@end example
@end deffn
-@deffn {Command} {usb_blaster_lowlevel_driver} (@option{ftdi}|@option{ftd2xx}|@option{ublast2})
+@deffn {Command} {usb_blaster_lowlevel_driver} (@option{ftdi}|@option{ublast2})
Chooses the low level access method for the adapter. If not specified,
@option{ftdi} is selected unless it wasn't enabled during the
configure stage. USB-Blaster II needs @option{ublast2}.
@deffn {Command} {jlink config write}
Write the current configuration to the internal persistent storage.
@end deffn
+@deffn {Command} {jlink emucom write <channel> <data>}
+Write data to an EMUCOM channel. The data needs to be encoded as hexadecimal
+pairs.
+
+The following example shows how to write the three bytes 0xaa, 0x0b and 0x23 to
+the EMUCOM channel 0x10:
+@example
+> jlink emucom write 0x10 aa0b23
+@end example
+@end deffn
+@deffn {Command} {jlink emucom read <channel> <length>}
+Read data from an EMUCOM channel. The read data is encoded as hexadecimal
+pairs.
+
+The following example shows how to read 4 bytes from the EMUCOM channel 0x0:
+@example
+> jlink emucom read 0x0 4
+77a90000
+@end example
+@end deffn
@deffn {Config} {jlink usb} <@option{0} to @option{3}>
Set the USB address of the interface, in case more than one adapter is connected
to the host. If not specified, USB addresses are not considered. Device
@end deffn
+@deffn {Interface Driver} {openjtag}
+OpenJTAG compatible USB adapter.
+This defines some driver-specific commands:
+
+@deffn {Config Command} {openjtag_variant} variant
+Specifies the variant of the OpenJTAG adapter (see @uref{http://www.openjtag.org/}).
+Currently valid @var{variant} values include:
+
+@itemize @minus
+@item @b{standard} Standard variant (default).
+@item @b{cy7c65215} Cypress CY7C65215 Dual Channel USB-Serial Bridge Controller
+(see @uref{http://www.cypress.com/?rID=82870}).
+@end itemize
+@end deffn
+
+@deffn {Config Command} {openjtag_device_desc} string
+The USB device description string of the adapter.
+This value is only used with the standard variant.
+@end deffn
+@end deffn
+
@section Transport Configuration
@cindex Transport
As noted earlier, depending on the version of OpenOCD you use,
@anchor{rtostype}
@item @code{-rtos} @var{rtos_type} -- enable rtos support for target,
@var{rtos_type} can be one of @option{auto}|@option{eCos}|@option{ThreadX}|
-@option{FreeRTOS}|@option{linux}|@option{ChibiOS}|@option{embKernel}|@option{mqx}
+@option{FreeRTOS}|@option{linux}|@option{ChibiOS}|@option{embKernel}|@option{mqx}|
+@option{uCOS-III}
@xref{gdbrtossupport,,RTOS Support}.
+@item @code{-defer-examine} -- skip target examination at initial JTAG chain
+scan and after a reset. A manual call to arp_examine is required to
+access the target for debugging.
+
+@item @code{-ap-num} @var{ap_number} -- set DAP access port for target,
+@var{ap_number} is the numeric index of the DAP AP the target is connected to.
+Use this option with systems where multiple, independent cores are connected
+to separate access ports of the same DAP.
@end itemize
@end deffn
The commands supported by OpenOCD target objects are:
-@deffn Command {$target_name arp_examine}
+@deffn Command {$target_name arp_examine} @option{allow-defer}
@deffnx Command {$target_name arp_halt}
@deffnx Command {$target_name arp_poll}
@deffnx Command {$target_name arp_reset}
This will first attempt a comparison using a CRC checksum, if this fails it will try a binary compare.
@end deffn
+@deffn Command {verify_image_checksum} filename address [@option{bin}|@option{ihex}|@option{elf}]
+Verify @var{filename} against target memory starting at @var{address}.
+The file format may optionally be specified
+(@option{bin}, @option{ihex}, or @option{elf})
+This perform a comparison using a CRC checksum only
+@end deffn
+
@section Breakpoint and Watchpoint commands
@cindex breakpoint
Supervisor Call vector by OpenOCD.
@end deffn
+@deffn Command {arm semihosting_fileio} [@option{enable}|@option{disable}]
+@cindex ARM semihosting
+Display status of semihosting fileio, after optionally changing that
+status.
+
+Enabling this option forwards semihosting I/O to GDB process using the
+File-I/O remote protocol extension. This is especially useful for
+interacting with remote files or displaying console messages in the
+debugger.
+@end deffn
+
@section ARMv4 and ARMv5 Architecture
@cindex ARMv4
@cindex ARMv5
@anchor{gdbrtossupport}
OpenOCD includes RTOS support, this will however need enabling as it defaults to disabled.
-It can be enabled by passing @option{-rtos} arg to the target @xref{rtostype,,RTOS Type}.
+It can be enabled by passing @option{-rtos} arg to the target. @xref{rtostype,,RTOS Type}.
+
+@xref{Threads, Debugging Programs with Multiple Threads,
+Debugging Programs with Multiple Threads, gdb, GDB manual}, for details about relevant
+GDB commands.
@* An example setup is below:
@item @option{ChibiOS}
@item @option{embKernel}
@item @option{mqx}
+@item @option{uCOS-III}
@end itemize
@quotation Note
Rtos::sListSuspended, Rtos::sMaxPriorities, Rtos::sCurrentTaskCount.
@item mqx symbols
_mqx_kernel_data, MQX_init_struct.
+@item uC/OS-III symbols
+OSRunning, OSTCBCurPtr, OSTaskDbgListPtr, OSTaskQty
@end table
For most RTOS supported the above symbols will be exported by default. However for
-some, eg. FreeRTOS, extra steps must be taken.
+some, eg. FreeRTOS and uC/OS-III, extra steps must be taken.
These RTOSes may require additional OpenOCD-specific file to be linked
along with the project:
@table @code
@item FreeRTOS
contrib/rtos-helpers/FreeRTOS-openocd.c
+@item uC/OS-III
+contrib/rtos-helpers/uCOS-III-openocd.c
@end table
@node Tcl Scripting API
Code Review / openocd.git / blobdiff