Messages in this thread | | | Date | Mon, 26 Mar 2018 15:59:20 +0200 | From | Pavel Machek <> | Subject | Re: [Letux-kernel] [PATCH v5 3/5] misc serdev: Add w2sg0004 (gps receiver) power control driver |
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Hi!
> > No, we need some kind of at least rudimentary gps framework even if we > > allow for a raw (NMEA) interface for the time being (possibly > > indefinitely). > > Ok, that would be fine if we can get that! > > For a minimal set of API I think something like this (following hci_dev) would suffice: > > struct gps_dev { > ... > int (*open)(struct gps_dev *gdev); > int (*close)(struct gps_dev *gdev); > int (*send)(struct gps_dev *gdev, char *data, int length); > }; > > int gps_register_dev(struct gps_dev *gdev); > void gps_unregister_dev(struct gps_dev *gdev); > int gps_recv_nmea_chars(struct gps_dev *gdev, char *data, int length); > > If that would wrap all creation of some /dev/ttyGPS0 (or however it is called), > it would fit our needs for a driver and user-space for our system. > > And I would be happy to get rid of creating and registering a /dev/ttyGPS0 > in the w2sg0004 driver.
Sounds like a good start.
Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html [unhandled content-type:application/pgp-signature] | |