AirPrime WP8548 / WP75xx / WP76xx / WP77xx AT Command Reference
192
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4118047
!GPSCLRASSIST
Clear specific GPS assistance data
Clear one or more types of assistance data from the modem. This forces a cold start for
GPS acquisition the next time a session starts.
This command is equivalent to
!GPSCOLDSTART
when all four parameters are set to
‘1’.
Requirements:
•
Device must not have an active GPS session (the GPS receiver is off and no
position fix is being calculated).
Password required:
Yes (see
for details)
Usage:
•
Execution:
AT!GPSCLRASSIST=<eph>, <alm>, <pos>, <time>, <iono>
Response:
OK
or
Command ignored
OK
Purpose:
Clear each assistance data type that is flagged as ‘1’.
•
Query List:
AT!GPSCLRASSIST=?
Purpose:
Return the expected command format and supported values.
Parameters:
<eph> (Ephemeris assistance data)
•
0=Ignore (Do not clear the ephemeris assistance data)
•
1=Clear this assistance data type—Clears GPS, GLONASS, and SBAS
ephemeris assistance data.
<alm> (Almanac assistance data)
•
0=Ignore (Do not clear the almanac assistance data)
•
1=Clear this assistance data type—Clears GPS, GLONASS, and SBAS almanac
assistance data.
<pos> (Position assistance data)
•
0=Ignore (Do not clear the position assistance data)
•
1=Clear this assistance data type
<time> (Time reference)
•
0=Ignore (Do not clear the time reference)
•
1=Clear the time reference
<iono> (Ionosphere assistance data)
•
0=Ignore (Do not clear the ionosphere assistance data)
•
1=Clear this assistance data type
Table 8-2: GPS Command Details (Continued)
Command
Description
