21
3.2
J-Link software and documentation in
detail
The J-Link software documentation can be downloaded from www.segger.com/
download_jlink_cf.html .
3.2.1
J-Link Commander (Command line tool)
J-Link Commander ( JLinkCF.exe ) is a tool that can be used for verifying proper
installation of the USB driver and to verify the connection to the ColdFire ? chip, as
well as for simple analysis of the target system. It permits some simple commands,
such as memory dump, halt, step and go, as well as some more in-depths analysis of
the state of the ColdFire ? core.
3.3
Additional software packages in detail
The packages described in this section are not available for download. If you wish to
use one of them, contact SEGGER Microcontroller System directly.
3.3.1
J-Link Software Developer Kit (SDK)
The J-Link Software Developer Kit is needed if you want to write your own program
with J-Link. The J-Link DLL is a standard Windows DLL typically used from C pro-
grams (Visual Basic or Delphi projects are also possible). It makes the entire func-
tionality of J-Link available through its exported functions, such as halting/stepping
the ColdFire ? core, reading/writing CPU and BDM registers and reading/writing mem-
ory. Therefore it can be used in any kind of application accessing a ColdFire ? core.
The standard DLL does not have API functions for flash programming. However, the
functionality offered can be used for programming the flash. In this case, a flash
loader is required. The table below lists some of the included files and their respec-
tive purpose.
Files
GLOBAL.h
JLinkCFDLL.h
JLinkCFDLL.lib
JLinkCF.dll
Main.c
JLinkCF.dsp
JLinkCF.dsw
JLinkCFDLL.pdf
Table 3.3: J-Link SDK
Contents
Header files that must be included to use the DLL functions.
These files contain the defines, typedef names, and function dec-
larations.
A Library that contains the exports of the JLinkCF.dll .
The DLL itself.
A example application, which calls some JLinkCF.dll functions.
Project files of the example application. Double-click
JLinkCF.dsw to open the project.
Extensive documentation (API, example projects etc.).
J-Link ColdFire BDM 26 (UM08009)
? 2004-2009 SEGGER Microcontroller GmbH & Co. KG
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