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HUAWEI ME909u-521 LTE LGA Module
Application Guide
Sleeping and Waking Up Application Scenarios
Issue 01 (2013-07-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
60
the cache when the host is in sleep
mode, and reported to the host
when it wakes up.
OK
8.4.3 Advantages
With software configuration, while the system requirements (calling and text
messages) are met, the number of times the host is woken up by unsolicited
messages, and consequently the power consumption, are reduced.
8.5 Application Scenarios: System with USB and
WAKEUP_OUT
A host running Android, with support for text messages, but not USB remote resume
or voice calling.
8.5.1 Hardware Connection
The host must connect to the module using USB and WAKEUP_OUT pins
8.5.2 Software Procedure
Command
Description
AT^WAKEUPCFG=?
Query the parameter range of
WAKEUPCFG.
^WAKEUPCFG: (0-1),(0-3),(0-15)
OK
AT^WAKEUPCFG=1,1,14
Configure the module to make sure
that text messages, data, and
unsolicited messages can remotely
wake up the host using the
WAKEUP_OUT pin.
OK
AT^CURC=?
Query the parameter range of CURC.
^CURC: (0-2)
OK
AT^CURC=2,820,1FFFFFFFFFFFFFFF
The host wakes up from sleep if
either of the following occurs: The
SIM card state changes, such as the
SIM card is removed (^SIMST); the