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Forum: ARM programming with GCC/GNU tools Which JTAG can I use with Yagato


Author: Chaitannya Mahatme (chaitannya)
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Dear all,

I had purchased a kit from IAR -> IAR kickstart kit for AT91sam7x256. I
also got a JTAG along with that. I wanted to ask it this JTAG is
supported by the Yagarto tool chain.

Author: Martin Thomas (mthomas) (Moderator)
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Chaitannya Mahatme wrote:
> Dear all,
>
> I had purchased a kit from IAR -> IAR kickstart kit for AT91sam7x256. I
> also got a JTAG along with that. I wanted to ask it this JTAG is
> supported by the Yagarto tool chain.

The component in the "Yagarto tool chain" that comunicates with the
JTAG-interface/cable is OpenOCD so you have to check if OpenOCD supports
the interface. IAR usually sells Segger JLINK OEM devices and there is
some support for them in OpenOCD but please check the OpenOCD developer
mailing-list, recently there have been some discussion on problems with
these devices, different hardware-versions and OpenOCD.

Segger also provides an own GDB-server which can be used with
arm-elf-gdb as in Yagarto, have not tested this myself but you might
give it a try if you have issues with OpenOCD that can not be solved
easily.

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