Quectel EC25 tty layout and GPS

[Dan Williams]

On Mon, 2017-10-09 at 23:37 +0200, Aleksander Morgado wrote:
> Hey,
> 
> The Quectel EC25 exposes 4 TTYs and 1 QMI/wwan pair.
> 
> ttyUSB2 and ttyUSB3 are AT-capable ports; does anyone know what
> ttyUSB0 and ttyUSB1 are? E.g. is ttyUSB0 the GPS NMEA port?

For the UC15, UC20, EC20, EC21, and EC25:

ttyUSB0 = diag
ttyUSB1 = GPS NMEA

> Also, does anyone know which AT commands should be issued to
> start/stop the GPS engine in the module?

Not sure about this.

Dan