This builds on the static phase compensation in the MSK144 decoder and
the phase analysis and polynomial fitting capabilities also in teh
MSK144 decoder, by allowing captured data to be selected for phase
equalization from the WSJT-X UI.
Reads captured phase compensation curve estimate files containing
fitted polynomial coefficients and measured phase data from MSK144
receptions. Intent is to select a compensation curve that is from a
known transmitter like an SDR which have good phase linearity. Phase
plots and compensation polynomials may be viewed and compared with the
current compensation polynomial. A suitable polynomial can be applied
to be use in all further decoding of MSK144 signals.
Plots of the currently selected polynomial and its modified higher
order terms polynomial which is actually used in equalization (this
plot may be dropped - it is just for kicks at the moment). When a
captured phase analysis file is loaded plots of the measured phase and
the proposed best fit polynomial are shown.
Basic maintenance is also included allowing clearing and loading
captured plots and an option to revert to a flat no equalization
curve.
More to come on this as amplitude equalization is also possible, this
will probably be similar, maybe even plotted on the same graph with
dual axes for phase and amplitude. Amplitude correction from a
measured reference spectrum could be viewed and selected for
equalization for all modes. TBC...
This change also introduces the QCustomPlot 3rd party
widget. Currently this is statically linked from a qcp library built
by the WSJT-X CMake script. This will probably be migrated to a shared
object (DLL) build as a CMake external project, once some CMake script
re-factoring has been completed, which is more in line with the
QCustomPlot author's intentions. This will allow efficient reuse in
other tools shipped with WSJT-X.
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This issue was probably triggered by OpenMP forcing some large arrays
onto the stack where Fortran might normally make them static. The
change that seemed to make the difference was putting cdat2 in
msk144_freq_search into static storage. I am not convinced that the
problem is really solved but it works for now.
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Also increase Windows stack size from 1Mbyte to 8Mbyte due to the
impact of Fortran arrays not being automatically moved to static
storage above a certain size. This needs attention by setting the SAVE
attribute on large arrays that do not need to be on the stack i.e. do
no need to be duplicated across OpenMP thread teams.
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The change also includes a new MultiSettings feature that allows
settings keys common to all configurations. The splash screen disable
is the first of those to be used.
The MultiSettings class has been made safer to use by ensuring it
saves and re-enables the current QSettings group when doing multi
settings actions. This allows access to common, across configuration,
items while within a normal settings group without breaking the
MultiSettings internal implementation.
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Two new validator classes CallsignValidator and
MaidenheadLocatorValidator are introduced and used in the
Configuration and MainWindow implementations.
MaidenheadLocatorValidator supports different lengths and minimum
required lengths with a default of subsquare with square being
required.
The message_aggregator application has been enhanced to show the
current DX call and DX grid as shown in the WSJT-X main window.
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Instead of using the Qt QMessageBox class directly a new class
MessageBox (MessageBox.hpp) has been added to deal with platform
independence issues like the title not being shown on Mac OS X.
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Now exporting a shared and static version of the wsjtx_udp library.
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If needed then requires a newer CMake minimum version.
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Build now creates and installs a UDP library that contains the server
side of the UDP messaging facility. This library is used by the
udp_daemon and message_aggregator reference examples. The new library
is currently a static archive but can also be built as a shared
library. The library allows third party Qt applications to easily
access UDP messages from WSJT-X.
Refactored the message_aggregator reference example to split out
classes into separate translation units. Added new functionality to
exercise the new UDP status fields, highlight own call, CQ/QRZ
messages and decodes near Rx DF.
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Multiple configurations are accessed and maintained from a new main
window menu bar pop up menu "Configurations". The prior settings are
the "Default" entry. New configurations may be added by cloning
existing ones. Maintenance and navigation is via sub menus for each
configuration.
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Setting the CMake option WSJT_RIG_NONE_CAN_SPLIT=ON will buold a
version taht allows split operating with the dummy rig. This must not
be shipped since it will generate incorrect Tx tones.
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Hamlib now used libusb-1.0 and since that is available on Windows we
can now build with it across platforms. This change allows for that if
the custom USB backends are configured in Hamlib.
As it looks like Hamlib v3.1 will be suitable for WSJT-X this change
also puts in place what is needed to link to a Hamlib SO/DLL/DYLIB
when required. This is switched on by not defining the CMake variable
hamlib_STATIC. This could be used on Windows and Mac but Linux still
must have Hamlib statically linked due to repository versions being
too old.
For now Hamlib remains statically linked for consistency across
platforms.
