[ell-i-developers] Re: Hard fault handler
- From: jigsaw <jigsaw@xxxxxxxxx>
- To: ell-i-developers@xxxxxxxxxxxxx
- Date: Wed, 14 May 2014 10:22:50 +0300
Hi Pekka,
Yes the gdb remote protocol is the best option. Either over serial or over
SWD is fine for me, though I know few about SWD.
But I don't get why we need a Blackmagic. All we need are a serial cable
and whatever gdb frontend, right?
thx &
rgds,
-qinglai
On Wed, May 14, 2014 at 10:05 AM, Pekka Nikander <pekka.nikander@xxxxxx>wrote:
> > I wonder if a hard fault handler would be handy for debugging. When
> exception happens, a remote gdb-alike-debugger could be activated through
> serial connection. This can be an optional module in runtime, the decision
> of bringing in the exception handler can be made at compile time.
>
> I think this is a great idea.
>
> Perhaps the GDB remote protocol could be used directly?
>
>
> https://sourceware.org/gdb/current/onlinedocs/gdb/Remote-Protocol.html#Remote-Protocol
>
> Alternatively, maybe the SWD protocol could be used, as it has good
> support at the MCUs, and then convert that to to the gdb remote protocol.
>
> The following might be useful?
>
> http://gdb-jtag-arm.sourceforge.net
>
> http://sourceforge.net/apps/mediawiki/blackmagicdebug/index.php?title=Main_Page
>
> The ArduElli board, in development, is planned to be compatible with the
> black magic probe.
> See https://github.com/Ell-i/ELL-i-Eagle-Boards/tree/master/Arduelli
>
> Perhaps we should try to order one Blackmagic proble before the hackathon
> to be able to prototype with that? I can order one. Should we have more?
>
> --Pekka
>
>
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