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Diffstat (limited to 'doc/openocd.texi')
| -rw-r--r-- | doc/openocd.texi | 88 |
1 files changed, 48 insertions, 40 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index b443ce3b..7a6b948d 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -63,10 +63,10 @@ Free Documentation License''. * Developers:: OpenOCD Developers * Building OpenOCD:: Building OpenOCD From SVN * JTAG Hardware Dongles:: JTAG Hardware Dongles +* About JIM-Tcl:: About JIM-Tcl * Running:: Running OpenOCD * OpenOCD Project Setup:: OpenOCD Project Setup * Config File Guidelines:: Config File Guidelines -* About JIM-Tcl:: About JIM-Tcl * Daemon Configuration:: Daemon Configuration * Interface - Dongle Configuration:: Interface - Dongle Configuration * Reset Configuration:: Reset Configuration @@ -659,6 +659,50 @@ FlashLINK JTAG programing cable for PSD and uPSD} @end itemize +@node About JIM-Tcl +@chapter About JIM-Tcl +@cindex JIM Tcl +@cindex tcl + +OpenOCD includes a small ``Tcl Interpreter'' known as JIM-Tcl. +This programming language provides a simple and extensible +command interpreter. + +All commands presented in this Guide are extensions to JIM-Tcl. +You can use them as simple commands, without needing to learn +much of anything about Tcl. +Alternatively, can write Tcl programs with them. + +You can learn more about JIM at its website, @url{http://jim.berlios.de}. + +@itemize @bullet +@item @b{JIM vs. Tcl} +@* JIM-TCL is a stripped down version of the well known Tcl language, +which can be found here: @url{http://www.tcl.tk}. JIM-Tcl has far +fewer features. JIM-Tcl is a single .C file and a single .H file and +implements the basic Tcl command set. In contrast: Tcl 8.6 is a +4.2 MB .zip file containing 1540 files. + +@item @b{Missing Features} +@* Our practice has been: Add/clone the real Tcl feature if/when +needed. We welcome JIM Tcl improvements, not bloat. + +@item @b{Scripts} +@* OpenOCD configuration scripts are JIM Tcl Scripts. OpenOCD's +command interpreter today is a mixture of (newer) +JIM-Tcl commands, and (older) the orginal command interpreter. + +@item @b{Commands} +@* At the OpenOCD telnet command line (or via the GDB mon command) one +can type a Tcl for() loop, set variables, etc. + +@item @b{Historical Note} +@* JIM-Tcl was introduced to OpenOCD in spring 2008. + +@item @b{Need a crash course in Tcl?} +@*@xref{Tcl Crash Course}. +@end itemize + @node Running @chapter Running @cindex command line options @@ -693,7 +737,7 @@ clients (Telnet, GDB, Other). If you are having problems, you can enable internal debug messages via the ``-d'' option. -Also it is possible to interleave commands w/config scripts using the +Also it is possible to interleave JIM-Tcl commands w/config scripts using the @option{-c} command line switch. To enable debug output (when reporting problems or working on OpenOCD @@ -808,7 +852,7 @@ single directory for your work with a given board. When you start OpenOCD from that directory, it searches there first for configuration files and for code you upload to the target board. -It is also be the natural place to write files, +It is also the natural place to write files, such as log files and data you download from the board. @section Configuration Basics @@ -848,7 +892,7 @@ openocd -f interface/signalyzer.cfg \ You could wrap such long command lines in shell scripts, each supporting a different development task. -One might re-flash the board with specific firmware version. +One might re-flash the board with a specific firmware version. Another might set up a particular debugging or run-time environment. Here we will focus on the simpler solution: one user config @@ -1456,42 +1500,6 @@ Examples: @item pxa270 - again - CS0 flash - it goes in the board file. @end itemize -@node About JIM-Tcl -@chapter About JIM-Tcl -@cindex JIM Tcl -@cindex tcl - -OpenOCD includes a small ``TCL Interpreter'' known as JIM-TCL. You can -learn more about JIM here: @url{http://jim.berlios.de} - -@itemize @bullet -@item @b{JIM vs. Tcl} -@* JIM-TCL is a stripped down version of the well known Tcl language, -which can be found here: @url{http://www.tcl.tk}. JIM-Tcl has far -fewer features. JIM-Tcl is a single .C file and a single .H file and -impliments the basic Tcl command set along. In contrast: Tcl 8.6 is a -4.2 MB .zip file containing 1540 files. - -@item @b{Missing Features} -@* Our practice has been: Add/clone the real Tcl feature if/when -needed. We welcome JIM Tcl improvements, not bloat. - -@item @b{Scripts} -@* OpenOCD configuration scripts are JIM Tcl Scripts. OpenOCD's -command interpreter today is a mixture of (newer) -JIM-Tcl commands, and (older) the orginal command interpreter. - -@item @b{Commands} -@* At the OpenOCD telnet command line (or via the GDB mon command) one -can type a Tcl for() loop, set variables, etc. - -@item @b{Historical Note} -@* JIM-Tcl was introduced to OpenOCD in spring 2008. - -@item @b{Need a crash course in Tcl?} -@*@xref{Tcl Crash Course}. -@end itemize - @node Daemon Configuration @chapter Daemon Configuration @cindex initialization |