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Some of the differences of USB low-speed (compared to full-speed) are:
- 1.5Mb/s datarate, not 12MBit/s.
- The J and K states are swapped/inverted.
Note: This is work in progress, further changes may still be needed.
Add a 'signalling' option, which allows the user to select whether the
PD should decode using the low-speed or full-speed signalling protocol.
If unspecified, the default is full-speed.
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We need to flush the file output buffer(s), lacking a stop() call in
PDs at the moment, which could do the flush (or file close()) only once
at the end of the PD "session".
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This PD stacks on top of the UART protocol decoder, and ouputs the
decoded UART data in the "canonical" format, one byte after the other
without any metadata (start bits, stop bits, parity bits, errors) and
without any sample-numbers and such. This is basically what you would
see in a terminal program, such as minicom.
Per default it outputs to stdout, but using the 'filename' option
and/or the 'filename_rx'/'filename_tx' options it can also output to
files.
Using the 'tx' and 'rx' options you can also select whether both, or
only one of the data direction's data should be output.
Example:
sigrok-cli -i foo.sr \
-a uart:rx=0:tx=1,uart_dump:rx=no:tx=yes:filename=foo.txt \
-s uart,uart_dump
This PD is just an experiment for now, it's possible that it will be
replaced / reimplemented via a different sigrok facility later on.
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Rename the old 'Text' format to 'Text (verbose)'.
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The samplenum/scount handling was broken recently (mea culpa), and the
DP/DM probes were swapped.
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Also handle (not yet implemented) special-case command names such as
'RDP/RES' and 'FAST/READ' correctly.
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Also, add a self.putx() helper method, as most annotations we have right
now are exactly one I2C packet long (there will also be others later, though).
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The Nintendo Wii Nunchuk protocol decoder, while it was in the repo for
a while, didn't really work yet (among other things, due to lack of
dumps for testing the code).
This is fixed now, the rewritten decoder works fine with most dump
files in the sigrok-dumps repo. A few minor issues remain to be
added/fixed, though.
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If the (generated) ChangeLog file is marked for DISTCLEANFILES, it'll be
removed whenever "make distclean" is called (and is then gone forever if
you use the tarballs, for example).
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Should be a list containing:
- Annotation format number (e.g. 0, or ANN_DEC, etc).
- A list of strings (the annotation). If more than one string is
supplied, the other ones should be short versions of the string.
Example: [ANN_DEC, ["Foobarbaz", "Foo", "F"]]
This is optional, and mostly useful for GUIs.
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Also, some small fixes and additional debug code/output.
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As per guidelines in HACKING, the protocol "commands"/items should be ALLCAPS,
thus change 'data' to 'DATA'. Also, fix MX25Lxx05D protocol decoder
accordingly, currently the only one we have which stacks on top of SPI.
Add a new 'CS-CHANGE' output protocol item, which is sent upon every
change of the CS# pin value (either 0->1, or vice versa). This is needed
by various higher-level PDs.
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Add ACLOCAL_DIR setting and AM_PROG_AR macro for compiling with Homebrew
under Mac OS X.
Applies essentially the same change to
{libsigrok,libsigrokdecode,sigrok-cli}/{autogen.sh,configure.ac}
It may be that the same fix is needed for the other autogen.sh and/or
configure.ac files, but that hasn't been tested and therefore not in
this commit.
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In the protocol decoder you always get all required probes, then _all_
optional probes in the list of probes in the decode() call.
Example:
(r1, r2, r3, o1, o2, o3, o4) = pins
In this case r1-r3 are required probes, o1-o4 are optional probes.
However, the value of valid/used/specified probes will be 0 or 1,
whereas the value of probes that were not specified/assigned by the user
will be (at the moment) 42.
The PD can check for a valid probe like this:
if p in (0, 1):
...
Or check for an invalid probe:
if (p > 1):
...
The value of 42 could change to be -1 or None later.
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Also, fix minor consistency issues, cosmetics, typos.
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Add APB-AP register offsets/names, refactor and fix some code, handle
in/out APACC/DPACC better.
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Make it consistent with the rest of the code
Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
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Also, add a few code comments.
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