On Feb 28, 2014, at 14:12 , Joerg Wunsch <[email protected]> wrote:
> As Rick Mann wrote: > >> Ah, I thought, based on your description, the perhaps debugging >> could be accomplished via USB. > > I think that's the way CMSIS-DAP is intended for ARM devices. ARM > markets it as an IP block that can be integrated into an ARM design. > > In this case, however, it's implemented in the EDBG chip (a custom UC3 > AVR32 microcontroller tailored for the purpose) which is part of the > Atmel-ICE or Xplained Pro Evaluation board. (The UC3 on the JTAGICE3 > serves the same purpose.) I see, and that UC3 then communicates with the XMEGA via PDI or JTAG? Seems like it should be possible to create the necessary CMSIS-DAP endpoints in the XMEGA (with USB support) and debug it internally (although, I'm not sure if the CPU has access to the PDI registers). In any case, I won't be putting a separate AVR32 on my design :-) -- Rick
signature.asc
Description: Message signed with OpenPGP using GPGMail
_______________________________________________ avrdude-dev mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/avrdude-dev
