HCITracer
for recording serial HCI traffic
LeCroy's HCITracer is designed to operate in conjunction with all of LeCroy's Bluetooth protocol analyzer systems (these include: BTTracer, BTTracer/Trainer,
and Merlin II analyzers). HCI probing of traffic assists any Bluetooth
designer or test engineer wanting to verify that information passed
between the Bluetooth module and the Bluetooth stack conforms to
traffic viewed within the piconet. HCI probing is also useful for
designers or test engineers that are working at the stack or
application level and need to view and/or validate command structures
passed to and from the Bluetooth module itself.
The HCITracer functionality provides means to
record serial HCI traffic (RS232, UART or BlueCore HCI interfaces)
utilizing the CATC Trace analysis software. The HCI probe can be used
in several configurations: plugged into a USB port of the host PC or
connected to serial ports of the host PC. Up to three (3) HCI probes
can be simultaneously connected on a single LeCroy analyzer system.
All HCI traffic is displayed using the CATC Trace
software interface, which is the de facto industry standard for
documenting the performance of high-speed serial protocols. Information
captured by the HCI probe is analyzed and decoded at the following
protocol levels: HCI, L2CAP, SDP, RFCOMM, TCS, OBEX, HDLC, BNEP, PPP,
AT, HCRP, IP, TCP, UDP, HID, AVCTP, and AVDTP.
The CATC Trace helps simplify the overall debug process by
using collapsible, color-coded schemes to represent all layers of the
Bluetooth protocol. This application has advanced search and viewing
capabilities that allow the user to quickly locate specific data,
errors and other conditions, thereby focusing the user's attention on
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