On Tuesday 15 Mar 2016 21:48:56 Johan Ström wrote:
> On 15/03/16 20:08, Andy Carter wrote:

> > I assume the debian 3.1p1-2 should be close enough to the current/latest
> > release to prove something is wrong somewhere, otherwise I could make an
> > amateur attempt at building from source - but that may mean manually
> > replacing binaries in their debianised positions.
> 
> Between 2.8p15 (6df9cf6d15b7d2aa73edfcdb5a64b0e8df13eaad) and 2.9p8
> (ef28fa555bf5371c30f951cf8df3a25de9c67a98) there has been a lot of
> changes,

Indeed, I took a look with kDiff3 but so many that I quickly gave up!

> but none at all which are specific to the LCD interface (or at
> least of any importance, from what I can see).

Makes life that bit more difficult :)

> Since 3.1p1 there haven't been any changes which would fix this issue
> (yet), so trying current HEAD from git would not fix it.
> 
> One thing you could do is to try each version after 2.8p15
> (https://sourceforge.net/projects/owfs/files/owfs/), to identify in
> which version it broke. You should be able to build from source without
> have to overwrite binaries (just skip install and run from src dir).

That sounds a good plan. I hadn't realised all versions were so readily 
available.

I'll start on that tomorrow.

> > I suppose there could be an issue with the Pi host adapter but it works
> > with everything else and using 2.8p15 the LCD is fine. (I even tried
> > reducing i2c baudrate in case there was an issue there but no
> > improvement)

> If you *do* have another adapter, you could try. It would at least help
> pinpoint the error. But yes, if it worked with 2.8p15 it "should" work
> with later as well.

There don't seem to be many available non-Pi adapters, especially in the UK, 
other than USB/serial. I guess it would be best to try another i2c and 
possibly with a DS2482-800 too.


I'll run through the versions first then look for alternative hardware if that 
turns up nothing significant.

Many thanks

Andy

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