Introducing ogpsd

Raphaël Jacquot sxpert at
Sun Jul 27 16:53:15 CEST 2008

Daniel Willmann wrote:
> Hello,
> I'd like to point your attention today to a project I've been working
> on for some time now. ogpsd is the part responsible for managing GPS
> functionality in the fso framework.
> It aims as being compatible with the gypsy dbus API and provides its
> own interfaces for functionality beyond that. There is some
> incomplete code for nmea parsing. Support for the ublox chip on the
> GTA02 is almost complete (actually any ubx chip, I've been testing with
> a Navilock BT-451 connected via USB).
> There is some stuff missing from the gypsy API, most importantly the
> Control interface. You can, however, already listen for the dbus
> signals.
> I am working on the missing functionality so that normal gypsy
> applications will just work. This will hopefully be done by the
> beginning of this week.
> Zhone is already using the functionality in ogpsd so to try it out just
> install a recent fso-image.
> On my todo list are
> * Implementing the remaining gypsy dbus API
> * saving and restoring almanac and ephemeris data to improve TTFF after
>   power off
> * Adding gypsy support to tangogps
> * Make the initial device configuration configurable in frameworkd.conf
>   (i.e. dynamics model - automotive/pedestrian, enable SBAS, enable
>   almanach navigation, changing acquisition mode)
> * Expose some configuration via dbus, for example fixNow capability
>   (power save mode), the dynamics model
> * Support GTA01, improve NMEA parsing
> If someone wants to beat me to any of the points, support is welcome.
> I'd especially like to see GTA01 supported rather sooner than later.
> I've sketched out the steps for GTA01 support in
> If anyone wants to take a shot at that, I'd be glad to help.
> Regards,
> Daniel Willmann

would merging all of this in make any sense ?

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