10 Additional services

 

10.1.1 TIME?   »Request current time information«

ExpressLink modules must provide time information as available from SNTP, GPS or cellular network sources. Devices can choose to maintain a time reference internally even when disconnected or in sleep mode, depending on implementation specific software or hardware capabilities.

Returns:

10.1.1.1   OK {date YYYY/MM/DD} {time hh:mm:ss.xx} {source}

If time information is available and recently obtained, the module returns 'OK' followed by that information.

10.1.1.2   ERR15 TIME NOT AVAILABLE

A recent time fix could not be obtained.

10.1.2 WHERE?   »Request location information«

ExpressLink modules can optionally provide last location information as available from GPS, GNSS, cellular network or other triangulation method. A time stamp is provided to allow the host determine whether the information is current. The implementation of this command is optional.

Returns:

10.1.2.1   OK {date} {time} {lat} {long} {elev} {accuracy} {source}

If location coordinates could be obtained at date/time, the module returns 'OK' followed by the information.

10.1.2.2   ERR16 LOCATION NOT AVAILABLE

A location fix could not be obtained.