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PDs are now checked for a proper Decoder object, with at least the
required attributes.
The author, long_desc and func attributes in the decoder object are gone.
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In the PDs (Python code), the 'annotation' variable/attribute is a list
of annotation formats. Use the plural 'annotations' as we do for other
lists such as 'inputs', 'outputs', 'probes', 'options', and so on.
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The DDC decoder takes input from the I2C PD.
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This is in preparation for passing annotation data back to the calling
frontend, and python data up to the next protocol in the stack.
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PD decode() call now takes 3 arguments: timeoffset, duration, data
as per the current API specification.
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This is done to be consistent with libsigrok's SR_ERR_ARG (nicer that way).
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This includes the (private) functions srd_err() and friends, the
(public) SRD_LOG_ERR macros and friends, and the (public) API functions
srd_set_loglevel() and srd_get_loglevel().
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Restored some prototypes in sigrokdecode.h.
Abort sigrok-cli on error while decoding (includes KeyboardInterrupt).
Fixed passing metadata to Decoder.start() method.
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This uses the new python unified type/class object API to construct
an object for PDs to subclass. The sigrok.Decoder class has a method
put() which is implemented as a C function, and receives the PD's
object instance as its first parameter.
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Functions changed to srd_session_start() to initialise the session,
and srd_session_feed() to feed sample data to the decoders.
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Before this was passed to the decoder's constuctor, but the parameters
may not all be known at construction. Decoders now have a method start()
which is called at the start of the capture, and metadata is passed as
an arg to this function.
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There is currently no way to configure options or probes, so they'll
always be the same, but it's a start.
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Get the following string fields from the .py decoders' register()
function and store them in the respective 'struct srd_decoder':
- longname
- longdesc
- author
- email
- license
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Do the same for sigrokdecode_ -> srd_ in struct names and function names.
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Let sigrokdecode_init() always load all decoders it can find in the
decoders directory, i.e., the user doesn't need to manually load decoders.
Instead he can just look up the list via sigrokdecode_list_decoders()
after sigrokdecode_init() has run.
This is not a problem, as sigrokdecode_init() is only run once per
sigrok-cli or sigrok-gui invocation, and even with many decoders this
should not take too long.
The list of decoders within libsigrokdecode is no longer a string, but
rather a list of 'struct sigrokdecode_decoder *' pointers.
Add sigrokdecode_get_decoder_by_id() API function which returns the
decoder with the specified ID (file name without ".py" suffix, for now),
or NULL if it cannot be found.
sigrokdecode_load_decoder() is now a private function and not exported
via the lib, i.e. not available to users of libsigrokdecode.
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Instead, add a libsigrokdecode_list_decoders() API call which gives you
the list of known protocol decoders.
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Add a new -A | --list-protocol-decoders option to show the list of
protocol decoders we could find.
Add -a | --protocol-decoders to specify a list of decoders that shall
be applied to the datastream. Currently only works for one decoder.
Define DECODERS_DIR, which is the directory where the decoders will be
installed upon 'make install', and where libsigrokdecode_init() will
search for them.
Thanks Olivier Fauchon <olivier@aixmarseille.com> for the initial patch,
merged in slightly different form.
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- Introduce 'struct sigrokdecode_decoder'.
- Decoders are now handled via two C functions:
- sigrokdecode_load_decoder(): Fills a 'struct sigrokdecode_decoder'.
- sigrokdecode_run_decoder(): Runs a decoder function.
- There are now two decoder API functions a script needs to implement:
- register(): Returns a Python dict with certain metadata.
- decode(): Runs the actual decoder code.
- libsigrokdecode: Add and use some more #defines for errors:
- SIGROKDECODE_ERR_ARGS
- SIGROKDECODE_ERR_PYTHON
- Various other smaller Python decode script infrastructure issues.
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