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The latest Clang shipped with Apple Xcode errors on unrecognized flags
that gcc/g++ accept. By using generator expressions the OpenMP flag
is now only applied to Fortran compiles when needed on Mac. Note that
this is necessary since the Apple Clang does not support OpenMP so we
have to hack the link to support OpenMP in jt9 by mixing gfortran OpenMP
object code with Clang/Clang++ object code.
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2. Add ability to set ndepth and do message averaging ti fer65.
3. Correct SNR values for measured Doppler width.
4. Comment out the "write(62..." diagnostics.
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1. Measure Doppler width by fitting a (modified) Lorentzian.
2. Don't call "slope" in sync65().
3. New definition of "sync1".
4. Get snr from sync1.
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Clang++ detected some warnings that g++ did not.
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Missing '/' character on directory URL. QUrl treats URLs not ending
with a '/' character as file URLS and QUrl::resolved() strips
filenames.
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Broadcast Wave Format is a backwards compatible superset of teh
Microsoft WAV file format that has been implemented in teh hope that
Windows File Explorer might show the WAV file metadta, as it turns out
that is not the case but as it's done anyway.
It appears to be impossible to write a WAV file such that MS Windows
File Explorer shows any metadata so unless we adopt FLAC format audio
files we will have to show metadata with our own software :(
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The WAV file format allows for optional header content, allow for this
in preparation for adding some metadata to WSJT-X recorded WAV files.
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Re-factor the JT4, JT65 and JT9 decoders as Fortran modules using type
bound procedures, the decoder types implement a callback procedure
such that he client of the decoder can interpret the decode results as
they need.
The JT4 decoder has a second callback that delivers message averaging
status. Also the previously separate source files lib/jt4a.f90 and
lib/avg4.f90 have been merged into lib/jt4_decode.f90 as private type
bound procedures of the new jt4_decoder type.
Re-factored the lib/decoder.f90 subroutine to utilize the new decoder
types. Added local procedures to process decodes and averaging results
including the necessary OpenMP synchronization directives for parallel
JT9+JT65 decoding.
Added the jt65_test module which is a basic test harness for JT65
decoding. Re-factored the jt65 utility to utilize the new jt65_test
module.
Changed a few integers to logical variables where their meaning is
clearly binary.
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Groundwork for calling the decoders directly from C/C++ threads.
To access the timer module timer_module must now be used.
Instrumented code need only use the module function 'timer' which is
now a procedure pointer that is guaranteed to be associated (unless
null() is assigned to it, which should not be done). The default
behaviour of 'timer' is to do nothing.
If a Fortran program wishes to profile code it should now use the
timer_impl module which contains a default timer implementation. The
main program should call 'init_timer([filename])' before using 'timer'
or calling routines that are instrumented. If
'init_timer([filename])'. If it is called then an optional file name
may be provided with 'timer.out' being used as a default. The
procedure 'fini_timer()' may be called to close the file.
The default timer implementation is thread safe if used with OpenMP
multi-threaded code so long as the OpenMP thread team is given the
copyin(/timer_private/) attribute for correct operation. The common
block /timer_private/ should be included for OpenMP use by including
the file 'timer_common.inc'.
The module 'lib/timer_C_wrapper.f90' provides a Fortran wrapper along
with 'init' and 'fini' subroutines which allow a C/C++ application to
call timer instrumented Fortran code and for it to receive callbacks
of 'timer()' subroutine invocations. No C/C++ timer implementation is
provided at this stage.
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Samples are downloaded from a web server, currently the SF download
server. The samples are stored in the source controlled samples
directory and the CMake script there builds a suitable directory tree
for upload to the web server under samples/web containing the samples
hierarchy and the generated JSON contents database file. The samples
CMake script also defines an 'upload-samples' target that uses rsync
to efficiently upload the samples and the accompanying contents JSON
database file.
Any directory structure under the samples directory may be created, to
add a new sample file simply add the file to source control and amend
the list of sample files (SAMPLE_FILES) in samples/CMakeLists.txt.
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Also use correct C binding and have compilers determine sizes and
offsets.
The wsjtx.exe program now owns the decoder shared data that is shared
with symspec. It is now in struct dec_data, still a global variable
for now but hopefully a MainWindow member variable soon.
The struct dec_data (in both C/C++ and Fortran) has a sub structure
with the decoder parameters which enables copying and manipulating a
lot cleaner.
New of changed types of shared data must still be modified in
commons.h and a new file lib/jt9com.f90, they must stay in sync as a
pointer to the structure is passed between C and Fortran.
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Build script now builds jt65. The tools jt65 and jt65sim usilize the
options module for all comamnd line parsing.
The tool jt65sim now has conventinal command line options and
switchs. Default values have been added where appropriate and options
documentation updated. An option to disable PRNG seeding has been
added.
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