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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.
59
Remote Wake-up Configuration
The power consumption of the host increases if it is frequently woken up. The host
can configure the module's wake-up sources using ^WAKEUPCFG and ^CURC
command so as to reduce the power consumption.
The ^WAKEUPCFG command can be used to choose wake-up sources and the
wake-up channel (USB or WAKEUP_OUT). The ^CURC command can choose
unsolicited messages. For more details, refer to AT Command Interface Specification.
8.4 Application Scenarios: System with USB Connection
only
A host running Android, with support for USB suspend, USB remote resume, voice
calling, and text messages.
8.4.1 Hardware Connection
The host connects to the module using USB.
8.4.2 Software Procedure
Command
Description
AT^WAKEUPCFG=?
Query the parameter range of
WAKEUPCFG.
^WAKEUPCFG: (0-1),(0-3),(0-15)
OK
AT^WAKEUPCFG=1,2,15
Configure the module to make sure
that incoming calls, text messages,
data, and unsolicited messages can
remotely wake up the host using
USB.
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 any
of the following occurs: The SIM
card state changes such as the SIM
card is removed (^SIMST); the
number of text messages exceeds
the limit (^SMMEMFULL). Other
unsolicited messages are saved in