AT Commands Reference Guide
80529ST10815A Rev.2– 2017-09-14
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GPS AT Commands Set
GPS Power Management - $GPSP
$GPSP – GPS Power Management
AT$GPSP=
<status>
Set command allows to manage power-up or down of the GPS controller.
Parameter:
<status>
0 - GPS controller is powered down (default)
1 - GPS controller is powered up
AT$GPSP?
Read command reports the current value of the <status> parameter, in the format:
$GPSP: <status>
AT$GPSP=?
Test command reports the range of supported values for parameter <status>
Example
AT$GPSP=0
OK
Note
-
Power up clears GPS memory and then starts the GPS receiver. GPS data
cleaning is performed on the base of the current value of the <reset_type>
parameter (see $GPSR)
.
-
GPS operation mode is performed on the base of the current values of
$GPSSLSR configuration (see $GPSSLSR).
- <status> value is stored through $GPSSAV
command.
GPS Module Reset - $GPSR
$GPSR – GPS module Reset
AT$GPSR=
<reset_type>
Execution command allows to reset the GPS controller.
Parameter:
<reset_type>
0 – Factory Reset: this option clears all GPS memory including clock drift (See
note).
1 - Coldstart (No Almanac, No Ephemeris): this option clears all data that is
currently stored in the internal memory of the GPS receiver including position,
almanac, ephemeris, and time. The stored clock drift however, is retained.
2 - Warmstart (No ephemeris): this option clears all initialization data in the GPS
receiver and subsequently reloads the data that is currently displayed in the
Receiver Initialization Setup screen. The almanac is retained but the ephemeris is
cleared.
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