the length of the measured period is always
as expected i.e. 1/5/15 mins.
 2015-01-22 20:45:53 +00:00
Oliver Jowett fe0a87a588 Fix remote_received_modes counter. 2015-01-22 20:40:30 +00:00
Oliver Jowett c8025700e5 Emit all stats in stats.json. 2015-01-22 20:18:51 +00:00
Oliver Jowett 008ae926e7 Add --net-verbatim, which forwards the original uncorrected message to net clients, 
not the corrected version. Then the client can make its own policy decisions about
whether to accept and correct the damaged messages.
 2015-01-22 19:56:38 +00:00
Oliver Jowett a59077a370 Stats overhaul. 2015-01-22 19:49:19 +00:00
Oliver Jowett 6672d92d9e Don't double up the ICAO display if there's no callsign. 2015-01-22 17:35:20 +00:00
Oliver Jowett d3537ec139 When first following a plane, zoom in if we are zoomed far out. 2015-01-22 16:14:32 +00:00
Oliver Jowett 3fd2032f49 Make altitude column indicator consistent with the detailed info. 2015-01-22 16:14:11 +00:00
Oliver Jowett 09c50fff4d Show vertical rate indicators next to altitude. 2015-01-22 16:09:19 +00:00
Oliver Jowett ba8a8935be Move ICAO for the selected plane into the header line. 
Put RSSI in the selected info box where ICAO used to be.
 2015-01-22 15:31:35 +00:00
Oliver Jowett ffe03fe749 Track RSSI in PlaneObject. 2015-01-22 15:31:10 +00:00
Oliver Jowett b77d52bd1f Include recent RSSI in aircraft output. 2015-01-22 15:30:34 +00:00
Oliver Jowett 89d6b64747 Treat signal level in network messages as a (RMS) amplitude, since that 
is what was previously done and it gives us better range for small signals.

Means a sqrt() call on beast output, but this shouldn't be too bad as
it's only done once per message.
 2015-01-22 15:28:35 +00:00