Commit Graph

268 Commits

Author SHA1 Message Date
Kamal Mostafa 31f8af5056 debian/control: enable Vcs- fields 2013-06-10 09:05:29 -07:00
Kamal Mostafa 0140e0df12 minimodem: --tx SAME emits 16 sync-byte preamble
Emit a preamble of 16 (hardcoded) sync-bytes if --sync-byte is
specified with --tx mode.  This makes --tx SAME emit the required
preamble of 16 0xAB's automatically.  So --rx SAME now directly
decodes the output of --tx SAME without needing to manually inject
the preamble byte(s), simplifying the test case.

Thanks to Harold Giddings, for reporting the issue.
2013-06-08 10:16:56 -07:00
Kamal Mostafa 24f1acff4f minimodem: fsk_transmit_frame factored out 2013-06-08 10:04:06 -07:00
Kamal Mostafa 8876f6674a minimodem: rename bfsk_sync_on_data to bfsk_do_rx_sync 2013-06-08 09:27:01 -07:00
Kamal Mostafa 9e741dd474 minimodem-0.17.1-1 2013-03-21 13:08:35 -07:00
Kamal Mostafa d98d0d6387 (portability) link with -lm explicitly
We need to explicitly link with -lm since we actually call lroundf() and sin().
2013-03-21 13:04:35 -07:00
Kamal Mostafa c25545951f minimodem-0.17-1 2013-03-20 12:10:37 -07:00
Kamal Mostafa d774ad74dd minimodem: handle arbitrary --startbits N
minimodem --startbits N works for rx and tx, where (0 <= N <= 20).

Thanks Martyn (kronalias), for reporting.
2013-03-20 12:08:52 -07:00
Kamal Mostafa b76b5a3fa3 minimodem-0.16.1-1 2013-01-25 15:09:47 -08:00
Kamal Mostafa 7ab18a268f minimodem: do not call setitimer(new_value=NULL)
Linux kernel warns:

    minimodem calls setitimer() with new_value NULL pointer. Misfeature support
    will be removed

Thanks Robert Hooker, for reporting.
2013-01-25 15:03:54 -08:00
Kamal Mostafa 1f74732147 minimodem-0.16-1 2012-11-03 14:32:40 -07:00
Kamal Mostafa 9d3200ca60 autoreconf 2012-11-03 14:28:47 -07:00
Kamal Mostafa 032d0bb79c minimodem: refine frame position if confidence falls
Allows for more accurate tracking, esp. for no-frame-bits protocols.
Fixes tests/test-80-SAME-datastream.
2012-11-03 14:20:33 -07:00
Kamal Mostafa 4709b5d146 tests: 80-SAME-datastream 2012-11-03 14:15:53 -07:00
Kamal Mostafa 1446844d32 minimodem: do not transmit leader tone if no start bits 2012-11-03 14:10:44 -07:00
Kamal Mostafa c2fa2dae93 fsk: fix FSK_DEBUG character decode 2012-11-03 13:26:10 -07:00
Kamal Mostafa 6ad778ce03 minimodem: fix --tx startbits/stopbits handling
Make --tx support specified --startbits and --stopbits; also enables --tx SAME.

