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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/openocd.texi | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index 90b3c890..834edee2 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -198,7 +198,10 @@ Run with @option{--help} or @option{-h} to view the available command line argum It reads its configuration by default from the file openocd.cfg located in the current working directory. This may be overwritten with the @option{-f <configfile>} command line -switch. +switch. @option{-f} can be specified multiple times, in which case the config files +are executed in order. + +Also it is possible to interleave commands w/config scripts using the @option{-c}. To enable debug output (when reporting problems or working on OpenOCD itself), use the @option{-d} command line switch. This sets the debug_level to "3", outputting @@ -209,7 +212,12 @@ from within a telnet or gdb session (@option{debug_level <n>}). You can redirect all output from the daemon to a file using the @option{-l <logfile>} switch. Search paths for config/script files can be added to openocd by using -the @option{-s <search>} switch. +the @option{-s <search>} switch. The current directory and the OpenOCD target library +is in the search path by default. + +NB! OpenOCD will launch the GDB & telnet server even if it can not establish a connection +with the target. In general, it is possible for the JTAG controller to be unresponsive until +the target is set up correctly via e.g. GDB monitor commands in a GDB init script. @node Configuration @chapter Configuration @@ -225,6 +233,10 @@ chain, the targets that should be debugged, and connected flashes. @section Daemon configuration @itemize @bullet +@item @b{init} This command terminates the configuration stage and enters the normal +command mode. This can be useful to add commands to the startup scripts and commands +such as resetting the target, programming flash, etc. +@cindex init @item @b{telnet_port} <@var{number}> @cindex telnet_port Port on which to listen for incoming telnet connections @@ -669,6 +681,40 @@ stellaris flash plugin only require the @var{target#}. @b{flash bank stm32x} <@var{base}> <@var{size}> 0 0 <@var{target#}> stm32x flash plugin only require the @var{target#}. +@node Target library +@chapter Target library +@cindex Target library + +OpenOCD comes with a target configuration script library. These scripts can be +used as-is or serve as a starting point. + +The target library is published together with the openocd executable and +the path to the target library is in the OpenOCD script search path. +Similarly there are example scripts for configuring the JTAG interface. + +The command line below uses the example parport configuration scripts +that ships with OpenOCD, then configures the str710.cfg target and +finally issues the init and reset command. The communication speed +is set to 10kHz for reset and 8MHz for post reset. + + +@smallexample +openocd -f interface/parport.cfg -c "jtag_khz 10 8000" -f target/str710.cfg -c "init" -c "reset" +@end smallexample + + +To list the target scripts available: + +@smallexample +$ ls /usr/local/lib/openocd/target + +arm7_fast.cfg lm3s6965.cfg pxa255.cfg stm32.cfg xba_revA3.cfg +at91eb40a.cfg lpc2148.cfg pxa255_sst.cfg str710.cfg zy1000.cfg +at91r40008.cfg lpc2294.cfg sam7s256.cfg str912.cfg +at91sam9260.cfg nslu2.cfg sam7x256.cfg wi-9c.cfg +@end smallexample + + @node Commands @chapter Commands @cindex commands |