Re: msp430-gdbproxy loses connection with target

have you verified that the board is getting the voltage that you think it
should be?


On Mon, Sep 2, 2013 at 3:38 PM, Andrew McLaren <[email protected]> wrote:

> >
> > On Tue, Aug 27, 2013 at 10:40:45AM +1200, Andrew McLaren wrote:
> > > It would have been easy if the problem had been gdbproxy,
> > but no such
> > > luck. Now that mspdebug is running, I'm seeing exactly the same
> > > scenario here. The messages are a tad different, but I
> > think they are
> > > saying the same thing. Everything works fine until mspdebug
> > reports...
> > >
> > > fet: FET returned error code 18 (Could not determine device state)
> > > fet: polling failed
> > >
> > > Once again, eveything appears hung outboard of mspdebug until the
> > > target msp is repowered. If I simply try and restart
> > mspdebug without
> > > doing this, it will report;
> > >
> > > TI3410 device is in boot config, setting active
> > > ti3410: TI_OPEN_PORT failed: A device attached to the system is not
> > > functioning
> > > ti3410: failed to set up port
> >
> > This looks like some kind of hardware problem. Have you tried
> > different USB ports?
> >
> > Is the board powered externally, or does it draw power from the FET?
> >
> > Cheers,
> > Daniel
> >
>
> I've been having a bit of a play to try and isolate it, but haven't come up
> with anything conclusive (or really anthing at all).
>
> To answer your questions
> - the target board is powered by the FET
> - I've tried switching USB ports, but no change.
>
> I've also tried switching the target processor (another 439), but also no
> change. The only harware I haven't yet swapped out is the FET itself, but
> only have the single TI FET running. I do have an Olimex FET here, but
> having a few issues at present installing the drivers for that, so that is
> the next step.
>
> The ONLY thing I have found so far that resets the problem is repowering
> the
> target MSP, which leads me to think that is must be some context in that
> that is somehow being corrupted. I'd also like to try a different MSP
> variant, but none of the others I have here have the ROM space this needs
> (just thinking, I do have one of the TI experimeter boards around, and that
> has a fairly hefty MSP on it, so that could be worth a go).
>
> So I have a couple of things to try. I'll keep you posted.
>
> Andrew
>
>


-- 
Eric B. Decker
Senior (over 50 :-) Researcher

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