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Analysis Probe
related error
messages
The following Analysis Probe related error messages
are reported by the USB inverse assembler.
FAILED TO IDENTIFY PID
This error will be reported by the inverse assembler if
the USB Analysis Probe hardware reports a status
code that is undefined. If this error occurs please
contact the FuturePlus Systems factory.
USB CRC and Serial
Bit Errors
By design the USB Analysis Probe will detect and
report CRC and serial bit stuffed errors. The PID
variable chart details the CRC and serial bit stuff
errors detected.
It is a protocol violation to omit the stuffed zero when
the last 6 bits of a packet are ones although the
packet data is correct and complete. The Analysis
Probe may not indicate that a serial stuffed bit error
occurred in this scenario.
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