Re: [newbie] 560 series

That's excellent news that you'll be able to spend some more time on it. :-)

Can I read into that, that the code for the 56x (with the uda1341)
will be pretty much the same as that for the 720? IOW, can I assume
that the 56x does indeed have the SA-1111 companion chip?

I would be very willing to help. I just need OE to fetch and patch
everything without a problem.

Would I use "0.8.4" as the version to get your latest code?

Michael.

On 13/07/06, Alex Lange <[email protected]> wrote:
> Hello,
>
> I will have some free time in two weeks and will then try to get the sound
> going.
> In fact, the uda1344 is already working and playback is just fine, but the L3
> serial bus, which controls the volume etc... is not yet working so we don't
> here much out of the speaker.
> If someone wants to help out you're very welcome.
>
> kind regards,
> Alex
>
> On Thursday 13 July 2006 14:30, Michael Kaye wrote:
> > > What kind of processor does the 560 have? If it is anything like the 710
> > > that I have, then the advice on
> > > http://www.lowlevel.cz/log/pivot/entry.php?id=41 might be useful. It
> > > recommends using madplay as it doesn't use the FPU, which keeps processor
> > > usage down. Even then, there isn't much you can do while listening to
> > > music.
> >
> > The 560 has the same processor as the 720. In fact, the spec is very
> > similar. The display controller is different, and runs at a different
> > resolution. But the rest is very similar, apart from the fact that the
> > sound uses the uda1341, rather than the uda1344.
> >
> > Alex Lange mentions that the "1341 != 1344" somewhere else on this
> > forum I think, which is the reason sound isn't ready on the 560
> > series. I'm not sure just how different they are. The 720 uses an
> > SA-1111 "companion chip" to interface with the uda1344; I have found
> > it difficult to confirm whether the 560 series has such a chip. If it
> > doesn't, that may be another reason that sound support is more
> > difficult.
> >
> > The H3600 IPAQ also seems to have remarkably similar hardware, down to
> > the uda1341. And, in fact, the H3600 doesn't have the companion chip.
> >
> > Anyway, that link you sent seems to have some good advice, and will
> > probably come in useful. :-)
> >
> > > Oggs tend to require a bit more processor (and therefor battery) power.
> > > This is certainly noticeable with my Samsung Yepp.
> >
> > I guess I'll just have to see how it goes. I'd really rather stick to
> > Oggs, both for patent reasons, and audio quality reasons. Maybe I'll
> > end up optimizing the Ogg decoder. ;-)
> >
> > > Good luck with getting sound to work.
> >
> > Thanks, I might need it. ;-)
> >
> > Michael.
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