Справочник Пользователя для Huawei MC509

HUAWEI MC509 CDMA LGA Module
AT Command Interface Specification

GPS Commands

Issue 01 (2011-08-26)

Huawei Proprietary and Confidential

136

14.2 ^WPDST–Command for Setting Session Type

14.2.1 Syntax

Command

Possible Response(s)

^WPDST=<type>

Error:

<CR><LF>+CME ERROR: <err><CR><LF>

^WPDST?

<CR><LF>^WPDST: <type><CR><LF>

^WPDST=?

<CR><LF>^WPDST: (list of supported <type>s)
<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

Operation not supported

281

Invalid parameter

283

PD session is ongoing

285

Too many parameters