[RFC] Unmanaged GPS setup / location source

David McCullough david.mccullough at accelecon.com
Sat Jun 28 05:02:19 PDT 2014

Aleksander Morgado wrote the following:
> Hey,
> I've been asked whether it would make sense to allow having
> ModemManager control the status of the GPS module in a device, *but*
> leaving the tty where the NMEA traces are dumped untouched. This would
> allow to integrate with other standard GPS applications which read
> from a tty, while leaving MM the control over when to enable/disable
> the GPS module.
> Any comments on this?
> I have a draft implementation (mmcli commands not yet done) already in
> the 'aleksander/gps-unmanaged' branch in upstream git, where I just
> define a new MM_MODEM_LOCATION_SOURCE_GPS_UNMANAGED source. When this
> source is enabled, GPS module is started but the GPS tty is not used.
> Of course, the implementation also forbids trying to enable unmanaged
> and raw/nmea GPS at the same time. Also, currently only done for
> Option/HSO (the only plugin which does GPS over a tty for now). I may
> add GPS support for Cinterion one of these days as well.

I have recently completed Huawei support and have been meaning to send
in a patch.  I get on to it before things start changing too much :-)


David McCullough,  david.mccullough at accelecon.com,   Ph: 0410 560 763

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