Segger J-Link - Getting Started with J-Link and ARM DS-5

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4.8 Getting started with J-Link and ARM DS-5

J-Link supports ARM DS-5 Development via the RDDI protocol.

For commercially using J-Link via RDDI in ARM DS-5, an RDI/RDDI license is

required. J-Link models which come with an RDI license, can also be used via RDDI.

RDDI can be evaluated free of charge.

In order to use J-Link in ARM DS-5 Development Studio, the RDDI DLL in DS-5 needs

to be replaced by the SEGGER version of this DLL. The SEGGER version of the RDDI

still allows using ARM’s DSTREAM in DS-5. After installing the J-Link software and

documentation package, the J-Link DLL Updater is started which allows easily updat-

ing the RDDI DLL in DS-5. An backup of the original DLL is made automatically.

4.8.1 Replacing the RDDI DLL manually

If J-Link DLL Updater is unable to find a DS-5 installation and does not list it for

updating, the RDDI DLL can always be replaced manually. For more information

about how to manually update the RDDI DLL, please refer to

$JLINK_INST_DIR$\RDDI\ManualInstallation.txt.

4.8.2 Using J-Link in DS-5 Development Studio

Please follow the following steps, in order to use J-Link in DS-5, after replacing the

RDDI DLL accordingly:

• Connect J-Link and target.

• Open ARM DS-5.

• Open DS-5 Project for target.

•Open Debug Configurations...

• Select DS-5 Debugger on the left side.

•Press New button.

• In the Connection tab, select The target from the device database, Bare Metal

Debug, Debug via DSTREAM/RVI.

•Click on the Browse... button right to the Text box at the bottom Connection.

• In the Dialog select the J-Link which is connected to the target (e.g.

JLinkUSB:174200001).

•Click OK.

• Add the device name to the connection string (e.g. JLinkUSB:174200001:Device

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