22
3.4
3.4.1
CHAPTER 3
Using the J-LinkCF.dll
What is the JLinkCF.dll?
J-Link related software
The J-LinkCF.dll is a standard Windows DLL typically used from C or C++, but also
Visual Basic or Delphi projects. It makes the entire functionality of the J-Link avail-
able through the exported functions.
The functionality includes things such as halting/stepping the ColdFire ? core, read-
ing/writing CPU and BDM registers, and reading/writing memory. Therefore, it can be
used in any kind of application accessing a ColdFire ? core.
3.4.2
Updating the DLL in third-party programs
The JLinkCF.dll can be used by any debugger that is designed to work with it.
Some debuggers, like the IAR C-SPY ? debugger, are usually shipped with the
JLinkCF.dll already installed. Anyhow it may make sense to replace the included
DLL with the latest one available, to take advantage of improvements in the newer
version.
3.4.2.1 Updating the JLinkCF.dll in the IAR Embedded Workbench IDE
The IAR Embedded Workbench IDE is a high-performance integrated development
environment with an editor, compiler, linker, and debugger. The compiler generates
very efficient code and is widely used. The IAR Embedded Workbench comes with the
J-LinkCF.dll in the cf\bin subdirectory of the installation directory. To update this
DLL, you should backup your original DLL and then replace it with the new one.
Typically, the DLL is located in C:\Program Files\IAR Systems\Embedded Work-
bench 5.0\cf\bin .
After updating the DLL, it is recommended to verify that the new DLL is loaded as
described in Determining which DLL is used by a program on page 23.
3.4.3
Determining the version of JLinkCF.dll
To determine which version of the JLinkCF.dll you are facing, the DLL version can
be viewed by right-clicking the DLL in windows explorer, and choosing Properties
from the context menu. Click the Version tab to display information about the prod-
uct version.
J-Link ColdFire BDM 26 (UM08009)
? 2004-2009 SEGGER Microcontroller GmbH & Co. KG
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