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Remove the FSF postal address as it might change (it did in the past).
Reference the gnu.org website instead which is more stable.
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For the time being, both APIs (2 and 3) will remain supported until all
decoders have been converted to API version 3. Then, support for API
version 2 will be dropped.
Decoders using PD v3 API can benefit from both readability improvements
as well as performance improvements. Up to 10x speedup has been measured
in some situations (depends a lot on the decoder, the amount of data,
the amount of edges in the signals, the amount of oversampling etc. etc.).
This is only the first set of (basic) performance improvements for
libsigrokdecode, there are various additional opportunities for further
changes to improve performance.
This changeset has been tested to survive a run of all the test-cases in
the sigrok-test repo without issues (for the converted PDs), however it is
not very well-tested yet, so there might be regressions that need to be
addressed.
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The confusingly named srd_log_logdomain_set() simply set a global
string prefixed to the log message by the default log callback.
This is pretty much useless, misleadingly named, and not used by
either sigrok-cli or PulseView.
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Don't pass unitsize to srd_inst_channel_set_all(), have that only
set the channel map. Instead, srd_session_send() now has a parameter
for the unitsize which is passed with every new chunk to be decoded.
This is in preparation to fix issues with devices or files which
have a unitsize != 1 and where the "guessed" unitsize based on the
number of channels is not correct.
This also allows for (potential) future changes where every chunk can
indeed have a different unitsize.
This fixes (parts of) bug #352.
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The naming has been changed to "annotation class" a while ago.
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This prevents Python.h from being included into client code, where
it can mess things up by e.g. redefining _POSIX_C_SOURCE.
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This matches the libsigrok conventions, and will be required (or
at least nice to have) for libsigrokdecode language bindings later.
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It's not public API and is not used (nor should it be used) by any frontends.
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Avoid defining any names ending in _t, those are generally reserved
for POSIX usage. For details see:
http://pubs.opengroup.org/onlinepubs/007904975/functions/xsh_chap02_02.html
http://www.gnu.org/software/libc/manual/html_node/Reserved-Names.html
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Variables of type 'struct srd_channel *' are consistently named 'pdch' to
make them easily distinguishable from libsigrok's 'struct sr_channel *'
variables that are consistently named 'ch'.
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Each option consists of a dictionary with the following keys:
id The option id, which is passed in when setting a value.
desc A description of the option, suitable for display.
def The default value for this option.
values (optional) If present, a tuple containing values the option
may take. They must be of the same type as the default.
Valid types for the options are UTF-8-encoded strings, integers, and
floating point values.
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An annotation row is a list of annotation classes that should all be
displayed in the same "row" in GUIs.
For example, the UART decoder would have at least two rows (for decoded
RX and TX data/startbits/stopbits/paritybits), the SPI decoder would have
at least two rows (for decoded MISO and MOSI data), and so on.
Each annotation row has a short ID string (mostly for use in
command-line frontends), a description string (mostly for use by GUIs),
and a tuple/list of annotation class IDs belonging to this row.
If no annotation rows are provided by the decoder, frontends can
consider this as the "trivial" case of all annotation classes being
displayed on the same (only) row.
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Fixes bug 120.
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