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drivers/cmsis_dap: use quirk workarounds optionally

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Introduce 'cmsis-dap quirk' command to enable and
disable quirk mode.

If enabled, disconnect and connect before a switch
sequence and do not use multiple packets pipelining.

Change-Id: I6576f7de9f6c98a25c3cf9eec9a456a23610d00d
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: https://review.openocd.org/c/openocd/+/7966
Tested-by: jenkins
This commit is contained in:
Tomas Vanek
2023-11-07 14:45:45 +01:00
parent 66391d2837
commit ba16fdc1c6
3 changed files with 41 additions and 5 deletions
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12
doc/openocd.texi
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@@ -2569,6 +2569,18 @@ In most cases need not to be specified and interfaces are searched by
interface string or for user class interface.
@end deffn
@deffn {Command} {cmsis-dap quirk} [@option{enable}|@option{disable}]
Enables or disables the following workarounds of known CMSIS-DAP adapter
quirks:
@itemize @minus
@item disconnect and re-connect before sending a switch sequence
@item packets pipelining is suppressed, only one packet at a time is
submitted to the adapter
@end itemize
The quirk workarounds are disabled by default.
The command without a parameter displays current setting.
@end deffn
@deffn {Command} {cmsis-dap info}
Display various device information, like hardware version, firmware version, current bus status.
@end deffn