Thanks to Jamie Batmanglidj for reporting the issue.
2012-11-01 12:48:40 -07:00
Kamal Mostafa 83f8c7cbdd minimodem-0.15.1-1 2012-10-16 18:11:21 -07:00
Kamal Mostafa 7fed380d0a callerid: do not use recursive call to reset
Testing by Mike Tedesco shows the recursive databits_decode_callerid()
seems to break on OS X (only); I don't see why it should.  Avoid the
issue by not making a recursive call.
2012-10-16 18:02:21 -07:00
Kamal Mostafa 93bf08f750 callerid: fix parser - do not store noise bytes 2012-10-10 10:05:51 -07:00
Kamal Mostafa 5e28a8026f minimodem-0.15-1 2012-10-05 20:16:44 -07:00
Kamal Mostafa 1a60f1c12d update README text 2012-10-05 20:07:23 -07:00
Kamal Mostafa 65493fa12a minimodem: --rx callerid
New "callerid" baudmode supports Bell202 Caller-ID (MDMF or SDMF) prototol.
2012-10-05 19:40:17 -07:00
Kamal Mostafa 49ccd10e1f minimodem: --rx prints all bytes unmolested, unless --print-filter
Now, minimodem prints all received bytes without isprint() filtering,
unless --print-filter is specified.  Allows for binary file transfers
and multibyte characters.
2012-10-05 13:29:30 -07:00
Kamal Mostafa ead6952a58 (portability) simple-tone-generator.c needs stdio.h 2012-10-04 18:13:23 -07:00
Mike Tedesco 577b84d7f2 (portability) use stdlib.h not malloc.h 2012-10-04 18:10:33 -07:00
Mike Tedesco d8f7601b4f (portability) simpleaudio.c needs stdio.h 2012-10-04 18:08:31 -07:00
Kamal Mostafa 761cf00b16 minimodem: handle SIGINT on --rx: close the sa backend and print stats 2012-10-02 14:22:38 -07:00
Kamal Mostafa 9627669b24 minimodem-0.14-1 2012-10-01 21:16:17 -07:00
Kamal Mostafa 2373364d9a minimodem: performance: read samples in larger blocks
For performance, read samples from the simpleaudio backend in larger
blocks when the number of bits per frame ends up being small.
2012-10-01 21:00:28 -07:00
Kamal Mostafa 2af26a4d06 simpleaudio-alsa: allow max latency
Request "maximum possible allowed latency", to help avoid underruns.
2012-10-01 19:06:27 -07:00
Kamal Mostafa 151ee0e004 simpleaudio-alsa: handle underruns better; print '#' 2012-10-01 19:02:39 -07:00
Kamal Mostafa b97aeb0778 simpleaudio-pulse: fix intermittent --tx noise
For some unknown reason setting attr.prebuf=1 causes horrible noise
for some playback sessions, so don't do that.
2012-10-01 14:30:00 -07:00
Kamal Mostafa 99c4b526af minimodem-0.13.1-1 2012-09-10 20:48:11 -07:00
Kamal Mostafa 6340365e2f simpleaudio-sndfile: fix minimodem tx_interactive
Un-break tx_interactive: minimodem enables tx_interactive whenever the
stream_name is NULL, so go back to using the stream_name as the sndfile
filename.
2012-09-10 20:02:53 -07:00
Kamal Mostafa 093d9aa18a minimodem-0.13-1 2012-09-09 18:40:41 -07:00
Kamal Mostafa 9f1695a3b6 minimodem: fix --auto-carrier crash on positive-shift modes 2012-09-09 17:42:53 -07:00
Kamal Mostafa d603fc444d minimodem: --alsa[=plughw:X,Y] 2012-09-09 15:24:35 -07:00
Kamal Mostafa 5ee6a23c42 simpleaudio: backend_device support 2012-09-09 15:24:01 -07:00
Kamal Mostafa c2bb5c6205 simpleaudio-alsa: fix bogus latency, set 200 ms 2012-09-09 15:03:40 -07:00
Kamal Mostafa 7df0366e60 minimodem-0.12.1-1 2012-09-06 16:47:27 -07:00
Kamal Mostafa fabd47ba99 minimodem: less aggressive refine on acquisition 2012-09-05 23:22:27 -07:00
Kamal Mostafa 2612aba0e2 minimodem-0.12-1 2012-09-05 09:45:34 -07:00
Kamal Mostafa c8dd7ac06b minimodem: fix --rx-one 2012-09-05 09:37:06 -07:00
Kamal Mostafa 3a1469b85e minimodem: fix usage message 2012-09-05 09:36:12 -07:00
Kamal Mostafa 8931ae1311 baudot: use non-Baudot chars for debug output 2012-09-04 15:37:19 -07:00
Kamal Mostafa 30de59026b minimodem: --inverted switches the mark/space freqs 2012-09-04 16:26:10 -07:00
Kamal Mostafa 8731b54bc2 minimodem: refine fsk frame position on carrier acquisition
FSK_ANALYZE_NSTEPS was previously 10.

Now FSK_ANALYZE_NSTEPS_CARRIER_LOCK is 100, and FSK_ANALYZE_NSTEPS is
reduced to 4.

(Also, try_confidence_search_limit = INFINITY on carrier acquisition frame).

Effects: Better initial phase lock on signal in the first
place; sloppier tracking of fast/slow signals; reduced longterm CPU load.
2012-09-03 23:31:16 -07:00
Kamal Mostafa aa1124d6e7 minimodem: fix incorrect try_max_nsamples calculation 2012-09-02 14:25:43 -07:00
Kamal Mostafa fd45b5571c minimodem: restrict try_max_nsamples to 75% of a bit-width
... actually 125% of a bit width before acquiring carrier.
2012-09-02 14:27:04 -07:00