WCDMA Module
UC20 GNSS AT Commands Manual
UC20_GNSS_AT_Commands_Manual Confidential / Released 18 / 25
Parameter
2.9. AT+QGPSXTRADATA Inject gpsOneXTRA Data Manually
This command can be used to inject gpsOneXTRA data to GNSS engine. Before using it, you must turn
off the GNSS engine and enable XTRA by AT+QGPSXTRA. Meanwhile, before injecting gpsOneXTRA
data, gpsOneXTRA time must be injected first by AT+QGPSXTRATIME.
Before operating AT+QGPSXTRADATA
command, you should store the valid gpsOneXTRA data into
RAM or UFS of the mudule(it is recommended to save it to RAM). After operating this command
successfully, gpsOneXTRA data can be deleted. At this moment, you can query the validity of
gpsOneXTRA data by AT+QGPSXTRADATA?.
AT+QGPSXTRADATA Inject gpsOneXTRA Data Manually
Test Command
AT+QGPSXTRADATA=?
Response
+QGPSXTRADATA: <xtradatafilename>
Inject XTRA time manually
AT+QGPSXTRATIME=<op>,<xtratime
>[,<utc>[,<force>,<uncrtn>]]
Response
OK
or
+CME ERROR: <errcode>
Reference
<op>
Operation type.
0 inject gpsOneXTRA time.
<xtratime>
Current UTC/GPS time, the format of time: YYYY/MM/DD, hh:mm:ss,
e.g.2013/02/10,15:34:50.
<utc>
The type of time.
0 GPS time.
1 UTC time.
<force>
Force or allow GPS subsystem to accept the time entered.
0 Allow acceptances.
1 Force acceptances.
<uncrtn>
Uncertainty of time. Unit: ms, default value: 3500ms. It indicates the time
difference between sending a request to the SNTP server and receiving a
response from the SNTP server. If the set time is less than 3.5s, it will be counted
as 3.5s.
<errcode>
Integer type, indicate the error code of the operation. If it is not 0, it is the type of
error (Please refer to the chapter
X
5
X
).
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