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Using Debug brick


sietse
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Hello list,

 

I try to use the jtag interface of the debug brick with a Olimex ARM-USB-OCD-H interface and openocd, but the dc brick is not recognized.

Openocd gives:

    ......

Error: JTAG scan chain interrogation failed: all ones

Error: Check JTAG interface, timings, target power, etc.

Error: Trying to use configured scan chain anyway...

Error: sam3.cpu: IR capture error; saw 0x0f not 0x01

    ......

 

Is there anything wrong? Has anyone used the jtag interface?

  Regards,

      Sietse

 

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  • 1 month later...

  Hello List,

 

I did remove the DISABLE_JTAG_ON_STARTUP, but the problem remains the same.

Using a master brick instead of the DC brick DOES work however.

So, what else could be the problem, apart from hardware?

The DC brick works OK for the rest.

  Thanks in advance,

    Sietse

 

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