Functional Description and Operation
21
SPRUI94 – January 2017
Copyright © 2017, Texas Instruments Incorporated
XDS110 Debug Probe
•
-S pathlength
Measure the length of the DR/IR scan paths (JTAG and cJTAG).
•
-Y reset, system = boolean
Reset the debug probe and its target through the nSRST or nTRST pins.
•
-Y gpiopins, config=number, write=number, read=boolean, mask=number
Configure, write, and read the user GPIO pins.
•
-h
Show a list of major commands.
•
-<command> help
Show help for a given major command. For example, -S help.
Examples:
How to get help:
dbgjtag -h
When executing dbgjtag, the -h command displays a list of the major commands and display information
about the specific build of dbgjtag, including the emupack version. To find help on a specific major
command, execute the command with “help” for the sub-command. For example, to get help for the scan
command, execute the following:
dbgjtag -S help
This lists all of the sub-commands for -S with explanations of the parameters used for each.
How to test the scan connection for JTAG and cJTAG modes:
For JTAG:
dbgjtag -f @xds110 -S integrity
For cJTAG:
dbgjtag -f @xds110cjtag -S integrity
The output for a successful test appears as in
.
