first stab at Aeris A300CS support

[Dirk Hohndel]

On Fri, Sep 26, 2014 at 08:37:19AM -0700, Dirk Hohndel wrote:
> On Fri, Sep 26, 2014 at 09:52:05AM +0200, Jef Driesen wrote:
> > 
> >  * You used global variables for the cache and its bitmap. That's simply not
> > acceptable. Please move this into the device handle. (I suggest you use the
> > name "bitmap" instead of "tracker". In the ostc backend we already used
> > "bitmap" for the exact same purpose.) And then you can pre-allocate
> > everything in the open function.
> > 
> >  * Remove the read_big_pages from the layout. The layout is intended for the
> > logic in the shared oceanic_common_device_xxx functions. But didn't change
> > anything there. You actually introduced a bug in the vtpro and veo250
> > backends, because their layouts were not updated with the new field. So
> > instead add some "bigpage" field directly to the device handle.
> 
> Just to make sure I understand you correctly. You want me to add this to
> dc_device_t directly? That seems a fairly generic structure to me, I'm
> surprised you want such device specific data in there.
> 
> Or is there some more libdivecomputer magic that I'm missing where you can
> add extra data to that? I just want to avoid more round trips with thow
> away code.

Responding to myself here... should have done more reading before asking
:-)

I'm pretty sure you want this in oceanic_atom2_device_t :-)

/D