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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/openocd.texi | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index 70d789a7..a65244a6 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -62,7 +62,7 @@ Free Documentation License''. * About:: About OpenOCD * Developers:: OpenOCD Developer Resources * Debug Adapter Hardware:: Debug Adapter Hardware -* About JIM-Tcl:: About JIM-Tcl +* About Jim-Tcl:: About Jim-Tcl * Running:: Running OpenOCD * OpenOCD Project Setup:: OpenOCD Project Setup * Config File Guidelines:: Config File Guidelines @@ -503,38 +503,43 @@ FlashLINK JTAG programing cable for PSD and uPSD} @end itemize -@node About JIM-Tcl -@chapter About JIM-Tcl -@cindex JIM Tcl +@node About Jim-Tcl +@chapter About Jim-Tcl +@cindex Jim-Tcl @cindex tcl -OpenOCD includes a small ``Tcl Interpreter'' known as JIM-Tcl. +OpenOCD uses 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. +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}. +You can learn more about Jim at its website, @url{http://jim.berlios.de}. +There is an active and responsive community, get on the mailing list +if you have any questions. Jim-Tcl maintainers also lurk on the +OpenOCD mailing list. @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 +@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. +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. +needed. We welcome Jim-Tcl improvements, not bloat. Also there +are a large number of optional Jim-Tcl features that are not +enabled in OpenOCD. @item @b{Scripts} -@* OpenOCD configuration scripts are JIM Tcl Scripts. OpenOCD's +@* 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. +Jim-Tcl commands, and (older) the orginal command interpreter. @item @b{Commands} @* At the OpenOCD telnet command line (or via the GDB monitor command) one @@ -543,7 +548,10 @@ Some of the commands documented in this guide are implemented as Tcl scripts, from a @file{startup.tcl} file internal to the server. @item @b{Historical Note} -@* JIM-Tcl was introduced to OpenOCD in spring 2008. +@* Jim-Tcl was introduced to OpenOCD in spring 2008. Fall 2010, +before OpenOCD 0.5 release OpenOCD switched to using Jim Tcl +as a git submodule, which greatly simplified upgrading Jim Tcl +to benefit from new features and bugfixes in Jim Tcl. @item @b{Need a crash course in Tcl?} @*@xref{Tcl Crash Course}. @@ -654,7 +662,7 @@ those channels. If you are having problems, you can enable internal debug messages via the @option{-d} option. -Also it is possible to interleave JIM-Tcl 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 @@ -1354,7 +1362,7 @@ In addition to target-specific utility code, another way that board and target config files communicate is by following a convention on how to use certain variables. -The full Tcl/Tk language supports ``namespaces'', but JIM-Tcl does not. +The full Tcl/Tk language supports ``namespaces'', but Jim-Tcl does not. Thus the rule we follow in OpenOCD is this: Variables that begin with a leading underscore are temporary in nature, and can be modified and used at will within a target configuration file. @@ -7631,7 +7639,7 @@ learning Tcl, the intent of this chapter is to give you some idea of how the Tcl scripts work. This chapter is written with two audiences in mind. (1) OpenOCD users -who need to understand a bit more of how JIM-Tcl works so they can do +who need to understand a bit more of how Jim-Tcl works so they can do something useful, and (2) those that want to add a new command to OpenOCD. |