[maemo-developers] [maemo-developers] GPS APIs in OS2007

[From: Dave Smith]

On 28/01/07, Murray Cumming <murrayc at murrayc.com> wrote:
>
> On Thu, 2007-01-11 at 12:06 +0200, Jukka.Rissanen at nokia.com wrote:
> > Hi,
> >
> > there exists various APIs for GPS location data in OS2007. These APIs
> > should be used by applications instead of connecting directly to BT
> > GPS device. The APIs enable multiple applications to receive
> > positioning data simultaneously i.e., one application cannot steal the
> > GPS device to itself.
> >
> > As an example of the API usage, I created wiki page at
> > http://maemo.org/maemowiki/HowToUseGPSFrameworkInOS2007. The wiki page
> > describes geotagging application that uses the GPS APIs in OS2007.
> >
> > The geotagging tool consists of three parts and they can be found in
> > maemo garage at
> > https://garage.maemo.org/projects/gps-saver/
> > https://garage.maemo.org/projects/gps-starter/
> > https://garage.maemo.org/projects/gtag/
>
> Excellent.
>
> How much of this is open source?
>
> And does it use any existing open standards? For instance, is the
> bluetooth GPS data communicated via some standard protocol/format so
> that it can be expected to work with non-Nokia GPS devices?
>
> --
> Murray Cumming
> murrayc at murrayc.com
> www.murrayc.com
> www.openismus.com


As far as I can see, it is just an organised way to spawn gpsd  (
http://gpsd.berlios.de/) , and connect it to a bluetooth GPS receiver over
rfcomm.  gpsd then gives you a socket interface with a normalised ASCII
string of position  info, or you can get the NMEA stream and decode it
yourself.

Regards,
Dave
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