Hi! > > In the case of our GPS, it receives control over the serial connection from > > the UART, > > Ahem - does it? > > AFAIK the chip simply starts to emit NMEA records if powered on. There is no > command going over the serial interface to address it or control it. Well _most_ GPSes enable you to control them over the serial line. (Things like sampling rate, AGPS data upload, ...) > > I think the GPS is “primarily" a uart-attached device. > > But not in the same way as an I2C device. > > Especially the serial interface is not a bus and not used for signalling and > power control. It is payload data (only). Serial interface looks a lot like a (point-to-point) bus to me. Similar to SATA, for example. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
