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HUAWEI MC509 CDMA LGA Module
AT Command Interface Specification
GPS Commands
Issue 01 (2011-08-26)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
136
14.2 ^WPDST–Command for Setting Session Type
14.2.1 Syntax
Command
Possible Response(s)
^WPDST=<type>
<CR><LF>OK<CR><LF>
Error:
<CR><LF>+CME ERROR: <err><CR><LF>
^WPDST?
<CR><LF>^WPDST: <type><CR><LF>
<CR><LF>OK<CR><LF>
^WPDST=?
<CR><LF>^WPDST: (list of supported <type>s)
<CR><LF>
<CR><LF>OK<CR><LF>
14.2.2 Interface Description
This command is used to set the position session type. READ command queries
current session type. TEST command returns supported session type. SET
command can only be used before position session beginning or after end, can‟t be
used during positioning, or will be error.
14.2.3 Parameter Description
<type>: session type, default value is 0, no storing at power down
0: single-shot fix, this provides the ability to obtain a one-shot position location
according to user-specified QoS. The QoS is set by command ^WPQOS.
1: tracking fix, this provides the ability to request continuous position fixes and
obtain fixes at the user-specified rate. The rate is set by command ^WPDFR.
2: last result, this provide the last position information available at the time of
request, no fix action.
3: Data download, this allow the MS to download ephemeris/almanac data and
coarse position a-priori. The data can be used by the PD module to obtain future
fixes with a minimal TTF.（Only available in CDMA, not support in UMTS）
<err>: error description or error code
Error code
Error description
4
Operation not supported
281
Invalid parameter
283
PD session is ongoing
285
Too many parameters