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Dirk Behme <dirk.behme@googlemail.com> document post TAP reset event 

git-svn-id: svn://svn.berlios.de/openocd/trunk@2700 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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oharboe 2009-09-12 13:05:20 +00:00
parent 40f361dd94
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doc/openocd.texi
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@ -2289,14 +2289,14 @@ does include a kind of JTAG router functionality.
@deffn Command {jtag cget} dotted.name @option{-event} name @deffn Command {jtag cget} dotted.name @option{-event} name
@deffnx Command {jtag configure} dotted.name @option{-event} name string @deffnx Command {jtag configure} dotted.name @option{-event} name string
At this writing this mechanism is used only for event handling, At this writing this mechanism is used only for event handling.
and the only two events relate to TAP enabling and disabling. Three events are available. Two events relate to TAP enabling
and disabling, one to post reset handling.
The @code{configure} subcommand assigns an event handler, The @code{configure} subcommand assigns an event handler,
a TCL string which is evaluated when the event is triggered. a TCL string which is evaluated when the event is triggered.
The @code{cget} subcommand returns that handler. The @code{cget} subcommand returns that handler.
The two possible values for an event @var{name} The three possible values for an event @var{name} are @option{tap-disable}, @option{tap-enable} and @option{post-reset}.
are @option{tap-disable} and @option{tap-enable}.
So for example, when defining a TAP for a CPU connected to So for example, when defining a TAP for a CPU connected to
a JTAG router, you should define TAP event handlers using a JTAG router, you should define TAP event handlers using
@ -2312,6 +2312,15 @@ jtag configure CHIP.cpu -event tap-disable @{
... jtag operations using CHIP.jrc ... jtag operations using CHIP.jrc
@} @}
@end example @end example
If you need some post reset action, you can do:
@example
jtag configure CHIP.cpu -event post-reset @{
echo "Reset done"
... jtag operations to be done after reset
@}
@end example
@end deffn @end deffn
@deffn Command {jtag tapdisable} dotted.name @deffn Command {jtag tapdisable} dotted.name