isdnfax/ChangeLog

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Changelog:
----------
99-11-02 [morten]:
* Added pty layer for modem device emulation
* Added highlevel/commandparse.c for parsing AT-commands
* Modified the main loop of 'amodemd' to include the pty
hadeling code and AT-command parser.
99-09-04 [morten]:
* CVS repository now hosted on cvs.isdn4linux.de instead of
oldhades.think.de. This entery is basically a test that it
works.
99-08-29 [morten]:
* Changed fsk_demod to properly use its lookuptables (alaw problem)
* Updated G3/commandframes.c to produce valid frames
* Made incomming fax statemachine terminate for the benefit of
logging to file (not generate large files)
* New configuration option 'subscriber-identification' used to
assign the string announced in the CSI frame (called
subscriber identification).
* Minor changes to hdlc-framing.c (FCS calculation).
* 'amodemd' now defaults to incomming fax reception simulation
mode with no ISDN-connection, only logging. This is for
testin only, can be disabled with undef TESTING.
* New directory 'html' created with all files from i4lfax
homepage. Change the files in CVS, I'll upload them when
they change.
99-07-02 [becka]:
* Changes to fsk_demod:
- First parameter at creation now gives samplerate. Allows for
7200 samples/second.
- Changed demodulator to read signed 16 encoded data. Hope that
works.
- Heavily commented it.
99-07-01 [morten]:
* Added new framework for State-machines, see misc/statemachines.c
and G3/fsm.c
* hdlc-framing.c can now be asked if it is idle, and for how many
bits it has been so. Usefull for deciding if the current frame
has completed so that a signal-chain reconfiguration or similar
can be performed.
* The file 'G3/commandframes.c' contains a rough attempt at
assemblig command-frames (DIS, NSF, CSI etc.) that can be used
by the statemachines when various responses are needed.
99-06-28 [becka]:
* modified environment.c to not abort when realtime stuff cannot be
initialized.
* changed amodemd to use -D foer daemon mode as used by most other
daemons. -d usually means debug.
* Changed signalgen.c to allow for direct signal setup at
construction time. IMHO we should split that module into a sine,
a noise and a silence generator.
* Implemented syncbit.c to decouple bit extraction from the fsk-
demodulator stream from the bitstream decoders.
* Changed hdlc_decoder to expect a bitstream. Both modules are
untested.
98-11-29 [becka]:
* initial release.