2 gps reset - $gpsr, 3 gps device type set - $gpsd – Rainbow Electronics GM862-QUAD-PY User Manual

Page 419

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AT Commands Reference Guide

80000ST10025a Rev. 5 - 09/07/08

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved

page 419 of 434

$GPSP - GPS Controller Power Management

SELINT 0 / 1 / 2

Note: the current setting is stored through $GPSSAV

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

3.5.7.11.2 GPS Reset - $GPSR

$GPSR - GPS Reset

SELINT 0 / 1 / 2

AT$GPSR=
<reset_type>


Execution command allows to reset the GPS controller.

Parameter:
<reset_type>
0 - Hardware reset: the GPS receiver is reset and restarts by using the

values stored in the internal memory of the GPS receiver.

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. It is available in controlled mode only.

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. It is available in controlled mode
only.

3 - Hotstart (with stored Almanac and Ephemeris): the GPS receiver

restarts by using the values stored in the internal memory of the GPS
receiver; validated ephemeris and almanac. It is available in controlled
mode only.

AT$GPSR=?

Test command reports the range of supported values for parameter
<reset_type>

Example

AT$GPSR=0

OK

3.5.7.11.3 GPS Device Type Set - $GPSD

$GPSD - GPS Device Type Set

SELINT 0 / 1 / 2

AT$GPSD=
<device_type>

Set command defines which GPS device is connected to the module. It
dedicates the Serial port #1 of the module (TRACE) to receive the GPS
strings from the GPS module.

Parameter:
<device type>

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