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Author SHA1 Message Date
Oliver Jowett 079de99eec Add --iformat option that controls the format of the data read from --ifile. 
This currently understands:

UC8 (original rtl_sdr format, 8-bit unsigned complex);
SC16 (16-bit signed complex, full width);
SC16Q11 (bladeRF native format: 16-bit signed complex with 11 bits of magnitude)
 2015-05-29 18:22:41 +01:00
Oliver Jowett 15ea5ba3da Rearrangements to the receive thread. 
Magnitude conversion now happens immediately when sample data is
received, so there is no risk of newly received data clobbering old
data under CPU overload.
 2015-04-09 18:51:31 +01:00
Oliver Jowett e1d262d992 Add --show-only for extracting messages from a single plane. 2015-02-22 23:01:54 +00:00
Oliver Jowett 8f3be2cd79 Decode aircraft category, export in aircraft.json. 
Closes #2.
 2015-02-22 12:15:26 +00:00
Oliver Jowett af382ac79c Fix max flush interval to be in milliseconds. 2015-02-10 23:43:48 +00:00
Oliver Jowett f9ed7e4a97 More time_t -> milliseconds conversions. 
This lets us support fractional net flush times among other things, which is handy.
 2015-02-10 22:24:22 +00:00
Oliver Jowett 7053ad02da Make aircraft tracking use milliseconds everywhere. 2015-02-10 21:49:37 +00:00
Oliver Jowett 9fd0c822f6 Extract NUCp from message type; needed for #16. 2015-02-09 14:14:12 +00:00
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 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 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
Oliver Jowett 5b40377b98 Measure CPU for demodulator, read thread, and background tasks individually. 2015-01-23 01:22:22 +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 af3eb3df2b Move to a simpler versioning scheme (the one derived from upstream 
is going to break the ordering that Debian expects very soon).

When building from source not via debian/rules, derive a version from
git describe.
 2015-01-22 13:19:15 +00:00
Oliver Jowett ada188a1c8 Changed my mind, put the non-ICAO flag bit in the address itself 
since we have 8 bits spare, so there's no chance of confusing it
with an ICAO address, and we can safely use the filter table to match
future messages without also matching equivalent ICAO addresses.
 2015-01-22 12:30:12 +00:00
Oliver Jowett 9a91507583 Flag non-ICAO addresses, display them differently in interactive mode. 2015-01-22 11:14:22 +00:00
Oliver Jowett 19082d92ea Measure signal power / noise power (at least in 2.4MHz mode). 
Switch signalLevel back to a power measurement, don't put SNR in there.
But make it a 0.0 - 1.0 double so we're not scaling everywhere.

Adjust for the amplitude offset when calculating power.

Adapt everything else to the new scheme.
 2015-01-22 01:01:39 +00:00
Oliver Jowett ef098a2461 Import new 2.4MHz demodulator from experimental branch. 2015-01-21 13:32:17 +00:00
Oliver Jowett 0493248425 Minor cleanups / comments. 2015-01-21 12:55:46 +00:00
Oliver Jowett a33e4388c9 Add scoreModesMessage() 2015-01-21 12:55:24 +00:00
Oliver Jowett 7c64f27c22 Remove unused user latitude/longitude defines. 2015-01-21 11:53:45 +00:00
Oliver Jowett 5e522fe8db Decoder cleanups from experimental branch. 2015-01-21 00:23:48 +00:00
Oliver Jowett 0433ed3f5d icao_filter.[ch] from the experimental branch. 2015-01-20 23:53:26 +00:00
Oliver Jowett 270a22e06a CRC reimplementation to be byte-at-a-time table-driven. 
Also be smarter about error correction, avoiding ambiguous cases
when --aggressive is specified.
 2015-01-20 23:04:05 +00:00
Oliver Jowett ed4d481772 Import CPR changes from experimental branch. 2015-01-20 18:41:44 +00:00
Oliver Jowett b9b76da02d Stats rearrangement, based on experimental branch changes. 2015-01-20 17:16:35 +00:00
Oliver Jowett e02a2cdd44 GPL. 2015-01-20 16:49:01 +00:00
Oliver Jowett f753c2d9fe Separate 2.4MHz demodulator into its own file. 2015-01-19 23:50:25 +00:00
Oliver Jowett a6542b505b Separate out 2MHz demodulator + support functions to a separate file. 2015-01-19 23:47:51 +00:00
Oliver Jowett 07df054590 Move CRC code to a separate file. 2015-01-19 23:41:26 +00:00
Oliver Jowett 870233977c Less aggressive history settings. 
(cherry picked from commit d41090c57cb37352b7689e36af55cdb89486c230)
 2015-01-16 20:33:23 +00:00
Oliver Jowett 1db63ebc65 Add generation of history JSON. 
Add support for URL handlers that match a path prefix.

