Chapter 3: AT Commands Reference
December 31, 2007 AT Commands Reference Manual 3-209
+TWUR, Wakeup Reason Request
This command is used to query the wakeup reason.
Multiple wakeup reasons can be returned in the <bitmask>. The reason(s) for wakeup will be
cleared once the AT+TWUR read command is issued, or if the G24 is powered off. The Wakeup
Out line will be set to high once the AT+TWUR read command is issued.
Operation of this command is flex dependant.
See “+TWUS, Wakeup Reason Set” on page 3-207 for <bitmask> values.
Note: The command will return the value 00 if issued when the Wakeup Out line is set to high.
Example
AT+TWUS=3F
OK
AT+TWUR?
+TWUR: 00
OK
Incoming call
the wakeup out line is set to LOW
AT+TWUR?
+TWUR: 04
OK
The wakeup out line is set to HIGH.
AT+TWUR?
+TWUR: 00
OK
Incoming Text SMS
AT+TWUR?
+TWUR: 0C
OK
The wakeup out line is set to HIGH.
+TASW, Antenna Switch
This command controls the antenna switch mechanism. It is intended for use in automotive
applications which include hardware support of two antennas; primary antenna for regular use,
and secondary antenna for emergency use.
This command allows selecting the active antenna, or querying the currently selected active
antenna. The setting will be persistent and maintained across power cycles.
Command Type Syntax Response/Action Remarks
Read
AT+TWUR? +TWUR:<bitmask>
OK
Query Wakeup reason.
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