shearwater Perdix AI

[Jon Gross]

So it looks like getting a connection to bluetooth LE devices isn't present
in libdivecomputer - are there any current plans for this type of
functionality to be implemented?  It seems like a major addition, since
there essentially isn't a Serial Port Profile in LE.

On Wed, Nov 30, 2016 at 1:44 PM Jon Gross <jong at jongrossphotography.com>
wrote:

> Hey Janice,
>
> Yeah, I've been coming up to speed on the difference between bluetooth LE
> and 'classic' bluetooth and realizing that I've been asking the wrong
> questions.
>
> Thanks for confirming my suspicions.
>
>
>
> On Wed, Nov 30, 2016 at 1:42 PM Janice McLaughlin <janice at somemore.com>
> wrote:
>
> The Shearwater website says that the Perdix AI requires Bluetooth LE.
> There is no “pairing” per se in LE, it’s just communication and looking for
> specific CBUUID’s or unique numbers that a peripheral advertises that it
> does. There are no real “profiles” in LE either so there is no "serial port
> profile" so no serial port for libdivecomputer to use.
>
> Janice
>
> > On Nov 30, 2016, at 12:07 PM, Jon Gross <jong at jongrossphotography.com>
> wrote:
> >
> > One other note:
> >
> > The Perdix AI uses bluetooth LE (smart?), which apparently (I'm still
> coming up to speed on the  on bluetooth) requires the pairing to happen via
> the software, rather than pairing via the OS bluetooth controls as 'older'
> bluetooth does?
> >
> > I'm reading through the libdivecomputer sources, and I'm not seeing any
> reference to code that does this initial device communication, but I might
> not have found it yet.
> >
> > Is native bluetooth on OS X a thing in libdivecomputer, or does
> libdivecomputer still require a serial port?
> >
> > If it requires a serial port, then I think I'm stuck before I start,
> since I don't see a way to get the device paired and a serial port set up
> before trying to run the dctool downloads.
> >
> >
> >
> > -jon
> >
> > On Wed, Nov 30, 2016 at 9:00 AM Jon Gross <jong at jongrossphotography.com>
> wrote:
> >
> > I forgot to bring it to work with me this morning, but I'll give this a
> whirl when I get home, thank you.
> >
> > -jon
> >
> > On Wed, Nov 30, 2016 at 2:34 AM Jef Driesen <jef at libdivecomputer.org>
> wrote:
> > On 2016-11-30 08:25, Anton Lundin wrote:
> > > On 29 November, 2016 - Jon Gross wrote:
> > >
> > >> I have in my greedy little hands a Shearwater Perdix AI computer,
> > >> which
> > >> Shearwater says shares the same firmware with the Perdix and the
> > >> Petrel,
> > >> but it will have air consumption (if equipped with a sender).
> > >>
> > >> Is there anything I can send a developer that would help with support
> > >> or
> > >> this?  I didn't see it in the list of supported computers.
> > >>
> > >
> > > As far as I've read between the lines, there is a new protocol for
> > > downloading data containing the pressure sensor. The old sample format
> > > have no space left for any more data to be added to it.
> > >
> > > I guess that the new device still supports the older download protocols
> > > from the Predator and Petrel, so just try do select Petrel and
> > > download.
> > > You should get logs from your computer, but without data from the
> > > pressure sensor.
> >
> > Indeed, try first with the petrel protocol to see what we get there:
> >
> > dctool -v -l petrel.log -f petrel download -f raw -o dive.%n.bin
> > <serialport>
> >
> > This will dump the individual dives to disk and allow us to have a look
> > at the raw data.
> >
> > Jef
> > _______________________________________________
> > devel mailing list
> > devel at libdivecomputer.org
> > http://libdivecomputer.org/cgi-bin/mailman/listinfo/devel
>
>
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