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Without this, e.g. the recently added 'IDLE' ptype of the UART decoder
would cause issues.
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Detect periods of a frame's length with idle level, and communicate
these time spans to stacked decoders by means of PYTHON output. Do *not*
display these idle frames in regular annotations, for backwards compat.
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The gpib decoder tried to "flush" input data at a user specified sample
number when the input data lacked the respective edge which triggers the
processing during regular operation.
This is rather obscure a feature, not seen in any other decoder, perhaps
a workaround for bug #292, rather unaccessible to users (units of sample
numbers not times nor automatic detection of the EOF condition), highly
confusing according to user reports, and not covered by existing tests.
The mere presence of this option caused severe issues in application
code (see bug #1444). While there is no apparent fix that won't affect
other decoders. So let's drop this questionable feature. Valid and
complete captures should contain all relevent edges and thus decode
properly.
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This is a protocol decoder for the 'ASCII' protocol used by
Amulet Technologies LCDs.
Currently some commands are not implemented yet. I also lack capture data
from a display that will use replies other than ACK and NACK.
Reads are untested as I have no suitable captures.
The PD copes with bus errors (there is an actual bug in the device I'm
reverse engineering) and most of the commands are implemented.
The unimplemented commands should generally consume the correct
number of bytes from the bus, the exception to this are the drawing
commands, because there are actually at least two revisions of them
with different payloads, that are really hard to detect in greedy
algorithm.
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Similar to the recently added [rx|tx]_packet_delimiter options, these
emit summary annotations ("packets") when a certain number of data values
have been decoded.
This is a convenience feature which can be useful when a user wants to
view data which doesn't have a specified delimiter value (as last data
value in the "packet"), but rather fixed-length "packets".
This is just an (intentionally very simple) helper/convenience improvement
and is NOT meant to replace "proper" stacked decoders for UART-based protocols.
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This is a convenience feature that emits summary annotations ("packets")
that comprise all data values that were decoded until a specified delimiter
value is seen (as last data value of the "packet").
Example use-cases include ASCII data where it can be convenient to
"packetize" whenever a 10/0x0A value (newline) is seen, or some
protocols which have a fixed "marker" value (e.g. 0x55) as last
value in the "packet".
The annotations are affected by the selected 'format' option, i.e. the
user can get summaries in ASCII or hex or other formats.
This is just an (intentionally very simple) helper/convenience improvement
and is NOT meant to replace "proper" stacked decoders for UART-based protocols.
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This improves readability a bit in most cases.
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There are various different names that these types of memories are being
referred to in the wild: SPI flash, flash chip, flash, flash EEPROM,
SPI EEPROM, serial flash, serial memory, flash memory, and various others.
In order to make UI decoder selection more useful to the user, we add
the "EEPROM" string to some of the decoder metadata fields, so the
decoder will (for example) show up in PulseView's list of decoders when
the user types "eeprom" to narrow down the listed decoders.
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Change client->server and server->client to be separately configurable,
allowing decoding at both the server (where client->server is RX and
server->client is TX) and client (where client->server is TX and
server->client is RX) ends of the link. It also allows monitoring of the
bus on a single channel (where client->server and server->client are both
RX (or TX)).
When I tried to decode a bus capture, I found that when the transmitter was
turned off it generated a false start bit, which in turn resulted in a false
trailing byte from the UART decoder. This narrowed the inter-frame gap to
the point where the Modbus decoder failed to recognise a new frame. The
result was only the first frame of the capture decoded - all the rest of the
frames failed to decode. I had to reduce the frame gap to allow subsequent
frames to decode, and so made it a configurable option that defaults to the
existing gap.
Lastly, I fixed a call to puti() that incorrectly included the annotation
prefix.
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This fixes bug #1376.
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This fixes bug #1377.
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From a protocol level, a BULK IN transfer starts when the host starts
polling the respective endpoint. For analysis, it is sometimes useful
to show when the devices starts to answer the requests.
As both are useful for different use cases (the old, default one emphasizes
the host behavior, the new one shows the endpoint/device behavior), make
the display configurable.
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E.g. CONTROL and BULK IN transfers may overlap each other, and as a result
only one of the two can be seen in pulseview.
Partly solves bug #1046. In case a device has multiple IN/OUT endpoints,
transfers would still overlap, but many simple devices have just one each.
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