(cherry picked from commit 38faa510cb881cbf9d2a0a85bbde61130b5259e7)
 2015-01-16 20:31:59 +00:00
Oliver Jowett b1bfb4d520 Rationalization of JSON output. Pass actual URL path to URL handler. 
(cherry picked from commit becce8d69a6e6cee38d4fdb78b5a4e25d570baea)
 2015-01-16 20:30:41 +00:00
Oliver Jowett 72bfc31458 Display message rate (30 sec average) on the webmap. 
(cherry picked from commit 848af78be685c6e2a26d0b30e9f385696201a2c4)
 2015-01-13 22:01:53 +00:00
Oliver Jowett fefce7b4bd Add --max-range parameter. Use it for relative position limits, and to discard bad position results. 
(cherry picked from commit 0d725508f78cb2fd7759efbb66b45b867d6f7722)
 2015-01-13 21:53:12 +00:00
Oliver Jowett f72fc3dbee Fix a couple of problems found by valgrind. 2015-01-12 00:56:51 +00:00
Oliver Jowett 43ec58c78e Remove dead tracking code related to the removed PlanePlotter feed. 2015-01-04 20:09:38 +00:00
Oliver Jowett 07bc762055 Notice if we lose the RTLSDR device and reconnect. 
Fix some of the more glaring pthread bugs.
 2015-01-02 22:29:29 +00:00
Oliver Jowett 58dfbdcb6b Add support for controlling the accuracy of the receiver location 
written in the JSON metadata used by the webmap.
 2014-12-27 20:52:56 +00:00
Oliver Jowett 48986c48cc Remove half-implemented --no-decode option. 2014-12-27 20:11:10 +00:00
Oliver Jowett 9fa09e0e92 receiver.json support, internal webserver cleanup. 
Add data/receiver.json (generated once) and support for it in script.js.

Internal webserver rearrangement to support multiple json files.
 2014-12-10 17:05:22 +00:00
Oliver Jowett f707f2cdce More version reporting tweaks. 2014-12-10 12:44:00 +00:00
Oliver Jowett c6077b1e6c Use the package version as the version number compiled into the binary. 2014-12-10 12:25:43 +00:00
Oliver Jowett 2dcc8e3524 Add direct support for FATSV-format output. 
This is adapted from the FlightAware fork, with some cleanup and
modifications needed to work with the net-cleanup changes.

Inclusion of "verbatim" TSV data read from an AVR-format input
connection is not supported.
 2014-12-08 19:56:45 +00:00
Oliver Jowett 7bd2ee5510 Merge branch 'write-json-files' into oversampling 
Conflicts:
	dump1090.c
	dump1090.h
 2014-11-23 16:03:35 +00:00
Oliver Jowett 6910a4bf4d Experimental json changes 2014-11-23 16:02:11 +00:00
Oliver Jowett 8246df8b2d Merge branch 'master' into oversampling 2014-10-31 19:42:15 +00:00
Oliver Jowett bbd5a13030 Merge branch 'net-cleanups' 2014-10-31 19:38:06 +00:00
Oliver Jowett 29d1e53f9f Merge remote-tracking branch 'upstream/master' into net-cleanups 2014-10-31 17:58:03 +00:00