Re: [AVaRICE-user] JTAG ICE: Cannot synchronise

[Philip M. <in...@bi...>]

Avrdude was running in JTAG mode, I tried it in PDI mode:

> avrdude -p x128a1 -cjtag2pdi -P usb -U 
> flash:w:\Projects\XMega\test\Debug\test.hex
> avrdude: jtagmkII_setparm(): bad response to set parameter command: 
> RSP_FAILED
>
> avrdude done.  Thank you.

Then I saw that my cabling was not correct and I tried this cabling:
http://www.avrfreaks.net/comment/715428#comment-715428

Still the same response, then I saw this:
http://www.avrfreaks.net/comment/716360#comment-716360
>
> I got PDI to work on the Xplained A1 Board by disabling the JTAGEN 
> fuse. PDI is apparently made to take priority over JTAG, however this 
> does not seem to be the case for whatever reason on the A1 Board.
>
> As of right now i can program and debug with JTAG with the Dragon, Use 
> PDI (When JTAGEN fuse is disabled) With AVRISP MII.
>
So, it looks like it's the setup of my board. I will stick to JTAG for 
the moment.
Thanks!




On 14.10.2014 16:00, Joerg Wunsch wrote:
> As Philip Mulrane wrote:
>
>> command[0x02, 1]: 02 03 06
>> recv: 0x1b
>> recv: 0x01
>> recv: 0x00
>> recv: 0x01
>> recv: 0x00
>> recv: 0x00
>> recv: 0x00
>> recv: 0x0e
>> sDATA: reading 1 bytes
>> read:  a0
>> recv: 0xcf
>> recv: 0xa2
>> CRC OK
>> Got message seqno 1 (command_sequence == 1)
>> response: A0
> That's trying to switch the emulator mode to PDI, which is
> responded by a very informative "failed" (0xa0). :(
>
> There's unfortunately not much AVaRICE can do here about it.
>
> You told that AVRDUDE can successfully talk to the chip through PDI,
> so this suggests the cabling were OK.  Can you verify the initial
> command sequence between AVRDUDE and AVaRICE?  I tried it here, and
> the initial sequence is mostly the same: right after the "sign on"
> command, it sets parameter 3 (emulator mode) to value 6 (PDI).


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