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The word "version" was accidentally replaced by "data" (sed).
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Have the PD 'license' attribute match what the license header of the
respective pd.py file actually says.
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This decoder handles the WS2812B protocol (and possibly WS2811).
Example dump already exists: led/ws281x/ws281x_4ch_5mhz.sr.
Signed-off-by: Vladimir Ermakov <vooon341@gmail.com>
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0.5.0 will be the next major, API-changing release. Bump now, so that
there is no confusion of tarball 0.4.0 and 0.5.0-git snapshots.
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The last release (0.3.0) had the libtool version (current:revision:age)
set to 2:0:0. Since this release removes and changes interfaces, the new
version is 3:0:0.
http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
This changes the library filename (e.g. on Linux) from
libsigrokdecode.so.2.0.0 to libsigrokdecode.so.3.0.0, the SONAME
(+symlink) becomes libsigrokdecode.so.3.
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This fixes bug #739.
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Re-enable the fast path for identical samples but only when both
pins are waiting for the start bit. For sparse data sets (I tested
UT61E capture log) the optimization results in a >4x decode
improvement.
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This improves speed and fixes bug 564. Code is somewhat
of a copypaste from the arm_etm counterpart, but there
are enough differences that it is easier to keep separate
copy of the objdump parsing in each.
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(for consistency with the other PDs)
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This is more consistent with annotation syntax and looks slightly
better in most cases.
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None of the PDs use this.
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Use the "if not self.samplerate" form, which catches both the case
where self.samplerate is None, as well as the case where it is 0.
This is also consistent with all the other PDs.
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For consistency with other decoders, convert all the double quotes around
strings to single quotes.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
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This fixes bug #461.
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PID decoding is normally done in the packet layer, but the signalling
layer has to switch behaviour on detection of an PREamble PID.
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If the oldsym is not set to 'J' before entering IDLE state, the SOP
detection will never trigger
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If a packet had any errors, the usb_signalling PD will not send an EOP
but an ERR message. Wait for the next SOP in both cases.
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If a device or host did not receive a handshake 18 bit times after the
EOP, there was a transmission error and the host may repeat the
transmission
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In automatic mode, the bus is assumed to be in IDLE state. After a
RESET, the bus state is checked again.
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Resets are at least 10ms at the root hub downstream facing port and
2.5us at the device (root hub reset may be shortened by itermediate
hubs).
Keep-alive is a low-speed only signalling condition, as low-speed has no
SOFs to inhibit devices to enter suspend
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Instead of centering the block around the sampleposition, which shows
some visual glitches due to rounding, use the edge positions already
known. Remove unused halfbit symbol.
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Only SE0 and J are valid symbols during EOP
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Do not call get_eop() from get_bit(), but directly issue the symbol. As
get_eop() is only called during the GET EOP state, the SE0 is implicit and
there is no need to save it into the syms array.
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More than six consecutive 1's are an error
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No need to replicate the symbol formatting in several places
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Decode and packetize the Biphase Mark Coding (aka differential Manchester)
as used in the Universal Serial Bus Power Delivery Specification Revision 2.0
v1.1, then decode the packet content.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
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(this PD is indeed stacked on top of SPI)
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This issue was discovered via the newly added unit tests.
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1. Show Frame Error on the Start bit
2. Don't overwrite framing errors with (valid) start/stop bit info
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This is needed for e.g. g_slist_free_full(), which incidentally
has been in use for a while already.
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